CN217838313U

CN217838313U - Synchronous lifting mechanism for aircraft maintenance platform

Info

Publication number: CN217838313U
Application number: CN202221596013.6U
Authority: CN
Inventors: 郑玉龙; 黄宇; 刘宗涛; 郭祥云
Original assignee: Lingyun Yichang Aviation Equipment Engineering Co ltd; Lingyun Science and Technology Group Co Ltd
Current assignee: Lingyun Yichang Aviation Equipment Engineering Co ltd; Lingyun Science and Technology Group Co Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-18
Anticipated expiration: 2032-06-24

Abstract

The utility model provides a synchronous lifting mechanism for an aircraft maintenance platform, which comprises a base, wherein a trapezoidal frame is fixed at the top of the base, a top plate is fixed at the top end of the trapezoidal frame, and lifting guide rails are fixed in parallel at the middle parts of the base and the top plate; there is the lifter plate through multiunit direction wheelset slidable mounting between the riser guide, and the front of lifter plate links to each other with the cooperation of overhauing the platform, and the back of lifter plate is fixed with the back mount pad, is fixed with the screw on the back mount pad, and the screw constitutes lead screw transmission cooperation with the lead screw, and the lead screw links to each other with the lift power device output of fixing on the roof top. This synchronous elevating system can be used for overhauing the platform to the aircraft and support, can realize overhauing the high regulation of platform moreover in the maintenance in-process to satisfy the altitude mixture control requirement of overhauing.

Description

Synchronous lifting mechanism for aircraft maintenance platform

Technical Field

The utility model relates to an aircraft maintenance technical field, concretely relates to aircraft maintenance platform is with synchronous elevating system.

Background

In the aircraft maintenance process, the maintenance platform is required to be used, and in order to adapt to different maintenance heights, the maintenance platform is required to be adjusted according to the actual maintenance height requirement. Therefore, a lifting mechanism is required to adjust the height of the maintenance platform supported by the lifting mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art not enough, providing an aircraft maintenance is synchronous elevating system for platform, this synchronous elevating system can be used for overhauing the platform to the aircraft and support, can overhaul the in-process moreover, realizes highly adjusting the maintenance platform to satisfy the altitude mixture control requirement of overhauing.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a synchronous lifting mechanism for an aircraft maintenance platform comprises a base, wherein a trapezoidal frame is fixed at the top of the base, a top plate is fixed at the top end of the trapezoidal frame, and lifting guide rails are fixed in parallel at the middle parts of the base and the top plate; there is the lifter plate through multiunit direction wheelset slidable mounting between the riser guide, and the front of lifter plate links to each other with the maintenance platform cooperation, and the back of lifter plate is fixed with the back mount pad, is fixed with the screw on the back mount pad, and the screw constitutes the screw rod transmission cooperation with the lead screw, and the lead screw links to each other with the lift power device output of fixing on the roof top.

The lifting guide rail is formed by cutting channel steel.

The guide wheel set comprises a guide wheel mounting seat, and vertical idler wheels are supported and mounted on the guide wheel mounting seat through a transverse shaft; and the guide wheel mounting seat is provided with a transverse roller through a longitudinal shaft support.

The number of the longitudinal shafts is two, and the longitudinal shafts are arranged on the guide wheel mounting seat in parallel.

The lifting power device comprises a motor fixed at the top of the top plate, an output shaft of the motor is connected with the speed reducer through a coupler, and an output shaft of the speed reducer is connected with the screw rod.

Access bolt holes are processed on the lifting guide rail and the back mounting seat, and during maintenance, maintenance bolts are inserted in the access bolt holes; when the lifting device is lifted, the maintenance bolt is stored on the bolt storage station of the back mounting seat.

And a stay wire displacement sensor is arranged between the bottom end of the top plate and the top end of the back mounting seat.

The front of the lifting plate is fixedly connected with a platform supporting leg of the maintenance platform through a connecting frame.

The utility model discloses there is following beneficial effect:

1. this synchronous elevating system can be used for overhauing the platform to the aircraft and support, can realize adjusting the altitude of overhauing the platform moreover at the maintenance in-process to satisfy the altitude mixture control requirement of overhauing.

