CN115009511A

CN115009511A - Motor assembly and application method of motor assembly on aircraft tail wheel lock

Info

Publication number: CN115009511A
Application number: CN202210654493.5A
Authority: CN
Inventors: 张晓伟; 师立峻; 师立峰; 文露露
Original assignee: Guizhou Qianhang Electric Co ltd
Current assignee: Guizhou Qianhang Electric Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-06

Abstract

The invention discloses a motor assembly and an application method of the motor assembly on an airplane tail wheel lock, which are carried out based on the motor assembly and comprise the following steps: the motor rotates to output rigid torque and is transmitted to the actuating mechanism through the transmission device, the screw rod of the actuating mechanism rotates on the nut B to be converted into stretching amount output, and the elastic gasket provides buffer amount. The motor assembly includes: the motor can rotate forwards and backwards to provide rigid rotating torque; the transmission device is in meshing transmission with a rotary output shaft of the motor through a gear; the actuating mechanism is connected with the transmission device and converts the rotary motion of the motor into telescopic motion, and the actuating mechanism can provide buffer capacity from the inside. The rigid torque of the motor enables the actuating mechanism to stretch out and draw back, the actuating mechanism provides buffer capacity from the inside, and the problem that the compression spring is located in an open environment compression space outside the push rod and is easily blocked by foreign matters is solved.

Description

Motor assembly and application method of motor assembly on aircraft tail wheel lock

Technical Field

The invention relates to an application method of a motor assembly on an airplane tail wheel lock, and belongs to the technical field of motor assembly design and motor application.

Background

In order to ensure that the airplane can keep linear motion during taking off and landing, a motor assembly is used for forming a driving device to drive a tail wheel lock of the airplane to be in a state of being unlocked or locked at a certain angle;

in the device which has the electric and manual control of the tail wheel lock and is disclosed in Chinese patent publication No. CN112319784A, the technology comprises a motor, a push rod and a control device, wherein the front end of the push rod is used for being connected with a handle; a strip-shaped hole is formed in the push rod, a ball plunger is arranged at the front end of the strip-shaped hole, a rotating shaft is arranged in the strip-shaped hole in a sliding mode, the ball plunger is used for fixing the rotating shaft, and a pressure spring is wound on the push rod; be equipped with on the handle with the hole soon of spiral shaft looks adaptation, be equipped with the round pin shaft hole on the handle, slide in the round pin shaft hole and set up the round pin axle, the round pin axle still is connected with the lockpin, the lockpin is arranged in inserting the locking hole of tailwheel lock ", though, the pressure spring can provide the buffer capacity when the tailwheel lock is in the locking state, but, the pressure spring is in the outside open environment of push rod, has the pressure spring compression space dead problem of card by the foreign matter easily.

Disclosure of Invention

In order to solve the technical problem, the invention provides an application method of a motor assembly on a tail wheel lock of an airplane.

The invention is realized by the following technical scheme.

The invention provides an application method of a motor assembly on an airplane tail wheel lock, which is carried out based on the motor assembly and comprises the following steps:

the motor rotates to output rigid torque and is transmitted to the actuating mechanism through the transmission device, the screw rod of the actuating mechanism rotates on the nut B to be converted into stretching amount output, and the elastic gasket provides buffer amount.

An electric machine assembly comprising:

the motor can rotate positively and reversely to provide rigid rotating torque;

the transmission device is in meshing transmission with a rotary output shaft of the motor through a gear;

the actuating mechanism is connected with the transmission device and converts the rotary motion of the motor into telescopic motion, and the actuating mechanism can provide buffer capacity from the inside.

The transmission device comprises a base;

the gear shaft A is provided with a gear and can be rotatably arranged on the base;

the gear shaft B is rotatably arranged on the base and is in tooth meshing transmission with the gear shaft A;

the nut A and the gear shaft B are in tooth meshing transmission.

The motor fixing shell is fixedly connected to the base.

And two ends of the gear shaft A are rotatably arranged on the base through bearings.

And the gear of the gear shaft A is in meshed transmission with a rotary output shaft of the motor.

