Ground rail and equipment mounting and fixing structure and method

Abstract

The invention discloses a ground rail and equipment mounting and fixing structure and method. The ground rail and equipment mounting and fixing structure comprises a sliding block and an equipment mechanical connector. A sliding block body is a rectangular strip, the width of the rectangular strip is equal to the narrowest width of the top of a guide groove in a ground rail, a plurality of arc-shaped blocks are arranged on the two sides of the rectangular strip at intervals, the arc-shaped blocks on the two sides correspond to each other in pairs to form two opposite arc-shaped blocks similar to a circle, and the size of the two opposite arc-shaped blocks is equal to the maximum width of the top of the guide groove. A plurality of vertical bolt holes are formed in the rectangular strip at intervals, and the end of the rectangular strip is connected with a stop block through a bolt; at least one long-strip-shaped hole is formed in the equipment mechanical connector, and the length direction of the long-strip-shaped hole is consistent with the length direction of the ground rail. Error allowance is provided for equipment installation, position adjustment is carried out in the axial direction of the ground rail while the fixed contact face is guaranteed, and reliable connection can be achieved.

Description

Technical Field

[0001] The invention belongs to the field of aircraft cargo transportation and relates to a ground rail and equipment installation and fixing structure and method. Background Art

[0002] Floor rails are usually laid in the cargo hold of an aircraft. Aircraft cargo hold floor rails, also known as T-slot floor rails, floor beams, floor trough irons, etc., are an important facility inside the aircraft cargo hold. It is mainly used for the assembly, testing, transportation and positioning of large cargo to ensure that the cargo is stably and safely stored in the cargo hold. Through the floor rails, the cargo can be easily slid and moved, thereby improving the efficiency of loading and unloading. Aircraft cargo hold floor rails are widely used in the transportation and positioning of various large cargoes, such as military equipment, heavy machinery, large parts, etc. In the field of air transportation, floor rails have become one of the important means to improve loading efficiency and ensure cargo safety.

[0003] Aircraft cargo hold floor rails are mainly used to fix cargo or equipment cabinets and equipment in the hold. However, during the fixing process, the assembly position deviation often occurs due to the limitation of the floor rail holes, causing interference with the assembly of other adjacent components. At the same time, when some floor rails are used to fix equipment, the installation holes are in the blind spot of the field of vision, and the contact area between the assembled components and the floor rails after installation inside the floor rails cannot be accurately judged, so the reliability of the installation cannot be guaranteed. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a floor rail and equipment installation fixing structure and method, which provides an error margin for equipment installation, and while ensuring a fixed contact surface, performs position adjustment along the axial direction of the floor rail, and can achieve reliable connection.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A floor rail and equipment installation and fixing structure, including a slider and an equipment mechanical interface; The slider body is a rectangular bar, the width of which is equal to the narrowest width of the top of the guide groove on the ground rail, and a plurality of arc blocks are arranged at intervals on both sides of the rectangular bar, and the arc blocks on both sides correspond to each other to form a quasi-circular shape, and the size of the two opposite arc blocks is equal to the maximum width of the top of the guide groove; A plurality of vertical bolt holes are arranged on the rectangular bar, and the plurality of bolt holes are arranged at intervals, and a stop block is connected to the end of the rectangular bar by bolts; At least one long strip hole is arranged on the mechanical interface of the equipment, and the length direction of the long strip hole is consistent with the length direction of the ground rail.

[0006] Preferably, the top of the guide groove is a double-wave-shaped opening, and the two sides of the opening are crest to crest and trough to trough, and a quasi-circular opening is formed between two opposite troughs.

[0007] Furthermore, the distance between the troughs is the inner width of the guide groove.

[0008] Preferably, the height of the rectangular strip is the same as the depth of the guide groove.

[0009] Furthermore, each bolt hole on the sliding block is located between the front and rear arc blocks.

[0010] Preferably, the height of the end of the rectangular strip is equal to the inner height of the guide groove, and the thickness of the stop block is equal to the thickness of the top opening of the guide groove.

