CN114888744A

CN114888744A - Three-degree-of-freedom airborne equipment dismounting platform

Info

Publication number: CN114888744A
Application number: CN202210458092.2A
Authority: CN
Inventors: 张轶群; 林载誉; 虞庆庆; 薛勇杰
Original assignee: CETC 14 Research Institute
Current assignee: CETC 14 Research Institute
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-12

Abstract

The invention relates to the technical field of tool equipment, and particularly discloses a three-degree-of-freedom airborne equipment dismounting platform which comprises a chassis, an adjusting mechanism and a fixed seat, wherein the chassis is a bearing structure of all parts, the adjusting mechanism and the fixed seat are arranged on the chassis, and the chassis is fixed with an end frame of an airplane; the adjusting mechanism realizes adjustment of three degrees of freedom of movement, lifting and rotation, the fixed seat is arranged on the adjusting mechanism, and the fixed seat is fixed with the equipment to be disassembled and assembled; the end frames are main bearing structures of the airplane, the end frames are arranged along the course direction, and the arranged end frames form an integral frame under the connection of the stringers; rectangular holes are formed in the end frames, and the chassis stretches across the T-shaped beams at the lower edges of the rectangular holes of the two groups of end frames; the invention can be conveniently fixed on an airplane, and the installation position can be adjusted at will: through utilizing current end frame structure, adopt the mode of couple and compress tightly, fix the instrument on the aircraft, and possess three degree of freedom regulatory functions.

Description

Three-degree-of-freedom airborne equipment dismounting platform

Technical Field

The invention relates to the technical field of tool equipment, in particular to a three-degree-of-freedom airborne equipment dismounting platform.

Background

Along with the expansion of airplane functions, the number of airborne equipment is gradually increased, the installation positions are distributed in all areas in the airplane, and the difficulty in dismounting some equipment installed in a narrow cabin is higher; along with the promotion of functional performance requirement, airborne equipment weight and appearance increase gradually, have further improved the dismouting degree of difficulty of equipment. Therefore, a portable disassembling tool is needed to be designed to solve the difficulty in disassembling and assembling the onboard equipment in a narrow cabin space.

Different from the installation of the onboard equipment outside the cabin by using a factory building truss or a crane, the onboard equipment inside the cabin is installed by manual carrying at present. To the equipment that design weight surpassed personnel's transport limit, reduce single volume weight, reduce the dismouting degree of difficulty through the mode of split installation mostly. Although the mode of equipment split installation can solve the dismouting difficult problem of "equipment is heavy, and the appearance is big, and the space is little", nevertheless often the dismouting procedure is complicated, and the operation requires highly, and the dismouting degree of difficulty is big, sometimes leads to even that established function can't realize.

Disclosure of Invention

The invention aims to provide a three-degree-of-freedom airborne equipment dismounting platform to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a three-degree-of-freedom airborne equipment dismounting platform comprises a chassis, an adjusting mechanism and a fixed seat, wherein the chassis is a bearing structure of all parts, the adjusting mechanism and the fixed seat are arranged on the chassis, and the chassis is fixed with an end frame of an airplane; the adjusting mechanism realizes adjustment of three degrees of freedom of movement, lifting and rotation, the fixed seat is arranged on the adjusting mechanism, and the fixed seat is fixed with the equipment to be disassembled and assembled; the end frames are main bearing structures of the airplane, the end frames are arranged along the course direction, and the arranged end frames form an integral frame under the connection of the stringers; the end frames are provided with rectangular holes, the chassis spans the T-shaped beams at the lower edges of the rectangular holes of the two groups of end frames, and the two groups of T-shaped beams are respectively a first T-shaped beam and a second T-shaped beam; the chassis comprises a hook head, a supporting plate and a clamping block.

Preferably, the supporting plate is of an L-shaped structure as a whole; one end of the supporting plate is connected with the first T-shaped beam through the hook head, and the other end of the supporting plate is fixed with the second T-shaped beam through the clamping block.

Preferably, the whole level of backup pad sets up, and the vertical perk of one end upwards forms L type structure, the gib head sets up the one end at the backup pad perk.

