CN216483935U

CN216483935U - Automatic running-in device of clutch for aviation actuating device

Info

Publication number: CN216483935U
Application number: CN202122282158.0U
Authority: CN
Inventors: 石景奇; 卢治国; 王彦军; 关成华; 石景琦; 贾鹏宇; 李永利; 崔晓玉; 刘傲东; 彭宇
Original assignee: AECC Harbin Dongan Engine Co Ltd
Current assignee: AECC Harbin Dongan Engine Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-05-10
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses an automatic running-in device of a clutch for an aviation actuating device, which comprises a base, a torque protection device, a motor, a bracket, a PLC (programmable logic controller), a direct-current voltage-stabilized power supply and the clutch, wherein: the support is arranged above the base, the motor is arranged on the support, an output shaft of the motor is vertically downward, the torque protection device is used for adjusting the output torque from the motor to the clutch, the input end of the torque protection device is connected with the output shaft of the motor, and the output end of the torque protection device is matched with the clutch; the clutch is fixed in a mounting groove on the base, the PLC is used for setting a power supply program of the motor, and the rotation time and the intermittent time of the motor are controlled by the direct-current stabilized power supply; the PLC is also used for setting the working mode of the motor. The device solves the technical difficulty that the rotating speed and the torque are unstable when the clutch is in running-in, can automatically carry out a running-in test, does not need manual counting, and can accurately carry out the test according to the running-in requirement.

Description

Automatic running-in device of clutch for aviation actuating device

Technical Field

The utility model relates to the technical field of mechanical transmission, in particular to an automatic running-in device of a clutch for an aviation actuating device.

Background

The clutch inside the aviation actuating device needs to be subjected to a running-in test before use, and the use stability of the clutch is verified. The running-in test conditions are that the positive rotation and the negative rotation (the rotating speed is less than or equal to N) are carried out for N times of 360-degree rotation, the running-in is continued after the rest of Y (min) is stopped every X times of rotation, and the testing clutch moment is required to be not more than T (N.m) in the running-in process.

In the current stage, the testing method is to use a digital display torque wrench and a clamping tool to carry out manual running-in, the torque wrench is rotated by hands, if the number of readings of the torque wrench is observed to be not more than T (N.m) in the rotating process, the torque wrench is rotated for 360 degrees to be effective running-in once, the method has the advantages of low running-in efficiency, unstable rotating speed and running-in torque during running-in, and easy eccentric wear of the clutch. Meanwhile, the running-in times are counted manually, so that the condition of less running-in or over running-in is easily caused.

Disclosure of Invention

The utility model aims to provide an automatic running-in device of a clutch for an aviation actuating device, which solves the technical difficulties of unstable rotating speed and torque when the clutch is in running-in, can automatically carry out a running-in test, does not need manual counting, and accurately carries out the test according to the running-in requirement.

In order to realize the task, the utility model adopts the following technical scheme:

the utility model provides an automatic running-in device of clutch for device is actuated in aviation, includes base, moment of torsion protection device, motor, support, PLC controller, direct current constant voltage power supply and clutch, wherein:

the support is arranged above the base, the motor is arranged on the support, an output shaft of the motor is vertically downward, the torque protection device is used for adjusting the output torque from the motor to the clutch, the input end of the torque protection device is connected with the output shaft of the motor, and the output end of the torque protection device is matched with the clutch; the clutch is fixed in a mounting groove on the base, the PLC is used for setting a power supply program of the motor, and the rotation time and the intermittent time of the motor are controlled by the direct-current stabilized power supply; the PLC is also used for setting the working mode of the motor.

Furthermore, an inner hole coaxial with the mounting groove on the base is formed in the support, a spigot is formed in the end of the motor, and the motor is mounted through the cooperation of the spigot and the inner hole; and a pressing device for fixing the motor is also arranged on the bracket.