One end of the gear shaft A penetrates through the base.

Two ends of the gear shaft B are rotatably arranged on the base through bearings; still include the thumb wheel, thumb wheel and the gear shaft A fixed connection who runs through on the base.

The actuator includes: a nozzle fixed with the base is arranged on the base,

the screw rod is fixedly sleeved with the middle part of the nut A, and the screw rod and the nut A are positioned in the pipe nozzle;

the shifting block is fixedly connected with the pipe nozzle, the nut B and the pipe nozzle can only slide but cannot be rotatably installed, the shifting block is spaced from the nut B, and the other end of the screw rod can slide, stretch and penetrate through the shifting block and is sleeved with an elastic gasket to be screwed with the nut B; the elastic gasket provides buffer capacity to realize that the actuating mechanism can provide the effect of buffer force from inside.

And an O-shaped sealing ring is sleeved outside the end part of the screw rod extending out of the nozzle.

The invention has the beneficial effects that: the rigid torque of the motor enables the actuating mechanism to stretch out and draw back, the actuating mechanism provides buffer capacity from the inside, and the problem that the compression spring is located in an open environment compression space outside the push rod and is easily blocked by foreign matters is solved.

Drawings

FIG. 1 is an external structural view of the present invention;

FIG. 2 is a schematic view of the internal cross-sectional position connection of the present invention;

in the figure: 1-a motor; 17-a rotary output shaft; 2-a transmission device; 21-a base; 22-gear shaft a; 23-gear shaft B; 25-bearing C; 26-nut a; 3-an actuator; 31-a lead screw; 32-a nozzle; a 33-O type seal ring; 34-a shifting block; 35-nut B; 37-resilient gasket.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1-2.

The application provides a motor assembly, includes:

a motor 1 for providing rigid positive and negative rotation torque;

a transmission device 2 which is in meshed transmission with a rotary output shaft 17 of the motor 1 through a gear;

and the actuating mechanism 3 is connected with the transmission device 2 and converts the rotary motion of the motor 1 into telescopic motion, and the actuating mechanism 3 can provide buffer amount from the inside.

The rigid torque of the motor 1 enables the actuating mechanism 3 to stretch out and draw back, the actuating mechanism 3 provides buffer volume from the inside, and the problem that the compression space of the open environment with the compression spring outside the push rod is easily blocked by foreign matters is solved.

The transmission device 2 comprises a base 21 providing a force-bearing basis;

a gear shaft A22 with a gear meshed with the rotary output shaft 17 of the motor 1 for transmission, wherein one end of the gear shaft A22 is arranged on a bearing and penetrates through the base 21 to be fixedly connected with the thumb wheel 5, and the other end of the gear shaft A22 is rotatably arranged on the base 21 through the bearing;

two ends of the gear shaft B23 are rotatably arranged on the base 21 through bearings and are in tooth meshing transmission with the gear shaft A22;

and the nut A26 is fixedly installed with the actuating mechanism 3 and then is in tooth meshing transmission with the gear shaft B23, and two ends of the nut A26 are rotatably installed on the base 21 through a bearing C25.

The fixed casing of the motor 1 is fixedly connected to the base 21;

the actuator 3 includes: a nozzle 32 fixedly connected with the base 21 and providing a force basis,

the screw 31 is fixedly sleeved with the middle part of the nut A26, the screw 31 and the nut A26 are positioned in the nozzle 32, and an O-shaped sealing ring 33 is sleeved outside one end of the screw 31 and extends out of the nozzle 32;

the shifting block 34 is fixedly connected with the nozzle 32, is provided with a nut B35, is only slidably but not rotatably arranged with the nozzle 32, is spaced from the nut B35, and the other end of the screw rod 31 can slidably, telescopically and penetratingly penetrate through the shifting block 34 and is sleeved with an elastic gasket 37 which is screwed with the nut B35; the elastic gasket 37 provides the buffer amount to realize the function that the actuating mechanism 3 can provide the buffer force from the inside, the elastic gasket 37 is made of elastic rubber to generate the elastic force, or the elastic gasket 37 is an opening gasket made of elastic steel to generate the elastic force.