Preferably, the hook head is integrally in an L-shaped structure, the end part of the hook head is provided with a mountain-shaped buckle structure, and the buckle structure is directly clamped on the first T-shaped beam; two groups of hook heads are symmetrically arranged, and waist-shaped fixing holes are arranged at the tilting positions of the supporting plate and are mutually fixed with the hook heads; the gib head adopts the mounting means of positive and negative formula, and wherein the L type structure of gib head sets up to positive mounting means up, and L type structure sets up to negative mounting means down.

Preferably, four groups of clamping blocks are arranged, one end, connected with the clamping blocks, of the supporting plate is of a cross-shaped structure, and the clamping blocks are clamped on the cross-shaped structure and fixedly locked with the second T-shaped beam through screws.

Preferably, adjustment mechanism includes slip table, flat board, first jack, second jack and regulating plate, the dull and stereotyped downside passes through the slip table to be installed in the backup pad, and first jack, second jack are installed side by side at dull and stereotyped upside, and first jack, second jack output link to each other with the regulating plate, regulating plate and fixing base fixed connection.

Preferably, the sliding table consists of a guide rail and a sliding block, the guide rail is fixedly arranged on the supporting plate, the upper part of the sliding block is fixedly connected with the flat plate, the sliding block is driven by a motor to move along the guide rail, and the motor is connected with a controller.

Preferably, the output ends of the first jack and the second jack are respectively connected with an adjusting plate through pin shafts, and the adjusting plate is provided with a first round pin hole and a second waist-shaped pin hole; the first pin hole is connected with a pin shaft corresponding to the first jack, and the second pin hole is connected with a pin shaft corresponding to the second jack.

Preferably, the fixing seat is provided with an equipment installation interface, and the equipment installation interface and the equipment to be disassembled and assembled are arranged correspondingly to each other.

Compared with the prior art, the invention has the beneficial effects that:

1. the device is suitable for installation scenes of most of machines, and is particularly convenient and fast to install in a narrow cabin; the hook head and the clamping block are fixed with the most common end frame T-shaped beam on the airplane, so that the installation is convenient and rapid, and the advantage is more remarkable particularly in a narrow cabin. The height-adjustable design and the front-back mountable design of the hook head are adopted, so that the T-shaped beam hook is suitable for T-shaped beams with different height differences and can be suitable for installation scenes on most machines;

2. the device can adapt to different airborne equipment by replacing the fixed seat, and has good adaptability; the fixed seat is designed in a replaceable form, and can be adaptively designed aiming at different airborne equipment; if the equipment is reserved with a mounting hole, a mounting hole or a threaded hole can be designed on the fixed seat for fixing; the equipment is provided with a pin hole, and the fixed seat can be fixed with the equipment through a pin shaft; the equipment is not reserved with a fixed structure, and the fixed seat can be designed into a clamping structure, so that the adaptability is good;

3. the attitude adjustment of the airborne equipment on the airplane can be easily realized, and the difficulty in dismounting, mounting and carrying is reduced; the adjusting mechanism can easily adjust the posture of the fixing seat from three degrees of freedom of translation, lifting and rotation, and is matched with airborne equipment at different mounting positions to assist the dismounting. The equipment can be driven to move in the narrow cabin, so that the equipment can be moved out of the narrow cabin, the subsequent carrying is convenient, and the operation difficulty of maintenance personnel is obviously reduced;

4. the appearance weight limit of the airborne equipment in the narrow cabin is widened, and the performance of the airborne equipment is improved; the disassembly and assembly difficulty of the onboard equipment in the narrow cabin can be obviously reduced, the limitation on the appearance and the weight of the onboard equipment in the narrow space can be further relaxed, and more possibilities are created for improving the performance of the equipment.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a schematic view of the clamping block installation of the present invention;

FIG. 4 is a schematic view of the reverse installation of the hook head of the present invention;

FIG. 5 is a schematic view of the formal installation of the hook head of the present invention;

FIG. 6 is a schematic diagram of the turning of the top end of the first weight of the adjusting plate of the present invention;

FIG. 7 is a schematic view of the second jack end of the adjustment plate of the present invention turned upside down;