Further, the torque protection device comprises a clutch ring, a speed reducer, a shell, a steel ball, a brake frame, a spring and an end cover, the spring is compressed after the end cover is screwed down, and protection torque is adjusted, wherein:

the end cover is connected to the lower end of the outer part of the shell in a threaded fit mode, the clutch ring is assembled in the shell, the speed reducer is installed in the clutch ring, and the upper end of the shell is provided with the limiting plate; a brake frame is arranged in the end cover, a push rod is arranged on the brake frame, a through hole is formed in the bottom of the shell, the end part of the push rod is inserted into the through hole, a steel ball is arranged between the end part of the push rod and the bottom of the clutch ring, and a rolling groove matched with the steel ball is formed in the bottom of the clutch ring; the spring is arranged between the bottom of the braking frame and the end cover.

Furthermore, a limiting cylinder is axially arranged at the bottom of the shell, penetrates through the brake frame, and is sleeved with a spring.

Further, the speed reducer is of a two-stage structure:

the first-stage speed reducer comprises a first-stage gear rack, and a first-stage transmission gear is coaxially arranged at the lower end of the first-stage gear rack; a plurality of first-stage pinion gears are distributed on the upper part of the first-stage gear carrier in the circumferential direction through gear shafts; the inner wall of the clutch ring is of a tooth-shaped structure, and the primary pinion is meshed with the tooth-shaped structure; a driving gear is arranged on an output shaft of the motor and is meshed with the primary pinion;

the second-stage speed reducer comprises a second-stage gear carrier, the lower end of the second-stage gear carrier is coaxially provided with an output shaft, and the lower end of the output shaft penetrates through the shell and the end cover and is connected with the clutch connecting interface; a plurality of secondary pinion gears are distributed on the upper portion of the secondary gear rack in the circumferential direction through gear shafts, and the secondary pinion gears are meshed with the primary transmission gear and simultaneously meshed with a tooth-shaped structure of the clutch ring.

Further, a gear shaft to which the primary transmission gear is mounted is inserted into a center hole of the secondary gear carrier, coaxially.

Compared with the prior art, the utility model has the following technical characteristics:

1. the automatic running-in device can be used for automatically completing the running-in test of the clutch of the actuating device, and the running-in efficiency is improved.

2. The automatic running-in device can accurately guarantee the running-in torque and the running-in rotating speed, and the running-in accuracy is improved.

3. The maximum running-in torque can be set by using the automatic running-in device according to the clutch use parameters, so that the running-in test of the clutch under the specified torque can be ensured, and the torque transmission can be disconnected after the clutch torque is increased, thereby protecting the clutch.

4. The automatic running-in device is controlled by the PLC, can accurately set running-in steering, running-in times and running-in angles according to running-in test conditions, solves the problem of inaccurate manual counting, and avoids the clutch from running in less or running in too much.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a torque protection device portion.

The reference numbers in the figures illustrate: the device comprises a base 1, a torque protection device 2, a motor 3, a support 4, a PLC 5, a DC stabilized power supply 6, a clutch 7, a clutch ring 8, a speed reducer 9, a shell 10, steel balls 11, a brake frame 12, a spring 13, an end cover 14, a gear frame 15, a pinion 16, a pinion 17, a pinion 18, a pinion 19, a gear frame 20, an output shaft 21, a push rod 21, a limiting cylinder 22, a clutch connecting interface 23 and a limiting plate 24.

Detailed Description

Referring to the attached drawings, the utility model provides an automatic running-in device of a clutch for an aviation actuating device, which comprises a base 1, a torque protection device 2, an adjustable constant-torque output motor 3, a support 4, a PLC (programmable logic controller) 5, a direct-current stabilized voltage power supply 6 and a clutch 7, wherein:

the bracket 4 is arranged above the base 1 and forms a basic frame of the device; the motor 3 is arranged on the bracket 4, the output shaft 20 is vertically downward, the torque protection device 2 is used for adjusting the output torque from the motor 3 to the clutch 7, the input end of the torque protection device 2 is connected with the output shaft 20 of the motor 3, and the output end of the torque protection device 2 is matched with the clutch 7; the base 1 is provided with an installation groove, and the clutch 7 is fixed in the installation groove; the PLC 5 is used for setting a power supply program of the motor 3, reasonably controlling the rotation time and the intermittent time of the motor 3 through the direct-current stabilized power supply 6 and ensuring that the motor 3 can intermittently run for a long time; meanwhile, the PLC 5 is also used for setting the working mode of the motor 3, so that the motor 3 is reversed, and the clutch 7 can be ensured to be run-in according to different steering directions.

