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

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

A three-degree-of-freedom airborne equipment disassembly and assembly platform

technical field

The invention relates to the technical field of tooling tools, in particular to a three-degree-of-freedom airborne equipment disassembly and assembly platform.

Background technique

With the expansion of aircraft functions, the number of airborne equipment is increasing, and the installation positions are all over the aircraft. Some of the equipment installed in small cabins are difficult to disassemble; with the improvement of functional performance requirements, the weight of airborne equipment and The appearance is increasing day by day, which further increases the difficulty of disassembly and assembly of the equipment. Therefore, it is necessary to design a portable disassembly tool to solve the problem of disassembly and assembly of airborne equipment in a narrow cabin space.

Unlike the airborne equipment outside the cabin, which can be installed by using a workshop truss crane or a crane, the airborne equipment in the cabin is currently installed by manual handling. For equipment whose design weight exceeds the handling limit of personnel, the volume weight of a single piece is reduced by disassembling and installation, and the difficulty of disassembly and assembly is reduced. Although the disassembly and installation method of equipment can solve the disassembly and assembly problem of "heavy equipment, large shape and small space", it is often complicated in disassembly and assembly procedures, high operation requirements, and difficult disassembly and assembly, and sometimes even lead to the failure of the established functions.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a three-degree-of-freedom airborne equipment disassembly and assembly platform to solve the above-mentioned problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a three-degree-of-freedom airborne equipment disassembly and assembly platform, including a chassis, an adjustment mechanism and a fixed seat, the chassis is a bearing structure for all parts, and the adjustment mechanism and the fixed seat are installed On the chassis, and the chassis is fixed with the end frame of the aircraft; the adjustment mechanism realizes adjustment in three degrees of freedom of movement, lift and rotation, the fixed seat is installed on the adjustment mechanism, and the fixed seat is connected to the equipment to be disassembled. The end frame is the main bearing structure of the aircraft, the end frames are arranged along the course direction, and the arranged end frames are connected by the long beams to form an integral frame; the end frames are provided with rectangular holes, so The chassis spans on the T-shaped beams on the lower edge of the rectangular holes of the two groups of end frames, and the two sets of T-shaped beams are respectively the first T-shaped beam and the second T-shaped beam; the chassis includes a hook head, a support plate and a clamping piece.

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

Preferably, the support plate is arranged horizontally as a whole, one end is vertically lifted up to form an L-shaped structure, and the hook head is arranged at the lifted end of the support plate.

Preferably, the hook head has an L-shaped structure as a whole, and its end is provided with a "mountain-shaped" buckle structure, and the buckle structure is directly clamped on the first T-shaped beam; the hook heads are symmetrically arranged in two groups, A waist-shaped fixing hole and the hook head are arranged at the upturned part of the support plate to fix each other; the hook head adopts a positive and negative installation method, wherein the L-shaped structure of the hook head is set up to be a positive installation method, and the L-shaped installation method is used. The structure is set down for the reverse installation.

Preferably, the clamping blocks are provided with four groups, one end of the support plate connected to the clamping blocks is set in a "cross-shaped" structure, the clamping blocks are clamped on the "cross-shaped" structure, and are connected to the second The T-beam is fixed and locked.

Preferably, the adjustment mechanism includes a sliding table, a flat plate, a first jack, a second jack and an adjustment plate, the lower side of the flat plate is mounted on the support plate through the sliding table, the first jack, the second jack The jacks are installed side by side on the upper side of the flat plate, and the output ends of the first jack and the second jack are connected to an adjusting plate, and the adjusting plate is fixedly connected to the fixing base.

Preferably, the sliding table is composed of a guide rail and a slider, the guide rail is mounted and fixed on the support plate, the upper part of the slider is fixedly connected with the flat plate, and the slider 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 to the adjustment plate through a pin shaft, and the adjustment plate is provided with a circular first pin hole and a waist-shaped second pin hole; The first pin hole is connected with the pin shaft corresponding to the first jack, and the second pin hole is connected with the pin shaft corresponding to the second jack.

Preferably, an equipment installation interface is provided on the fixing base, and the equipment installation interface and the equipment to be disassembled are arranged corresponding to each other.

