阅读说明：本技术 一种便于维修的限位设备箱 (Spacing equipment box convenient to maintenance ) 是由 张佩 李坤 吴保胜 傅莉莉 于 2020-12-29 设计创作，主要内容包括：本发明公开一种便于维修的限位设备箱,横向筋条与纵向筋条交错排布,形成箱体结构,走丝轨固定安装于箱体结构的底部；纵向连接支架的一端纵向筋条连接,另一端与飞机结构纵向构件相连；连杆结构组件的一端连接于纵向连接支架上,另一端连接于纵向筋条上；横向连接支架的一端与箱体结构外侧的横向筋条相连接,另一端通过合页组件连接到飞机结构横向构件上；限位设备箱通过设备箱组件提供安装设备的支撑结构,通过横向连接支架传递横向和垂向载荷,通过纵向连接支架传递纵向和垂向载荷,通过连杆结构组件中两个连杆的弯折伸缩提供预设开合角度。本发明实施例解决了现有驾驶舱安装设备后,由于驾驶舱内操作空间狭窄,使得设备的维修性较差的问题。(The invention discloses a limiting equipment box convenient to maintain.A transverse rib and a longitudinal rib are arranged in a staggered manner to form a box body structure, and a wire travelling rail is fixedly arranged at the bottom of the box body structure; one end of the longitudinal connecting support is connected with the longitudinal rib, and the other end of the longitudinal connecting support is connected with the longitudinal member of the airplane structure; one end of the connecting rod structure component is connected to the longitudinal connecting bracket, and the other end of the connecting rod structure component is connected to the longitudinal rib; one end of the transverse connecting bracket is connected with a transverse rib on the outer side of the box body structure, and the other end of the transverse connecting bracket is connected to a transverse component of the airplane structure through a hinge assembly; spacing equipment box provides the bearing structure of erection equipment through equipment box subassembly, through horizontal and vertical load of transverse connection support transmission, through vertical and vertical load of longitudinal tie support transmission, through the flexible angle that opens and shuts of predetermineeing that provides of buckling of two connecting rods among the connecting rod structure subassembly. The embodiment of the invention solves the problem that the equipment has poor maintainability due to the narrow operation space in the cockpit after the existing cockpit is provided with the equipment.)

1. The utility model provides a spacing equipment box convenient to maintenance which characterized in that includes: the device comprises an equipment box assembly (1), at least two transverse connecting supports (2), at least two longitudinal connecting supports (3), at least two connecting rod structure assemblies (4), a hinge assembly (5), a stainless steel guide plate assembly (6) and a limiting angle piece (7) which are matched for use;

wherein the equipment box assembly (1) comprises: transverse ribs (8), longitudinal ribs (9) and wire moving rails (10); the transverse ribs (8) and the longitudinal ribs (9) are vertically arranged in a staggered manner to form a box body structure for mounting equipment, the wire feeding rails (10) are fixedly mounted at the bottom of the box body structure, the arrangement directions of the wire feeding rails (10) and the longitudinal ribs (9) are the same, and the equipment is mounted in the equipment box assembly (1) through the wire feeding rails (10);

the two longitudinal connecting supports (3) are symmetrically arranged at two longitudinal sides of the box body structure, one end of each longitudinal connecting support is connected with a longitudinal rib (9) at the outer side of the box body structure, and the other end of each longitudinal connecting support is connected with a longitudinal member of the airplane structure; the connecting rod structure components (4) are connected with the longitudinal connecting support (3) in a one-to-one correspondence mode, one end of each connecting rod structure component is connected to the longitudinal connecting support (3), and the other end of each connecting rod structure component is connected to a longitudinal rib (9) on the outer side of the box body structure; the connecting rod structure component (4) comprises at least two connecting rods which can be bent and stretched;