In the embodiment, the motor 3 penetrates through the support 4 from top to bottom for installation, specifically, an inner hole coaxial with the installation groove on the base 1 is arranged on the support 4, a spigot is arranged at the end of the motor 3, and the motor 3 is installed through the cooperation of the spigot and the inner hole; a holding-down device for fixing the electric motor 3 is also provided on the support 4 in order to avoid possible axial movements of the electric motor 3 during operation.

In this scheme, as shown in fig. 2, the torque protection device 2 includes a clutch ring 8, a speed reducer 9, a housing 10, a steel ball 11, a brake frame 12, a spring 13, and an end cover 14, and the spring 13 is compressed after the end cover 14 is tightened, so as to adjust the protection torque, wherein:

the end cover 14 is connected to the lower end of the outer part of the shell 10 in a threaded fit mode, the clutch ring 8 is assembled in the shell 10, the speed reducer 9 is installed in the clutch ring 8, and the upper end of the shell 10 is provided with a limit plate 24; a brake frame 12 is arranged in the end cover 14, a push rod 21 is arranged on the brake frame 12, a through hole is formed in the bottom of the shell 10, the end of the push rod 21 is inserted into the through hole, a steel ball 11 is arranged between the end of the push rod 21 and the bottom of the clutch ring 8, and a rolling groove matched with the steel ball 11 is formed in the bottom of the clutch ring 8; the spring 13 is disposed between the bottom of the brake spider 12 and the end cap 14.

In the device, an end cover 14 and the outer part of a shell 10 are in a threaded fit mode, when the end cover 14 is screwed up, a spring 13 is pushed to drive a brake frame 12 to move upwards, and the brake frame 12 pushes a steel ball 11 to drive a clutch ring 8 to move upwards in the shell 10; a limit plate 24 for limiting the clutch ring 8 is arranged at the upper end of the shell 10, when the clutch ring 8 is contacted with the limit plate 24, the clutch ring 8 can not rotate continuously, and the torque can be normally transmitted; the magnitude of torque transmission can be adjusted by controlling the magnitude of the pressure of the engaging ring 8 in contact with the retainer plate 24.

Further, in order to radially limit the brake frame 12 and the spring 13, a limiting cylinder 22 is axially arranged at the bottom of the housing 10, the limiting cylinder 22 penetrates through the brake frame 12, and the spring 13 is sleeved on the limiting cylinder 22.

Referring to fig. 2, a speed reducer 9 is designed in the clutch ring 8, and the speed reducer 9 has a two-stage structure:

the first-stage speed reducer comprises a first-stage gear rack 15, and a first-stage transmission gear 17 is coaxially arranged at the lower end of the first-stage gear rack 15; a plurality of primary pinion gears 16 are distributed on the upper part of the primary gear rack 15 in the circumferential direction through gear shafts; the inner wall of the clutch ring 8 is of a tooth-shaped structure, and a primary pinion 16 is meshed with the tooth-shaped structure; a drive gear is mounted on the output shaft 20 of the motor 3 and meshes with the primary pinion 16.

