阅读说明：本技术 一种提供初始阻尼且在线可调人感阻尼的电磁阻尼器 (Electromagnetic damper capable of providing initial damping and adjusting human sensing damping online ) 是由 杨金霖 信心 关丽雅 刘雷 李允� 梁赫 于 2020-12-24 设计创作，主要内容包括：本发明属于飞机电传油门台的应用开发领域,涉及一种提供初始阻尼且在线可调人感阻尼的电磁阻尼器；包括主轴(1)、定子(2)、线圈绕组(3)、主摩擦盘(4)、副摩擦盘(5)、转子(7)、球轴承(9)、齿轮轴(10)、碟形弹簧(11)和推力轴承(13)；本发明通过调节碟形弹簧的变形量,调整电磁阻尼器的初始阻尼力矩,便于油门台中油门杆初始人感阻尼的调节。该电磁阻尼器将摩擦副设计在产品轴线最外端,采用带有凸点表面织构的摩擦副,充分利用空间和电磁能,在保证产品可靠性和寿命的基础上,提高电磁阻尼器在线可调人感阻尼的范围。其结构简单,布局紧凑,体积小巧,可靠性和能效比高,是一种高磁密电磁装置。(The invention belongs to the field of application and development of aircraft electric transmission throttle platforms, and relates to an electromagnetic damper which provides initial damping and can adjust human sensing damping on line; the device comprises a main shaft (1), a stator (2), a coil winding (3), a main friction disc (4), an auxiliary friction disc (5), a rotor (7), a ball bearing (9), a gear shaft (10), a disc spring (11) and a thrust bearing (13); the initial damping moment of the electromagnetic damper is adjusted by adjusting the deformation of the disc spring, so that the initial human sensing damping of the throttle rod in the throttle platform can be adjusted conveniently. The electromagnetic damper is characterized in that the friction pair is designed at the outermost end of the axis of a product, the friction pair with the salient point surface texture is adopted, the space and electromagnetic energy are fully utilized, and the online adjustable human sensing damping range of the electromagnetic damper is improved on the basis of ensuring the reliability and the service life of the product. The high-density electromagnetic device has the advantages of simple structure, compact layout, small volume and high reliability and energy efficiency ratio, and is a high-density electromagnetic device.)

1. An electromagnetic damper capable of providing initial damping and adjusting human sensing damping online is characterized by comprising a main shaft (1), a stator (2), a coil winding (3), a main friction disc (4), an auxiliary friction disc (5), a rotor (7), a ball bearing (9), a gear shaft (10), a disc spring (11) and a thrust bearing (13); the main friction disc (4) and the main shaft (1) are respectively fixedly connected with the stator (2); the auxiliary friction disc (5) is fixedly connected with the rotor (7); the rotor (7) can rotate on the main shaft (1) through a ball bearing (9); the coil winding (3) is arranged on the stator (2); the rotor (7), the gear shaft (10), the thrust bearing (13) and the disc spring (11) are sequentially and fixedly arranged on the main shaft (1).

2. The electromagnetic damper providing initial damping and in-line adjustable human motion damping as claimed in claim 1, characterized in that said primary (4) and secondary (5) friction discs are designed at the extreme outer end of the product axis.

3. The electromagnetic damper for providing initial damping and adjustable on-line human motion damping of claim 1, wherein said electromagnetic damper is a high-magnetic-density electromagnetic device.

4. The electromagnetic damper for providing initial damping and online adjustable motion sensing damping as claimed in claim 1, wherein said primary friction disk (4) and said secondary friction disk (5) form a friction pair, and said friction pair is designed with a convex surface texture.

5. The electromagnetic damper providing initial damping and adjustable human motion damping in-line according to claim 1, characterized in that the stator (2), the magnetic conducting ring (8), the rotor (7) and the air gap (6) constitute a magnetic circuit.

6. The electromagnetic damper for providing initial damping and adjustable online human sensing damping as recited in claim 1, characterized in that when said coil winding (3) is energized, an electromagnetic attraction force is generated between the stator (2) and the rotor (7) to press the main friction disc (4) and the auxiliary friction disc (5) tightly.

7. The electromagnetic damper for providing initial damping and online adjustable human sensing damping as claimed in claim 1, wherein when the main friction disk (4) and the auxiliary friction disk (5) slide relatively, a friction force is generated between the friction pairs, and the product of the friction force and the friction force arm is the online adjustable human sensing damping torque.

8. The electromagnetic damper providing initial damping and adjustable human sensing damping online according to claim 1, characterized in that the deformation of the disc spring (11) is adjusted by the tightening degree of the nut (12), and the initial damping torque of the electromagnetic damper can be adjusted.

Technical Field

The invention belongs to the field of application and development of aircraft electric transmission throttle platforms, and relates to an electromagnetic damper which provides initial damping and can adjust human sensing damping on line; the electromagnetic damper (hereinafter referred to as electromagnetic damper) with initial damping and adjustable human sensing damping is used for adjusting the human sensing damping of the throttle lever on line by a pilot.

Background

The throttle platform is an interface for a pilot to operate an aircraft engine, and the thrust of the engine can be adjusted by pushing a throttle lever on the throttle platform. The throttle lever transmission link is internally provided with a damping device which can prevent the throttle lever from being loosened and ensure that the throttle lever stays at any position of a stroke.

At present, domestic and foreign damping devices are various in form, but the damping provided by the damping device can not be adjusted, or the rear part of an accelerator platform needs to be detached and can be finely adjusted. The human body structure is different, and the strength of each pilot is different. In order to make a pilot operate comfortably and reduce flight burden, a product accords with the design of man-machine efficacy, and a device with initial damping and adjustable human sensing damping on line is urgently needed.