[0011] Preferably, the stop block is semicircular or circular in shape.

[0012] Preferably, the length of the circular hole is the bolt diameter plus half the length of the distance between adjacent bolt holes on the slider.

[0013] A method for installing and fixing a floor rail and equipment of the structure comprises the following steps: firstly determining the installation position of the equipment, and after positioning, inserting a slider into a guide groove inside the floor rail, sliding the slider to the vicinity of an oblong hole of a mechanical interface of the equipment, adjusting the mounting bolt hole of the slider within the range of the oblong hole, and fixing a stop block on the top of the corresponding floor rail guide groove; and fastening the oblong hole of the mechanical interface of the equipment to the slider by bolts to complete the installation and fixing of the floor rail and the equipment.

[0014] Preferably, after the slider is inserted into the guide groove, the slider is moved axially along the ground rail by half the wave pitch of the double-wave-shaped opening, the bolt hole is located between two relative wave valleys of the double-wave-shaped opening, a circular stop block is placed between the two relative wave valleys, the arc block on the slider is located directly below the wave crest of the double-wave-shaped opening, and the stop block and the slider are connected by bolts.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention is designed to have a slider that can be placed inside a ground rail. A separate stopper is used to fix the slider to the ground rail to limit the sliding of the slider, so as to ensure that when the slider is fixing the equipment component, the connection will not loosen and cause an unsafe accident. An oblong hole should be designed at the mechanical interface of the equipment fixed by the slider. The length and width of the oblong hole are determined according to the bolt diameter and the size of the mounting hole on the ground rail. In this way, the slider and the equipment can be positioned separately. After positioning, a stopper is used to limit the slider, while ensuring the three functional units of the fixed contact area. It has the design advantages of modular components, free assembly, and accurate positioning, which greatly improves the assembly operability, maintainability, economy, and assembly reliability of the product.

[0016] Furthermore, the size of the two relative arc blocks is equal to the maximum width of the top of the guide groove. The two relative arc blocks can pass through the quasi-circular opening in the double wave-shaped opening, and the distance between the troughs is the internal width of the guide groove. Therefore, the two arc blocks are the same as the internal width of the guide groove. Therefore, inside the guide groove, the two relative arc blocks can abut against the two side edges inside the guide groove, which will prevent the slider from moving toward the two sides of the ground rail and realize lateral limitation of the slider.

[0017] Furthermore, the height of the rectangular strip is the same as the depth of the guide groove, which enables the bottom surface of the equipment mechanical interface to contact the top surface of the slider and the top surface of the ground rail at the same time, thereby increasing the contact area.

[0018] Furthermore, the bolt holes and the arc blocks are staggered so that the bolt holes are located between the two relative troughs of the double wavy opening, while the arc blocks on the slider are located just below the crest of the double wavy opening. At this time, the stop block is just placed between the two relative troughs, thereby achieving the limitation of the slider in both the axial and vertical directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the slider in the floor rail and equipment installation and fixing structure of the present invention; Figure 2 It is a schematic diagram of the fixed connection between the ground rail and the equipment of the present invention.

[0020] Among them: 1-ground rail; 2-slider; 3-stop block; 4-arc block; 5-bolt hole; 6-equipment mechanical interface; 7-bolt. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. The term "and / or" used in this article includes any and all combinations of one or more related listed items. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0024] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] The disclosure below provides many different embodiments or examples to realize different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplicity and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0026] In the present invention, the ground rail 1 is generally used to support and guide the movement of goods in the cargo hold to ensure that the goods can be placed and fixed safely and stably. Its structure generally includes the following key parts: Track foundation: The foundation part of the ground track 1, made of high-strength, corrosion-resistant materials such as steel or alloy materials. This part is responsible for bearing the weight of the goods and ensuring the stability and durability of the ground track 1.

