A multi-source input differential non-orthogonal extreme aerospace propulsion system

Abstract

This invention discloses a multi-source input differential non-orthogonal extreme aerospace transmission system, characterized by comprising: a differential non-orthogonal surface gear transmission system and a planetary gear transmission system; the input torque of the transmission system is provided by an input cylindrical gear, which simultaneously meshes with an upper end face gear and a lower end face gear. The upper end face gear is an externally meshing external conical gear, and the input cylindrical gear and the upper end face gear form an externally meshing non-orthogonal surface gear pair. The lower end face gear is an internally meshing internal conical gear, and the input cylindrical gear and the lower end face gear form an internally meshing non-orthogonal surface gear pair. The sum of the axial angles between the input cylindrical gear and the lower end face gear and the upper end face gear is 90°. The beneficial effects are ingenious design, high integration, compact structure, smooth transmission, adjustable speed, high efficiency and reliability, and very broad commercial prospects. It can fill relevant technological gaps and generate significant social and economic benefits.

Description

Technical Field

[0001] This invention relates to the field of mechanical transmission systems, and in particular to a multi-source input differential non-orthogonal extreme aerospace transmission system. Background Technology

[0002] The continuous development of industrial systems has placed higher demands on the performance of mechanical power systems. As a crucial core component of power systems, the mechanical transmission system's operating status, power transmission stability, and load-bearing capacity directly affect the working condition of mechanical devices. Therefore, the transmission system must possess excellent transmission performance within a compact space and with high load-bearing capacity. Simultaneously, to compensate for the low stability caused by a single power source input, it must meet the requirements of multiple inputs.

[0003] To address the aforementioned issues, this invention proposes a multi-source input differential non-orthogonal extreme aerospace transmission system. This transmission system creatively proposes multi-source differential non-orthogonal extreme transmission technology, and invents an extreme transmission system with multiple inputs, non-orthogonality, adjustable speed, and high power density. It fills a gap in related international technologies, promotes the development of engineering technology in the field of extreme transmission, and has significant social and economic benefits. Summary of the Invention

[0004] In order to overcome the shortcomings of existing technologies and fill the gaps in related technologies, this invention provides a multi-source input differential non-orthogonal extreme aerospace transmission system. This transmission system has a unique structure, stable power transmission, strong load-bearing capacity, and high efficiency and reliability.

[0005] The technical solution adopted by the present invention to solve its technical problem is as follows: a multi-source input differential non-orthogonal extreme aerospace transmission system, characterized in that it includes: a differential non-orthogonal surface gear transmission system and a planetary gear transmission system;

[0006] The differential non-orthogonal gear transmission system includes: a lower end face gear, an input cylindrical gear, and an upper end face gear; the input cylindrical gear is connected to an external power source and is evenly arranged in the circumferential direction; the input cylindrical gear meshes with both the upper and lower end face gears simultaneously; the lower part of the upper end face gear is an externally meshing external bevel gear that meshes with the input cylindrical gear; the upper part of the upper end face gear is connected to a common cylindrical gear, which acts as the sun gear of the planetary gear transmission system;

[0007] The upper end face gear is an externally meshing external conical gear, and the input cylindrical gear and the upper end face gear form an externally meshing non-orthogonal gear pair.

[0008] The lower end face gear is an internally meshing internal conical gear, and the input cylindrical gear and the lower end face gear form an internally meshing non-orthogonal gear pair.

[0009] The upper and lower end face gears are not bevel gears. The upper and lower end face gears are paired special complex curved surface gears that mesh with cylindrical gears simultaneously and are formed by non-orthogonal included angle spatial conjugate development. The tooth surfaces of the upper and lower end face gears are non-uniformly composed of working surfaces and transition curved surfaces. The upper and lower end face gears have thicker teeth at the small end and sharper teeth at the large end, and the tooth thickness gradually becomes sharper along the tooth width taper direction.

[0010] The upper and lower end face gears have different tooth profiles and different numbers of teeth, with the lower end face gear having more teeth than the upper end face gear.

[0011] The lower end face gear can be connected to a speed-regulating motor. The rotational speed of the lower end face gear is not fixed. The lower end face gear can be locked at rest, or it can rotate at a variable speed. The lower end face gear, the input cylindrical gear, and the upper end face gear constitute a differential non-orthogonal surface gear transmission system.

[0012] The angle between the shafts of the input cylindrical gear and the lower end face gear is an acute angle, the angle between the shafts of the input cylindrical gear and the upper end face gear is an acute angle, and the sum of the angles between the shafts of the input cylindrical gear and the lower end face gear and the upper end face gear is 90°.

[0013] The planetary gear transmission system includes: an upper face gear, planetary gears, planetary gear shafts, bearings, a planetary carrier, an internal gear ring, and an upper cover; a common cylindrical gear is connected to the upper part of the upper face gear, which serves as the sun gear of the planetary gear transmission system; the planetary gears mesh externally with the sun gear on the upper face gear, and simultaneously mesh internally with the internal gear ring; the planetary gears are mounted on the planetary carrier through planetary gear shafts and bearings, and the rotation of the planetary gears drives the planetary carrier to move, thus outputting the power of the upper face gear through the planetary carrier;

[0014] The upper end cover is fixedly connected to the internal gear ring, serving as the internal gear of the planetary gear transmission system. The planet carrier outputs power by connecting to an external rotating shaft.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the transmission system has a multi-source differential non-orthogonal extreme transmission configuration, which is a high-power-density extreme transmission system with multiple inputs, high load capacity, and variable speed; it fills the gap in related international technologies, promotes the development of engineering technology in the field of extreme transmission, and has significant social and economic benefits. Attached Figure Description

[0016] Figure 1 It is a multi-source input differential non-orthogonal extreme aerospace propulsion system;

[0017] Figure 2 This is an isometric drawing of a multi-source input differential non-orthogonal extreme aerospace transmission system.

