Folding suspension equipment for 330 cabin floor beam

By designing a folding suspension device for the A330 cabin floor beams, the problem of inconvenient removal of the floor beams during the A330 passenger-to-freighter conversion was solved, realizing the folding, stable suspension, and position adjustment of the device, thus improving the conversion efficiency.

CN223804748UActive Publication Date: 2026-01-16ST AEROSPACE(GUANGZHOU) AVIATION SERVICES CO LTD
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Patent Information

Application Number
CN202520545602.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-01-16
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

During the conversion of the A330 passenger aircraft to a cargo aircraft, existing technology makes it difficult to effectively remove the floor beams inside the cabin, which makes the conversion work inconvenient.

Method used

A folding suspension device for the floor beam of the 330 aircraft cabin was designed, including components such as a top crossbeam, folding rod, telescopic extension rod, cantilever tube, and steel cable suspension mechanism. The device can be folded and unfolded through hinge and sliding groove structure. In conjunction with the steel cable suspension mechanism and rotary drive unit, the floor beam can be stably suspended and its position adjusted.

Benefits of technology

This equipment allows for easy access into the engine room to remove and suspend floor beams, reducing space occupation, achieving stable suspension and position adjustment, meeting the support needs of different locations, and improving modification efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses folding type suspension equipment for a 330 cabin floor beam. The folding type suspension equipment comprises a top cross beam, two folding rods, two telescopic extension rods, two overhanging pipes, a control box, two suspension steel wire ropes and a steel wire rope suspension mechanism. According to the folding type suspension equipment, the two folding rods are hinged to the left end and the right end of the top cross beam respectively, the folding type suspension equipment can be folded when going in and out of a cabin, passing is facilitated, and the folding type suspension equipment is in a folded state when not used and does not occupy space; t-shaped sliding grooves are transversely formed in the lower side face of the top cross beam and the lower side faces of the two folding rods, so that the steel rope suspension mechanism can conveniently slide back and forth along the top cross beam and the two folding rods in the unfolded state, and left-right adjustment is conducted according to the position of a floor beam; the transverse supporting width can be adjusted through the two telescopic extension rods, and the supporting requirements of different positions in different cabins are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a folding type suspension equipment, especially a folding type suspension equipment for 330 cabin floor beam. BACKGROUND

[0002] In recent years, the aviation logistics industry has developed rapidly, and market demand has been growing year by year. With the development of the global economy and the increasing frequency of trade, the demand for Airbus A330 PTF (Passenger To Freighter, passenger to freighter) is gradually increasing. Many airlines have begun to convert passenger planes into freighters in order to reduce costs. In addition, with the rapid development of the e-commerce industry, the demand for cargo transportation is also growing, which also provides a broad market space for Airbus A330 PTF. Therefore, continuously optimizing and improving these tooling equipment to improve the efficiency and quality of PTF is the key to meeting the growing demand of the aviation cargo market.

[0003] During the A330 PTF process, the floor beams inside the cabin need to be removed one by one to ensure the smooth progress of the conversion work. Therefore, it is necessary to design a folding type suspension equipment for 330 cabin floor beams that can easily access the cabin for floor beam removal and suspension. SUMMARY

[0004] The utility model aims at: provide a kind of folding type suspension equipment for 330 cabin floor beam, can easily access the cabin for floor beam removal and suspension.

[0005] Technical scheme: the folding type suspension equipment for 330 cabin floor beam of the utility model, including top crossbeam, two folding rods, two telescopic extension rods, two cantilever pipes, control box, two suspension steel wires and steel rope suspension mechanism;

[0006] The control box is installed on the top side of the top crossbeam, the two folding rods are respectively hinged and installed on the lower side of the left and right ends of the top crossbeam, and the two telescopic extension rods are respectively slidingly installed on the two folding rods. T-shaped sliding grooves are horizontally arranged on the lower side of the top crossbeam and the lower side of the two folding rods. The steel rope suspension mechanism is movably installed on the T-shaped sliding grooves, and the two cantilever pipes are horizontally installed on the left and right sides of the steel rope suspension mechanism. One end of each of the two suspension steel wires is fixed to the steel rope suspension mechanism after passing through the two cantilever pipes, and the steel rope suspension mechanism drives the two suspension steel wires synchronously. The other end of each of the two suspension steel wires is provided with a suspension lock catch for buckling the floor beam. The steel rope suspension mechanism is electrically connected with the control box.

