CN114501904A - Novel airborne electronic equipment's mounting platform - Google Patents
Novel airborne electronic equipment's mounting platform Download PDFInfo
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- CN114501904A CN114501904A CN202111456975.1A CN202111456975A CN114501904A CN 114501904 A CN114501904 A CN 114501904A CN 202111456975 A CN202111456975 A CN 202111456975A CN 114501904 A CN114501904 A CN 114501904A
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- 238000009434 installation Methods 0.000 claims description 35
- 230000000087 stabilizing effect Effects 0.000 claims description 6
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- 238000013461 design Methods 0.000 abstract description 10
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- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
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- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1411—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting box-type drawers
- H05K7/1412—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting box-type drawers hold down mechanisms, e.g. avionic racks
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Abstract
A novel mounting platform of airborne electronic equipment comprises a casing (29) for mounting a module and a locking device for mounting and fixing the module in the casing; the machine box comprises one, two, three or four of a single-width single-height machine box (35), a single-width double-height machine box (36), a double-width single-height machine box (37) and a double-width double-height machine box (38), so that the space utilization rate of airborne electronic equipment in the airplane is improved; the novel airborne electronic equipment mounting platform is a modular equipment mounting platform and can be combined according to actual needs. Through the design of the novel airborne electronic equipment mounting platform, the space utilization rate of airborne electronic equipment in the flat-framework airplane is improved; the problem of the defect of high focus, unilateral locking in original airborne electronic equipment encapsulation interface is solved, be favorable to promoting airborne electronic equipment mounting platform's universalization, reduced airborne electronic equipment mounting platform's economic cost.
Description
Technical Field
The invention belongs to the technical field of airborne electronic equipment mounting platforms, and particularly relates to a novel airborne electronic equipment mounting platform.
Background
Most of existing airborne electronic equipment installation platforms belong to the combined avionics category, and fixed installation and electrical interconnection of physical centralized layout type airborne electronic equipment are realized by mainly using the standards conforming to ARINC404A and ARINC600 as packaging interfaces.
The ARINC404A specifies the electronics package interface-see fig. 3, and the ARINC404A specifies the dimensions of the electronics package interface-see table 1.
TABLE 1
The ARINC404A employs a connector J16 as shown in FIG. 4, an electronic device package interface as specified in ARINC600 as shown in FIG. 5, and dimensional parameters of the electronic device package interface as specified in ARINC600 as shown in Table 2.
TABLE 2
The ARINC600 employs a connector S6 as shown in FIG. 6. the electronic device mounting platform includes two main parts according to the above packaging standards, as exemplified by a rack of some type of integrated electronic device (see FIG. 7).
The equipment rack listed in fig. 7 is mainly composed of the following two parts:
the equipment frame structure: the butt joint device is used for realizing butt joint with an airplane structure, providing an internal equipment installation interface and meeting the corresponding strength and rigidity requirements. The main component parts comprise: the board, the upright post, the S6 connector mounting base, the guide pin, the A type locker, the B type locker and the like. Fixed installation and rapid plugging of the airborne electronic equipment are realized. The equipment frame is with integrated mounting bracket as main load frame construction, carries out work such as standardization, the modularized design of mounting bracket according to relevant standards such as ARINC404A, 600, realizes the standardization of airborne equipment, modularization, integrated fixed mounting, adopts A class, B class locking device and back plug connected system simultaneously, realizes reliable fixed, quick assembly disassembly of electronic equipment.
A cable assembly: electrical connection with the electronic device is achieved through the S6 rectangular connector; the electrical connection with the aircraft is achieved through cables and circular connectors mounted on the transition surface of the equipment rack structure. And realizing electric transmission. The electrical integrated transmission and standardized design are realized through an EWIS electrical interconnection design technology, and the signal transmission and electrical interconnection between airborne electronic equipment and between equipment and an airplane are realized.
In summary, the electronic equipment mounting platform of combined avionics is mainly of a through-laid structure, mainly utilizes the regular and square height space in the aircraft, lays the onboard electronic equipment on the premise of meeting the space utilization maximization, realizes the independent packaging of the mounting platform through the patch cable assembly, and has the advantages of strong customized color, no universality and long design iteration period.