FIG. 8 is a schematic view of an embodiment of the present invention;

reference numbers in the figures: 1. a chassis; 11. a hook head; 12. a support plate; 13. a clamping block; 2. an adjustment mechanism; 21. a sliding table; 22. a flat plate; 23. a first jack; 24. a second jack; 25. an adjusting plate; 26. a pin shaft; 27. a first pin hole; 28. a second pin hole; 3. a fixed seat; 31. an equipment installation interface; 4. a first T-beam; 5. a second T-beam; 6. an end frame; 7. and (5) equipment to be disassembled and assembled.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-8, the present invention provides a technical solution: a three-degree-of-freedom airborne equipment dismounting platform comprises a chassis 1, an adjusting mechanism 2 and a fixed seat 3, wherein the chassis 1 is a bearing structure of all parts, the adjusting mechanism 2 and the fixed seat 3 are installed on the chassis 1, and the chassis 1 is fixed with an end frame 6 of an airplane; the adjusting mechanism 2 realizes adjustment of three degrees of freedom of movement, lifting and rotation, the fixed seat 3 is installed on the adjusting mechanism 2, and the fixed seat 3 is fixed with the equipment 7 to be disassembled and assembled; the end frames 6 are main bearing structures of the airplane, the end frames are arranged along the course direction, and the arranged end frames 6 form an integral frame under the connection of the stringers; rectangular holes are formed in the end frames 6, the chassis 1 spans the T-shaped beams at the lower edges of the rectangular holes of the two groups of end frames 6, and the two groups of T-shaped beams are respectively a first T-shaped beam 4 and a second T-shaped beam 5; the chassis 1 comprises a hook head 11, a support plate 12 and a clamping block 13.

Further, the support plate 12 is integrally of an L-shaped structure; one end of the supporting plate 12 is connected with the first T-shaped beam 4 through the hook head 11, and the other end is fixed with the second T-shaped beam 5 through the clamping block 13.

Furthermore, the whole level of backup pad 12 sets up, and the vertical perk of one end upwards forms L type structure, gib head 11 sets up the one end at the backup pad 12 perk.

Furthermore, the hook head 11 is integrally in an L-shaped structure, and the end part of the hook head is provided with a mountain-shaped buckle structure which is directly clamped on the first T-shaped beam 4; two groups of hook heads 11 are symmetrically arranged, and waist-shaped fixing holes are arranged at the tilting positions of the supporting plate 12 and are mutually fixed with the hook heads 11; the hook head 11 adopts a positive and negative installation mode, wherein the L-shaped structure of the hook head 11 is upwards arranged to be the positive installation mode, and the L-shaped structure is downwards arranged to be the negative installation mode.

Furthermore, four groups of clamping blocks 13 are arranged, one end of the supporting plate 12, which is connected with the clamping blocks 13, is of a cross-shaped structure, and the clamping blocks 13 are clamped on the cross-shaped structure and are fixedly locked with the second T-shaped beam 5 through screws.

Further, adjustment mechanism 2 includes slip table 21, dull and stereotyped 22, first jack 23, second jack 24 and regulating plate 25, dull and stereotyped 22 downside passes through slip table 21 to be installed on backup pad 12, and first jack 23, second jack 24 are installed side by side at dull and stereotyped 22 upside, and first jack 23, the 24 output ends of second jack link to each other with regulating plate 25, regulating

plate

25 and 3 fixed connection of fixing base.

Further, the sliding table 21 is composed of a guide rail and a sliding block, the guide rail is fixedly installed on the supporting plate 12, the upper portion of the sliding block is fixedly connected with the flat plate 22, the sliding block is driven by a motor to move along the guide rail, and the motor is connected with a controller.

Further, the output ends of the first jack 23 and the second jack 24 are respectively connected with an adjusting plate 25 through a pin shaft 26, and a circular first pin hole 27 and a waist-shaped second pin hole 28 are arranged on the adjusting plate 25; the first pin hole 27 is connected with the pin 26 corresponding to the first jack 23, and the second pin hole 28 is connected with the pin 26 corresponding to the second jack 24.

Further, an equipment installation interface 31 is arranged on the fixed seat 3, and the equipment installation interface 31 and the equipment to be disassembled and assembled 7 are arranged correspondingly to each other.

Referring to FIGS. 1-8, embodiments of the present invention are described below for further illustration:

example 1: the dismounting platform is completed by a chassis 1, an adjusting mechanism 2 and a fixed seat 3.