[0007] Further, the steel rope suspension mechanism comprises a supporting sliding block, a winding box and a rotary driving unit; the supporting sliding block is movably installed in the T-shaped sliding groove, the top of the winding box is rotatably installed on the bottom of the supporting sliding block; two cantilever pipes are transversely and communicatively installed on the left and right sides of the winding box; a winding winch is rotatably installed in the winding box, and the ends of the two suspension steel wires are fixed on the winding winch; the rotary driving unit is installed on the winding box and used for driving the winding winch to rotate; and the rotary driving unit is electrically connected with the control box.

[0008] Further, a supporting pulley for supporting the suspension steel wire is rotatably installed at the cantilever end of the cantilever pipe.

[0009] Further, the bottom of the telescopic extension rod is provided with a through slot, and the through slot is buckled on the upper side of the folding rod; a buckling supporting strip is arranged on the side edge of the through slot, and a buckling supporting sliding groove matched with the buckling supporting strip is arranged on the side edge of the folding rod.

[0010] Compared with the prior art, the utility model has the advantages that the two folding rods are respectively hingedly installed at the left and right ends of the top cross beam, can be folded when entering and exiting the cabin, thus facilitating passing, and do not occupy space when not in use; the T-shaped sliding grooves are horizontally arranged on the lower side of the top cross beam and the lower side of the two folding rods, thus facilitating the steel rope suspension mechanism to slide back and forth along the top cross beam and the two folding rods in the unfolded state, and facilitating left and right adjustment according to the position of the floor beam; the two cantilever pipes can cantilever the two suspension steel wires, thus stably suspending the floor beam; and the two telescopic extension rods can adjust the horizontal support width, thus meeting the support needs at different positions in different cabins. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is an unfolded state front view of the utility model.

[0012] Figure 2 It is a folding state schematic view of the utility model.

[0013] Figure 3 It is an unfolded state left view of the utility model.

[0014] Figure 4 It is a local sectional view structure schematic view of the utility model.

[0015] Figure 5 It is a circuit structure schematic view of the utility model. DETAILED DESCRIPTION

[0016] The technical scheme of the utility model will be described in detail below with reference to the drawings, but the protection scope of the utility model is not limited to the embodiments. EMBODIMENT

[0017] As Figures 1-5 shown, the utility model discloses a folding type suspension equipment for 330 cabin floor beam includes: top crossbeam 1, two folding rods 4, two telescopic extension rods 5, two cantilever pipes 13, control box 2, two suspension steel wires 18 and steel rope suspension mechanism,

[0018] Control box 2 is installed on the top side of top crossbeam 1, two folding rods 4 are respectively hinged and installed on the lower side of the left and right two ends of top crossbeam 1, and two telescopic extension rods 5 are respectively slidably installed on two folding rods 4, T-shaped sliding grooves 23 are horizontally arranged on the lower side of top crossbeam 1 and the lower side of two folding rods 4, steel rope suspension mechanism is movably installed on T-shaped sliding grooves 23, and two cantilever pipes 13 are horizontally installed on the left and right sides of steel rope suspension mechanism, one end of two suspension steel wires 18 is fixed on steel rope suspension mechanism after passing through two cantilever pipes 13 respectively, two suspension steel wires 18 are driven synchronously by steel rope suspension mechanism, and the other end of two suspension steel wires 18 is respectively provided with a suspension lock buckle for buckling floor beam, and steel rope suspension mechanism is electrically connected with control box 2.

[0019] By hingedly installing two folding rods 4 on the left and right two ends of top crossbeam 1, folding can be carried out when entering and exiting the cabin, so that passing is facilitated, and the equipment does not occupy space in the folded state when not in use, T-shaped sliding grooves 23 are horizontally arranged on the lower side of top crossbeam 1 and the lower side of two folding rods 4, so that steel rope suspension mechanism can slide back and forth along top crossbeam 1 and two folding rods 4 in the unfolded state, so that left and right adjustment can be carried out according to the position of the floor beam, two suspension steel wires 18 can be cantilevered out by two cantilever pipes 13, so that the floor beam can be stably suspended, and the width of the transverse support can be adjusted by two telescopic extension rods 5, so that the support needs at different positions in different cabins can be met.

[0020] Further, hinged grooves are arranged on the lower side of the left and right two ends of top crossbeam 1, and the end of folding rod 4 is hingedly installed in the hinged groove, so that horizontal support is realized by blocking and limiting in the opened horizontal state.

