Waterproof servo steering engine for wing based on narrow space

Abstract

The utility model relates to the technical field of wings of low-altitude aircrafts, and discloses a waterproof servo steering engine for wings based on narrow space, which comprises a fixed wing, two protection boxes and two swing wings, the two protection boxes are respectively and fixedly arranged on two sides of the fixed wing, the two swing wings are respectively and rotatably arranged on one sides of the two protection boxes, and the two swing wings are fixedly arranged on the fixed wing. The fixed wing comprises a servo motor, a planetary reducer and a fixed wing shell, the servo motor is mounted in the fixed wing shell, and the planetary reducer is mounted at the output end of the servo motor through key connection. According to the technical scheme, the servo steering engine decelerates the rotation motion of the servo motor through the first-stage planetary reducer, then the rotation motion of the servo motor is decelerated for the second time through the driving gear at the output shaft end of the planetary reducer and the gear pair, and the driven connection gear rotates to directly drive the swing wing to swing. According to the mode, the structure is compact, the needed installation space is small, the structure is simple, two-in-one driving is easy to achieve, and meanwhile the weight is easy to control.

Description

TECHNICAL FIELD

[0001] The utility model relates to low altitude aircraft wing technical field especially, relates to a wing waterproof servo steering engine based on narrow space. BACKGROUND

[0002] As the key execution component of low altitude aircraft (such as unmanned aerial vehicle, model aircraft etc.) control system, the performance of servo actuator is directly related to the performance of aircraft and the stability, accuracy and reliability of related equipment operation. The wing design of new low altitude aircraft is usually compact, so it is required that the servo steering engine is small in size to adapt to the limited installation space while ensuring the output capacity.

[0003] The traditional servo steering engine usually reduces the rotation movement of servo motor through a first speed reducer, and then converts the rotation movement of the speed reducer into linear movement of the servo steering engine through a ball screw mechanism. The swing of the swing wing is converted through the matching transmission mechanism. This kind of steering engine requires a large installation space, and it is complex to realize one-to-two, and the weight is difficult to control.

[0004] Therefore, the skilled person in the art provides a waterproof servo steering engine for wing based on narrow space to solve the problems raised in the background art. SUMMARY

[0005] The utility model discloses a waterproof servo steering engine for wing based on narrow space, the rotation movement of servo motor in the technical scheme is reduced through a first planetary speed reducer, and then the second reduction is carried out through the gear pair through the drive gear on the output shaft end of the planetary speed reducer, and the rotation of the driven connecting gear directly drives the swing of the swing wing. This kind of way is compact in structure, small in required installation space, simple in structure, easy to realize one-to-two, and easy to control weight.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A waterproof servo steering engine for wing based on narrow space, comprising a fixed wing, two protective boxes and two swing wings, the two protective boxes are fixedly installed on the two sides of the fixed wing, and the two swing wings are rotatably installed on one side of the two protective boxes.

[0008] The fixed wing comprises a servo motor, a planetary speed reducer and a fixed wing shell, the servo motor is installed in the inside of the fixed wing shell, the planetary speed reducer is installed on the output end of the servo motor through key connection, and driven connecting shafts are rotatably installed at both ends in the fixed wing shell, and a shaft coupling is installed between the two driven connecting shafts.

[0009] Through the technical scheme, the servo steering engine reduces the rotating movement of the servo motor through a first planetary reducer, then reduces the rotating movement through a gear pair through a driven connecting gear and two driven connecting shafts, and directly drives the swinging wing to swing through the rotating of the driven connecting gear.

[0010] Further, the two protective boxes each include a driving gear, a sensor assembly, a driven connecting gear, a sealing grommet, and a protective box shell, the driving gear is installed at an output end of the planetary reducer, the sensor assembly is threadedly connected to the outside of the fixed wing and in contact with the output shaft end of the planetary reducer, one end of the driven connecting shaft is fixedly provided with the driven connecting gear, and one end of the driven connecting gear is in meshing connection with the driving gear.

[0011] Through the technical scheme, the sensor assembly is threadedly connected to the outside of the fixed wing and in contact with the output shaft end of the planetary reducer, so as to realize detection of the position of the servo steering engine, in a narrow space, the gear structure in the driven connecting gear is designed as a sector gear structure, so as to greatly reduce the required movement space in the rotating process of the complete driven gear on the basis of ensuring a large reduction ratio.

[0012] Further, the two swinging wings each include a swinging wing transmission shaft and a swinging wing shell, the swinging wing transmission shaft is fixedly installed at the bottom end of the swinging wing shell, and one end of the swinging wing transmission shaft on the same side is fixedly connected to one end of the driven connecting shaft.

[0013] Through the technical scheme, the swinging wing transmission shaft is fixedly installed at the bottom end of the swinging wing shell, so as to facilitate fixed connection of the swinging wing shell driven connecting shaft.

