A force self-adjusting type aircraft rescue hoist beam

Abstract

The present application belongs to the field of airplane rescue device, and relates to a stress self-adjusting type beam for airplane rescue, which comprises a main beam, main beam hanger, auxiliary beam and auxiliary beam hanger, the main beam hanger is symmetrically arranged on the upper two ends of the main beam, and the auxiliary beam is connected to the lower two ends of the main beam through the auxiliary beam hanger, characterized in that: a pulley block is arranged on the lower part of each auxiliary beam, and a lifting hanger is wound on each pulley block on the two sides. The present application has the advantages of scientific and reasonable structure design, stress self-adjusting, stability guarantee for airplane lifting, service life extension of the main hanger, wide application model range and easy realization, and is a stress self-adjusting type beam for airplane rescue with high innovation.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of airplane rescue device, and relates to a hanging beam, in particular to a stress self-adjusting hanging beam for airplane rescue. BACKGROUND

[0002] The hanging beam for airplane rescue is a device for lifting the airplane when the airplane has an accident, and the airplane is transferred by U-shaped upper loading or moving trailer after being lifted.

[0003] The existing hanging beam generally comprises a main hanging beam, main hanging beam hangers, auxiliary hanging beams, auxiliary hanging beam hangers and main hangers, the main hanging beam hangers connected to the hoisting equipment are symmetrically installed on the upper two ends of the main hanging beam, the auxiliary hanging beams are symmetrically installed on the lower two ends of the main hanging beam through the auxiliary hanging beam hangers, and a plurality of U-shaped main hangers are connected between the auxiliary hanging beams on the two sides. When rescuing, the airplane is lifted by the U-shaped main hangers.

[0004] Due to different models of the airplane or different flatness of the contact position with the airplane, each main hanger on the hanging beam cannot be uniformly stressed when hoisting, the weight of the airplane is mainly concentrated on a few main hangers, the stress area is small, the stability of the airplane when being lifted is affected, and the service life of the main hangers subjected to long-term stress is also affected.

[0005] In order to solve the problem of uneven stress of the main hangers, in the prior art, a pulley is connected between each main hanger and a steel wire rope, the steel wire rope passes through the pulley, the contraction of the steel wire rope can be adjusted to adjust the height of the main hanger, the stress of each main hanger is ensured to be the same, after the hangers hold the airplane, the steel wire rope is automatically adjusted through the pulley due to different stresses when hoisting, and the purpose of the same stress of the hangers is achieved. However, the structure needs to connect the pulley on each main hanger, resulting in more parts of the existing hanging beam and a more complex structure. SUMMARY

[0006] The present application aims to provide a hanging beam for airplane rescue which has a scientific and reasonable structure design, can be self-adjusted under stress, ensure the stability of the airplane when being lifted, prolong the service life of the main hangers and be easy to implement.

[0007] The present application solves the technical problem by the following technical scheme:

[0008] A stress self-adjusting hanging beam for airplane rescue comprises a main hanging beam, main hanging beam hangers, auxiliary hanging beams and auxiliary hanging beam hangers, the main hanging beam hangers are symmetrically arranged on the upper two ends of the main hanging beam, and the auxiliary hanging beams are connected to the auxiliary hanging beam hangers on the lower two ends of the main hanging beam, characterized in that a pulley block is arranged at intervals on the lower part of each auxiliary hanging beam, and one hoisting hanger is wound on each pulley block on the two sides.

[0009] Moreover, the lifting sling is connected by steel wire ropes from several groups of lifting slings, the lifting sling group comprises a pulley lifting sling, a main lifting sling connector and a main lifting sling, the pulley lifting sling is connected to the main lifting sling connector at both ends of the main lifting sling, the pulley lifting slings between every two adjacent lifting sling groups are connected by steel wire ropes, the steel wire ropes at this position are wound on the pulley group, and the steel wire ropes at both ends of the lifting sling are connected to the lifting rings at both ends of the auxiliary hoisting beam.

[0010] Moreover, the main lifting sling connector comprises a hanging ring, a U-shaped head, a connecting bolt and a nut, the hanging ring is installed at both ends of the pulley lifting sling, the U-shaped head is hung on the hanging ring, the opening of the U-shaped head is connected to the hanging ring by the cooperation of the connecting bolt and the nut, and the connecting bolt is threaded on the connecting lug at both ends of the main lifting sling.

[0011] Moreover, each pulley group is installed on the auxiliary hoisting beam through an adjusting seat, the adjusting seat comprises a first horizontal part, a second horizontal part and a first vertical part, the first vertical part is vertically bent upwards at both ends of the first horizontal part, the second horizontal part is vertically bent inwards at the upper ends of the two first vertical parts, vertical grooves are arranged in the middle of the two first vertical parts, and limiting screw holes are arranged in the grooves.

[0012] An adjusting tooth plate is installed at the bottom of the auxiliary hoisting beam, the adjusting tooth plate is a structure in which teeth are symmetrically and uniformly arranged on both sides of a plate body, and the space between every two teeth forms a limiting opening.