[0021] Further, a lifting handle 3 is arranged on the upper side of top crossbeam 1, so that the suspension equipment can be conveniently lifted and carried in the folded state, and the cabin can be conveniently entered and exited.

[0022] Further, the suspension lock buckle comprises a strip-shaped seat 19, a locking shaft and two L-shaped clamping rods 20; a driving sliding groove is arranged on the lower side of the strip-shaped seat 19 in the length direction; the locking shaft is rotatably installed in the driving sliding groove, and the end thereof extends out of the strip-shaped seat 19 and is provided with a handle bar 21 on the extending end; driving external threads are arranged on both ends of the locking shaft in the driving sliding groove, and the screw rotation directions of the driving external threads on both ends are opposite; the driving external threads on both ends of the locking shaft are respectively threadedly and rotatably installed on the upper ends of the two L-shaped clamping rods 20, and the lower side bent ends of the two L-shaped clamping rods 20 are used for clamping and holding the floor beam. By using the two driving external threads with opposite screw rotation directions, the spacing of the two L-shaped clamping rods 20 can be adjusted when the handle bar 21 is rotated, so that the clamping and holding of the floor beam is realized.

[0023] Further, the steel rope suspension mechanism comprises a support sliding block 11, a winding box 12 and a rotary driving unit; the support sliding block 11 is movably installed in the T-shaped sliding groove 23, and the top of the winding box 12 is rotatably installed on the bottom of the support sliding block 11; two cantilever pipes 13 are transversely and communicatively installed on the left and right sides of the winding box 12; a winding winch 24 is rotatably installed in the winding box 12, and the ends of the two suspension steel wires 18 are fixed on the winding winch 24; the rotary driving unit is installed on the winding box 12 and is used for rotatably driving the winding winch 24; and the rotary driving unit is electrically connected with the control box 2. By using the winding winch 24, the two suspension steel wires 18 can be synchronously wound, so that the consistency of the two suspension lock buckles in the suspension process is ensured.

[0024] Further, a plurality of support rollers 22 are rotatably installed on the side edges of the support sliding block 11, the support rollers 22 support the movement of the support sliding block 11 in the T-shaped sliding groove 23, so as to reduce the resistance of the transverse movement of the support sliding block 11.

[0025] Further, the rotary driving unit comprises a rotary driving motor 16, a driving worm 15 and a driving worm gear 14; the driving worm gear 14 is fixedly installed on the lower end of the support shaft of the winding winch 24, the driving worm 15 is rotatably installed on the winding box 12, the driving worm 15 is engaged with the driving worm gear 14, and the rotary driving motor 16 is used for rotatably driving the driving worm 15; and the rotary driving motor 16 is electrically connected with the control box 2. By using the engagement structure of the driving worm 15 and the driving worm gear 14, the rotary driving and the rotary locking after stopping can be realized.

[0026] Further, the control box 2 is provided with a controller, an ascending button, a descending button and a motor driving circuit; the controller is electrically connected with the ascending button, the descending button and the motor driving circuit; the motor driving circuit is electrically connected with the rotary driving motor 16; the controller can adopt an existing single-chip microcomputer control module, and is used for controlling the rotary driving motor 16 to be positively or negatively rotated and driven through the motor driving circuit according to the triggering of the ascending button and the descending button.

[0027] Further, a support pulley 17 for supporting the suspension wire rope 18 is rotatably installed at the overhanging end of the overhanging pipe 13, so as to reduce the resistance during the winding and unwinding of the suspension wire rope 18.

[0028] Further, the bottom of the telescopic extension rod 5 is provided with a through slot, and is buckled on the upper side of the folding rod 4 through the through slot; the side of the through slot is provided with a buckle support strip 8, and the side of the folding rod 4 is provided with a buckle support sliding groove 7 matched with the buckle support strip 8, so as to realize the sliding installation of the folding rod 4 and the telescopic extension rod 5; the telescopic locking bolt 6 is throughly and threadedly installed on the telescopic extension rod 5, and the end of the telescopic locking bolt 6 is pressed on the folding rod 4, so as to lock the telescopic extension.

[0029] Further, the bottom of the telescopic extension rod 5 is provided with a through slot, and is buckled on the upper side of the folding rod 4 through the through slot; the side of the through slot is provided with a buckle support strip 8, and the side of the folding rod 4 is provided with a buckle support sliding groove 7 matched with the buckle support strip 8, so as to realize the sliding installation of the folding rod 4 and the telescopic extension rod 5; the telescopic locking bolt 6 is throughly and threadedly installed on the telescopic extension rod 5, and the end of the telescopic locking bolt 6 is pressed on the folding rod 4, so as to lock the telescopic extension.

