CN212687498U

CN212687498U - Trolley for aviation maintenance

Info

Publication number: CN212687498U
Application number: CN202021017572.8U
Authority: CN
Inventors: 彭冬; 刘凌霄
Original assignee: Chengdu Feiya Airborne Equipment Application Research Co ltd
Current assignee: Chengdu Feiya Airborne Equipment Application Research Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-12
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a trolley for aviation maintenance, which comprises a bottom plate and guide wheels, wherein the bottom of the bottom plate is provided with a plurality of guide wheels, when the airplane is maintained, under the action of the lifting motor, the lifting screw rod, the translation motor, the translation screw rod and the overturning cylinder, maintenance personnel can work at a comfortable position, aiming at the condition of multiple curved surfaces of the airplane, the turnover plate can turn over for a certain angle, the two feet of the maintenance personnel can lean against the stop block to keep balance, so that the maintenance personnel still keep the visual angle of head-up in a comfortable position to maintain the airplane, the maintenance efficiency is accelerated, compared with the folding lifting mechanism adopted in the prior art, the precision is higher by adopting the sliding screw rod, the operation stability is better, when the aircraft is maintained, repeated adjustment can be avoided, so that maintenance personnel can accurately rise to a desired position, and the maintenance efficiency is improved.

Description

Trolley for aviation maintenance

Technical Field

The utility model relates to an aviation maintenance equipment field especially relates to a dolly is used in aviation maintenance.

Background

The aviation maintenance refers to the maintenance and repair of the aircraft and the technical equipment on the aircraft to ensure the safety of the aircraft, and is a precondition and a necessary condition for the use of the aircraft and also an important component of the aviation industry.

Because the aircraft is bulky, maintenance personal often need use the self height of lifting device lifting to carry out maintenance work when the maintenance operation, maintenance device commonly used has adjustable maintenance ladder, the dolly that has folding elevating system etc, adjustable maintenance ladder simple structure, maintenance personal's home range is less, it is very inconvenient to also need climb down the ladder and just can adjust when finely tuning the position, and it can appear rocking at the in-process of lifting height to have folding elevating system's dolly, the adjustment precision is lower, often need operate repeatedly just can adjust to required height, and is inefficient.

Meanwhile, most of the surface of the airplane is in a curved surface shape, when the airplane is maintained, if maintenance personnel are in a horizontal plane, the airplane needs to be maintained by raising the head, so that the airplane is very inconvenient and labor-consuming, and the maintenance personnel work for a long time and are very easy to fatigue, so that the maintenance efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dolly is used in aviation maintenance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the trolley for aviation maintenance comprises a bottom plate and guide wheels, wherein a plurality of guide wheels are arranged at the bottom of the bottom plate, a control cabinet is arranged at the top of the bottom plate, a lifting platform is arranged above the bottom plate, a first driving mechanism used for driving the lifting platform to vertically lift is further arranged on the bottom plate, a translation sliding table is connected to the top of the lifting platform in a sliding mode, a second driving mechanism used for driving the translation sliding table to slide in the horizontal direction is further arranged at the top of the lifting platform, a turnover plate is arranged on the translation sliding table, one side edge of the turnover plate is hinged to the translation sliding table, a second mounting groove is formed in the translation sliding table, a turnover cylinder is arranged in the second mounting groove, a connecting block is arranged at the top end of a piston rod of the turnover cylinder, a sliding pin shaft is arranged on the side face of the connecting block, a connecting plate is arranged at the, A second driving mechanism and a controller for turning over the cylinder.

The turnover plate is kept away from at the top of the turnover plate, and a lifting railing is arranged on one side of the hinged side edge of the horizontal moving sliding table, a safety guardrail is further arranged at the top of the turnover plate, and the safety guardrail and the lifting railing are enclosed.

The top of the turnover plate is also provided with a plurality of stop blocks.

First actuating mechanism includes carriage, elevator motor and lift lead screw, carriage fixed mounting is provided with elevator motor at the bottom plate top on the carriage, and the lift lead screw rotates to be connected in carriage one side, and elevator motor's output shaft is provided with the driving gear, and lift lead screw one end is provided with driven gear, driven gear and driving gear meshing, the last first screw-nut that is provided with of lift platform, first screw-nut and the setting of lift lead screw matching, the last a plurality of lifting slide blocks that are provided with of lift platform, carriage one side are provided with a plurality of lift guide rails, and lift slide block and lift guide rail one-to-one set up and sliding connection, elevator motor passes through wire and controller electric connection.

The lifting screw rod is a sliding screw rod.