the two transverse connecting supports (2) are symmetrically arranged on two transverse sides of the box body structure, one end of each transverse connecting support (2) is connected with a transverse rib (8) on the outer side of the box body structure, and the other end of each transverse connecting support is connected to a transverse component of the airplane structure through a hinge assembly (5);

the stainless steel guide plate assembly (6) is fixedly arranged between the longitudinal connecting support (3) and the box body structure and between the transverse connecting support (2) and the box body structure; the limiting angle sheet (7) is fixedly arranged on the longitudinal connecting support (3), is positioned at the upper part of the box body structure and is attached to a longitudinal rib (9) at the outer side of the box body structure, and is used for limiting the position of the box body structure;

spacing equipment box convenient to maintenance for through equipment box subassembly (1) provides the bearing structure of erection equipment, through horizontal and vertical load of transverse connection support (2) transmission, through vertical and vertical load of longitudinal tie support (3) transmission, through the extension of buckling of two connecting rods (13) in connecting rod structure subassembly (4) for equipment box subassembly (1) provides and predetermines the angle of opening and shutting.

2. A service-friendly curb equipment box as in claim 1,

the transverse ribs (8) are formed by combining J-shaped sections and T-shaped sections, the longitudinal ribs (9) are formed by combining Z-shaped sections and T-shaped sections, and double lug supports (14) used for the connecting rod structure assembly (4) are arranged on the longitudinal ribs (9).

3. The maintenance-friendly curb equipment box of claim 2,

the longitudinal connecting bracket (3) is of an Contraband-shaped section structure and is provided with a double-lug support (14) for the connecting rod structure component (4).

4. A service-friendly spacing equipment box according to claim 3, characterized in that the link structure assembly (4) comprises: the connecting device comprises at least two I-shaped connecting rods (13), connecting rod connecting parts, support connecting parts and equipment box connecting parts, wherein the end parts of the two connecting rods (13) pass through connecting rod connecting part connecting pieces, the other end of one connecting rod (13) and a double-lug support (14) on a corresponding longitudinal connecting support (3) form a support connecting part, and the other end of the other connecting rod (13) and a double-lug support (14) on a longitudinal rib (9) on the outer side of a box body structure form an equipment box connecting part;

wherein, connecting rod connecting portion, support connecting portion and equipment box connecting portion include: a bolt (16) penetrating through the double-lug hole and the single-lug hole of the connecting part, a bushing (15) and a gasket (17) positioned in the double-lug hole and the single-lug hole, and a groove-shaped self-locking nut (18) for fastening.

5. A service-friendly spacing device case according to claim 4, characterized in that the binaural support (14) of the link structure assembly (4) connected to one end of the case structure has two binaural holes, one of which is connected to one of the links (13) and the other of which is embedded with a bolt (16) for limiting the bending direction of the link (13) in the link structure assembly (4) when the link structure assembly (4) is retracted.

6. A service-friendly spacing device box according to any of claims 1 to 5, characterized in that the hinge assembly (5) comprises two hinge leaves (11) and a poker (12) for connecting the two hinge leaves (11), wherein one of the leaves (11) is mounted on one of the transverse connecting brackets (2) and the other hinge leaf (11) is connected to an aircraft structural cross member;

the hinge assembly (5) serves as a movement mechanism and transfers transverse loads.

7. A service-friendly equipment rack according to any one of claims 1 to 5, wherein one of the cross-connecting brackets (2) is provided with an "Contraband" section structure and the other cross-connecting bracket (2) is provided with an "E" section structure.

8. A service-friendly spacing equipment box according to any of claims 1-5,

the stainless steel guide plate assembly (6) comprises two guide plates which are matched with each other, wherein one guide plate is attached to the box body structure, and the other guide plate is attached to the transverse connecting bracket (2) or the longitudinal connecting bracket (3);

wherein, the design of every guide vane one side has 45 degrees oblique turn-ups, is fixed in on linking bridge or equipment case subassembly (1) to be located between corresponding linking bridge and equipment case subassembly (1).