The new generation of airplanes is developing along the directions of high supersonic speed, multi-field fusion and intellectualization, the appearance of the airplane becomes flat and special-shaped due to the pneumatic layout of the high supersonic speed, the complexity of a processing system architecture is improved due to the multi-field fusion, and the demand of airborne computing resources is increased due to the intellectualization.
At present, an airborne electronic equipment mounting platform taking ARINC404A/600 as a packaging interface cannot meet the requirement of high supersonic speed of a novel airplane, and the following contradictions exist:
1) the avionics cabin of a brand-new model is increasingly developed to be flat, narrow and irregular, and the external dimension of electronic equipment is too heavy when the ARINC404A/600 packaging standard is passed. The traditional through-laid electronic equipment installation platform (integrated equipment rack/cabinet) similar to a central machine room greatly reduces the utilization efficiency of the space of the whole machine, and the space waste is serious, as shown in fig. 8.
2) When the speed of a brand-new airplane is increased to be more than mach 3, the vibration resistance of the airborne electronic equipment is rapidly deteriorated, the ARINC404A/600 packaging standard enables the electronic equipment to be kept in a defect configuration with high gravity center and one-side locking, and the cumulative destructive influence of resonance is huge as the number of layers of integrated equipment racks/cabinets is increased.
3) ARINC404A/600 planned serialization of on-board electronics package interfaces, but up to 12 specifications lost the generalization of on-board electronics mounting platforms, customized electronics racks/cabinets reduced multi-platform applicability, and increased economic costs.
Disclosure of Invention
For solving the problem that electronic equipment installation space utilization is low in the novel flat configuration aircraft, the problem that electronic equipment resonance is large in the hypersonic machine type is solved, the problems that the standard gravity center of an original sealing interface is high and one-side locking is achieved, the problems that the specification standardization is poor, the platform universality is low and the economic cost is high are solved, and a novel airborne electronic equipment installation platform-DIMA distributed module installation system is designed.
The invention provides a novel mounting platform of airborne electronic equipment, which comprises a casing for mounting a module and a locking device for mounting and fixing the module in the casing; the casing comprises one, two, three or four of a single-width single-height casing 35, a single-width double-height casing 36, a double-width single-height casing 37 and a double-width double-height casing 38, so that the space utilization rate of airborne electronic equipment in the airplane is improved.
Preferably, the physical positions of the installation platforms are distributed, the edge calculation is carried out by being close to the sensing end, and the processing time is shortened.
Preferably, a flat structure is adopted, and a floating structure of the connector is combined to provide a vibration reduction environment, so that the vibration resistance of the mounting platform is improved.
Preferably, the casing 29 is provided with a locking hole 2902 which is matched and locked with a locking device, the locking device comprises an installation chassis 11 fixed on the module, a guide sleeve 7 is slidably sleeved on the installation chassis 11, and the sliding direction of the guide sleeve 7 is the same as the plugging and unplugging direction of the module; the outer part of the guide sleeve 7 is sleeved with a bolt 6, an arc-shaped bulge 601 with the bulge direction perpendicular to the module plugging direction is arranged on the bolt 6, the arc-shaped bulge 601 is inserted into the locking hole 2902 after the bolt 6 rotates to a specific position, and meanwhile, the guide sleeve 7 is limited on the bolt 6; the mounting chassis 11 is rotatably provided with a driving shaft 15, the driving shaft 15 is in threaded connection with the guide sleeve 7, and the driving shaft 15 pushes the mounting chassis 11 while screwing into the guide sleeve 7.
Preferably, the mounting base plate 11 is provided with a square protrusion 1101 in the plugging direction, and the guide sleeve 7 is provided with a square hole matched with the square protrusion 1101.
Preferably, an elastic element is arranged between the guide sleeve 7 and the lock tongue 6, one end of the elastic element is abutted against the installation chassis 11, the other end of the elastic element is abutted against a step on the inner wall of the lock tongue 6, and the elastic element provides pre-tightening force for clamping the lock tongue and the guide sleeve 7.
Preferably, a ratchet clamping ring 4 and an anti-rotation clamping ring 14 are arranged between the guide sleeve 7 and the driving shaft 15, the ratchet clamping ring 4 and the anti-rotation clamping ring 14 are sleeved on the driving shaft, and the shockproof effect is achieved in the locking process.