The second driving mechanism comprises a translation lead screw and a translation motor, a first mounting groove is formed in the lifting platform, the translation lead screw is connected to the first mounting groove in a rotating mode, the translation motor is arranged on the side face of the lifting platform, an output shaft of the translation motor is connected with the translation lead screw through a coupler, a second lead screw nut matched with the translation lead screw is arranged at the bottom of the translation sliding table, the translation sliding table is connected with the lifting platform in a sliding mode through a translation slide rail, and the translation motor is electrically connected with the controller through a wire.

The utility model has the advantages that:

1. when maintaining the aircraft, under elevator motor, lift lead screw, translation motor, translation lead screw and upset cylinder's effect, make maintenance personal be in its comfortable position and carry out work, to the condition of the many curved surfaces of aircraft, the certain angle can be overturned to the returning face plate, and maintenance personal's both feet instep can support and lean on the dog keep balance, makes maintenance personal still keep the visual angle of looking straight and is in comfortable position and maintain the aircraft for maintenance efficiency.

2. Compared with the folding lifting mechanism adopted in the prior art, the adoption of the sliding screw rod leads the precision to be higher, simultaneously the running stability to be better, when the airplane is maintained, the repeated adjustment can be avoided, so that maintenance personnel can more accurately rise to a desired position, the maintenance efficiency is improved,

drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 in the direction B;

fig. 4 is a schematic structural view of the middle support frame of the present invention.

In the figure, a bottom plate 1, a guide wheel 2, a control cabinet 3, a support frame 4, a lifting motor 5, a driving gear 6, a lifting screw rod 7, a driven gear 8, a lifting guide rail 9, a lifting platform 10, a first mounting groove 11, a translation screw rod 12, a translation motor 13, a first screw rod nut 14, a lifting slider 15, a second screw rod nut 16, a translation sliding table 17, a second mounting groove 18, an overturning cylinder 19, an overturning plate 20, a translation sliding rail 21, a connecting block 22, a sliding pin shaft 23, a connecting plate 24, a strip-shaped hole 25, a safety guardrail 26, a lifting railing 27 and a stop block 28.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

Please refer to fig. 1-4, an embodiment of the present invention provides a trolley for aviation maintenance, including a bottom plate 1 and guide wheels 2, the bottom of the bottom plate 1 is provided with a plurality of guide wheels 2, the top of the bottom plate 1 is provided with a control cabinet 3, a power supply and a controller are provided in the control cabinet 3, the walking and steering of the trolley are controlled by the controller, and the details are not repeated herein for the prior art.

A lifting platform 10 is arranged above a bottom plate 1, a supporting frame 4 is fixedly arranged at the top of the bottom plate 1, a lifting motor 5 is arranged on the supporting frame 4, a lifting screw 7 is rotatably connected to one side of the supporting frame 4, the lifting screw 7 is a sliding screw, compared with a folding lifting mechanism adopted in the prior art, the precision is higher by adopting the sliding screw, the operation stability is better, repeated adjustment can be avoided when an airplane is maintained, so that a maintenance worker can more accurately lift to a desired position, the maintenance efficiency is improved, an output shaft of the lifting motor 5 is provided with a driving gear 6, one end of the lifting screw 7 is provided with a driven gear 8, the driven gear 8 is meshed with the driving gear 6, a first screw nut 14 is arranged on the lifting platform 10, the first screw nut 14 is matched with the lifting screw 7, and a plurality of lifting sliders 15 are arranged on the lifting platform 10, a plurality of lifting guide rails 9 are arranged on one side of the supporting frame 4, and lifting slide blocks 15 are arranged in one-to-one correspondence with the lifting guide rails 9 and are connected in a sliding manner.

Be provided with first mounting groove 11 on

lift platform

10, 11 internal rotations in first mounting groove are connected with translation lead screw 12, translation motor 13 sets up and passes through the shaft coupling and be connected with translation lead screw 12 in lift platform 10 side and translation motor 13's output shaft, translation slip table 17 bottom is provided with the second screw-nut 16 who matches with translation lead screw 12, translation slip table 17 passes through translation slide rail 21 and lift platform 10 sliding connection, make translation slip table 17 can slide at the horizontal plane and then can finely tune the position of whereabouts when maintenance personal high altitude construction, maintenance work for maintenance personal provides very big facility.

Referring to fig. 1, translation slip table 17 is provided with returning face plate 20, the right side of returning face plate 20 is articulated with translation slip table 17, it has second mounting groove 18 to lead to on translation slip table 17, be provided with upset cylinder 19 in the second mounting groove 18, the piston rod top of upset cylinder 19 is provided with connecting block 22, connecting block 22 side is provided with sliding pin axle 23, returning face plate 20 bottom is provided with connecting plate 24, it has bar hole 25 to lead to on the connecting plate 24, sliding pin axle 23 and bar hole 25 sliding connection, returning face plate 20 top left end is provided with lift railing 27, lift railing 27 is prior art, optional electronic lift railing and by controller control, returning face plate 20 top still is provided with safety barrier 26, safety barrier 26 encloses with lift railing 27, the guardrail that encloses can effectual maintainer's safety, returning face plate 20 top still is provided with a plurality of dogs 28.