[0027] Guide structure: In order to ensure that the goods can move along the correct path, a guide structure, such as a guide groove or a guide block, is provided on the ground rail 1. The guide groove can limit the moving direction of the goods and prevent them from deviating from the track.

[0028] Fixing device: In order to firmly install the ground rail 1 in the cargo hold, a fixing device such as a bolt 7, a nut or a welding structure is required. These fixing devices can ensure that the ground rail 1 will not loosen or fall off during the flight of the aircraft.

[0029] Safety devices: In order to improve the safety and stability of the goods, some safety devices such as locking mechanisms, limit switches, etc. are installed on the ground rail 1. These safety devices can provide additional protection during the movement of the goods to prevent them from accidentally moving or falling off.

[0030] In this embodiment, a guide groove is provided on the ground rail 1, and the cross section of the guide groove is convex, which can provide axial guidance while also limiting the lateral and vertical directions.

[0031] The top of the guide groove is a double wave-shaped opening, and the two sides of the opening are crest to crest and trough to trough, a quasi-circular opening is formed between the two opposite troughs, and the distance between the troughs is the internal width of the guide groove.

[0032] The following is combined with Figure 1-2 A floor rail and equipment installation and fixing structure which is not restricted by the hole position of the floor rail 1 in the floor rail 1 fixing form of the present invention is further described in detail.

[0033] A floor rail and equipment installation fixing structure which is not restricted by the positioning of the hole position of the floor rail 1. Compared with the general floor rail 1 fixing method, it can mainly realize the separate positioning of the fixing component and the equipment. After positioning, the limiting component is used to limit the fixing component, while ensuring the three functional units of the fixed contact area.

[0034] In this embodiment, the fixing component adopts a slider 2, and the design of the slider 2 is as shown in FIG. Figure 1 The shape shown, its shape characteristics mainly depend on the structural form of the ground rail 1 assembled with it. In this embodiment, the slider 2 is a long strip structure as a whole, and the bottom is a rectangular strip. The width of the rectangular strip is equal to the width between the peaks and the peaks relative to the double wavy opening, ensuring that it can pass through the double wavy opening at the top of the guide groove on the ground rail 1 and be inserted into the guide groove of the ground rail 1. At the same time, a plurality of arc blocks 4 are arranged at intervals on both sides of the rectangular strip. The arc blocks 4 on both sides correspond to each other in pairs to form a quasi-circular shape. The size of the two opposite arc blocks 4 is the same as the size of the quasi-circular opening in the double wavy opening, that is, the distance between the farthest ends of the two opposite arc blocks 4 is equal to the distance between the troughs. When the two opposite arc blocks 4 can pass through the quasi-circular opening in the double wavy opening, inside the guide groove, since the distance between the troughs is the internal width of the guide groove, the two opposite arc blocks 4 can be against the two side edges inside the guide groove, which will prevent the slider 2 from moving in the direction perpendicular to the laying direction of the ground rail 1.

[0035] Except for one end portion, the height of the rectangular bar is the same as the depth of the guide groove. After the slider 2 is inserted into the guide groove of the ground rail 1, the top of the rectangular bar is flush with the double wavy opening of the top of the guide groove, which can further limit the movement of the slider 2 in the direction perpendicular to the laying direction of the ground rail 1.

[0036] The slider 2 is provided with a plurality of bolt holes 5 , which are spaced apart from each other and are equally spaced apart from each other. The bolt holes 5 extend from the top of the slider 2 to the bottom.

[0037] The height of the end of the rectangular bar is lower than the height of the remaining positions, and the height of the end of the rectangular bar is equal to the internal height of the guide groove, that is, the height from the double wavy opening bottom surface of the guide groove to the bottom of the guide groove. The end of the rectangular bar is also provided with a bolt hole 5, and the end of the rectangular bar is used to install the stop block 3 through the bolt hole 5.