2. Electric synchronous lifting: the motor is used for driving the speed reducer to drive the screw rod to achieve electric lifting of the lifting plates, the stay wire displacement sensor is used for monitoring displacement of each leg lifting plate, and the motor is controlled to achieve synchronous displacement of each leg, so that synchronous lifting of four legs is achieved.

3. Convenient maintenance: the lifting screw rod is designed in an exposed mode, so that the abrasion condition can be conveniently checked, oiling and maintenance can be conveniently carried out, the screw rod is connected with the screw rod sleeve through a transverse pin, the overhaul safety bolt is inserted into a working position when the screw rod is disassembled, and the screw rod and a screw nut can be conveniently disassembled.

4. The stability is strong: the base is the wide body base, passes through buried bolt connection fastening in advance with ground, and intensity and rigidity are good, and stability is strong, and the maintenance platform rocks for a short time.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a first perspective three-dimensional view of the present invention.

Fig. 2 is a second perspective three-dimensional view of the present invention.

Fig. 3 is a third perspective three-dimensional view of the present invention.

In the figure: the device comprises a motor 1, a coupler 2, a speed reducer 3, a top plate 4, a lifting guide rail 5, a stay wire displacement sensor 6, a lead screw 7, a trapezoidal frame 8, a guide wheel set 9, a lifting plate 10, a base 11, an inspection bolt hole 12, a back mounting seat 13, a nut 14, a bolt storage station 15, an inspection bolt 16, a transverse shaft 17, a vertical roller 18, a guide wheel mounting seat 19, a longitudinal shaft 20, a transverse roller 21, a platform supporting leg 22 and a connecting frame 23.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1-3, a synchronous lifting mechanism for an aircraft maintenance platform comprises a base 11, a trapezoidal frame 8 is fixed on the top of the base 11, a top plate 4 is fixed on the top end of the trapezoidal frame 8, and a lifting guide rail 5 is fixed in parallel between the base 11 and the top plate 4; there is lifter plate 10 through multiunit direction wheelset 9 slidable mounting between the lift guide 5, and lifter plate 10's front links to each other with the cooperation of overhauing the platform, and lifter plate 10's back is fixed with back mount pad 13, is fixed with screw 14 on the back mount pad 13, and screw 14 constitutes lead screw transmission cooperation with lead screw 7, and lead screw 7 links to each other with the lift power device output of fixing on roof 4 top. This synchronous elevating system can be used for overhauing the platform to the aircraft and support, can realize overhauing the high regulation of platform moreover in the maintenance in-process to satisfy the altitude mixture control requirement of overhauing. In the lifting adjusting process, the lifting power device is started, the screw rod 7 is driven by the lifting power device, the screw rod 7 drives the screw 14, the lifting plate 10 connected with the screw is driven by the screw 14 to lift along the lifting guide rail 5, and the maintenance platform is driven to lift.

Furthermore, the lifting guide rail 5 is formed by cutting channel steel. The channel steel simplifies the structure and reduces the equipment cost.

Further, the guide wheel set 9 comprises a guide wheel mounting seat 19, and a vertical roller 18 is supported and mounted on the guide wheel mounting seat 19 through a cross shaft 17; idler mounts 19 have transverse rollers 21 supported thereon by longitudinal shafts 20. The vertical roller 18 and the transverse roller 21 are in sliding guide fit with the lifting guide rail 5, so that the stability of the lifting plate 10 in the lifting process is ensured, and the safety of the lifting process is ensured.

Further, the longitudinal shafts 20 are two in number and are arranged on the guide wheel mounting seat 19 in parallel. Just contact the cooperation with the inside wall of channel-section steel through foretell two sets of horizontal gyro wheels 21, and then realized the spacing effect of direction.

Furthermore, the lifting power device comprises a motor 1 fixed on the top of the top plate 4, an output shaft of the motor 1 is connected with a speed reducer 3 through a coupler 2, and an output shaft of the speed reducer 3 is connected with a screw rod 7. The lifting power device can be used for providing lifting power. In the working process, the coupling 2 is driven by the motor 1, the speed reducer 3 is driven by the coupling 2, and the lead screw 7 is driven by the speed reducer 3.

Furthermore, access bolt holes 12 are processed on the lifting guide rail 5 and the back mounting base 13, and during access, access bolts 16 are inserted into the access bolt holes 12; during lifting, the maintenance bolt 16 is stored on the bolt storage station 15 of the back mounting seat 13. Through the maintenance bolt 16, the locking limit between the lifting guide rail 5 and the lifting plate 10 can be realized, the maintenance process is ensured, the maintenance platform cannot be displaced, and the safety of the maintenance process is further ensured.