The lifting motor 5, the translation motor 13, the overturning cylinder 19 and the power supply are electrically connected with the controller through leads.

When maintaining the aircraft, remove the dolly near treating maintenance department, lift railing 27 falls, maintenance person walks into returning face plate 20 top, start elevator motor 5, utilize driving gear 6 and driven gear 8's transmission, drive the rotation of lift lead screw 7, make lift platform 10 promote to the demand height, drive translation lead screw 12 through starting translation motor 13 and rotate, control translation slip table 17 slides, finely tune horizontal position, make maintenance person be in its comfortable position and carry out work, can start the certain angle of 19 drive returning face plates 20 upsets of upset cylinder at this moment, maintenance person's both feet instep can support and lean on dog 28 to keep balanced, maintenance person can still keep the visual angle of looking straight at like this and be in comfortable position and maintain the aircraft, and the maintenance efficiency is accelerated.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a dolly is used in aviation maintenance, includes bottom plate (1) and guide pulley (2), and bottom plate (1) bottom is provided with a plurality of guide pulleys (2), its characterized in that: the lifting device is characterized in that a control cabinet (3) is arranged at the top of the bottom plate (1), a lifting platform (10) is arranged above the bottom plate (1), a first driving mechanism for driving the lifting platform (10) to vertically lift is further arranged on the bottom plate (1), a translation sliding table (17) is connected to the top of the lifting platform (10) in a sliding mode, a second driving mechanism for driving the translation sliding table (17) to slide in the horizontal direction is further arranged at the top of the lifting platform (10), a turnover plate (20) is arranged on the translation sliding table (17), one side edge of the turnover plate (20) is hinged to the translation sliding table (17), a second mounting groove (18) is communicated with the translation sliding table (17), a turnover cylinder (19) is arranged in the second mounting groove (18), a connecting block (22) is arranged at the top end of a piston rod of the turnover cylinder (19), a sliding pin shaft (23) is arranged on the side surface, a strip-shaped hole (25) is formed in the connecting plate (24), the sliding pin shaft (23) is connected with the strip-shaped hole (25) in a sliding mode, and a power source and a controller used for controlling the first driving mechanism, the second driving mechanism and the overturning air cylinder (19) to work are arranged in the control cabinet (3).

2. The vehicle for aviation maintenance according to claim 1, wherein: the top of the turnover plate (20) is far away from the side edge where the turnover plate (20) is hinged with the translation sliding table (17), a lifting railing (27) is arranged on one side, a safety guardrail (26) is further arranged on the top of the turnover plate (20), and the safety guardrail (26) and the lifting railing (27) are enclosed.

3. The vehicle for aviation maintenance according to claim 1, wherein: the top of the turnover plate (20) is also provided with a plurality of stop blocks (28).

4. The vehicle for aviation maintenance according to claim 1, wherein: the first driving mechanism comprises a supporting frame (4), a lifting motor (5) and a lifting screw rod (7), the supporting frame (4) is fixedly arranged at the top of the bottom plate (1), the lifting motor (5) is arranged on the supporting frame (4), the lifting screw rod (7) is rotatably connected to one side of the supporting frame (4), an output shaft of the lifting motor (5) is provided with a driving gear (6), one end of the lifting screw rod (7) is provided with a driven gear (8), the driven gear (8) is meshed with the driving gear (6), a first screw rod nut (14) is arranged on the lifting platform (10), the first screw rod nut (14) is matched with the lifting screw rod (7), a plurality of lifting slide blocks (15) are arranged on the lifting platform (10), a plurality of lifting guide rails (9) are arranged on one side of the supporting frame (4), and the lifting slide blocks (15) are arranged in one-to-one correspondence with the, the lifting motor (5) is electrically connected with the controller through a lead.

5. The vehicle for aviation maintenance according to claim 4, wherein: the lifting screw rod (7) is a sliding screw rod.

6. The vehicle for aviation maintenance according to claim 1, wherein: second actuating mechanism includes translation lead screw (12) and translation motor (13), be provided with first mounting groove (11) on lift platform (10), first mounting groove (11) internal rotation is connected with translation lead screw (12), and translation motor (13) set up to be connected with translation lead screw (12) at lift platform (10) side and translation motor's (13) output shaft through the shaft coupling, translation slip table (17) bottom is provided with second screw-nut (16) that matches with translation lead screw (12), and translation slip table (17) are through translation slide rail (21) and lift platform (10) sliding connection, translation motor (13) are through wire and controller electric connection.