9. A service-friendly spacing equipment box according to any of claims 1-5,

spacing fillet (7) set up to "L" type cross-sectional structure, are fixed in on longitudinal connection support (3) to be located equipment box subassembly (1) upper portion and paste mutually with equipment box subassembly (1), when being used for the box structure upwards withdraws, through the highest position of spacing fillet (7) restriction box structure.

Technical Field

The invention relates to the technical field of installation of airplane equipment, in particular to a limiting equipment box convenient to maintain.

Background

With the development of aviation technology, modern aircrafts can fly in a wide range, the flying height is high, the flying speed is high, and the load condition of aircraft equipment is more and more severe.

The aircraft cockpit is a cockpit for controlling an aircraft by a pilot, a comfortable operation space needs to be provided for the pilot, various flight instruments and flight control systems need to be installed, and how to reasonably utilize the cockpit space is very important. The equipment arranged at the top of the cockpit needs to meet the requirement of falling and colliding load, and the equipment is arranged behind the top of the cockpit, and the maintainability of the equipment is poor due to the narrow operation space.

Disclosure of Invention

The purpose of the invention is as follows: the embodiment of the invention provides a limiting equipment box convenient to maintain, and aims to solve the problem that equipment is poor in maintainability due to the fact that an operation space in a cockpit is narrow after equipment is installed at the top of the existing cockpit.

The technical scheme of the invention is as follows: the embodiment of the invention provides a limiting equipment box convenient to maintain, which comprises: the device comprises an equipment box assembly 1, at least two transverse connecting brackets 2, at least two longitudinal connecting brackets 3, at least two connecting rod structure assemblies 4, a hinge assembly 5, a stainless steel guide plate assembly 6 and a limiting angle piece 7 which are matched with each other;

wherein the equipment box assembly 1 comprises: transverse ribs 8, longitudinal ribs 9 and wire moving rails 10; the transverse ribs 8 and the longitudinal ribs 9 are vertically staggered to form a box body structure for mounting equipment, the wire feeding rails 10 are fixedly mounted at the bottom of the box body structure, the arrangement directions of the wire feeding rails 10 and the longitudinal ribs 9 are the same, and the equipment is mounted in the equipment box assembly 1 through the wire feeding rails 10;

the two longitudinal connecting brackets 3 are symmetrically arranged at the two longitudinal sides of the box body structure, one end of each longitudinal connecting bracket is connected with a longitudinal rib 9 at the outer side of the box body structure, and the other end of each longitudinal connecting bracket is connected with a longitudinal member of the airplane structure; the connecting rod structure components 4 are correspondingly connected with the longitudinal connecting supports 3 one by one, one end of each connecting rod structure component is connected to the longitudinal connecting support 3, and the other end of each connecting rod structure component is connected to the longitudinal ribs 9 on the outer side of the box body structure; the connecting rod structure component 4 comprises at least two connecting rods which can be bent and stretched;

the two transverse connecting brackets 2 are symmetrically arranged at two transverse sides of the box body structure, one end of each transverse connecting bracket 2 is connected with a transverse rib 8 at the outer side of the box body structure, and the other end of each transverse connecting bracket 2 is connected to a transverse component of the airplane structure through a hinge assembly 5;

the stainless steel guide plate assembly 6 is fixedly arranged between the longitudinal connecting bracket 3 and the box body structure and between the transverse connecting bracket 2 and the box body structure; the limiting angle piece 7 is fixedly arranged on the longitudinal connecting support 3, is positioned at the upper part of the box body structure and is attached to a longitudinal rib 9 at the outer side of the box body structure and is used for limiting the position of the box body structure;

spacing equipment box convenient to maintenance for through equipment box subassembly 1 provides the bearing structure of erection equipment, through horizontal and vertical load of 2 transmission of transverse connection support, through vertical and vertical load of 3 transmission of longitudinal connection support, through the bending and stretching of two connecting rods 13 in the connecting rod structure subassembly 4 for equipment box subassembly 1 provides the preset angle that opens and shuts.