The motor 1 drives the gear shaft A22 to rotate, the gear shaft A22 drives the gear shaft B23 to rotate, the gear shaft B23 drives the lead screw 31 fixed with the nut A26 to rotate, the lead screw 31 is screwed with the nut B35 on the nut B35, and the nut B35 is fixed on the nozzle 32, so that the lead screw 31 generates displacement to drive the elastic gasket 37 to compress on the shifting block 34, and the elastic gasket 37 provides a buffer amount.

Still include thumb wheel 5, thumb wheel 5 and the gear shaft A22 fixed connection that runs through on base 21 can manually drive gear shaft A22 through thumb wheel 5 and rotate, realize that lead screw 31 is flexible to slide.

The application method of the motor assembly on the tail wheel lock of the airplane, which is completed by using the motor assembly, comprises the following steps:

the rotation output rigid torque of the motor 1 is transmitted to the actuating mechanism 3 through the transmission device 2, the rotation of the lead screw 31 of the actuating mechanism 3 is converted into the output of the expansion amount on the nut B35, and the elastic gasket 37 provides the buffer amount.

Claims

1. An application method of a motor assembly on an airplane tail wheel lock is characterized in that the application method is carried out based on the motor assembly and comprises the following steps:

the motor (1) rotates to output rigid torque and is transmitted to the actuating mechanism (3) through the transmission device (2), a lead screw (31) of the actuating mechanism (3) rotates on a nut B (35) to be converted into stretching output, and an elastic gasket (37) provides buffer capacity.

2. An electric motor assembly comprising:

the motor (1), the motor (1) can rotate positively and negatively to provide rigid rotating torque;

a transmission device (2) which is in meshed transmission with a rotary output shaft (17) of the motor (1) through a gear;

the actuating mechanism (3) is connected with the transmission device (2) and converts the rotary motion of the motor (1) into telescopic motion, and the actuating mechanism (3) can provide buffer capacity from the inside.

3. An electric motor assembly according to claim 2, characterised in that said transmission means (2) comprise a base (21);

the gear shaft A (22), the gear shaft A (22) has gears, the gear shaft A (22) is rotatably mounted on the base (21);

the gear shaft B (23), the gear shaft B (23) is rotatably arranged on the base (21) and is in tooth meshing transmission with the gear shaft A (22);

the nut A (26) and the gear shaft B (23) are in tooth meshing transmission.

4. The motor assembly of claim 3, wherein: the motor (1) is fixedly connected with the fixed shell on the base (21).

5. The motor assembly of claim 3, wherein: two ends of the gear shaft A (22) are rotatably arranged on the base (21) through bearings.

6. The motor assembly of claim 3, wherein: the gear of the gear shaft A (22) is in meshed transmission with a rotary output shaft (17) of the motor (1).

7. The motor assembly of claim 3, wherein: one end of the gear shaft A (22) penetrates through the base (21); the automatic transmission mechanism further comprises a shifting wheel (5), and the shifting wheel (5) is fixedly connected with a gear shaft A (22) penetrating through the base (21).

8. The motor assembly of claim 3, wherein: two ends of the gear shaft B (23) are rotatably arranged on the base (21) through bearings.

9. An electric motor assembly according to claim 1, characterised in that said actuator (3) comprises: a nozzle (32) fixed with the base (21),

the screw rod (31) is fixedly sleeved with the middle part of the nut A (26), and the screw rod (31) and the nut A (26) are positioned in the nozzle (32);

the shifting block (34) is fixedly connected with the nozzle (32), the nut B (35) and the nozzle (32) can only slide but cannot be rotatably installed, the shifting block (34) is spaced from the nut B (35), and the other end of the screw rod (31) can slide, stretch and penetrate through the shifting block (34) and is sleeved with an elastic gasket (37) which is screwed with the nut B (35) in a threaded manner; the elastic gasket (37) provides buffer amount to realize the function that the actuating mechanism (3) can provide buffer force from the inside.

10. The motor assembly according to claim 9, wherein the end of the screw (31) extending out of the nozzle (32) is sleeved with an O-ring (33).