The second-stage speed reducer comprises a second-stage gear rack 19, an output shaft 20 is coaxially arranged at the lower end of the second-stage gear rack 19, the lower end of the output shaft 20 penetrates through the shell 10 and the end cover 14 (passes through the limiting cylinder 22), and is connected with a connecting interface 23 of the clutch 7; a plurality of secondary pinion gears 18 are distributed on the upper part of the secondary gear rack 19 in the circumferential direction through gear shafts, and the secondary pinion gears 18 are meshed with the primary transmission gear 17 and simultaneously meshed with the tooth-shaped structure of the clutch ring 8; the gear shaft on which the primary transmission gear 17 is mounted is inserted into the center hole of the secondary gear carrier 19, ensuring that the two are coaxial.

The operating principle of the speed reducer 9 is as follows:

when the clutch ring 8 is not pressed by the steel balls 11, the clutch ring 8 can rotate freely in the shell 10, the driving gear of the motor drives the first-level pinion 16 to rotate, so that the clutch ring 8 is driven to rotate, and the output torque of the motor cannot be transmitted to the second-level speed reducer through the first-level speed reducer.

When the clutch ring 8 is pressed by the steel balls 11 and is relatively static with the limit plate 24, the primary pinion 16 cannot rotate to drive the clutch ring 8 to rotate, and the primary pinion 16 drives the secondary gear carrier 19 to rotate through the primary transmission gear 17 and the secondary pinion 18 during the rotation process, so that the torque is output through the output shaft 20.

The pressing degree between the clutch ring 8 and the limit plate 24 is adjusted through the steel balls 11, when the pressure of the steel balls 11 is high, the clutch ring 8 is less likely to rotate under the driving of the primary speed reducer, and the torque output through the output shaft 20 is relatively large at the moment; otherwise, the ratio is smaller; by the principle, the output torque can be adjusted by utilizing the screwing degree of the end cover 14.

The base 1 is in small clearance fit with a cylindrical pin on the clutch 7 and the excircle of the clutch 7 through a bottom hole, so that the clutch 7 is firmly fixed and does not shake during working. The torque protection device 2 can transmit constant torque, and when the torque of the clutch 7 is not changed, the rotating speed is not changed; the torque protection device 2 can set the maximum transmission torque, and when the torque of the clutch 7 is increased and exceeds the maximum transmission torque, the clutch 7 can slip in time, so that the clutch 7 is prevented from running in under the condition of large torque.

This scheme can be through PLC control motor 3 in the same direction as, anticlockwise switching-over, can set up fixed torque value, rotation angle, intermittent time and duty cycle simultaneously, can satisfy the operating condition that clutch 7 break-in. Through using torque protection device 2, the moment of torsion that the regulation clutch 7 that can be accurate born guarantees not to exceed the maximum torque that clutch 7 work required, avoids clutch 7 to carry out the running-in test under big moment of torsion operating mode.

Examples

1. Use of the device

Firstly, according to the clutch running-in condition, the output torque of the motor is adjusted to be slightly larger than the maximum torque borne by the clutch, and the rotating speed is adjusted.

And the torque output protection value of the adjusting device is the maximum torque value of the clutch.

And thirdly, placing the clutch in the large hole of the base, and enabling the cylindrical pin to enter the two small round holes of the base and to be in contact with the bottom of the hole, so as to ensure that the clutch is fixed firmly.

And fourthly, mounting the torque protection device and the motor, penetrating the motor through an inner hole of the bracket, and fixing the motor by using the pressing device.

Designing a PLC programmable controller according to the running-in times of the clutch and the running-in circulation requirement.

Sixthly, the power is switched on, and the running-in is automatically stopped after the running-in is carried out for a specified number of times according to the running-in conditions.

2. Application prospect of the device

The device is suitable for running-in tests of clutches for various aviation actuating devices, and can meet running-in requirements of different clutches by adjusting the torque of the motor, the torque value of the torque protection device and setting PLC parameters. Carry out the running-in through this device and test, effectively solved the running-in moment that original test mode brought, the unsafe technical problem of rotational speed, automatic running-in has accelerated the experimental progress of running-in simultaneously, promotes running-in efficiency, guarantees the accuracy of running-in.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equally replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application, and are intended to be included within the scope of the present application.

