CN211110947U

CN211110947U - Special maintenance platform for airplane

Info

Publication number: CN211110947U
Application number: CN201922074261.9U
Authority: CN
Inventors: 张良云
Original assignee: Changsha Changyu Commercial Equipment Co ltd
Current assignee: Changsha Changyu Commercial Equipment Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-28
Anticipated expiration: 2029-11-27

Abstract

The utility model provides a platform is maintained in special maintenance of aircraft. The special maintenance platform for the airplane comprises a chassis, a lifting mechanism, a bearing platform, a sliding platform and a retracting platform which are arranged in sequence; the sliding platform is arranged on the top surface of the bearing platform in a slidable structure, and the sliding direction of the sliding platform relative to the bearing platform is vertical to the lifting direction of the lifting mechanism; the retractable platform is arranged at one end of the bearing platform in a rotatable structure, and the rotation direction of the retractable platform is parallel to the sliding direction of the sliding platform. The utility model provides a special maintenance platform that overhauls of aircraft has solved prior art's aircraft maintenance platform and has had the technical problem that the operation is inconvenient, influence safety.

Description

Special maintenance platform for airplane

Technical Field

The utility model relates to an overhaul the maintenance platform field, concretely relates to special maintenance platform of aircraft.

Background

At present, when an airplane is overhauled, workers stand on the ground to work or climb to an overhauling platform through stairs to overhaul. However, most of the existing maintenance platforms can not adjust the height of the maintenance position according to the requirement. Under the condition of improper height, the worker can only operate in the squatting position, the prone position and other positions, so that the inconvenience of the operator can be caused, and the personal safety is influenced.

And even if can height-adjusting, because the fuselage of aircraft is the arc, overhaul the platform after the altitude change can not be fine with the fuselage laminating. A large gap exists between a worker and the machine body, and the problems of inconvenient operation and influence on personal safety can be caused.

The aircraft needs to be hoisted when the engine is disassembled, and no obstacles are required to be arranged near the engine, so that the maintenance platform can only be arranged aside. After the disassembly is finished, when the mounting position needs to be overhauled, the operating personnel does not have proper foot-falling points. The problems of inconvenient operation and influence on personal safety also exist.

SUMMERY OF THE UTILITY MODEL

The technical problem that the platform is overhauled to the aircraft of solving prior art has the operation inconvenience, influences safety, the utility model provides a solve the special maintenance platform that overhauls of aircraft of above-mentioned problem.

A maintenance platform special for an airplane comprises a chassis, a lifting mechanism, a bearing platform, a sliding platform and a retracting platform which are sequentially arranged; the sliding platform is arranged on the top surface of the bearing platform in a slidable structure, and the sliding direction of the sliding platform relative to the bearing platform is vertical to the lifting direction of the lifting mechanism; the retractable platform is arranged at one end of the bearing platform in a rotatable structure, and the rotation direction of the retractable platform is parallel to the sliding direction of the sliding platform.

In the preferred embodiment of the maintenance platform for aircraft maintenance, the lifting mechanism is a scissor hydraulic lift.

The utility model provides a special maintenance platform that overhauls of aircraft in a preferred embodiment, the bottom on chassis is equipped with a plurality of heavy level (l) ing and supports the universal wheel, and the top is equipped with battery box and hydraulic pressure station, hydraulic pressure station with elevating system passes through the hydraulic pressure oil circuit and connects.

The utility model provides a special maintenance platform that overhauls of aircraft in a preferred embodiment, load-bearing platform's top surface is with the perpendicular to elevating system's the angle of lift direction is equipped with one or more spouts, sliding platform locates in the spout.

The edge of load-bearing platform is equipped with a sand grip with the angle of perpendicular to slip direction, the bottom of sliding platform parallel be equipped with the multichannel with the recess of sand grip looks adaptation.

The utility model provides a special maintenance platform that overhauls of aircraft in a preferred embodiment, load-bearing platform's top surface is equipped with capstan winch, pulley, the rope of capstan winch is walked around behind the pulley, with receive and release the platform and keep away from load-bearing platform's one end is connected.

The top surface of the bearing platform is sequentially provided with a winch, a first pulley and a stand column in the direction gradually approaching the retracting platform, the top of the stand column is also provided with a second pulley, and a rope of the winch is wound through the first pulley and the second pulley below and wound through the upper part and is connected with one end of the retracting platform far away from the bearing platform.

The utility model provides a special maintenance platform that overhauls of aircraft in a preferred embodiment, still include self-adaptation follow-up stair, the one end of stair with load-bearing platform passes through rotatable structural connection, and the other end is equipped with two directional wheels and an universal wheel.

