CN211004176U

CN211004176U - Combined adjusting type auxiliary beam structure

Info

Publication number: CN211004176U
Application number: CN201921808836.9U
Authority: CN
Inventors: 刘增禹; 常东辉
Original assignee: Zhongan Tianjin Aviation Equipment Co ltd
Current assignee: Zhongan Tianjin Aviation Equipment Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-14
Anticipated expiration: 2029-10-25

Abstract

The utility model provides a combination adjustment formula auxiliary girder structure, including main suspender, girder assembly, auxiliary girder assembly and organism suspender, main suspender is fixed in the top at the both ends of girder assembly, and auxiliary girder assembly hangs the below at the both ends of girder assembly through auxiliary suspender, and the organism suspender is hung to auxiliary girder assembly below. A combination regulation formula auxiliary girder structure, following beneficial effect has: in the emergency rescue process of the aircraft, the longitudinal length of the required hoisting equipment is adjusted according to the change of the model, the adjusting mode can be realized by increasing or decreasing the number of the auxiliary beams and adjusting the number and the positions of the positioning holes of the auxiliary beams, and the aircraft of various models can be rescued.

Description

Combined adjusting type auxiliary beam structure

Technical Field

The utility model belongs to airborne vehicle rescue lifting device especially relates to a combination regulation formula auxiliary girder structure, is the rescue lifting device of the specialty that uses when implementing airborne vehicle emergency rescue.

Background

With the advancement of technology, aircraft have gained a greater proportion of alternative vehicles. The aircraft has the characteristics of large volume, heavy weight and weak surface strength due to the special skin structure of the aircraft, and the rescue difficulty is greatly increased due to the difference of various types of aircraft, so that the requirements of common hoisting equipment are difficult to meet. Professional hoisting equipment must meet various models of aircrafts, and high requirements are put forward on the adjustability of the hoisting equipment, particularly the adjustability of the longitudinal length of the hoisting equipment.

Disclosure of Invention

In view of this, the present invention aims to provide a combination adjustable auxiliary beam structure, which can solve the above problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a combination adjustment formula auxiliary girder structure, includes main suspender, girder assembly, auxiliary girder assembly and organism suspender, main suspender is fixed in the top at the both ends of girder assembly, and auxiliary girder assembly hangs in the below at the both ends of girder assembly through auxiliary suspender, hangs organism suspender below the auxiliary girder assembly.

Furthermore, the auxiliary beam assembly comprises an auxiliary beam and a shackle, the upper end of the auxiliary beam is connected with an auxiliary hanging strip through the shackle, and the lower end of the auxiliary beam is hung with the machine body hanging strip.

Furthermore, each secondary beam is hung with a machine body hanging strip, and two ends of the machine body hanging strip are respectively hung at two ends of the secondary beam.

Furthermore, a group of machine body hanging belts are hung on the two auxiliary beams together, and two ends of the machine body hanging belts are hung on the two auxiliary beams respectively.

Furthermore, each group of machine body hanging strips comprises a plurality of same hanging strip units which are mutually connected, the hanging strip units are mutually parallel, and two ends of each hanging strip unit are respectively hung on the two auxiliary beams.

Furthermore, the same number of auxiliary beams are hung at the two ends of the main beam assembly, and the body hanging belts are correspondingly hung between the auxiliary beams at the two ends of the main beam assembly.

Furthermore, two adjacent auxiliary beams on one side of the main beam assembly are detachably connected through a longitudinal suspender.

Furthermore, the two ends of the longitudinal suspender are connected with the auxiliary beam through pin shafts, the shackle penetrates through the longitudinal suspender and the auxiliary beam, and the upper part of the auxiliary beam is correspondingly provided with a pin shaft hole for penetrating through the pin shaft and a shackle hole for penetrating through the shackle.

Furthermore, a plurality of chain holes are formed in the lower portion of the auxiliary beam, chains penetrate through the chain holes, and the machine body hanging strip is connected with the auxiliary beam through the chains.

Furthermore, the shackle hole is arranged above the pin shaft hole.

Furthermore, be equipped with the chain ware that contracts of self-interacting chain length on the chain, the both ends of chain are connected with goat's horn insurance shackle respectively, and the one end of chain is passed through goat's horn insurance shackle and is connected the auxiliary girder, and goat's horn insurance shackle runs through the chain hole, and the other end of chain passes through goat's horn insurance shackle and connects the organism suspender.