[0013] The adjusting seat is slidably connected to the adjusting tooth plate through the second horizontal part of the adjusting seat, and the adjusting seat is fixed by limiting the adjusting seat in the limiting opening of the adjusting tooth plate through the limiting screw holes of the limiting screw.

[0014] Moreover, the lifting ring is installed on the auxiliary hoisting beam through the adjusting seat.

[0015] Moreover, the main hoisting beam is provided with main hoisting beam adjusting holes which are uniformly arranged at both ends of the main hoisting beam, the lifting sling connector is installed on the main hoisting beam adjusting hole, the main hoisting beam lifting sling is connected to the upper part of the lifting sling connector, and the auxiliary hoisting beam lifting sling is connected to the lower part of the lifting sling connector.

[0016] The advantages and beneficial effects of the present application are as follows:

[0017] 1. The force self-adjusting hoisting beam for airplane rescue can adjust the length of the lifting sling according to the contact position during use, plays a role of uniform force distribution after lifting, ensures reliable support for the airplane and prolongs the service life of the lifting sling.

[0018] 2. The force self-adjusting aircraft rescue beam, by designing each lifting belt group as a structure with adjustable spacing, can conveniently adjust the bearing area according to different aircraft models, and further ensure the reliability of bearing.

[0019] 3. The force self-adjusting aircraft rescue beam has the advantages of force self-adjusting, ensuring the stability of aircraft lifting, prolonging the service life of the main lifting belt, wide application range of aircraft models, and easy implementation, and is a force self-adjusting aircraft rescue beam with high innovation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the present application;

[0021] Figure 2 is a structural schematic diagram of the present application;

[0022] Figure 3 is a structural schematic diagram of the present application;

[0023] Figure 4 is a structural schematic diagram of the present application;

[0024] Figure 5 is a structural schematic diagram of the present application.

[0025] REFERENCE NUMERALS

[0026] 1-main lifting belt, 2-main lifting belt connector, 3-pulley lifting belt, 4-end steel wire rope, 5-lifting ring, 6-pulley block, 7-intermediate steel wire rope, 8-secondary lifting beam connector, 9-secondary lifting beam lifting belt, 10-secondary lifting beam lifting belt connector, 11-main lifting beam connector, 12-main lifting beam lifting belt, 13-main lifting beam, 14-secondary lifting beam, 15-lifting belt connector, 16-main lifting beam adjusting hole, 17-hanging ring, 18-U-shaped head, 19-connection bolt, 20-connection ear, 21-plate body, 22-adjusting tooth plate, 23-adjusting seat, 24-limiting port, 25-tooth, 26-first horizontal part, 27-first vertical part, 28-limiting threaded hole, 29-second horizontal part. DETAILED DESCRIPTION

[0027] The present application will be further described in detail below through specific embodiments, the following embodiments are only descriptive and not limiting, and cannot limit the protection scope of the present application.

[0028] The force self-adjusting type aircraft rescue beam is characterized in that: a plurality of pulley blocks and lifting rings are arranged on the lower part of each of the auxiliary beams in a spaced manner, and a lifting belt is wound around each of the pulley blocks on the two sides; the lifting belt can be stretched and contracted on the pulley blocks to adjust the force on the contact part with the aircraft, thereby achieving the force self-adjusting effect.

[0029] The lifting belt is formed by connecting a plurality of belt groups by steel wires 4, each of the belt groups comprises a pulley belt 3, a main belt connecting piece 2 and a main belt 1, the pulley belt is connected to the two ends of the main belt by the main belt connecting piece, the pulley belts between two adjacent belt groups are connected by intermediate steel wires 7, the steel wires are wound around the pulley blocks, and the two ends of the lifting belt are connected to the lifting rings 21 at the two ends of the auxiliary beam by end steel wires 4.

[0030] The main belt connecting piece comprises a hanging ring 17, a U-shaped head 18, a connecting bolt 19 and a nut, the hanging ring is installed at the two ends of the pulley belt, the U-shaped head is hung on the hanging ring, the opening of the U-shaped head is connected to the hanging ring by the cooperation of the connecting bolt and the nut, and the connecting bolt is threaded through the connecting lug 20 at the two ends of the main belt.

[0031] In order to adapt to more aircraft models and adjust the bearing area of the lifting belt, the pulley blocks and the lifting rings connected by the steel wires are designed as adjustable structures on the auxiliary beam, the adjustable function is realized by the cooperation of the adjusting seat and the adjusting tooth plate, and the specific structure is as follows:

[0032] Each of the pulley blocks is installed on the auxiliary beam by the adjusting seat 23, the adjusting seat comprises a first horizontal part 26, a second horizontal part 29 and a first vertical part 27, the first vertical part is vertically bent upwards at the two ends of the first horizontal part, the second horizontal part is vertically bent inwards at the upper ends of the two first vertical parts, vertical grooves are arranged in the middle of the two first vertical parts, and limiting screw holes 28 are arranged in the grooves;

[0033] The adjusting tooth plate 22 is installed at the bottom of the auxiliary beam, the adjusting tooth plate is a structure that the teeth 25 are symmetrically arranged on the two sides of a plate body 21 in a spaced and uniform manner, and the space between the two teeth forms a limiting opening 24;

[0034] The adjusting seat is slidingly connected to the adjusting tooth plate by the second horizontal part thereon, and is fixed by the limiting screw holes and the limiting screws.