[0014] Further, the two driven connecting shafts are each provided with a bearing body at the connection with the fixed wing shell, one side of each of the two bearing bodies is provided with a bearing baffle, and one side of each of the two bearing baffles is threadedly installed with a locking nut outside the driven connecting shaft.

[0015] Through the technical scheme, the bearing body, the bearing baffle, and the locking nut are designed, so as to facilitate rotation of the driven connecting shaft, and the locking nut can limit the position of the bearing body.

[0016] Further, the contact end of the driven connecting shaft on the same side with the protective box shell is provided with a sealing grommet.

[0017] The above technical solution provides a sealing Glyd ring at the contact end between the driven connecting shaft and the outer shell of the protective box on the same side, thereby ensuring the sealing of the connection between the protective box and the driven connecting shaft.

[0018] This utility model has the following beneficial effects:

[0019] 1. This utility model proposes a waterproof servo motor for airfoils designed for confined spaces. The servo motor in this solution reduces the rotational motion of the servo motor through a single-stage planetary reducer. Then, the output shaft of the planetary reducer's drive gear undergoes a second reduction via a gear pair. The driven gear directly drives the oscillating wing. This design is compact, requires little installation space, is simple in structure, easily supports dual-drive configurations, and maintains manageable weight. During operation, the servo motor drives the planetary reducer for the first reduction. The planetary reducer then drives the drive gear, which in turn drives the driven gear for the second reduction. The driven gear directly drives the oscillating wing. In confined spaces, the driven gear is designed as a sector gear structure, which significantly reduces the space required for the complete driven gear rotation process while maintaining a high reduction ratio. Attached Figure Description

[0020] Figure 1 This is an isometric drawing of a waterproof servo motor for an air wing based on a confined space, as proposed in this utility model.

[0021] Figure 2 This is a cross-sectional view of a waterproof servo motor for an airfoil based on a confined space, as proposed in this utility model.

[0022] Figure 3 This is a partial top view of a waterproof servo motor for an airfoil based on a confined space, as proposed in this utility model.

[0023] Figure 4 This is a partial side view of a waterproof servo motor for an air wing based on a confined space, as proposed in this utility model.

[0024] Figure 5 This is a side view of a waterproof servo motor for an airfoil based on a confined space, as proposed in this utility model.

[0025] Figure 6 This is a front view of the driven connecting gear in a waterproof servo motor for an airfoil based on a confined space, as proposed in this utility model.

[0026] Figure 7 for Figure 2 Enlarged view of point A in the middle.

[0027] Legend:

[0028] 1, fixed wing; 101, servo motor; 102, planetary reducer; 103, fixed wing shell; 104, driven connection shaft; 105, shaft coupling; 106, lock nut; 107, bearing baffle; 108, bearing body; 2, protection box; 201, driving gear; 202, sensor assembly; 203, driven connection gear; 204, sealing gasket; 205, protection box shell; 3, swing wing; 301, swing wing transmission shaft; 302, swing wing shell. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Referring to Figures 1 to 7 An embodiment provided by the utility model: a waterproof servo steering engine for wing based on narrow space, comprising fixed wing 1, two protection boxes 2 and two swing wings 3, two protection boxes 2 are fixedly installed on the two sides of fixed wing 1 respectively, two swing wings 3 are rotatably installed on one side of two protection boxes 2 respectively;