[0038] In this embodiment, the limit assembly adopts a stop block 3, and the design of the stop block 3 is as follows: Figure 2As shown, its shape characteristics mainly depend on the structural form of the ground rail 1 assembled with it. The stop block 3 is semicircular or circular in shape and can be stuck between two relative troughs to ensure that it can be placed in the double-wave-shaped opening on the ground rail 1. The thickness of the stop block 3 is equal to the thickness of the double-wave-shaped opening. When the stop block 3 is connected to the slider 2 through the bolt 7, the top of the stop block 3 is flush with the top of the double-wave-shaped opening, which can ensure the relative position between the slider 2 and the ground rail 1, ensure that the limiting area between the slider 2 and the ground rail 1 is sufficient, and avoid the loosening of the fixing bolts 7 to cause the slider 2 and the fixed equipment to slide longitudinally.

[0039] Each bolt hole 5 on the slider 2 is located between the front and rear arc blocks 4. In this way, after the slider 2 is inserted into the guide groove, the slider 2 is moved axially along the ground rail 1 by half the wave distance of the double wave-shaped opening, so that the bolt hole 5 is just located between the two relative troughs of the double wave-shaped opening. At this time, a circular stop block 3 is used, and the circular stop block 3 is just placed between the two relative troughs. The stop block 3 and the slider 2 are connected by bolts 7. The arc block 4 on the slider 2 is just located directly below the crest of the double wave-shaped opening, thereby realizing the limitation of the slider 2 in both axial and vertical directions.

[0040] When designing the mechanical interface 6 of the equipment, in order to ensure the positioning of the equipment and to effectively and reliably fix it on the slider 2, an oblong hole is designed at the connection position between the equipment and the bolt hole 5 of the slider 2. The length of the oblong hole is "the diameter of the bolt 7 + half the length of the distance between two adjacent bolt holes 5 on the slider 2". The width of the oblong hole should meet the installation requirements of the selected fixing bolts 7. This can provide an error margin for the installation of the equipment, and there is no need for point-to-point positioning. After the equipment is positioned, while ensuring the fixed contact surface with the slider 2, the position is adjusted along the axial direction of the ground rail 1, so that it can be reliably connected.

[0041] like Figure 2 As shown, the assembly implementation method of the slider 2, the stopper 3 and the device, according to the installation positioning of the device, first determine the installation position of the device, after positioning, insert the slider 2 into the internal guide groove of the ground rail 1, slide to the vicinity of the oblong hole of the mechanical interface 6 of the device, because the design size of the oblong hole meets the requirements of the moving space of the slider 2, only need to adjust the mounting bolt hole 5 of the slider 2 within the range of the oblong hole, the stopper 3 can be fixedly installed between the two troughs of the double wave-shaped opening at the top of the corresponding ground rail 1 guide groove, fix the stopper 3, fix the oblong hole of the mechanical interface 6 of the device and the slider 2 by bolt 7, and the positioning, limiting and assembly requirements of the contact area between the slider 2 and the ground rail 1 of the device can be realized. The length of the slider 2 is determined according to the installation requirements of the fixed device, and the figure is for reference only, including a variety of design forms with different shapes and lengths.

[0042] After placing the slider 2 in the guide groove, move the slider 2 along the length direction of the ground rail 1 by half the wave pitch, with the bolt hole 5 below two relative wave valleys, and use the stop block 3 to install it between the two relative wave valleys. The arc blocks 4 on both sides of the slider 2 are below the wave crests, and the slider 2 and the stop block 3 are connected by bolts 7 to achieve the cooperation between the ground rail 1 and the stop block 3, and limit the slider 2 in both axial and vertical directions.

[0043] The present invention provides an installation and fixing method for fixing the floor rail 1 which is not restricted by the positioning of the hole of the floor rail 1. The functional design of the device being connected and fixed via the slider 2, the stop block 3 and the bolt 7 is improved, thereby realizing the separate positioning of the fixing component and the device. After positioning, the limiting component is used to limit the fixing component, while ensuring the reliable connection of the fixed contact area, thereby improving the assembly, maintainability and reliability of the device, and improving the work efficiency of the device assembly by using the characteristics of the floor rail 1.