[0035] The lifting ring is installed on the auxiliary lifting beam through the adjusting seat.

[0036] In order to adapt to the width of the aircraft to be rescued, the distance between the auxiliary lifting beams is also designed as an adjustable structure. The main lifting beam adjusting holes 16 are uniformly distributed at both ends of the main lifting beam, the lifting belt connectors 15 are installed on the main lifting beam adjusting holes, the main lifting beam lifting belts are connected to the upper part of the lifting belt connectors, and the auxiliary lifting beam lifting belts are connected to the lower part of the lifting belt connectors.

[0037] The working process of the present application is as follows:

[0038] 1. The number and combination mode of the pulley blocks and the lifting rings installed on the auxiliary lifting beams are determined according to the type of the aircraft to be rescued;

[0039] 2. The distance between the pulley blocks and the distance between the pulley blocks and the lifting rings on the auxiliary lifting beams are adjusted;

[0040] 3. The steel wire ropes, the pulley lifting belts and the main lifting belt connectors are installed;

[0041] 4. The auxiliary lifting beam connectors, the auxiliary lifting beam lifting belts, the main lifting beam, the main lifting beam connectors and the main lifting beam lifting belts are installed;

[0042] 5. The other end of the main lifting beam lifting belt is connected to the crane hook;

[0043] 6. The installed parts are moved to the hoisting area of the aircraft by the crane, so that the auxiliary lifting beams are located on both sides of the fuselage and placed on the auxiliary lifting beam supports;

[0044] 7. The two ends of the main lifting belt are connected to the main lifting belt connectors in sequence;

[0045] 8. The crane is lifted and the fuselage is slowly lifted until the aircraft is in a horizontal position.

[0046] The adjustable pulley blocks and the adjustable lifting rings designed in the present application meet the adjustment requirements of different distances, thereby meeting the rescue requirements of various types of aircrafts. The connection mode of the main lifting belts ensures that each main lifting belt is equally stressed and the stability of the support. The present lifting beam structure is simple and convenient to operate.

[0047] Although the embodiments and the drawings of the present application are disclosed for the purpose of illustration, those skilled in the art can understand that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present application and the appended claims, therefore, the scope of the present application is not limited to the disclosed contents of the embodiments and the drawings.

Claims

1. A force self-adjusting type of beam for aircraft rescue, comprising a main beam, a main beam sling, a sub-beam and a sub-beam sling, main beam slings are symmetrically arranged at the upper two ends of the main beam, and a sub-beam is connected to the lower two ends of the main beam through a sub-beam sling, characterized in that: A plurality of pulley sets are arranged at intervals on the lower part of each auxiliary hoisting beam, and a hoisting sling is wound around each pulley set on the two sides; The hoisting sling is formed by connecting a plurality of sling groups by steel wires, and each sling group comprises a pulley sling, a main sling connector and a main sling. The pulley slings are connected to the main slings by the main sling connectors at the two ends of the main slings. The pulley slings between every two adjacent sling groups are connected by steel wires, and the steel wires at this position are wound around the pulley sets. The steel wires at the two ends of the hoisting sling are connected to the lifting rings at the two ends of the auxiliary hoisting beam. The main sling connector comprises a hanging ring, a U-shaped head, a connecting bolt and a nut. The hanging ring is installed at the two ends of the pulley sling, the U-shaped head is hung on the hanging ring, the opening of the U-shaped head is connected to the hanging ring by the connecting bolt and the nut, and the connecting bolt is installed in the connecting ear at the two ends of the main sling. Each pulley set is installed on the auxiliary hoisting beam by an adjusting seat. The adjusting seat comprises a first horizontal part, a second horizontal part and a first vertical part. The first vertical part is vertically bent upward at the two ends of the first horizontal part. The second horizontal part is vertically bent inward at the upper ends of the two first vertical parts. A vertical groove is arranged in the middle of the two first vertical parts, and a limiting screw hole is arranged in the groove. An adjusting tooth plate is installed at the bottom of the auxiliary hoisting beam. The adjusting tooth plate is a structure in which teeth are symmetrically arranged at intervals on both sides of a plate body. The space between every two teeth forms a limiting opening. The adjusting seat is connected to the adjusting tooth plate by the second horizontal part on the adjusting seat, and is fixed by the limiting screw hole in the limiting opening of the adjusting tooth plate.

2. The self-adjusting force-resisting beam for aircraft rescue according to claim 1, characterized in that: The lifting ring is installed on the auxiliary hoisting beam by the adjusting seat.

3. The self-adjusting force-resisting beam for aircraft rescue according to claim 1, characterized in that: A plurality of main hoisting beam adjusting holes are arranged at intervals on the two ends of the main hoisting beam. A sling connector is installed on the main hoisting beam adjusting hole. The main hoisting beam sling is connected to the upper part of the sling connector, and the auxiliary hoisting beam sling is connected to the lower part of the sling connector.

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