Compared with the prior art, a combination regulation formula auxiliary girder structure, following beneficial effect has: in the emergency rescue process of the aircraft, the longitudinal length of the required hoisting equipment is adjusted according to the change of the model, the adjusting mode can be realized by increasing or decreasing the number of the auxiliary beams and adjusting the number and the positions of the positioning holes of the auxiliary beams, and the aircraft of various models can be rescued.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic structural view of example 1;

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

FIG. 3 is a schematic view of the connection between the secondary beam assembly and the body harness of FIG. 1;

FIG. 4 is a schematic view showing the connection between the secondary beam and the longitudinal hanger of FIG. 3;

FIG. 5 is an enlarged schematic view of the secondary beam of FIG. 4;

FIG. 6 is a schematic view of the longitudinal hanger bar of FIG. 4;

FIG. 7 is a schematic structural view of embodiment 2 (4 harness units as body harnesses);

FIG. 8 is a schematic view showing the connection between the body harness and the secondary beam of FIG. 7;

FIG. 9 is a schematic structural view of embodiment 2 (body harness is 2 harness units);

FIG. 10 is a schematic view of the connection of the body harness and secondary beam of FIG. 9;

FIG. 11 is a schematic structural view of example 3;

FIG. 12 is a schematic view of the structure of the secondary beam assembly and body harness of FIG. 11;

FIG. 13 is a schematic view of a novel adjusting chain structure;

FIGS. 14-15 are schematic illustrations of the application of FIG. 13;

FIG. 16 is a front view of the chain retractor;

FIG. 17 is a side view of the chain retractor;

description of reference numerals:

1-main sling; 2-a main beam assembly; 3-auxiliary sling; 4-a longitudinal boom; 5-secondary beam; 6-body sling; 61-a connecting band; 62-a sling unit; 7-shackle removal; 8-a pin shaft; 9-a shackle hole; 10-pin shaft hole; 11-chain holes; 12-a chain; 13-a chain reducer; 14-horn safety shackle.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

As shown in fig. 1-6, a combined adjustable secondary beam structure comprises a main sling 1, a main beam assembly 2, a secondary beam assembly and a machine body sling 6, wherein the main sling 1 is fixed above two ends of the main beam assembly 2, the secondary beam assembly is suspended below two ends of the main beam assembly 2 through the secondary sling 3, and the machine body sling 6 is suspended below the secondary beam assembly.

The auxiliary beam assembly comprises an auxiliary beam 5, a longitudinal suspender 4 and a shackle 7, the upper end of the auxiliary beam 5 is connected with an auxiliary hanging strip 3 through the shackle 7, and a machine body hanging strip 6 is hung at the lower end of the auxiliary beam 5.

Two auxiliary beams 5 are respectively hung at two ends of the main beam assembly 2, the two auxiliary beams 5 at one side of the main beam assembly 2 are detachably connected through the longitudinal suspender 4, and two groups of machine body suspenders 6 are correspondingly hung on the four auxiliary beams 5 of the two longitudinal suspenders 4.

Each set of body straps 6 comprises a plurality of (2 or 4, etc.) identical strap units 62 connected with each other, the strap units 62 can be vertically connected with each other by a connecting belt 61, as shown in fig. 10, the strap units 62 are parallel with each other, and both ends of each strap unit 62 are respectively hung on the secondary beam 5.

The two ends of the longitudinal suspender 4 are connected with the auxiliary beam 5 through a pin shaft 8, the shackle 7 penetrates through the longitudinal suspender 4 and the auxiliary beam 5, and the upper part of the auxiliary beam 5 is correspondingly provided with a pin shaft hole 10 for penetrating through the pin shaft 8 and a shackle hole 9 for penetrating through the shackle 7.

The lower part of the secondary beam 5 is provided with a plurality of chain holes 11, chains 12 penetrate through the chain holes 11, and the hanging strip unit 62 is connected with the secondary beam 5 through the chains 12. The shackle hole 9 is arranged above the pin shaft hole 10.

Example 2

As shown in fig. 7 to 10, unlike embodiment 1, the main beam assembly 2 is suspended at both ends thereof with one secondary beam 5 without the secondary harness 3 by shackles 7, respectively. The two secondary beams 5 together suspend a set of body harnesses 6.

Example 3

As shown in fig. 11 to 12, unlike embodiment 1, the secondary beam assembly of embodiment 1 includes the secondary beams 5 and the shackle 7, does not include the longitudinal suspension rod 4, and has only two secondary beams 5, and the two secondary beams 5 are respectively suspended at both ends of the main beam assembly 2. A body harness 6 (single harness unit) is hung at the lower end of each secondary beam 5, and both ends of each body harness 6 are respectively hung at both ends of the single secondary beam 5. The upper end of the secondary beam 5 is suspended at the lower end of the main beam assembly 2 through a shackle 7.

Example 4

As shown in fig. 13 to 15, the differences from examples 1 to 3 are: a novel adjusting chain structure is adopted instead of the chain 12 of the embodiments 1-3. The chain contracting device 13 is fixed in the middle of an original chain 12, two ends of the chain 12 are respectively connected with a claw safety shackle 14, one end of the chain 12 is connected with the auxiliary beam 5 through the claw safety shackle 14, the claw safety shackle 14 penetrates through a chain hole 11, and the other end of the chain 12 is connected with the machine body sling 6 through the claw safety shackle 14.