[0044] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0045] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0046] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of the units can be a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0047] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0048] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

[0049] It should be understood that the above description is for illustration and not for limitation. Many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of this patent should not be determined with reference to the above description, but rather with reference to the preceding claims and the full scope of equivalents to which such claims are entitled. For the purpose of comprehensiveness, all articles and references, including disclosures of patent applications and publications, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to be a waiver of such subject matter, nor should it be considered that the applicant has not considered such subject matter to be part of the disclosed inventive subject matter.

Claims

1. A floor rail and equipment installation and fixing structure, characterized in that: It includes a slider (2) and a device mechanical interface (6); The main body of the slider (2) is a rectangular bar, the width of which is equal to the narrowest width of the top of the guide groove on the ground rail (1), and a plurality of arc blocks (4) are arranged at intervals on both sides of the rectangular bar, and the arc blocks (4) on both sides correspond to each other to form a quasi-circular shape, and the size of the two opposite arc blocks (4) is equal to the maximum width of the top of the guide groove; A plurality of vertical bolt holes (5) are provided on the rectangular bar, the plurality of bolt holes (5) are arranged at intervals, and a stop block (3) is connected to the end of the rectangular bar via a bolt (7); At least one elongated hole is provided on the equipment mechanical interface (6), and the length direction of the elongated hole is consistent with the length direction of the ground rail (1).

2. The ground rail and equipment installation and fixing structure according to claim 1, characterized in that: The top of the guide groove is a double-wave-shaped opening, and the wave crests on both sides of the opening face the wave crests, and the wave troughs face the wave troughs, and a quasi-circular opening is formed between the two opposite wave troughs.

3. The floor rail and equipment installation and fixing structure according to claim 2, characterized in that: The distance between the troughs is the inner width of the guide groove.

4. The ground rail and equipment installation and fixing structure according to claim 1, characterized in that: The height of the rectangular bar is the same as the depth of the guide groove.

5. The ground rail and equipment installation and fixing structure according to claim 4, characterized in that: Each bolt hole (5) on the slide block (2) is located between the front and rear arc blocks (4).

6. The ground rail and equipment installation and fixing structure according to claim 1, characterized in that: The height of the end of the rectangular strip is equal to the inner height of the guide groove, and the thickness of the stop block (3) is equal to the thickness of the top opening of the guide groove.

7. The ground rail and equipment installation and fixing structure according to claim 1, characterized in that: The stop block (3) is semicircular or circular in shape.

8. The ground rail and equipment installation and fixing structure according to claim 1, characterized in that: The length of the circular hole is the diameter of the bolt (7) plus half the distance between adjacent bolt holes (5) on the slider (2).

9. A method for installing and fixing a ground rail and equipment based on the structure described in any one of claims 1 to 8, characterized in that: First, determine the installation position of the equipment. After positioning, insert the slider (2) into the internal guide groove of the ground rail (1) and slide it to the vicinity of the oblong hole of the equipment mechanical interface (6). Adjust the mounting bolt hole (5) of the slider (2) within the range of the oblong hole, and fix the stopper (3) on the top of the corresponding guide groove of the ground rail (1). Fix the oblong hole of the equipment mechanical interface (6) and the slider (2) with bolts (7), and complete the installation and fixation of the ground rail (1) and the equipment.

10. The method for installing and fixing the ground rail and equipment according to claim 9, characterized in that: After the slider (2) is inserted into the guide groove, the slider (2) is moved axially along the ground rail (1) by half the wave pitch of the double-wave-shaped opening, the bolt hole (5) is located between two opposite wave valleys of the double-wave-shaped opening, a circular stopper (3) is inserted between the two opposite wave valleys, the arc block (4) on the slider (2) is located directly below the wave crest of the double-wave-shaped opening, and the stopper (3) and the slider (2) are connected by bolts (7).

Images