The two ends of the chassis 1 are fixedly installed with the T-shaped beam of the airplane and play a role in bearing; the chassis 1 consists of 1 pair of hook heads 11, a supporting plate 12 and four clamping blocks 13; the tool is only used in a cabin at the tail of a machine, and the height difference of the T-shaped beam is relatively fixed, so that the hook head 11 is designed into a single-hook structure, and can be designed into a double-hook structure with a structure in a shape of Chinese character 'shan' in practical application; the hook head 11 and the support plate 12 are installed in a long waist hole in the height direction, and the support plate 12 is fixed on the rear T-shaped beam through a clamping block 13.

The adjusting mechanism 2 realizes the adjustment of three degrees of freedom of movement, lifting and rotation; the adjusting mechanism 2 is composed of 1 set of sliding table 21, a flat plate 22, a first jack 23, a second jack 24 and an adjusting plate 25. The sliding table 21 is arranged on the supporting plate 12, and the upper part is provided with a flat plate 22 which can drive the whole adjusting mechanism 2 to move; the first jack 23 and the second jack 24 are scissor jacks, are arranged on the flat plate 22 in a front-back manner and are interconnected with the adjusting plate 25 through a pin shaft 26; the connecting hole between the adjusting plate 25 and the first jack 23 is a first round pin hole 27, and the connecting hole between the adjusting plate 25 and the second jack 24 is a second waist-shaped pin hole 28, so that the pin shaft 26 can move back and forth in the second pin hole 28, and the adjusting plate 25 can be turned over conveniently. The rear part of the adjusting plate 25 is provided with a handle for the operation of the personnel.

The fixing seat 3 is used for mounting and fixing the device to be dismounted. The fixing base 3 and the adjusting plate 25 in embodiment 1 are designed to be fused because of the consideration of designing as a special tool and compressing the size. In embodiment 1, 2 mounting holes are reserved at the bottom of the device 7 to be disassembled and assembled, so that 2 loose-proof screws are arranged on the adjusting plate 25 in the design of the fixing seat 3 as the device mounting interfaces 31.

When the matching equipment is disassembled, the tool has the following operation steps:

1. fixing a tool:

placing the disassembling tool A on the T-shaped beam near the equipment to be disassembled, and hooking the hook head 11 on the first T-shaped beam 4; the mounting screws between the hook head 11 and the support plate 12 are properly adjusted, so that the height difference between the chassis 1 and the first T-shaped beam 4 and the second T-shaped beam 5 is matched; the support plate 12 and the second T-beam 5 are clamped and locked by means of the clamping blocks 13.

2. Adjusting the tool:

the sliding table 21 is pulled to move back and forth through the handle of the adjusting plate 25, and the motor can also drive the sliding table 21 to move, so that the aim of electric control is fulfilled; the fixed seat 3 is lifted by synchronously lifting the first jack 23 and the second jack 24, and the fixed seat 3 rotates around the pin shaft 26 by asynchronous lifting of the first jack 23 and the second jack 24; through the process, the posture of the adjusting tool is adjusted, so that the equipment installation interface 31 is aligned with the installation hole reserved for the equipment 7 to be disassembled and assembled.

3. Fixing equipment:

the equipment 7 to be disassembled and assembled is fixed with the loose-falling screw 3-1 of the equipment installation interface 31 through a screw; dismantling the mounting screws of the equipment 7 to be disassembled and assembled and the airplane;

4. a mobile device:

the posture of the equipment 7 to be disassembled and assembled is adjusted through the adjusting mechanism 2, and the equipment is moved out of the cabin to complete the disassembly.

The installation is the reverse process of disassembly.

Example 2:

in order to expand the usable range of the present tool on an airplane, the hook head 11 in embodiment 1 is designed in a double hook shape of a "chevron shape" as shown in fig. 4 or 5.

Example 3:

in order to expand the usable range of the tool for different devices, the fixed seat 3 and the adjusting plate 25 in the embodiment 1 are designed in a split mode. The fixing seat 3 can be replaced by various fixing modes such as clamping, pin holes and the like according to the specific condition of the device to be disassembled.

Example 4:

in the case that the equipment to be disassembled and assembled is light in weight or the moving range does not exceed the distance between two T-shaped beams, the fixing clamp 13 in the embodiment 1 can be omitted, and the tool can be directly fixed in a hooking mode, so that the installation is simpler and more convenient.