The stair guide rail is characterized in that a stair sliding groove is horizontally formed in the side face of the chassis along the running track of the directional wheel of the stair, and the directional wheel of the stair rolls in the stair sliding groove.

The treads of the stair are arranged in the stair in a rotatable structure, and each tread is connected to a set of linkage leveling mechanism arranged at the bottom of the bearing platform.

Compared with the prior art, the utility model provides a special maintenance platform that overhauls of aircraft has realized simultaneously going up and down, can closely laminate the fuselage, can receive and release, the function of tripartite. The convenient and personal safety of operation personnel in the operation is ensured in the process of overhauling and maintaining the airplane, and the working efficiency of airplane overhauling is effectively improved.

Drawings

Fig. 1 is a side view of a special maintenance platform for an aircraft provided by the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a side view of fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, there are shown a side view of the maintenance platform for aircraft, and a partial enlarged view and a side view of the enlarged view thereof, respectively.

The special overhaul and maintenance platform 1 for the airplane comprises a chassis 2, a scissor lift 3, a bearing platform 4, a sliding platform 5, a retractable platform 6 and a stair 7.

The chassis 2 is a strip-shaped plate body, and six heavy horizontal adjusting supporting universal wheels are arranged at the four corners of the bottom of the chassis and the middle point of the long edge of the chassis and are marked as chassis universal wheels 21. The top is provided with a battery box 22, a hydraulic station 23 and the scissor lift 3.

The battery box 22 adopts four 12V100AH storage batteries which are connected in series two by two to form 24V for power supply. 220V commercial power is extrapolated through the automatic contraction winder to charge the storage battery. The hydraulic station 23 is a direct-flow pump station, a 35-liter oil tank is vertical, and the discharge capacity of an oil pump is 3.2 cc/r. And controlling a secondary oil cylinder with the cylinder diameter of phi 90 and the stroke of 900mm in the scissor lift 3 to lift by adopting a 3kw direct current motor.

The top of the scissor lift 3 is horizontally provided with the bearing platform 4. The bearing platform 4 comprises a bearing plate 41 with the length and width sizes consistent with those of the chassis 2, wherein one long edge of one side of the bearing plate is vertically provided with an aluminum alloy section as a bearing flange 42, and the other long edge of the other side of the bearing plate is provided with a small raised line 43. Between the two, 28 i-shaped aluminium alloy profiles are arranged side by side as carrying rails 44 at an angle parallel to the broadsides. The arrangement of the bearing rails 44 is uneven, wherein the distance between the 14 bearing rails 44 in the middle is 307mm, and the distance between the rest bearing rails 44 on the two sides is 157 mm.

The space between the adjacent bearing rails 44 is used as a sliding chute for arranging the sliding platforms 5, and 27 groups of the sliding platforms 5 are arranged. The sliding platform 5 includes a sliding rail 51 disposed between the bearing rails 44, and a sliding baffle 52 disposed at an end of the sliding rail 51 away from the bearing baffle 42. The height of the sliding rail 51 is 3/4 of the height of the space between the bearing rails 44, and 12 grooves 53 matched with the convex strips 43 are arranged at the bottom of the sliding rail and on the side close to the sliding baffle plate 52.

The body of the retraction platform 6 is of a conventional platform structure, one end of the retraction platform is connected with one end of the bearing platform 4 through a retraction rotating shaft 61, and the rotating shaft is arranged along the wide edge of the bearing platform 4. The folding and unfolding platform 6 is also provided with a folding and unfolding baffle 62 at one side provided with the bearing baffle 42, but the folding and unfolding baffle 62 and the bearing baffle 42 are arranged in a staggered manner, so that collision is avoided when the folding and unfolding platform is folded. The top of each flange is provided with a guardrail.

The retraction platform 6 further comprises a winch 63, a first pulley 64, a column 65 and a second pulley 66. The bearing platform 4 is sequentially provided with the winch 63, the first pulley 64 and the upright post 65 from far to near in the direction towards the retractable platform 6. Wherein the winch 63 is fixed to the railing on the bearing rib 42; the first pulley 64 is arranged on the side edge of the bearing platform 4; the upright 65 is disposed at a position close to the retraction rotary shaft 61. The second pulley 66 is arranged at the top of the upright column 65, and the rope of the winch 63 sequentially passes below the first pulley 64 and above the second pulley 66 and is finally connected to one end of the deploying and retracting platform 6, which is far away from the bearing platform 4.

