Circular truncated cone type hydraulic lift truck transformed from passenger aircraft

Abstract

The utility model provides a passenger plane reformed circular truncated cone type hydraulic lift truck which comprises a frame body, a movable wheel mechanism is installed at the bottom of the frame body, folding supporting foot mechanisms are symmetrically installed on the two sides of the frame body, and a first-stage shear fork connecting rod mechanism is hinged to the top of the frame body through a first hinge seat and a first sliding hinge seat. A first lifting oil cylinder used for providing lifting power is installed between the first-stage scissor-fork connecting rod mechanisms, second-stage scissor-fork connecting rod mechanisms are hinged to the tops of the first-stage scissor-fork connecting rod mechanisms, and a second lifting oil cylinder used for providing lifting power is installed between the second-stage scissor-fork connecting rod mechanisms. And a top circular truncated cone is fixedly mounted at the top of the second-stage shear fork connecting rod mechanism through a second hinge seat and a second sliding hinge seat. The hydraulic lift truck can assist in completing the auxiliary disassembly operation of onboard parts in the airplane transformation process, can conveniently and reliably realize the lowering of the disassembled onboard parts, and can conveniently complete the lifting of a disassembly tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to an aircraft modification tool technical field, concretely relates to a round table type hydraulic lifting vehicle for passenger aircraft modification. BACKGROUND

[0002] In the process of modifying the passenger aircraft A330, the passenger aircraft needs to be modified into a cargo aircraft, in which process, the original structure of the passenger aircraft A330 needs to be disassembled, in the disassembling process, on the one hand, the disassembled aircraft parts need to be unloaded from the cabin, on the other hand, the disassembling tools on the ground need to be sent into the cabin, in addition, after the disassembling is completed, the outer surface of the aircraft needs to be resprayed and other processes. UTILITARY MODEL

[0003] To solve the current technical problems, the main purpose of the utility model is to provide a round table type hydraulic lifting vehicle for passenger aircraft modification, which can assist in completing the auxiliary disassembling operation of the aircraft parts during the aircraft modification process, can conveniently and reliably realize the lowering of the disassembled aircraft parts, and can conveniently complete the lifting of the disassembling tools, and adopts a round table structure, which ensures that multiple people can work at the same time in different directions, effectively improves the work efficiency, improves the flexibility of use, and ensures the safety of the work process.

[0004] To realize the above technical features, the purpose of the utility model is realized as follows: a round table type hydraulic lifting vehicle for passenger aircraft modification, comprising a vehicle frame main body, a mobile wheel mechanism is installed at the bottom of the vehicle frame main body, folding foot mechanisms are symmetrically installed at both sides of the vehicle frame main body, a first-stage scissor linkage mechanism is hinged to the top of the vehicle frame main body through a first hinge seat and a first sliding hinge seat, first lifting cylinders for providing lifting power are installed between the first-stage scissor linkage mechanisms, a second-stage scissor linkage mechanism is hinged to the top of the first-stage scissor linkage mechanism, second lifting cylinders for providing lifting power are installed between the second-stage scissor linkage mechanisms, and a top round table is fixedly installed at the top of the second-stage scissor linkage mechanism through a second hinge seat and a second sliding hinge seat.

[0005] The mobile wheel mechanism comprises a stand column fixed at the bottom end of the head of the vehicle frame main body, a head wheel shaft is rotatably installed at the bottom end of the stand column, and head wheels are installed at both ends of the head wheel shaft; a tail wheel shaft is rotatably installed at the bottom end of the tail of the vehicle frame main body through a wheel shaft vertical plate, and tail wheels are installed at both ends of the tail wheel shaft.

[0006] The traction rod is rotatably installed on the front outer wall of the head axle through a traction lug, and is used for connecting with a traction vehicle and moving the whole frame body.

[0007] The folding foot mechanism comprises an outer extension support rotatably installed on the outer wall of the frame body through a rotating vertical pin, and a telescopic supporting leg rotatably installed at the end of the outer extension support through a threaded sleeve, and a foot cup fixed at the bottom end of the telescopic supporting leg.

[0008] The first sliding hinge seat and the first sliding groove arranged on the frame body constitute sliding limiting cooperation.

[0009] The second sliding hinge seat and the second sliding groove on the top supporting plate constitute sliding limiting cooperation, and the top supporting plate is fixed at the bottom end of the top circular table.

[0010] The cylinder base of the first lifting oil cylinder is hingedly connected between one pair of connecting rods of the first-stage scissor linkage mechanism through a first cross beam, and the piston rod tail of the first lifting oil cylinder is hingedly connected between the other pair of connecting rods of the first-stage scissor linkage mechanism through a second cross beam.