The chain 12 for adjusting the chain is integrally machined and formed by steel components, so that the strength is high; the two ends of the chain 12 are connected with the claw safety shackles 14, so that the structure is simple and the assembly is convenient; the chain 12 is provided with a chain contracting device 13 capable of automatically adjusting the length of the chain, the chain contracting device is connected to the chain 12, other connecting parts are not needed, the chain contracting device can be locked at any position, self adjustment is achieved, an auxiliary chain does not need to be added, and space is saved. As shown in fig. 16-17, the ideal shape of the opening of the cross-shaped groove on the chain retractor 13 allows the chain ring to be properly installed and supported without any reduction in load bearing capacity, and the chain retractor 13 is a commercially available german lude VMVK multifunctional chain retractor. The adjusting chain mainly finely adjusts the distance between the machine body sling 6 and the longitudinal suspender 4 (or the auxiliary beam 5), ensures that the sling is attached to the machine body, and finishes hoisting.

In conclusion, in the emergency rescue process of the aircraft, the longitudinal length of the required hoisting equipment is adjusted according to the change of the model, the adjusting mode can be realized by increasing or decreasing the number of the auxiliary beams and adjusting the number and the positions of the positioning holes of the auxiliary beams, and the aircraft of various models can be rescued.

The use of the current model can be met by adjusting the body sling 6 and the auxiliary beam chain hole 11 without the longitudinal suspender 4 under the general condition, and the use requirement can be met by adding the longitudinal suspender 4 when the model with a wider fuselage appears again. The longitudinal suspender 4 is connected with the auxiliary beam 5 through a pin 8 and is connected with the auxiliary sling 3 through a shackle 7. The shackle 7 is also connected to the longitudinal boom 4 by a pin.

The longitudinal suspender 4 is formed by welding a square pipe and a steel plate, and has simple and stable structure and convenient installation. The auxiliary beam 5 is formed by processing steel plates, has stable structure and is convenient to move, disassemble and assemble. The shackle 7 is not provided with connecting threads, so that the pin shaft 8 can conveniently pass through.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a combination regulation formula auxiliary girder structure which characterized in that: the main hanging strip (1) is fixed above the two ends of the main beam assembly (2), the auxiliary beam assembly is hung below the two ends of the main beam assembly (2) through the auxiliary hanging strip (3), and the machine body hanging strip (6) is hung below the auxiliary beam assembly.

2. The combination adjustable secondary beam structure as defined in claim 1, wherein: the auxiliary beam assembly comprises an auxiliary beam (5) and a shackle (7), the upper end of the auxiliary beam (5) is connected with the auxiliary hanging strip (3) through the shackle (7), and the lower end of the auxiliary beam (5) is hung with the machine body hanging strip (6).

3. The combination adjustable secondary beam structure as defined in claim 2, wherein: each auxiliary beam (5) is hung with an engine body hanging strip (6), and two ends of the engine body hanging strip (6) are respectively hung at two ends of the auxiliary beam (5).

4. The combination adjustable secondary beam structure as defined in claim 2, wherein: a group of machine body hanging strips (6) are hung on the two auxiliary beams (5) together, and two ends of the machine body hanging strips (6) are hung on the two auxiliary beams (5) respectively.

5. The combination adjustable secondary beam structure as defined in claim 4, wherein: each group of organism suspender (6) comprises a plurality of identical suspender units (62) which are mutually connected, the suspender units (62) are mutually parallel, and two ends of each suspender unit (62) are respectively hung on the two auxiliary beams (5).

6. The combination adjustable secondary beam structure as defined in claim 2, wherein: the auxiliary beams with the same quantity are hung at the two ends of the main beam assembly (2), and the machine body hanging belts are correspondingly hung between the auxiliary beams at the two ends of the main beam assembly (2).

7. The combination adjustable secondary beam structure as defined in claim 6, wherein: two adjacent auxiliary beams (5) on one side of the main beam assembly (2) are detachably connected through a longitudinal suspender (4).

8. The combination adjustable secondary beam structure as defined in claim 7, wherein: the two ends of the longitudinal suspender (4) are connected with the auxiliary beam (5) through the pin shaft (8), the shackle (7) penetrates through the longitudinal suspender (4) and the auxiliary beam (5), and the upper part of the auxiliary beam (5) is correspondingly provided with a pin shaft hole (10) for penetrating through the pin shaft (8) and a shackle hole (9) for penetrating through the shackle (7).

9. The combination adjustable secondary beam structure as defined in any one of claims 1 to 8, wherein: the lower part of the auxiliary beam (5) is provided with a plurality of chain holes (11), a chain (12) penetrates through the chain holes (11), and the machine body sling (6) is connected with the auxiliary beam (5) through the chain (12).

10. The combination adjustable secondary beam structure according to claim 9, wherein: the chain-contracting device is characterized in that a chain-contracting device (13) capable of automatically adjusting the length of the chain is arranged on the chain (12), two ends of the chain (12) are respectively connected with a claw safety shackle (14), one end of the chain (12) is connected with the auxiliary beam (5) through the claw safety shackle (14), the claw safety shackle (14) penetrates through the chain hole (11), and the other end of the chain (12) is connected with the machine body sling (6) through the claw safety shackle (14).