[0018] Figure 3This is a cross-sectional view of a multi-source input differential non-orthogonal extreme aerospace transmission system.

[0019] Figure 4 This is an exploded diagram of a multi-source input differential non-orthogonal extreme aerospace transmission system.

[0020] Figure 5 This is an exploded view of a differential non-orthogonal gear transmission system.

[0021] Figure 1 — Figure 5 middle:

[0022] 1. Lower end face gear; 2. Input cylindrical gear; 3. Upper end face gear;

[0023] 4. Internal gear ring; 5. Bearing; 6. Planetary gears;

[0024] 7. Planetary gear axle; 8. Planetary carrier; 9. Top cover. Detailed Implementation

[0025] Embodiments of the present invention will be described with reference to the accompanying drawings, which will be further described below. Figure 1 — Figure 5 The specific embodiments of the present invention will be described in detail below.

[0026] A multi-source input differential non-orthogonal extreme aerospace transmission system includes a lower end face gear 1, an input cylindrical gear 2, an upper end face gear 3, an internal gear ring 4, a bearing 5, a planetary gear 6, a planetary gear shaft 7, a planetary carrier 8, and an upper end cover 9.

[0027] The three input cylindrical gears 2 are the power input ends, and are evenly arranged in a 120-degree ring to mesh with the lower end face gear 1 and the upper end face gear 3, transmitting power to the upper end face gear 3.

[0028] The lower end face gear 1 can be connected to an external speed-regulating motor. The speed of the lower end face gear 1 is not fixed. The lower end face gear 1 can be locked at rest and not rotate. The external speed-regulating motor can also drive the lower end face gear 1 to rotate at a different speed. The lower end face gear 1, the input cylindrical gear 2 and the upper end face gear 3 form a differential non-orthogonal surface gear transmission system. When the speed of the input cylindrical gear 2 remains constant, the non-fixed speed ratio of the transmission system can be changed by changing the speed of the lower end face gear 1.

[0029] The upper face gear 3 containing the sun gear, together with the planet gear 6, the planet carrier 8, and the internal gear ring 4, constitute a planetary gear transmission system. The planet gear 6 is mounted on the planet carrier 8 through the bearing 5 and the planet gear shaft 7. Through the force input of the upper face gear 3 containing the sun gear, the power is further transmitted to the planet carrier 8. The planet carrier 8 is the output end, which is connected to an external transmission shaft to output the power.

[0030] The above description is merely a preferred embodiment of the invention and does not constitute any limitation on the invention. Any modifications, alterations, or equivalent changes made to the above embodiments based on the essence of the invention shall still fall within the protection scope of the invention.

Claims

1. A multi-source input differential non-orthogonal polar space drive system characterized by Comprise: Differential non-orthogonal face gear transmission system, planetary gear transmission system; The differential non-orthogonal face gear transmission system comprises: lower end face gear, input cylindrical gear, upper end face gear; the input cylindrical gear is connected with an external power source and is uniformly arranged in the circumferential direction; the input cylindrical gear is simultaneously engaged with the upper end face gear and the lower end face gear, the lower part of the upper end face gear is an externally meshing outer conical face gear and is engaged with the input cylindrical gear; the upper part of the upper end face gear is connected with a common cylindrical gear, which acts as a sun gear of the planetary gear transmission system; The upper end face gear is an externally meshing outer conical face gear, and the input cylindrical gear and the upper end face gear form an externally meshing non-orthogonal face gear pair; The lower end face gear is an internally meshing inner conical face gear, and the input cylindrical gear and the lower end face gear form an internally meshing non-orthogonal face gear pair; The upper end face gear and the lower end face gear are both non-bevel gears, and the upper end face gear and the lower end face gear are paired special complex curved face gears which are simultaneously engaged with the cylindrical gear to form a non-orthogonal included angle space conjugate development; the tooth surface of the upper end face gear and the lower end face gear is non-uniformly composed of a working surface and a transition curved surface; the small end tooth thickness of the upper end face gear and the lower end face gear gradually becomes sharp along the tooth width taper direction; The tooth shapes of the upper end face gear and the lower end face gear are different, and the number of teeth of the lower end face gear is greater than that of the upper end face gear; The lower end face gear is connected with a speed regulation motor, the rotation speed of the lower end face gear is non-fixed, the lower end face gear is in a stationary locked state or rotates at a variable speed, and the lower end face gear, the input cylindrical gear and the upper end face gear form a differential non-orthogonal face gear transmission system; The shaft intersection angle between the input cylindrical gear and the lower end face gear is an acute angle, the shaft intersection angle between the input cylindrical gear and the upper end face gear is an acute angle, and the sum of the shaft intersection angles between the input cylindrical gear and the lower end face gear and the upper end face gear is 90°; The planetary gear transmission system comprises: upper end face gear, planetary gear, planetary gear shaft, bearing, planet carrier, inner ring gear, upper end cover; the upper part of the upper end face gear is connected with a common cylindrical gear, which acts as a sun gear of the planetary gear transmission system; the planetary gear is externally meshed with the sun gear of the upper part of the upper end face gear, and is simultaneously internally meshed with the inner ring gear; the planetary gear is installed on the planet carrier through the planetary gear shaft and the bearing, and the movement of the planet carrier is driven by the rotation of the planetary gear, so that the power of the upper end face gear is output through the planet carrier; The upper end cover is fixedly connected with the inner ring gear, which acts as an inner gear of the planetary gear transmission system, and the planet carrier outputs power through a connected external rotating shaft.

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