[0031] The fixed wing 1 comprises a servo motor 101, a planetary reducer 102, a fixed wing shell 103, the servo motor 101 is installed inside the fixed wing shell 103, the planetary reducer 102 is installed on the output end of the servo motor 101 through key connection, both ends inside the fixed wing shell 103 are rotatably installed with driven connecting shafts 104, a shaft coupling 105 is installed between the two driven connecting shafts 104, both protection boxes 2 comprise a driving gear 201, a sensor assembly 202, a driven connecting gear 203, a sealing gasket 204 and a protection box shell 205, the driving gear 201 is installed on the output end of the planetary reducer 102, the sensor assembly 202 is threadedly connected outside the fixed wing 1 and contacts the output shaft end of the planetary reducer 102, one end of one driven connecting shaft 104 is fixedly provided with the driven connecting gear 203, one end of the driven connecting gear 203 is meshedly connected with the driving gear 201, both swing wings 3 comprise a swing wing transmission shaft 301 and a swing wing shell 302, the swing wing transmission shaft 301 is fixedly installed at the bottom end of the swing wing shell 302, one end of the swing wing transmission shaft 301 on the same side is fixedly connected with one end of the driven connecting shaft 104, shaft bearing bodies 108 are installed at the connection positions of the two driven connecting shafts 104 and the fixed wing shell 103, bearing stop sheets 107 are arranged on one side of the two shaft bearing bodies 108, lock nuts 106 are threadedly installed on the outer sides of the two driven connecting shafts 104 on one side of the bearing stop sheets 107, the contact ends of the driven connecting shafts 104 and the protection box shells 205 on the same side are provided with the sealing gaskets 204, the servo steering machine in the technical scheme reduces the rotary motion of the servo motor 101 through the first-stage planetary reducer 102, then reduces the rotary motion through the driving gear 201 on the output shaft end of the planetary reducer 102 through the gear pair for the second time, and directly drives the swing wings 3 to swing through the rotation of the driven connecting gears and the two driven connecting shafts. This mode has compact structure, small required installation space, simple structure and easy realization of one-to-two dragging, and the weight is easy to control, the shaft coupling 105 is designed to connect the two driven connecting shafts, the sensor assembly 202 is threadedly connected outside the fixed wing 1 and contacts the output shaft end of the planetary reducer 102 to realize the detection of the position of the servo steering machine, the gear structure in the driven connecting gear is designed as a sector gear structure in the narrow space, the complete driven gear rotary motion space can be greatly reduced on the basis of ensuring large reduction ratio, the swing wing transmission shaft 301 is fixedly installed at the bottom end of the swing wing shell 302 to facilitate the fixed connection of the swing wing shell 302 and the driven connecting shaft, the shaft bearing bodies 108, the bearing stop sheets 107 and the lock nuts 106 are designed to facilitate the rotation of the driven connecting shaft, the lock nuts 106 can limit the position of the shaft bearing bodies 108, and the sealing gaskets 204 are arranged at the contact ends of the driven connecting shafts 104 and the protection box shells 205 on the same side to ensure the sealing property of the connection positions of the protection boxes 2 and the driven connecting shafts.

[0032] Working principle: the servo steering engine in the technical solution reduces the rotating movement of the servo motor 101 through a one-stage planetary reducer 102, then the output shaft end driving gear 201 of the planetary reducer 102 is output through a gear pair to perform a second reduction, and the driven connection gear is directly rotated to drive the swing wing 3 to swing. This kind of structure is compact, requires small installation space, simple structure, easy to realize one-to-two, and easy to control weight. When working, the servo motor 101 drives the planetary reducer 102 to rotate and perform a first reduction, the planetary reducer 102 drives the driving gear 201 to rotate, the driving gear 201 drives the driven connection gear to rotate through the gear pair and performs a second reduction, and the driven connection gear directly drives the swing wing 3 to swing. In a small space, the gear structure in the driven connection gear is designed as a sector gear structure, which can greatly reduce the required movement space during the complete rotation of the driven gear on the basis of ensuring a large reduction ratio.

[0033] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A waterproof servo-rudder for a wing based on a narrow space, comprising a fixed wing (1), two protective boxes (2) and two swing wings (3), characterized in that: Two said protection boxes (2) are fixedly installed on the two sides of the fixed wing (1), and two said swing wings (3) are rotatably installed on one side of the two protection boxes (2) respectively. The fixed wing (1) comprises a servo motor (101), a planetary reducer (102) and a fixed wing shell (103), the servo motor (101) is installed inside the fixed wing shell (103), the planetary reducer (102) is installed on the output end of the servo motor (101) through key connection, and the both ends of the fixed wing shell (103) are rotatably installed with driven connecting shafts (104), and a shaft coupling (105) is installed between the two driven connecting shafts (104).

2. A waterproof servo actuator for a wing based on a narrow space according to claim 1, characterized in that: The two said protection boxes (2) each comprise a driving gear (201), a sensor assembly (202), a driven connecting gear (203), a sealing gasket (204) and a protection box shell (205), the driving gear (201) is installed on the output end of the planetary reducer (102), the sensor assembly (202) is threadedly connected outside the fixed wing (1) and in contact with the output shaft end of the planetary reducer (102), one end of the driven connecting gear (203) is fixedly arranged on one end of the driven connecting shaft (104), and the one end of the driven connecting gear (203) is in meshing connection with the driving gear (201).

3. A waterproof servo-actuator for a wing based on a narrow space according to claim 1, characterized in that: The two said swing wings (3) each comprise a swing wing transmission shaft (301) and a swing wing shell (302), the swing wing transmission shaft (301) is fixedly installed at the bottom end of the swing wing shell (302), and one end of the swing wing transmission shaft (301) on the same side is fixedly connected with one end of the driven connecting shaft (104).

4. A waterproof servo-actuator for a wing based on a narrow space according to claim 2, characterized in that: The connecting positions of the two said driven connecting shafts (104) and the fixed wing shell (103) are each provided with a bearing body (108), one side of the two said bearing bodies (108) is provided with a bearing baffle (107), and the outer side of the one side of the two said bearing baffles (107) is threadedly installed with a locking nut (106).

5. A waterproof servo-actuator for a wing based on a narrow space according to claim 2, characterized in that: The contact end of the driven connecting shaft (104) on the same side is provided with the sealing gasket (204) of the protection box shell (205).

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