Furthermore, a stay wire displacement sensor 6 is arranged between the bottom end of the top plate 4 and the top end of the back mounting seat 13. The displacement of each leg lifting plate is monitored by the stay wire displacement sensor 6, and the displacement synchronization of each leg is realized by controlling the motor, so that the synchronous lifting of four legs is realized.

Furthermore, the front surface of the lifting plate 10 is fixedly connected with the platform supporting leg 22 of the maintenance platform through a connecting frame 23. Through foretell fixed mounting structure, guaranteed to overhaul the stability and the reliability that the platform supported fixedly.

The utility model discloses a working process and principle:

through the device, when the maintenance platform needs to be lifted and adjusted, only the lifting power device needs to be started, the motor 1 drives the coupler 2, the coupler 2 drives the speed reducer 3, the speed reducer 3 drives the lead screw 7, the lead screw 7 drives the nut 14, the nut 14 drives the lifting plate 10 connected with the lead screw to lift along the lifting guide rail 5, and the maintenance platform is driven to lift; in the lifting process, the displacement of each leg lifting plate is monitored by a stay wire displacement sensor 6, and the displacement synchronization of each leg is realized by controlling a motor, so that the synchronous lifting of four legs is realized; and after the maintenance platform rises to a specified height, inserting maintenance bolts 16 into the maintenance bolt holes 12 to realize the locking and fixing of the maintenance platform.

Claims

1. The utility model provides an aircraft maintenance platform is with synchronous elevating system which characterized in that: the lifting device comprises a base (11), wherein a trapezoidal frame (8) is fixed on the top of the base (11), a top plate (4) is fixed on the top end of the trapezoidal frame (8), and a lifting guide rail (5) is fixed in parallel between the base (11) and the top plate (4); there are lifter plate (10) through multiunit direction wheelset (9) slidable mounting between lift guide (5), the front of lifter plate (10) links to each other with the cooperation of maintenance platform, the back of lifter plate (10) is fixed with back mount pad (13), is fixed with screw (14) on back mount pad (13), screw (14) constitute lead screw transmission cooperation with lead screw (7), lead screw (7) link to each other with the lift power device output of fixing on roof (4) top.

2. The synchronous lifting mechanism for an aircraft maintenance platform according to claim 1, wherein: the lifting guide rail (5) is formed by cutting channel steel.

3. The synchronous lifting mechanism for the aircraft maintenance platform according to claim 1, wherein: the guide wheel set (9) comprises a guide wheel mounting seat (19), and a vertical roller (18) is supported and mounted on the guide wheel mounting seat (19) through a transverse shaft (17); and a transverse roller (21) is supported and mounted on the guide wheel mounting seat (19) through a longitudinal shaft (20).

4. The synchronous lifting mechanism for the aircraft maintenance platform according to claim 3, wherein: the number of the longitudinal shafts (20) is two, and the longitudinal shafts are arranged on the guide wheel mounting seat (19) in parallel.

5. The synchronous lifting mechanism for an aircraft maintenance platform according to claim 1, wherein: the lifting power device comprises a motor (1) fixed to the top of the top plate (4), an output shaft of the motor (1) is connected with the speed reducer (3) through a coupler (2), and an output shaft of the speed reducer (3) is connected with the screw rod (7).

6. The synchronous lifting mechanism for the aircraft maintenance platform according to claim 1, wherein: overhauling bolt holes (12) are formed in the lifting guide rail (5) and the back mounting seat (13), and in overhauling, overhauling bolts (16) are inserted in the overhauling bolt holes (12); when the lifting is carried out, the maintenance bolt (16) is stored on the bolt storage station (15) of the back mounting seat (13).

7. The synchronous lifting mechanism for an aircraft maintenance platform according to claim 1, wherein: and a stay wire displacement sensor (6) is arranged between the bottom end of the top plate (4) and the top end of the back mounting seat (13).

8. The synchronous lifting mechanism for an aircraft maintenance platform according to claim 1, wherein: the front surface of the lifting plate (10) is fixedly connected with a platform supporting leg (22) of the maintenance platform through a connecting frame (23).