Optionally, a curb box to facilitate maintenance as described above,

the transverse ribs 8 are formed by combining J-shaped sections and T-shaped sections, the longitudinal ribs 9 are formed by combining Z-shaped sections and T-shaped sections, and double-lug supports 14 for the connecting rod structure assembly 4 are arranged on the longitudinal ribs 9.

Optionally, a curb box to facilitate maintenance as described above,

the longitudinal connecting bracket 3 is provided with an Contraband-shaped cross-section structure and a double-lug support 14 for the connecting rod structure component 4.

Optionally, in the above-mentioned limit equipment box for easy maintenance, the link structure assembly 4 includes: the connecting device comprises at least two I-shaped connecting rods 13, connecting rod connecting parts, support connecting parts and equipment box connecting parts, wherein the end parts of the two connecting rods 13 pass through connecting rod connecting part connecting pieces, the other end of one connecting rod 13 and a double-lug support 14 on a corresponding longitudinal connecting support 3 form a support connecting part, and the other end of the other connecting rod 13 and the double-lug support 14 on a longitudinal rib 9 on the outer side of a box body structure form an equipment box connecting part;

wherein, connecting rod connecting portion, support connecting portion and equipment box connecting portion include: a bolt 16 penetrating through the double lug hole and the single lug hole of the connecting part, a bushing 15 and a gasket 17 positioned in the double lug hole and the single lug hole, and a groove-shaped self-locking nut 18 for fastening.

Optionally, in the above-mentioned limit equipment box for easy maintenance, the binaural support 14 of the link structure assembly 4 connected to one end of the box structure has two binaural holes, one of which is connected to one of the links 13, and the other one of which is embedded with a bolt 16 for limiting the bending direction of the link 13 in the link structure assembly 4 when the link structure assembly 4 is retracted.

Optionally, the above-mentioned limit equipment box convenient for maintenance is characterized in that the hinge assembly 5 comprises two hinge leaves 11 and a poker 12 for connecting the two hinge leaves 11, wherein one of the hinge leaves 11 is mounted on one of the transverse connecting brackets 2, and the other hinge leaf 11 is connected with the aircraft structure transverse member;

the hinge assembly 5 acts as a kinematic mechanism and transfers transverse loads.

Alternatively, a spacing device box convenient for maintenance as described above, wherein one of the cross-linking brackets 2 is provided with an "Contraband" type cross-sectional structure and the other cross-linking bracket 2 is provided with an "E" type cross-sectional structure.

Optionally, a curb box to facilitate maintenance as described above,

the stainless steel guide plate assembly 6 comprises two guide plates which are matched with each other, wherein one guide plate is attached to the box body structure, and the other guide plate is attached to the transverse connecting bracket 2 or the longitudinal connecting bracket 3;

wherein, the design of every guide vane one side has 45 degrees oblique turn-ups, is fixed in on linking bridge or the equipment box subassembly 1 to be located between corresponding linking bridge and the equipment box subassembly 1.

Optionally, a curb box to facilitate maintenance as described above,

spacing fillet 7 sets up to "L" type cross section structure, is fixed in on the longitudinal joint support 3 to lie in 1 upper portion of equipment box subassembly and paste mutually with equipment box subassembly 1, be used for the box structure when upwards withdrawing, through the highest position of spacing fillet 7 restriction box structure.