[0030] The folding suspension equipment for the 330 machine cabin floor beam is used, the suspension equipment in the folded state is carried into the machine cabin through the pull handle 3, the suspension equipment is moved to the dismounting position of the floor beam, the left and right two folding rods 4 are unfolded to be in the horizontal state, the two telescopic extension rods 5 are extended, the anti-skid pads 10 at the ends of the two telescopic extension rods 5 are supported on the framework on the upper portion in the machine cabin respectively, the telescopic extension rod 5 is locked and fixed by the telescopic locking bolt 6, the winding box 12 is pushed and pulled to move, the steel rope suspension mechanism is located above the floor beam, the lower side bent end of the two L-shaped buckle rods 20 of the suspension lock buckle is buckled on the floor beam, the handle rod 21 is used for buckle clamping and locking, the rotation driving motor 16 is driven and controlled by the controller by pressing the rising button, the two suspension wire ropes 18 are loosened after being locked, the rising button is loosened, the floor beam is dismounted by the worker, the floor beam is in the suspended state, the rotation driving motor 16 is driven and controlled by the controller by operating the falling button, the two suspension wire ropes 18 release the floor beam downwards, the floor beam is released to the bottom of the machine cabin, the falling button is loosened, the floor beam is taken down by the worker from below, and the dismounting and hoisting of the next floor beam are waited.

[0031] As described above, although the utility model has been shown and described with reference to specific preferred embodiments, it must not be interpreted as a limitation of the utility model itself. Various changes can be made to the form and details thereof without departing from the spirit and scope of the utility model defined in the appended claims.

Claims

1. A folding suspension apparatus for a 330 nacelle floor beam, characterized by: It comprises a top beam (1), two folding rods (4), two telescopic extension rods (5), two cantilever pipes (13), a control box (2), two suspension steel wires (18) and a steel wire suspension mechanism. The control box (2) is installed on the top side of the top beam (1), the two folding rods (4) are respectively hingedly installed on the lower sides of the left and right ends of the top beam (1), and the two telescopic extension rods (5) are respectively slidably installed on the two folding rods (4). T-shaped sliding grooves (23) are horizontally arranged on the lower sides of the top beam (1) and the two folding rods (4). The steel wire suspension mechanism is movably installed on the T-shaped sliding grooves (23), and the two cantilever pipes (13) are horizontally installed on the left and right sides of the steel wire suspension mechanism. One end of each of the two suspension steel wires (18) passes through the two cantilever pipes (13) and is fixed on the steel wire suspension mechanism, and the steel wire suspension mechanism drives the two suspension steel wires (18) to be synchronously retracted and extended. The other end of each of the two suspension steel wires (18) is provided with a suspension lock buckle for buckling a floor beam. The steel wire suspension mechanism is electrically connected with the control box (2).

2. The folding suspension apparatus for a 330 nacelle floor beam according to claim 1, characterized in that: The steel wire suspension mechanism comprises a supporting sliding block (11), a winding box (12) and a rotary drive unit. The supporting sliding block (11) is movably installed in the T-shaped sliding groove (23), and the top of the winding box (12) is rotatably installed on the bottom of the supporting sliding block (11). The two cantilever pipes (13) are horizontally and communicatively installed on the left and right sides of the winding box (12). The winding box (12) is rotatably provided with a winding winch (24), and the ends of the two suspension steel wires (18) are fixed on the winding winch (24). The rotary drive unit is installed on the winding box (12) and is used for rotatingly driving the winding winch (24). The rotary drive unit is electrically connected with the control box (2).

3. The folding suspension apparatus for a 330 nacelle floor beam according to claim 1, characterized in that: The cantilever end of the cantilever pipe (13) is rotatably provided with a supporting pulley (17) for supporting the suspension steel wire (18).

4. The folding suspension apparatus for 330 nacelle floor beams of claim 1, wherein: The bottom of the telescopic extension rod (5) is provided with a through slot, and the telescopic extension rod (5) is buckled on the upper side of the folding rod (4) through the through slot. A buckling supporting strip is arranged on the side of the through slot, and a buckling supporting sliding groove (7) matched with the buckling supporting strip is arranged on the side of the folding rod (4).