The body of the stair 7 is of a conventional stair structure and is arranged side by side with the bearing platform 4, one end of the body is connected with one end, far away from the retraction platform 6, of the bearing platform 4 through a stair rotating shaft 71, and two directional wheels, marked as stair directional wheels 72, are arranged at one corner of the other end, close to the bearing platform 4; the other corner is provided with a universal wheel. Since it is difficult to ensure the stability of the staircase 7 laterally by means of the staircase rotating shaft 71, a staircase sliding groove 75 is further provided on the side surface of the chassis 2 close to the staircase 7, and the staircase directional wheel 72 is sunk into the staircase sliding groove 75 and slides back and forth along the range defined by the staircase sliding groove 75.

The stair spindles 71 are likewise arranged along the broad sides of the load-bearing platform 4, but extend further by a distance for connecting the stairs 7 arranged side by side.

The tread 73 on the stair 7 adopts a structure similar to a herringbone ladder in the prior product, and a linkage leveling mechanism 74 is connected to the side surface.

When in use, the chassis 2 is pushed to a proper position; and controlling the hydraulic station 23 to lift the scissor lift 3 to drive the bearing platform 4 to ascend to a proper height.

The end of the sliding platform 5, which is provided with the sliding baffle 52, is slightly lifted, so that the groove 53 at the bottom of the sliding platform is separated from the convex strip 43, the sliding platform is put down after sliding to a proper position of the machine body, and the sliding platform is slightly shaken to enable the groove 53 to be connected with the convex strip 43 for skid prevention.

According to actual requirements, the winch 63 is controlled to rotate forwards and reversely according to conditions, and then the retractable platform is driven to retract or put down.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a special maintenance platform that overhauls of aircraft, includes chassis, elevating system, the load-bearing platform that sets gradually, its characterized in that: the device also comprises a sliding platform and a retractable platform; the sliding platform is arranged on the top surface of the bearing platform in a slidable structure, and the sliding direction of the sliding platform relative to the bearing platform is vertical to the lifting direction of the lifting mechanism; the retractable platform is arranged at one end of the bearing platform in a rotatable structure, and the rotation direction of the retractable platform is parallel to the sliding direction of the sliding platform.

2. An aircraft specific service maintenance platform according to claim 1, wherein: the lifting mechanism is a scissor hydraulic lifter.

3. An aircraft specific service maintenance platform according to claim 2, wherein: the bottom of the chassis is provided with a plurality of heavy horizontal adjustment supporting universal wheels, the top of the chassis is provided with a battery box and a hydraulic station, and the hydraulic station is connected with the lifting mechanism through a hydraulic oil way.

4. An aircraft specific service maintenance platform according to any one of claims 1 to 3, wherein: the top surface of the bearing platform is provided with one or more sliding grooves at an angle perpendicular to the lifting direction of the lifting mechanism, and the sliding platform is arranged in the sliding grooves.

5. An aircraft specific service maintenance platform according to claim 4, wherein: the edge of load-bearing platform is equipped with a sand grip with the angle of perpendicular to slip direction, the bottom of sliding platform parallel be equipped with the multichannel with the recess of sand grip looks adaptation.

6. An aircraft specific service maintenance platform according to any one of claims 1 to 3, wherein: the top surface of the bearing platform is provided with a winch and a pulley, and a rope of the winch is wound through the pulley and then connected with one end, far away from the bearing platform, of the take-up and pay-off platform.

7. An aircraft specific service maintenance platform according to claim 6, wherein: the top surface of the bearing platform is sequentially provided with a winch, a first pulley and a stand column in the direction gradually approaching the retracting platform, the top of the stand column is also provided with a second pulley, and a rope of the winch is wound through the first pulley and the second pulley below and wound through the upper part and is connected with one end of the retracting platform far away from the bearing platform.

8. An aircraft specific service maintenance platform according to any one of claims 1 to 3, wherein: the self-adaptive follow-up stair is further included, one end of the stair is connected with the bearing platform through a rotatable structure, and two directional wheels and a universal wheel are arranged at the other end of the stair.

9. An aircraft specific service maintenance platform according to claim 8, wherein: the stair guide rail is characterized in that a stair sliding groove is horizontally formed in the side face of the chassis along the running track of the directional wheel of the stair, and the directional wheel of the stair rolls in the stair sliding groove.

10. An aircraft specific service maintenance platform according to claim 8, wherein: the treads of the stair are arranged in the stair in a rotatable structure, and each tread is connected to a set of linkage leveling mechanism arranged at the bottom of the bearing platform.