The invention has the beneficial effects that: the embodiment of the invention provides a limiting equipment box convenient to maintain.A equipment box component 1 for installing equipment is arranged on an airplane structure through a transverse connecting bracket 2, at least two longitudinal connecting brackets 3, at least two connecting rod structure components 4 and a connecting component used in a matching way; specifically, through horizontal and vertical load of 2 transmission of transverse connection support, through vertical and vertical load of 3 transmission of vertical connection support, through the bending and stretching of two connecting rods 13 in the connecting rod structure subassembly 4 for equipment box subassembly 1 provides the predetermined angle that opens and shuts, can be according to required maintenance space size, the length of two connecting rods in the adjustable connecting rod structure subassembly 4 is in order to reach spacing purpose during the design. The limiting equipment box provided by the embodiment of the invention has the following advantages:

1. the structure strength and rigidity are high. The device can provide reliable support for the work of equipment while meeting the requirement of falling and colliding loads;

2. the maintainability is good. The hinge assembly can enable the equipment box to rotate transversely, the connecting rod structure assembly 4 limits the rotation angle of the equipment box, and when the equipment box is re-installed, the stainless steel guide piece and the limiting angle piece facilitate workers to quickly find a proper installation position of the equipment box;

3. the structure of the limiting equipment box can meet the requirements of falling load and being convenient for maintenance so as to meet the requirements of model development.

Drawings

The accompanying drawings 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 example serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a schematic structural diagram of a limiting equipment box convenient to maintain according to an embodiment of the present invention;

FIG. 2 is a schematic view of an equipment box assembly of a position limiting equipment box for easy maintenance according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a transverse rib of the easily maintained spacing equipment box according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a longitudinal rib of a maintenance-friendly equipment rack according to an embodiment of the present invention;

FIG. 5 is a schematic view of a longitudinal connecting bracket of a check-up device housing for easy maintenance according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a link assembly in a pointing device housing for easy maintenance according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a hinge assembly of a check-out enclosure for easy maintenance according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a set of transverse attachment brackets in a curb equipment box to facilitate maintenance according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a set of stainless steel guide plate assemblies in a spacing equipment box for easy maintenance according to an embodiment of the invention;

FIG. 10 is a schematic structural diagram of a set of stainless steel guide plate assemblies in a check out equipment box for easy maintenance according to an embodiment of the present invention;

fig. 11 is a schematic view of another working state of the spacing equipment box convenient to maintain according to the embodiment of the invention.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The following specific embodiments of the present invention may be combined, and the same or similar concepts or processes may not be described in detail in some embodiments.

Fig. 1 is a schematic structural diagram of a limiting equipment box convenient to maintain according to an embodiment of the present invention. The limiting equipment box convenient to maintain provided by the embodiment of the invention can comprise: the device comprises an equipment box assembly 1, at least two transverse connecting brackets 2, at least two longitudinal connecting brackets 3, at least two connecting rod structure assemblies 4, a hinge assembly 5, a stainless steel guide plate assembly 6 and a limiting angle piece 7 which are matched for use.

Fig. 2 is a schematic structural diagram of an equipment box assembly in a position limiting equipment box convenient to maintain according to an embodiment of the present invention. Referring to fig. 1 and 2, an equipment box assembly 1 in an embodiment of the present invention includes: transverse ribs 8, longitudinal ribs 9 and wire moving rails 10; many horizontal ribs 8 and a plurality of vertical ribs 9 are crisscross arranges perpendicularly, form the box structure that is used for erection equipment, walk silk rail 10 fixed mounting in the bottom of box structure, and walk the silk rail 10 the same with vertical ribs 9's direction of arranging, equipment is installed in equipment box subassembly 1 through walking silk rail 10.

Two longitudinal connecting supports 3 in the embodiment of the invention are symmetrically arranged at two longitudinal sides of a box body structure, one end of each longitudinal connecting support is connected with a longitudinal rib 9 at the outer side of the box body structure, and the other end of each longitudinal connecting support is connected with a longitudinal member (generally a truss) of an airplane structure; the connecting rod structure components 4 are correspondingly connected with the longitudinal connecting supports 3 one by one, one end of each connecting rod structure component is connected to the longitudinal connecting support 3, and the other end of each connecting rod structure component is connected to the longitudinal ribs 9 on the outer side of the box body structure; wherein, the connecting rod structure component 4 comprises at least two connecting rods which can be bent and stretched.