[0011] The cylinder base of the second lifting oil cylinder is hingedly connected between one pair of connecting rods of the second-stage scissor linkage mechanism through a third cross beam, and the piston rod tail of the second lifting oil cylinder is hingedly connected between the other pair of connecting rods of the second-stage scissor linkage mechanism through a fourth cross beam.

[0012] The periphery of the top circular table is provided with an expanded circular table, the periphery of the expanded circular table is hingedly connected with a fence upright through a fence hinge seat, and the top of the fence upright is fixed with an arc-shaped fence.

[0013] The upper surface of the top circular table is provided with anti-skid lines.

[0014] The hydraulic lifting vehicle has the following beneficial effects:

[0015] 1、The hydraulic lifting vehicle can assist in completing the auxiliary disassembly operation of the parts on the aircraft in the aircraft modification process, can conveniently and reliably realize the lowering of the disassembled parts on the aircraft, and can conveniently complete the lifting of the disassembly tool; and the circular table type structure ensures that multiple people can work at different positions at the same time, effectively improves the operation efficiency, improves the flexibility of use, and ensures the safety of the operation process.

[0016] 2、The moving wheel mechanism can realize the overall movement of the hydraulic lifting vehicle, thereby ensuring that the position of the cabin door can be adjusted during use to enhance the flexibility of use.

[0017] 3、The traction rod is convenient for moving the whole hydraulic lifting vehicle, and is convenient for realizing steering.

[0018] 4. The folding support mechanism can be unfolded during use, thereby increasing the operation stability and reliability of the frame body.

[0019] 5. The sliding cooperation between the first sliding groove and the first sliding hinge seat ensures the normal lifting operation of the scissor lifting mechanism.

[0020] 6. The sliding cooperation between the second sliding hinge seat and the second sliding groove ensures the normal lifting operation of the scissor lifting mechanism.

[0021] 7. The first lifting oil cylinder can be used to provide the lifting power of the first-stage scissor linkage mechanism.

[0022] 8. The second lifting oil cylinder can be used to provide the lifting power of the second-stage scissor linkage mechanism.

[0023] 9. The extended circular table can increase the operation area, and the corresponding arc-shaped fence can enhance the safety. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model will be further described below in combination with the drawings and examples.

[0025] Figure 1 It is the first perspective three-dimensional view of the overall structure of the utility model.

[0026] Figure 2 It is the second perspective three-dimensional view of the overall structure of the utility model.

[0027] Figure 3 It is the third perspective three-dimensional view of the overall structure of the utility model.

[0028] Figure 4 It is the fourth perspective three-dimensional view of the overall structure of the utility model.

[0029] Figure 5 It is the front view of the utility model.

[0030] Figure 6 It is the front view of the utility model Figure 5 A-A view.

[0031] In the figure: the frame body 1, the column 2, the drawbar 3, the draw ear seat 4, the head wheel 5, the head axle 6, the tail axle 7, the tail wheel 8, the axle vertical plate 9, the rotating vertical pin 10, the telescopic support leg 11, the threaded sleeve 12, the outer support 13, the first sliding hinge seat 14, the first sliding groove 15, the first hinge seat 16, the first level scissor linkage 17, the first lifting oil cylinder 18, the first crossbeam 19, the second crossbeam 20, the second level scissor linkage 21, the third crossbeam 22, the second lifting oil cylinder 23, the expanding round table 24, the fence hinge seat 25, the fence column 26, the arc fence 27, the top round table 28, the second sliding hinge seat 29, the second sliding groove 30, the top support plate 31, the fourth crossbeam 32, the second hinge seat 33. DETAILED DESCRIPTION

[0032] The embodiments of the utility model will be further described below with reference to the drawings.

