Dual-output gear box for space flight and aviation

Abstract

The utility model provides a dual-output gear box for aerospace, which relates to the technical field of gear boxes and comprises a gear box, an input shaft is rotatably mounted on one side of the gear box in a penetrating manner through a first main shaft bearing, and a low-speed gear is sleeved in the middle of a shaft body of the input shaft. A low-speed shaft and a high-speed shaft are rotationally installed between the two sides of the inner wall of the gearbox through a second main shaft bearing and a third main shaft bearing correspondingly. A worker controls the input shaft to rotate, so that the input shaft drives the low-speed gear to rotate around the first main shaft bearing, the low-speed shaft and the high-speed shaft rotate at the same time under the meshing action of the low-speed gear, the low-speed shaft and the high-speed shaft, and therefore single input and double output are achieved, and the high-speed shaft and the low-speed gear rotate at the same time under the meshing action of the high-speed shaft, the low-speed shaft and the low-speed gear. And the high-speed shaft and the low-speed shaft rotate stably, so that the transmission of high-speed and large-torque power can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear box technical field, specifically, relate to a double output gear box for aerospace. BACKGROUND

[0002] Gear box is an important component in mechanical transmission, is widely used in wind power generation, industrial machinery, transportation and construction engineering etc. It can transmit and convert power. Gear box is usually composed of box, gear, shaft, bearing etc., and has the characteristics of compact structure, high transmission efficiency, high reliability and low noise. The existing gear box is generally single input, single output, and cannot be used for high-speed, high-torque power transmission. SUMMARY

[0003] The main purpose of the utility model is to provide a double output gear box for aerospace, which can effectively solve the problem of single input, single output and inability to transmit high-speed, high-torque power in the background technology.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0005] A double output gear box for aerospace, comprising a gear box, the gear box is rotatably installed with an input shaft on one side through a first main shaft bearing, and a low-speed gear is sleeved on the middle part of the input shaft shaft body.

[0006] The low-speed shaft and the high-speed shaft are rotatably installed between the inner walls of the gear box through the second main shaft bearing and the third main shaft bearing respectively.

[0007] As a preferred, the low-speed shaft is engaged with the low-speed gear.

[0008] As a preferred, the high-speed shaft is engaged with the low-speed gear.

[0009] As a preferred, one end of the low-speed shaft extends to the outside of the gear box.

[0010] As a preferred, one end of the high-speed shaft extends to the outside of the gear box.

[0011] As a preferred, two mounting sleeves are fixedly installed on one side of the gear box through bolts.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The operator controls the input shaft to rotate, which drives the low-speed gear to rotate through the first main shaft bearing. Under the meshing action of the low-speed gear, the low-speed shaft, and the high-speed shaft, the low-speed shaft and the high-speed shaft rotate simultaneously, thereby achieving single input and double output. Under the meshing action of the high-speed shaft, the low-speed shaft, and the low-speed gear, the high-speed shaft and the low-speed shaft rotate stably, thus enabling the transmission of high-speed and high-torque power. Attached Figure Description

[0014] Fig. 1 This is a schematic diagram of the overall structure of a dual-output gearbox for aerospace applications according to this utility model;

[0015] Fig. 2 This is a front view schematic diagram of a dual-output gearbox for aerospace applications according to this utility model;

[0016] Fig. 3 This is a schematic diagram of the internal structure of a dual-output gearbox used in aerospace applications according to this utility model.

[0017] In the diagram: 1. Input shaft; 2. First spindle bearing; 3. Low-speed gear; 4. High-speed shaft; 5. Second spindle bearing; 6. Low-speed shaft; 7. Third spindle bearing; 8. Gearbox; 9. Mounting sleeve. Detailed Implementation

[0018] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0019] like Figs. 1-3 As shown, a dual-output gearbox for aerospace applications includes a gearbox 8, with an input shaft 1 rotatably mounted on one side of the gearbox 8 via a first main shaft bearing 2, and a low-speed gear 3 sleeved in the middle of the shaft of the input shaft 1.

[0020] The low-speed shaft 6 and the high-speed shaft 4 are rotatably mounted on both sides of the inner wall of the gearbox 8 via the second main shaft bearing 5 and the third main shaft bearing 7, respectively.

[0021] The low-speed shaft 6 meshes with the low-speed gear 3.

[0022] The high-speed shaft 4 meshes with the low-speed gear 3.

[0023] The operator controls the input shaft 1 to rotate, which drives the low-speed gear 3 to rotate via the first main shaft bearing 2. Under the meshing action of the low-speed gear 3 with the low-speed shaft 6 and the high-speed shaft 4, the low-speed shaft 6 and the high-speed shaft 4 rotate simultaneously, thereby realizing single input and dual output. Furthermore, under the meshing action of the high-speed shaft 4, the low-speed shaft 6 and the low-speed gear 3, the high-speed shaft 4 and the low-speed shaft 6 rotate stably, which can be used for the transmission of high-speed, high-torque power.

[0024] In another embodiment of this utility model, one end of the low-speed shaft 6 extends to the outside of the gearbox 8.

[0025] One end of the high-speed shaft 4 extends to the outside of the gearbox 8.

[0026] By extending one end of the low-speed shaft 6 and the high-speed shaft 4 to the outside of the gearbox 8, it is convenient for the staff to connect the corresponding rotating parts to the low-speed shaft 6 and the high-speed shaft 4.

[0027] In another embodiment of this utility model, two mounting sleeves 9 are fixedly installed on one side of the gearbox 8 by bolts.

[0028] The installation sleeve 9 facilitates the connection of the gearbox 8 to other devices.

[0029] The working principle of a dual-output gearbox used in aerospace:

[0030] In use, the operator controls the input shaft 1 to rotate, which drives the low-speed gear 3 to rotate via the first main shaft bearing 2. Under the meshing action of the low-speed gear 3 with the low-speed shaft 6 and the high-speed shaft 4, the low-speed shaft 6 and the high-speed shaft 4 rotate simultaneously, thereby achieving single input and dual output. Furthermore, under the meshing action of the high-speed shaft 4, the low-speed shaft 6 and the low-speed gear 3, the high-speed shaft 4 and the low-speed shaft 6 rotate stably, which can be used for the transmission of high-speed, high-torque power.

[0031] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.

Claims

1. A dual output gearbox for aerospace applications comprising a gearbox (8) characterised in that: The input shaft (1) is rotatably installed through the first main shaft bearing (2) on one side of the gear box (8), and the low speed gear (3) is sleeved in the middle of the shaft body of the input shaft (1); The low speed shaft (6) and the high speed shaft (4) are rotatably installed through the second main shaft bearing (5) and the third main shaft bearing (7) between the inner walls of the gear box (8) respectively.

2. A dual output gearbox for aerospace applications as claimed in claim 1, wherein: The low speed shaft (6) is engaged with the low speed gear (3).

3. A dual output gearbox for aerospace applications as claimed in claim 2, wherein: The high speed shaft (4) is engaged with the low speed gear (3).

4. A dual output gearbox for aerospace applications as claimed in claim 3, wherein: One end of the low speed shaft (6) extends to the outside of the gear box (8).

5. A dual output gearbox for aerospace applications as claimed in claim 4, wherein: One end of the high speed shaft (4) extends to the outside of the gear box (8).

6. A dual output gearbox for aerospace applications as claimed in claim 1, wherein: Two mounting sleeves (9) are fixedly installed on one side of the gear box (8) through bolts.

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