In the embodiment of the invention, two transverse connecting brackets 2 are symmetrically arranged at two transverse sides of the box body structure, one end of one transverse connecting bracket 2 is connected with a transverse rib 8 at the outer side of the box body structure, and the other end is connected to a transverse member (generally a frame structure) of the airplane structure through a hinge assembly 5.

The stainless steel guide plate component 6 in the embodiment of the invention is fixedly arranged between the longitudinal connecting bracket 3 and the box body structure and between the transverse connecting bracket 2 and the box body structure; the limiting angle piece 7 is fixedly arranged on the longitudinal connecting support 3, is positioned at the upper part of the box body structure and is attached to a longitudinal rib 9 at the outer side of the box body structure and is used for limiting the position of the box body structure;

based on the above structural configuration of the maintenance-convenient limiting equipment box provided by the embodiment of the invention, the maintenance-convenient limiting equipment box provides a supporting structure for installing equipment through the equipment box component 1, transmits transverse and vertical loads through the transverse connecting support 2, transmits longitudinal and vertical loads through the longitudinal connecting support 3, provides a preset opening and closing angle for the equipment box component 1 through bending and stretching of the two connecting rods 13 in the connecting rod structure component 4, uses the hinge component 5 as a movement mechanism and transmits the transverse loads, uses the stainless steel guide sheet 6 for guiding and playing an anti-abrasion role when the equipment box is installed, and limits the equipment box to continuously move upwards when the equipment box is installed through the limiting angle sheet 7.

Fig. 3 is a schematic structural view of a transverse rib in the maintenance-convenient spacing equipment box according to the embodiment of the present invention, and fig. 4 is a schematic structural view of a longitudinal rib in the maintenance-convenient spacing equipment box according to the embodiment of the present invention. In the embodiment of the invention, the transverse ribs 8 are formed by combining J-shaped sections and T-shaped sections, the longitudinal ribs 9 are formed by combining Z-shaped sections and T-shaped sections, and the longitudinal ribs 9 are provided with double-lug supports 14 for the connecting rod structure assembly 4.

Fig. 5 is a schematic structural diagram of a longitudinal connecting bracket in a spacing equipment box convenient to maintain according to an embodiment of the invention. The longitudinal connecting bracket 3 in the embodiment of the present invention is provided with an Contraband-shaped cross-sectional structure and a binaural support 14 for the link structure assembly 4.

Fig. 6 is a schematic structural diagram of a link structure assembly in a position limiting equipment box convenient to maintain according to an embodiment of the present invention. The link structure assembly 4 in the embodiment of the present invention includes: the connecting device comprises at least two I-shaped connecting rods 13, connecting rod connecting parts, support connecting parts and equipment box connecting parts, wherein the end parts of the two connecting rods 13 pass through connecting rod connecting part connecting pieces, the other end of one connecting rod 13 and a double-lug support 14 on the corresponding longitudinal connecting support 3 form the support connecting part, and the other end of the other connecting rod 13 and the double-lug support 14 on the longitudinal rib 9 on the outer side of the box body structure form the equipment box connecting part.

The connection parts shown in fig. 6, i.e., the link connection part, the bracket connection part, and the equipment box connection part, include: a bolt 16 penetrating through the double lug hole and the single lug hole of the connecting part, a bushing 15 and a gasket 17 positioned in the double lug hole and the single lug hole, and a groove-shaped self-locking nut 18 for fastening.

In practical applications, the binaural support 14 of the link structure assembly 4 connected to one end of the box structure has two binaural holes, one of which is connected to one of the links 13, and the other of which is embedded with a bolt 16 for limiting the bending direction of the link 13 in the link structure assembly 4 when the link structure assembly 4 is retracted.