Compared with the prior art, the beneficial effects of the present invention are:

1. It is suitable for most on-board installation scenarios, especially in narrow cabins; it is fixed with the most common end frame T-beams on the aircraft through hooks and clamping blocks, and the installation is convenient, especially in narrow cabins. . Through the height adjustable design of the hook head and the front and back installation design, it can adapt to T-beams with different height differences, and can be applied to most on-board installation scenarios;

2. It can adapt to different airborne equipment by replacing the fixed seat, which has good adaptability; the fixed seat is designed as a replaceable form, which can be adaptively designed for different airborne equipment; if the equipment has reserved mounting holes, it can be installed on the fixed seat Design mounting holes or threaded holes for fixing; the equipment reserves pin holes, and the fixing seat can be fixed with the equipment through the pin shaft; the equipment does not reserve a fixing structure, and the fixing seat can be designed as a clamping structure, so the adaptability is good;

3. The attitude adjustment of the airborne equipment on the aircraft can be easily realized, reducing the difficulty of disassembly and handling; the adjustment mechanism can easily adjust the attitude of the fixed seat from the three degrees of freedom of translation, lifting and rotation to match the airborne equipment in different installation positions. , to assist in its disassembly. And it can drive the equipment to move in the narrow cabin, and then move the equipment out of the narrow cabin, which is convenient for subsequent handling, and significantly reduces the difficulty of operation for maintenance personnel;

4. The shape and weight restrictions of the airborne equipment in the narrow cabin are relaxed, which helps to improve the performance of the airborne equipment; it can significantly reduce the difficulty of disassembly and assembly of the airborne equipment in the narrow cabin, and then the appearance of the airborne equipment in the narrow space can be relaxed. and weight restrictions, creating more possibilities for improving equipment performance.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structure exploded diagram of the present invention;

3 is a schematic diagram of the installation of the clamping block of the present invention;

4 is a schematic diagram of the reverse installation of the hook head of the present invention;

5 is a schematic diagram of the formal installation of the hook head of the present invention;

Fig. 6 is the top overturning schematic diagram of the first jack of the adjusting plate of the present invention;

7 is a schematic view of the top flip of the second jack of the adjusting plate of the present invention;

8 is a schematic diagram of an embodiment of the present invention;

Labels in the figure: 1, chassis; 11, hook head; 12, support plate; 13, clamping block; 2, adjustment mechanism; 21, sliding table; 22, flat plate; 23, first jack; 24, second Jack; 25, Adjustment plate; 26, Pin shaft; 27, First pin hole; 28, Second pin hole; 3, Fixed seat; 31, Equipment installation interface; 4, First T-beam; 5, No. Two T-beams; 6. End frame; 7. Equipment to be disassembled.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the orientations or positional relationships shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

1-8, the present invention provides a technical solution: a three-degree-of-freedom airborne equipment disassembly and assembly platform, including a chassis 1, an adjustment mechanism 2 and a fixed seat 3, and the chassis 1 is a bearing structure for all components , the adjustment mechanism 2 and the fixed seat 3 are installed on the chassis 1, and the chassis 1 is fixed with the end frame 6 of the aircraft; the adjustment mechanism 2 realizes adjustment on three degrees of freedom of movement, lift and rotation, and the fixed seat 3 It is installed on the adjustment mechanism 2, and the fixed seat 3 is fixed with the equipment to be disassembled and assembled; Under the connection, an integral frame is formed; the end frame 6 is provided with a rectangular hole, and the chassis 1 spans on the T-shaped beams on the lower edge of the rectangular holes of the two groups of end frames 6, and the two groups of T-shaped beams are the first The T-shaped beam 4 and the second T-shaped beam 5 ; the chassis 1 includes a hook head 11 , a support plate 12 and a clamping block 13 .

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

Further, the support plate 12 is arranged horizontally as a whole, and one end is vertically lifted up to form an L-shaped structure, and the hook head 11 is arranged at the lifted end of the support plate 12 .

Further, the hook head 11 has an L-shaped structure as a whole, and its end is provided with a "mountain-shaped" buckle structure, and the buckle structure is directly clamped on the first T-shaped beam 4; the hook head 11 is symmetrically provided with There are two sets of two groups. Waist-shaped fixing holes are provided at the upturned part of the support plate 12 and the hook head 11 is fixed to each other; The positive installation method, the L-shaped structure is set down for the reverse installation method.

Further, the clamping blocks 13 are provided with four groups, one end of the support plate 12 connected with the clamping blocks 13 is set to a "cross-shaped" structure, and the clamping blocks 13 are clamped on the "cross-shaped" structure, and pass through the "cross-shaped" structure. The screws are fixed and locked with the second T-beam 5 .

Further, the adjustment mechanism 2 includes a sliding table 21 , a flat plate 22 , a first jack 23 , a second jack 24 and an adjustment plate 25 , and the lower side of the flat plate 22 is installed on the support plate 12 through the sliding table 21 . , the first jack 23 and the second jack 24 are installed side by side on the upper side of the flat plate 22, and the output ends of the first jack 23 and the second jack 24 are connected to the adjustment plate 25, which is connected to the adjustment plate 25. The fixed seat 3 is fixedly connected.