Disclosure of Invention

The purpose of the invention is: in order to solve the defects of the damping device, the invention designs the electromagnetic damper which provides the initial damping and can adjust the human sensing damping online, the device has simple structure, compact layout, small size, high reliability, convenient installation and disassembly and easy maintenance, is suitable for the temperature range of minus 55 ℃ to plus 70 ℃, and is a high-magnetic-density electromagnetic device. By adjusting the exciting current, the output magnitude of the damping torque can be controlled, and then the pilot can adjust the human sensing damping of the throttle stick on line.

The technical scheme of the invention is as follows: an electromagnetic damper providing initial damping and online adjustable human sensing damping is characterized in that a main shaft 1, a stator 2, a coil winding 3, a main friction disc 4, an auxiliary friction disc 5, a rotor 7, a ball bearing 9, a gear shaft 10, a disc spring 11 and a thrust bearing 13 are arranged; the main friction disc 4 and the main shaft 1 are respectively fixedly connected with the stator 2; the auxiliary friction disc 5 is fixedly connected with the rotor 7; the rotor 7 can rotate on the main shaft 1 through a ball bearing 9; the coil winding 3 is arranged on the stator 2; the rotor 7, the gear shaft 10, the thrust bearing 13 and the belleville spring 11 are fixedly mounted on the main shaft 1 in sequence.

The primary and secondary friction discs 4, 5 are designed at the outermost ends of the product axis.

The electromagnetic damper is a high-magnetic-density electromagnetic device.

The main friction disk 4 and the auxiliary friction disk 5 form a friction pair, and a convex surface texture is designed on the friction pair.

The stator 2, the magnetic conductive ring 8, the rotor 7 and the air gap 6 form a magnetic circuit.

When the coil winding 3 is electrified, electromagnetic attraction is generated between the stator 2 and the rotor 7, and the main friction disc 4 and the auxiliary friction disc 5 are pressed tightly.

When the main friction disk 4 and the auxiliary friction disk 5 slide relatively, friction force is generated between the friction pairs, and the product of the friction force and the friction force arm is the online adjustable human sensing damping moment.

The deformation of the disk spring 11 is adjusted by the screwing degree of the nut 12, so that the initial damping torque of the electromagnetic damper can be adjusted.

The invention has the advantages that: the invention designs an electromagnetic damper which provides initial damping and can adjust human sensing damping on line. The initial damping torque of the electromagnetic damper is adjusted by adjusting the deformation of the disc spring, so that the initial human sensing damping of the throttle rod in the throttle platform can be adjusted conveniently. The electromagnetic damper is characterized in that the friction pair is designed at the outermost end of the axis of a product, the friction pair with the salient point surface texture is adopted, the space and electromagnetic energy are fully utilized, and the online adjustable human sensing damping range of the electromagnetic damper is improved on the basis of ensuring the reliability and the service life of the product. The high-density electromagnetic device has the advantages of simple structure, compact layout, small volume and high reliability and energy efficiency ratio, and is a high-density electromagnetic device.

Drawings

FIG. 1 is a schematic diagram of an electromagnetic damper providing initial damping and on-line adjustable human sensing damping

The device comprises a main shaft-1, a stator-2, a coil winding-3, a main friction disc-4, an auxiliary friction disc-5, an air gap-6, a rotor-7, a magnetic conduction ring-8, a ball bearing-9, a gear shaft-10, a disc spring-11, a nut-12 and a thrust bearing-13.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

as shown in FIG. 1, the electromagnetic damper of the present invention provides initial damping and online adjustable human sensing damping. The friction disc mainly comprises a main shaft 1, a stator 2, a coil winding 3, a main friction disc 4, an auxiliary friction disc 5, a rotor 7, a ball bearing 9, a gear shaft 10, a disc spring 11, a thrust bearing 13 and the like. In order to increase the friction force arm, the main friction disk 4 and the auxiliary friction disk 5 are designed at the outermost end of the axis of the electromagnetic damper. The main friction disc 4 and the main shaft 1 are fixedly connected with the stator 2 through screws respectively. The auxiliary friction disc 4 and the rotor 2 are fastened by screws. The rotor 7 is rotatable on the main shaft 1 by means of a ball bearing 9. The initial damping torque of the electromagnetic damper can be adjusted by adjusting the deformation of the disc spring 11 through the screwing degree of the nut 12. The coil winding 3 is mounted on the stator 2 to provide electromagnetic energy to the electromagnetic damper. The stator 2, the magnetic conductive ring 8, the rotor 7 and the air gap 6 form a magnetic circuit. The coil winding 3 is arranged on the stator 2; the rotor 7, the gear shaft 10, the thrust bearing 13 and the belleville spring 11 are sequentially and fixedly arranged on the main shaft 1; when the coil winding 3 is electrified, electromagnetic attraction force is generated between the stator 2 and the rotor 7, and the main friction disc 4 and the auxiliary friction disc 5 are pressed tightly by the electromagnetic attraction force. Meanwhile, when the main friction disk 4 and the sub friction disk 5 slide relative to each other, a frictional force is generated between the friction pairs. The product of the friction force and the friction force arm is the online adjustable human sensing damping torque.

The implementation method of the invention is characterized in that the main friction disk 4 and the auxiliary friction disk 5 are designed at the outermost end of the axial line of the product through reasonable layout, thereby not only increasing the friction arm, but also playing a role of sealing the interior of the product.

The implementation method of the invention is to design an electromagnetic damper with a brand new layout, which makes full use of three-dimensional space and electromagnetic energy, has high energy efficiency ratio and is a high-magnetic-density electromagnetic device.

The implementation method is characterized in that the friction pair is provided with the raised surface texture, so that the friction coefficient of the friction pair can be improved on the basis of ensuring the wear resistance, and the range of online adjustable damping torque of a product is further enlarged.