Fig. 7 is a schematic structural diagram of a hinge assembly in a maintenance-friendly spacing equipment box according to an embodiment of the invention. The hinge assembly 5 in the embodiment of the invention comprises two hinge leaves 11 and a poker 12 for connecting the two hinge leaves 11, one of the leaves 11 being mounted on one of the cross connecting brackets 2 and the other hinge leaf 11 being connected to a cross member of the aircraft structure. The hinge assembly 5 acts as a kinematic mechanism and transfers lateral loads.

Fig. 8 is a schematic structural diagram of a set of transverse connecting brackets in a spacing equipment box for facilitating maintenance according to an embodiment of the invention. In the embodiment of the invention, one transverse connecting bracket 2 is arranged in an Contraband-shaped cross-sectional structure, and the other transverse connecting bracket 2 is arranged in an E-shaped cross-sectional structure; and the lateral attachment bracket 2 provides a mounting surface for the hinge assembly 5.

Fig. 11 is a schematic view of another working state of the spacing equipment box convenient to maintain according to the embodiment of the invention. Referring to fig. 1, 8 and 11, when the equipment is maintained, the equipment box assembly 1 can be slowly lowered by disassembling one of the transverse connecting brackets 2 and the connecting member between the two longitudinal connecting brackets 3 and the equipment box assembly 1, wherein the disassembled transverse connecting bracket 2 is completely separated from the equipment box assembly 1, the two longitudinal connecting brackets 3 are connected with the equipment box assembly 1 through the link structure assembly 4, and the equipment box assembly 1 is dropped and placed at a position convenient for maintenance through the link structure assembly 4.

In practical application, the lengths of the two connecting rods 13 in the connecting rod structure component 4 can be adjusted to achieve the purpose of limiting according to the size of the required maintenance space.

Fig. 9 is a schematic structural diagram of a group of stainless steel guide plate assemblies in a spacing equipment box convenient to maintain according to an embodiment of the invention. The stainless steel guide plate assembly 6 in the embodiment of the invention comprises two guide plates which are matched for use, wherein one guide plate is attached to a box body structure, and the other guide plate is attached to the transverse connecting bracket 2 or the longitudinal connecting bracket 3; as shown in fig. 9, one side of each guide piece is designed with a 45-degree oblique flange, which is fixed on the connecting bracket or the equipment box assembly 1 and is located between the corresponding connecting bracket and the equipment box assembly 1.

Fig. 10 is a schematic structural diagram of a group of stainless steel guide plate assemblies in a spacing equipment box convenient to maintain according to an embodiment of the invention. The limiting angle sheet 7 is arranged to be of an L-shaped cross section structure, is fixed on the longitudinal connecting support 3, is positioned at the upper part of the equipment box assembly 1 and attached to the equipment box assembly 1, and is used for limiting the highest position of the box structure through the limiting angle sheet 7 when the box structure is retracted upwards.

According to the limiting equipment box convenient to maintain provided by the embodiment of the invention, an equipment box component 1 for installing equipment is arranged on an airplane structure through a transverse connecting bracket 2, at least two longitudinal connecting brackets 3, at least two connecting rod structure components 4 and a connecting component used in a matched mode; specifically, through horizontal and vertical load of 2 transmission of transverse connection support, through vertical and vertical load of 3 transmission of vertical connection support, through the bending and stretching of two connecting rods 13 in the connecting rod structure subassembly 4 for equipment box subassembly 1 provides the predetermined angle that opens and shuts, can be according to required maintenance space size, the length of two connecting rods in the adjustable connecting rod structure subassembly 4 is in order to reach spacing purpose during the design. The limiting equipment box provided by the embodiment of the invention has the following advantages:

1. the structure strength and rigidity are high. The device can provide reliable support for the work of equipment while meeting the requirement of falling and colliding loads;

2. the maintainability is good. The hinge assembly can enable the equipment box to rotate transversely, the connecting rod structure assembly 4 limits the rotation angle of the equipment box, and when the equipment box is re-installed, the stainless steel guide piece and the limiting angle piece facilitate workers to quickly find a proper installation position of the equipment box;

3. the structure of the limiting equipment box can meet the requirements of falling load and being convenient for maintenance so as to meet the requirements of model development.