[0033] Reference Figures 1-6 A round table type hydraulic lifting vehicle for passenger aircraft modification, including frame body 1, the bottom of frame body 1 is installed with mobile wheel mechanism, the both sides of frame body 1 are symmetrically installed with folding foot mechanism, the top of frame body 1 is hinged with first level scissor linkage 17 through first hinge seat 16 and first sliding hinge seat 14, first level scissor linkage 17 is installed with first lifting oil cylinder 18 for providing lifting power between, the top of first level scissor linkage 17 is hinged with second level scissor linkage 21, second level scissor linkage 21 is installed with second lifting oil cylinder 23 for providing lifting power between, the top of second level scissor linkage 21 is fixedly installed with top round table 28 through second hinge seat 33 and second sliding hinge seat 29.The utility hydraulic lifting vehicle can assist to complete the auxiliary disassembly operation of on-board parts in the process of aircraft modification, can conveniently and reliably realize the lowering of on-board parts after disassembly, and can conveniently complete the lifting of disassembly tools;Moreover, it adopts a round table type structure, which ensures that multiple people can work simultaneously in different directions, effectively improves the work efficiency, improves the flexibility of use, and ensures the safety of the work process.The hydraulic lifting vehicle described above is used in the process of aircraft modification, when the internal parts of the cabin need to be removed, the parts are placed on the top of top round table 28, and then first lifting oil cylinder 18 and second lifting oil cylinder 23 are used to drive first level scissor linkage 17 and second level scissor linkage 21 to lift, and finally the lifting of the entire top round table 28 is realized, so that the work personnel can perform auxiliary disassembly operation on top round table 28.

[0034] Further, the mobile wheel mechanism comprises a column 2 fixed at the bottom end of the head of the frame body 1, a head wheel shaft 6 rotatably installed at the bottom end of the column 2, and head wheels 5 installed at both ends of the head wheel shaft 6; the bottom end of the tail of the frame body 1 is rotatably installed with a tail wheel shaft 7 through a wheel shaft vertical plate 9, and tail wheels 8 are installed at both ends of the tail wheel shaft 7. The above-mentioned mobile wheel mechanism can realize the overall movement of the entire hydraulic lifting vehicle, thereby ensuring that it can be adjusted according to the position of the hatch during use to enhance its flexibility. During work, when the entire hydraulic lifting vehicle needs to be moved, the entire hydraulic lifting vehicle is moved and supported by the head wheels 5 and the tail wheels 8, thereby driving the entire hydraulic lifting vehicle to move.

[0035] Further, the front side outer wall of the head wheel shaft 6 is rotatably installed with a traction rod 3 through a traction ear seat 4, which is used to connect with a traction vehicle and drive the entire frame body 1 to move. The above-mentioned traction rod 3 facilitates the traction and movement of the entire hydraulic lifting vehicle, and facilitates steering.

[0036] Further, the folding leg mechanism comprises an outer extension bracket 13 rotatably installed on the outer wall of the frame body 1 through a rotating pin 10, and a telescopic leg 11 rotatably installed at the end of the outer extension bracket 13 through a threaded sleeve 12, and a foot cup is fixed at the bottom end of the telescopic leg 11. The above-mentioned folding leg mechanism can be unfolded during use, thereby increasing the operation stability and reliability of the frame body 1.

[0037] Further, the first sliding hinge seat 14 and the first sliding groove 15 arranged on the frame body 1 constitute a sliding limiting cooperation. Through the sliding cooperation between the first sliding groove 15 and the first sliding hinge seat 14, the normal lifting operation of the scissor lifting mechanism is ensured.

[0038] Further, the second sliding hinge seat 29 and the second sliding groove 30 on the top support plate 31 constitute a sliding limiting cooperation, and the top support plate 31 is fixed at the bottom end of the top circular table 28. Through the sliding cooperation between the second sliding hinge seat 29 and the second sliding groove 30, the normal lifting operation of the scissor lifting mechanism is ensured.

[0039] Further, the cylinder base of the first lifting oil cylinder 18 is hinged between one pair of connecting rods of the first-stage scissor linkage mechanism 17 through a first cross beam 19, and the piston rod of the first lifting oil cylinder 18 is hinged between the other pair of connecting rods of the first-stage scissor linkage mechanism 17 through a second cross beam 20. The above-mentioned first lifting oil cylinder 18 can be used to provide lifting power for the first-stage scissor linkage mechanism 17.

[0040] Further, the cylinder base of the second lifting oil cylinder 23 is hinged between one pair of links of the second stage scissor linkage 21 through a third cross beam 22, and the piston rod end of the second lifting oil cylinder 23 is hinged between another pair of links of the second stage scissor linkage 21 through a fourth cross beam 32. The second lifting oil cylinder 23 can be used to provide lifting power for the second stage scissor linkage 21.

[0041] Further, the periphery of the top circular platform 28 is provided with an extended circular platform 24, the periphery of the extended circular platform 24 is hinged with a fence upright 26 through a fence hinge seat 25, and the top of the fence upright 26 is fixed with an arc-shaped fence 27. The extended circular platform 24 can increase the working area, and the corresponding arc-shaped fence 27 can enhance the safety.