Claims

1. The utility model provides an automatic running-in device of clutch for device is actuated in aviation, its characterized in that, includes base (1), moment of torsion protection device (2), motor (3), support (4), PLC controller (5), direct current constant voltage power supply (6) and clutch (7), wherein:

the support (4) is arranged above the base (1), the motor (3) is installed on the support (4), the output shaft (20) is vertically downward, the torque protection device (2) is used for adjusting the output torque from the motor (3) to the clutch (7), the input end of the torque protection device (2) is connected with the output shaft (20) of the motor (3), and the output end of the torque protection device (2) is matched with the clutch (7); the clutch (7) is fixed in a mounting groove on the base (1), the PLC (5) is used for setting a power supply program of the motor (3), and the rotation time and the intermittent time of the motor (3) are controlled by the direct-current stabilized voltage power supply (6); the PLC controller (5) is also used for setting the working mode of the motor (3).

2. The automatic running-in device of the clutch for the aviation actuating device is characterized in that an inner hole coaxial with the mounting groove on the base (1) is formed in the support (4), a spigot is formed at the end part of the motor (3), and the motor (3) is mounted through the cooperation of the spigot and the inner hole; the bracket (4) is also provided with a pressing device for fixing the motor (3).

3. The automatic break-in device of clutch for aviation actuating device according to claim 1, characterized in that, the torque protection device (2) includes a clutch ring (8), a reducer (9), a housing (10), a steel ball (11), a brake bracket (12), a spring (13) and an end cover (14), wherein:

the end cover (14) is connected to the lower end of the outer part of the shell (10) in a threaded fit mode, the clutch ring (8) is assembled in the shell (10), the speed reducer (9) is installed in the clutch ring (8), and the upper end of the shell (10) is provided with a limiting plate (24); a brake frame (12) is arranged in the end cover (14), a push rod (21) is arranged on the brake frame (12), a through hole is formed in the bottom of the shell (10), the end of the push rod (21) is inserted into the through hole, a steel ball (11) is arranged between the end of the push rod (21) and the bottom of the clutch ring (8), and a rolling groove matched with the steel ball (11) is formed in the bottom of the clutch ring (8); the spring (13) is arranged between the bottom of the braking frame (12) and the end cover (14).

4. The automatic running-in device of the clutch for the aviation actuating device is characterized in that a limiting cylinder (22) is axially arranged at the bottom of the shell (10), the limiting cylinder (22) penetrates through the brake frame (12), and the spring (13) is sleeved on the limiting cylinder (22).

5. The automatic running-in device of a clutch for an aeronautical actuation device according to claim 3, characterized in that the reducer (9) is of a two-stage structure:

the first-stage speed reducer comprises a first-stage gear rack (15), and a first-stage transmission gear (17) is coaxially arranged at the lower end of the first-stage gear rack (15); a plurality of primary pinion gears (16) are distributed on the upper part of the primary gear rack (15) in the circumferential direction through gear shafts; the inner wall of the clutch ring (8) is of a tooth-shaped structure, and a primary pinion (16) is meshed with the tooth-shaped structure; a driving gear is arranged on an output shaft (20) of the motor (3), and the driving gear is meshed with the primary pinion (16);

the second-stage speed reducer comprises a second-stage gear rack (19), an output shaft (20) is coaxially arranged at the lower end of the second-stage gear rack (19), and the lower end of the output shaft (20) penetrates through the shell (10) and the end cover (14) and is connected with a connecting interface (23) of the clutch (7); a plurality of secondary pinions (18) are distributed on the upper portion of the secondary gear rack (19) in the circumferential direction through gear shafts, and the secondary pinions (18) are meshed with the primary transmission gear (17) and simultaneously meshed with a tooth-shaped structure of the clutch ring (8).

6. The automatic running-in device of a clutch for an aero-actuated device according to claim 5, wherein a gear shaft mounting the primary transmission gear (17) is inserted into a center hole of the secondary carrier (19).