Further, the sliding table 21 is composed of a guide rail and a slider, the guide rail is mounted and fixed on the support plate 12, the upper part of the slider is fixedly connected with the flat plate 22, and the slider 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 the adjustment plate 25 through the pin shaft 26, and the adjustment plate 25 is provided with a circular first pin hole 27 and a waist-shaped The first pin hole 27 is connected with the pin shaft 26 corresponding to the first jack 23 , and the second pin hole 28 is connected with the pin shaft 26 corresponding to the second jack 24 .

Further, an equipment installation interface 31 is provided on the fixing base 3 , and the equipment installation interface 31 and the equipment to be disassembled 7 are arranged corresponding to each other.

Please refer to FIGS. 1-8, the following describes embodiments of the present invention for further illustration:

Embodiment 1: The disassembly and assembly platform is completed by the chassis 1 , the adjustment mechanism 2 and the fixed seat 3 .

The two ends of the chassis 1 can be installed and fixed with the T-beam of the aircraft, and play a bearing role; the chassis 1 is composed of a pair of hook heads 11, a support plate 12 and four clamping blocks 13; this tool is only used in the tail compartment, T The height difference between the beams is relatively fixed, so the hook head 11 is designed as a single hook structure, and in practical applications, it can be designed as a double hook structure with a "mountain shape" structure; the hook head 11 and the support plate 12 are installed with long waist holes in the height direction to support The plate 12 is fixed to the rear T-beam by means of clamping blocks 13 .

The adjustment mechanism 2 realizes the adjustment of three degrees of freedom of movement, lift and rotation; The sliding table 21 is installed on the support plate 12, and a flat plate 22 is installed on the upper part, which can drive the entire adjustment mechanism 2 to move; The connecting hole between the adjusting plate 25 and the first jack 23 is a circular first pin hole 27, and the connecting hole between the adjusting plate 25 and the second jack 24 is a waist type The second pin hole 28 is formed, so that the pin shaft 26 can move back and forth in the second pin hole 28, which is convenient for the turning of the adjusting plate 25. There is a handle at the rear of the adjusting plate 25, which is convenient for personnel to operate.

The fixing base 3 realizes the installation and fixing function with the equipment to be disassembled. Considering that it is designed as a special tool and the size is compressed, the fixing seat 3 and the adjusting plate 25 in the embodiment 1 are designed to be integrated. Two mounting holes are reserved at the bottom of the device 7 to be disassembled in Embodiment 1. Therefore, in the design of the fixing base 3 , two captive screws are provided on the adjusting plate 25 as the device mounting interface 31 .

When disassembling the equipment, the operation steps of this tool are as follows:

1. Fixing tools:

Place the disassembly tool A on the T-beam near the equipment to be disassembled, and hook the hook head 11 on the first T-beam 4; Matches the height difference between the first T-shaped beam 4 and the second T-shaped beam 5 ; the support plate 12 and the second T-shaped beam 5 are clamped and locked by the clamping block 13 .

2. Adjustment tools:

Through the handle of the adjustment plate 25, the sliding table 21 can be pulled to move forward and backward of the fixed seat 3, and the movement of the sliding table 21 can also be driven by the motor to achieve the purpose of electric control; The top 24 realizes the lifting and lowering of the fixed seat 3, and the asynchronous lifting and lowering of the first jack 23 and the second jack 24 realizes the rotation of the fixed seat 3 around the pin shaft 26; The interface 31 is aligned with the mounting hole reserved for the device 7 to be disassembled.

3. Fixed equipment:

Fix the captive screw 3-1 of the device 7 to be disassembled and the device installation interface 31 by screws; remove the installation screws of the device to be disassembled 7 and the aircraft;

4. Mobile devices:

Adjust the posture of the equipment 7 to be disassembled and assemble through the adjusting mechanism 2, and move the equipment out of the cabin to complete the dismantling.

Installation is the reverse of removal.

Example 2:

In order to expand the usable range of the tool on the aircraft, the hook head 11 in Embodiment 1 is designed as a "mountain-shaped" double hook as shown in FIG. 4 or FIG. 5 .

Example 3:

In order to expand the usable range of the tool to different devices, the fixing base 3 and the adjusting plate 25 in the first embodiment are designed in a split manner. The fixing base 3 can be replaced with various fixing methods such as clamping and pin holes according to the specific conditions of the equipment to be disassembled.

Example 4:

In the case that the weight of the equipment to be disassembled is light, or the movement range does not exceed the distance between two T-beams, the fixing clip 13 in Embodiment 1 can be removed, and the tool can be directly fixed by hooking, which makes the installation easier.