It is worth noting that: the whole device realizes control over the device through the master control button, and because the equipment matched with the control button is common equipment, the device belongs to the prior mature technology, and the electrical connection relation and the specific circuit structure of the device are not described any more.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The three-degree-of-freedom airborne equipment dismounting platform is characterized in that: the airplane body support frame comprises a chassis (1), an adjusting mechanism (2) and a fixed seat (3), wherein the chassis (1) is a bearing structure of all parts, the adjusting mechanism (2) and the fixed seat (3) are installed on the chassis (1), and the chassis (1) is fixed with an end frame (6) of an airplane; the adjusting mechanism (2) realizes adjustment in three degrees of freedom of movement, lifting and rotation, the fixed seat (3) is installed on the adjusting mechanism (2), and the fixed seat (3) is fixed with the equipment (7) to be disassembled and assembled; the end frames (6) are main bearing structures of the airplane, the end frames (6) are arranged along the course direction, and the arranged end frames (6) form an integral frame under the connection of the stringers; rectangular holes are formed in the end frames (6), the chassis (1) stretches across the T-shaped beams at the lower edges of the rectangular holes of the two groups of end frames (6), and the two groups of T-shaped beams are respectively a first T-shaped beam (4) and a second T-shaped beam (5); the chassis (1) comprises a hook head (11), a supporting plate (12) and a clamping block (13).

2. The three-degree-of-freedom airborne device disassembly and assembly platform of claim 1, wherein: the supporting plate (12) is of an L-shaped structure as a whole; one end of the supporting plate (12) is connected with the first T-shaped beam (4) through a hook head (11), and the other end of the supporting plate is fixed with the second T-shaped beam (5) through a clamping block (13).

3. The three-degree-of-freedom airborne device disassembly and assembly platform of claim 2, wherein: the whole level of backup pad (12) sets up, and vertical perk forms L type structure one end is upwards, gib head (11) set up the one end at backup pad (12) perk.

4. The three-degree-of-freedom airborne device disassembly and assembly platform of claim 3, wherein: the hook head (11) is integrally in an L-shaped structure, the end part of the hook head is provided with a V-shaped buckle structure, and the buckle structure is directly clamped on the first T-shaped beam (4); two groups of hook heads (11) are symmetrically arranged, and waist-shaped fixing holes are arranged at the tilting positions of the supporting plate (12) and are mutually fixed with the hook heads (11); the gib head (11) adopts the mounting means of positive and negative formula, and wherein the L type structure of gib head (11) sets up to positive mounting means up, and L type structure sets up to negative mounting means down.

5. The three-degree-of-freedom airborne device disassembly and assembly platform of claim 2, wherein: the clamping blocks (13) are provided with four groups, one end of the supporting plate (12) connected with the clamping blocks (13) is of a cross-shaped structure, and the clamping blocks (13) are clamped on the cross-shaped structure and are fixedly locked with the second T-shaped beam (5) through screws.

6. The three-degree-of-freedom airborne device disassembly and assembly platform of claim 1, wherein: adjustment mechanism (2) are including slip table (21), dull and stereotyped (22), first jack (23), second jack (24) and regulating plate (25), dull and stereotyped (22) downside is installed on backup pad (12) through slip table (21), and first jack (23), second jack (24) are installed side by side at dull and stereotyped (22) upside, and first jack (23), second jack (24) output link to each other with regulating plate (25), regulating plate (25) and fixing base (3) fixed connection.

7. The three-degree-of-freedom airborne device disassembly and assembly platform of claim 6, wherein: the sliding table (21) is composed of a guide rail and a sliding block, the guide rail is installed and fixed on the supporting plate (12), the upper portion of the sliding block is fixedly connected with the flat plate (22), the sliding block is driven by a motor to move along the guide rail, and the motor is connected with a controller.

8. The three-degree-of-freedom airborne device disassembly and assembly platform of claim 6, wherein: the output ends of the first jack (23) and the second jack (24) are respectively connected with an adjusting plate (25) through a pin shaft (26), and a circular first pin hole (27) and a waist-shaped second pin hole (28) are formed in the adjusting plate (25); the first pin hole (27) is connected with a pin shaft (26) corresponding to the first jack (23), and the second pin hole (28) is connected with a pin shaft (26) corresponding to the second jack (24).

9. The three-degree-of-freedom airborne device disassembly and assembly platform of claim 1, wherein: the fixing seat (3) is provided with an equipment installation interface (31), and the equipment installation interface (31) and the equipment (7) to be disassembled and assembled are arranged correspondingly.