[0042] Further, the upper surface of the top circular platform 28 is provided with anti-skid lines. The anti-skid lines can provide good anti-skid effect, thereby ensuring the safety of the work.

[0043] The working process and principle of the utility model are as follows:

[0044] When the lifting of the tool during the aircraft modification process is needed, the traction rod 3 is connected with the tractor, the hydraulic lifting vehicle is moved to the position of the cabin door by the tractor, the tool is placed on the top of the top circular platform 28, the first lifting oil cylinder 18 and the second lifting oil cylinder 23 are started, the corresponding first stage scissor linkage 17 and second stage scissor linkage 21 are driven, the top circular platform 28 is lifted, and the tool on the top of the top circular platform 28 is lifted. When the spraying treatment of the operator is needed, multiple operators are needed for spraying operation, the operator goes to the top of the top circular platform 28, and then the lifting operation of the operator is realized by starting the corresponding first stage scissor linkage 17 and second stage scissor linkage 21.

Claims

1. A passenger aircraft modified truncated cone hydraulic lift comprising, The utility model provides a foldable trailer, which comprises a frame body (1), a mobile wheel mechanism is installed at the bottom of the frame body (1), folding leg mechanisms are symmetrically installed at the two sides of the frame body (1), a first-stage scissor linkage mechanism (17) is hinged to the top of the frame body (1) through a first hinge seat (16) and a first sliding hinge seat (14), first lifting oil cylinders (18) for providing lifting power are installed between the first-stage scissor linkage mechanism (17), a second-stage scissor linkage mechanism (21) is hinged to the top of the first-stage scissor linkage mechanism (17), second lifting oil cylinders (23) for providing lifting power are installed between the second-stage scissor linkage mechanism (21), and a top circular table (28) is fixedly installed at the top of the second-stage scissor linkage mechanism (21) through a second hinge seat (33) and a second sliding hinge seat (29).

2. A frustoconical hydraulic lift for a passenger aircraft conversion as defined in claim 1, wherein: The mobile wheel mechanism comprises a stand (2) fixed at the head bottom end of the frame body (1), a head wheel shaft (6) rotatably installed at the bottom end of the stand (2), and head wheels (5) installed at the two ends of the head wheel shaft (6).

3. The frusto-conical hydraulic lift of claim 2, wherein: A traction rod (3) is rotatably installed on the front side outer wall of the head wheel shaft (6) through a traction lug seat (4), the traction rod (3) is used for being connected with a traction vehicle and driving the whole frame body (1) to move.

4. The frusto-conical hydraulic lift of claim 1, wherein: The folding leg mechanism comprises an outer extension support (13) rotatably installed on the outer wall of the frame body (1) through a rotating vertical pin (10), a telescopic supporting leg (11) rotatably installed at the end head part of the outer extension support (13) through a threaded sleeve (12), and a foot cup fixed at the bottom end of the telescopic supporting leg (11).

5. The frusto-conical hydraulic lift of claim 1, wherein: The first sliding hinge seat (14) and a first sliding groove (15) arranged on the frame body (1) constitute sliding limiting cooperation.

6. The frusto-conical hydraulic lift of claim 1, wherein: The second sliding hinge seat (29) and a second sliding groove (30) on a top support plate (31) constitute sliding limiting cooperation, and the top support plate (31) is fixed at the bottom end of the top circular table (28).

7. The frusto-conical hydraulic lift of claim 1, wherein: The cylinder base of the first lifting oil cylinder (18) is hinged between one pair of connecting rods of the first-stage scissor linkage mechanism (17) through a first cross beam (19), and the piston rod tail end of the first lifting oil cylinder (18) is hinged between the other pair of connecting rods of the first-stage scissor linkage mechanism (17) through a second cross beam (20).

8. The frusto-conical hydraulic lift of claim 1, wherein: The cylinder base of the second lifting oil cylinder (23) is hinged between one pair of connecting rods of the second-stage scissor linkage mechanism (21) through a third cross beam (22), and the piston rod tail end of the second lifting oil cylinder (23) is hinged between the other pair of connecting rods of the second-stage scissor linkage mechanism (21) through a fourth cross beam (32).

9. The frusto-conical hydraulic lift of claim 1, wherein: An expansion circular table (24) is arranged on the periphery of the top circular table (28), the expansion circular table (24) is hinged to a fence vertical column (26) through a fence hinge seat (25), and an arc-shaped fence (27) is fixed at the top of the fence vertical column (26).

10. The frusto-conical hydraulic lift of claim 1, wherein: An antiskid pattern is arranged on the upper surface of the top circular table (28).

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