It is worth noting that the whole device is controlled by the main control button. Since the equipment matched with the control button is a common equipment and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be repeated here.

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

Claims (9)

1. A three-degree-of-freedom airborne equipment disassembly and assembly platform, characterized in that it comprises a chassis (1), an adjustment mechanism (2) and a fixing seat (3), and the chassis (1) is a load-bearing structure for all components, The adjustment mechanism (2) and the fixed seat (3) are mounted on the chassis (1), and the chassis (1) is fixed with the end frame (6) of the aircraft; the adjustment mechanism (2) realizes three movements, elevating and rotating. For adjustment on the degree of freedom, the fixing seat (3) is installed on the adjusting mechanism (2), and the fixing seat (3) is fixed with the equipment (7) to be disassembled; the end frame (6) is the main body of the aircraft. In the load-bearing structure, the end frames (6) are arranged along the course direction, and the arranged end frames (6) are connected by the long beams to form an integral frame; the end frames (6) are provided with rectangular holes, and the chassis (1) Across the T-shaped beams on the lower edge of the rectangular holes of the two groups of end frames (6), the two groups of T-shaped beams are the first T-shaped beam (4) and the second T-shaped beam (5); the The chassis (1) includes a hook head (11), a support plate (12) and a clamping block (13). 2. A three-degree-of-freedom airborne equipment disassembly and assembly platform according to claim 1, characterized in that: the support plate (12) has an L-shaped structure as a whole; one end of the support plate (12) passes through a hook ( 11) is connected to the first T-shaped beam (4), and the other end is fixed to each other with the second T-shaped beam (5) through the clamping block (13). 3. A three-degree-of-freedom airborne equipment disassembly and assembly platform according to claim 2, characterized in that: the support plate (12) is arranged horizontally as a whole, and one end is vertically lifted up to form an L-shaped structure, and the hook The head (11) is arranged on the raised end of the support plate (12). 4. A three-degree-of-freedom airborne equipment disassembly and assembly platform according to claim 3, characterized in that: the hook head (11) has an L-shaped structure as a whole, and its end is provided with a "mountain-shaped" buckle structure, the buckle structure is directly clamped on the first T-shaped beam (4); the hook heads (11) are symmetrically arranged in two groups, and waist-shaped fixing holes and hooks are arranged at the upturned part of the support plate (12). The heads (11) are fixed to each other; the hook head (11) adopts a positive and negative installation method, wherein the L-shaped structure of the hook head (11) is set up as a positive installation mode, and the L-shaped structure is set downward as a reverse installation. installation method. 5. A three-degree-of-freedom airborne equipment disassembly platform according to claim 2, characterized in that: the clamping block (13) is provided with four groups, the support plate (12) and the clamping block ( 13) The connected end is set to a "cross-shaped" structure, and the clamping block (13) is clamped on the "cross-shaped" structure, and is fixed and locked with the second T-shaped beam (5) by screws. 6. A three-degree-of-freedom airborne equipment disassembly and assembly platform according to claim 1, characterized in that: the adjustment mechanism (2) comprises a sliding table (21), a flat plate (22), a first jack ( 23), the second jack (24) and the adjusting plate (25), the lower side of the flat plate (22) is mounted on the support plate (12) through the sliding table (21), the first jack (23), The second jacks (24) are installed side by side on the upper side of the flat plate (22), and the output ends of the first jacks (23) and the second jacks (24) are connected to the adjustment plate (25), the adjustment plate (25) is fixedly connected with the fixing seat (3). 7. A three-degree-of-freedom airborne equipment disassembly and assembly platform according to claim 6, characterized in that: the sliding table (21) is composed of a guide rail and a slider, and the guide rail is installed and fixed on the support plate (12), The upper part of the slider is fixedly connected with the flat plate (22), the slider is driven by a motor to move along the guide rail, and the motor is connected with a controller. 8. A three-degree-of-freedom airborne equipment disassembly and assembly platform according to claim 6, characterized in that: the output ends of the first jack (23) and the second jack (24) pass through pin shafts respectively (26) is connected to the adjustment plate (25), and the adjustment plate (25) is provided with a circular first pin hole (27) and a waist-shaped second pin hole (28); the first pin hole ( 27) is connected with the pin shaft (26) corresponding to the first jack (23), and the second pin hole (28) is connected with the pin shaft (26) corresponding to the second jack (24). 9. A three-degree-of-freedom airborne equipment disassembly and assembly platform according to claim 1, characterized in that: an equipment installation interface (31) is provided on the fixed seat (3), and the equipment installation interface (31) It is set corresponding to the equipment to be disassembled (7).

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