The following describes in detail a specific implementation of the limit equipment box for easy maintenance according to an embodiment of the present invention with a specific implementation example.

Referring to fig. 1 to 11, as shown in fig. 1, the maintenance-facilitating limit equipment box of the present embodiment includes: equipment box subassembly 1, transverse connection support 2, vertical linking bridge 3, connecting rod structure subassembly 4, hinge subassembly 5, stainless steel guide plate 6 and spacing angle piece 7 constitute. As shown in fig. 2, the equipment box assembly 1 mainly comprises a transverse rib 8, a longitudinal rib 9 and a wire running rail 10, wherein the transverse rib 8 (shown in fig. 3) and the longitudinal rib 9 (shown in fig. 4) are formed by combining a "Z" section and a "T" section; the equipment is mounted in the equipment box through the wire running rails 10.

The longitudinal connecting brackets 3 are of "Contraband" section and provide the link structure assembly 4 with a binaural abutment 14, one end connected to the equipment box longitudinal ribs 9 and the other end connected to the aircraft structural longitudinal members (typically stringers), as shown in figure 5. One of the transverse connecting brackets 2 is similar to the longitudinal connecting bracket 3 in structure, the other transverse connecting bracket 2 is of an E-shaped section structure, one end of the transverse connecting bracket is connected with a transverse rib 8 of the equipment box, and the other end of the transverse connecting bracket is provided with a hinge assembly 5, as shown in fig. 8, the transverse connecting bracket 2 is of two forms. The hinge assembly 5 shown in figure 7 is composed of two hinge leaves 11 and a poker 12, one end of which is mounted on one of the cross-connecting brackets 2 and the other end of which is connected to a cross-member of the aircraft structure (generally in the form of a frame). As shown in fig. 6, the connecting rod structure assembly 4 comprises at least two connecting rods 13 with i-shaped cross sections, a double-lug support 14, a bushing 15, a bolt 16, a gasket 17 and a groove-shaped self-locking nut 18, wherein one end of the connecting rod structure assembly 4 is connected to the longitudinal connecting bracket 3, and the other end of the connecting rod structure assembly is connected to the equipment box; the link assembly 4 is attached to a binaural mount 14 at one end of the equipment cabinet and has two binaural holes, one of which is attached to the rod 13 and the other of which nests a bolt 16 for limiting the direction of bending of the rod 13 in the 4 when the 4 is retracted. The stainless steel guide plate assembly 6 comprises two guide plates (one is attached to the box body, and the other is attached to the transverse connecting bracket 2 or the longitudinal connecting bracket 3) which are used in a matched mode, one side of each guide plate is designed with a 45-degree inclined flanging which is respectively fixed to the longitudinal connecting bracket 3 and the equipment box assembly 1 and located between the two guide plates, and as shown in fig. 9, the two guide plates 6 are in two forms. As shown in fig. 10, the limiting angle piece 7 is of an L-shaped cross section structure, is fixed on the longitudinal connecting support 3, is located at the upper part of the equipment box assembly 1, is attached to the equipment box assembly 1, and is used for limiting the highest position of the box body through the limiting angle piece 7 when the box body is retracted upwards.

When the equipment is maintained, the transverse connecting bracket 2, the longitudinal connecting bracket 3 and the connecting piece between the equipment box assemblies 1 are disassembled (the transverse connecting bracket at the hinge assembly is not disassembled), and the hand-held equipment box is slowly put down, as shown in fig. 11, which is a schematic view of the maintenance state of the equipment box. After the maintenance is finished, the hand-held equipment box is slowly lifted, and the transverse connecting bracket 2, the longitudinal connecting bracket 3 and the connecting piece between the equipment box components 1 are installed.

Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.