Preferably, the driving shaft 15 is sleeved with a cylindrical ball 10, a buffering plastic sheet 12 and a spring stabilizing sheet 13 at a position close to the mounting base plate 11, so as to reduce the resistance between the driving shaft 15 and the mounting base plate 11 when rotating.
Preferably, an elastic member is arranged between the guide sleeve 7 and the driving shaft 15, and the elastic member is sleeved on the driving shaft 15 and plays a role in damping the locking device.
The invention has the following advantages:
1. the novel airborne electronic equipment mounting platform is a modular equipment mounting platform and can be combined according to actual requirements. Through the design of the novel airborne electronic equipment mounting platform, the space utilization rate of airborne electronic equipment in the flat-framework airplane is improved; the problem of the defect of high focus, unilateral locking in original airborne electronic equipment encapsulation interface is solved, be favorable to promoting airborne electronic equipment mounting platform's universalization, reduced airborne electronic equipment mounting platform's economic cost.
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present invention more clearly understood, the following specific examples are given as follows:
drawings
Fig. 1 is a perspective view of a mounting platform of the novel on-board electronic device of the present embodiment.
Fig. 2 is an exploded view of fig. 1 (without the connector).
Fig. 3 is a schematic diagram of a conventional ARINC404A electronic device packaging interface.
Fig. 4 is a schematic diagram of a J16 connector of the prior art ARINC 404A.
Fig. 5 is a schematic diagram of a conventional ARINC600 electronic device package interface.
Fig. 6 is a schematic diagram of the S6 connector in ARINC 600.
Fig. 7 is a schematic structural diagram of an integrated electronic equipment rack of a type known in the prior art.
Fig. 8 is a comparison graph of space utilization of a conventional avionics pod.
Fig. 9 is a schematic structural diagram of the locking device in this embodiment.
Fig. 10 is a structural schematic diagram of the casing 62121 assembly in this embodiment.
Fig. 11 is a schematic view of a four-chamber EN4165 connector in use.
Fig. 12 is a schematic view of the casing with the locking device installed in the embodiment.
Fig. 13 is a distributed layout diagram of the installation platform of the novel onboard electronic device of the embodiment in an airplane.
FIG. 14 is a schematic view of the flattened frame of this embodiment.
Reference numerals
1-transmission piece, 2-ball catch I, 3-belleville spring, 4-ratchet collar, 5-ripple spring I, 6-lock tongue, 602-spherical bulge, 601-arc bulge, 7-guide sleeve, 8-hexagonal self-locking high nut, 9-ripple spring II, 10-cylindrical ball, 11-installation chassis, 1101-square bulge, 12-buffer plastic piece, 13-spring stabilizing piece, 14-anti-rotation collar, 15-driving shaft, 1501-first-level circular bulge I, 1502-second-level circular bulge I, 1503-first-level circular bulge II, 1504-second-level circular bulge II, 1505-third-level circular bulge, 1506-annular groove, 16-ball catch II, 17-stainless steel bearing steel ball, 18-tail shell, 19-central shell, 20-positioning column, 21-single-height locking device, 22-double-height locking device, 23-large-torque locking device, 2901-locking hole, 2911-single-width bottom plate, 2912-double-width bottom plate, 2921-single-height side plate, 2922-double-height side plate, 2931-single-width single-height mounting plate, 2932-single-width double-height mounting plate, 2933-double-width single-height mounting plate, 2934-double-width double-height mounting plate, 30-connector, 31-SWSH module, 32-SWDH module, 33-DWSH module, 34-DWDH module, 35-single-width single-height casing, 36-single-width double-height casing, 37-double-width single-height casing and 38-double-width double-height casing.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description is given to a novel mounting platform for onboard electronic equipment according to the present invention with reference to the accompanying drawings and preferred embodiments, and the detailed description thereof.
The invention relates to a novel mounting platform of airborne electronic equipment, which comprises a casing for mounting a module, a connector 30 mounted on the casing and a locking device for mounting and fixing the module in the casing. The machine box comprises one, two, three or four of a single-width single-height machine box 35, a single-width double-height machine box 36, a double-width single-height machine box 37 and a double-width double-height machine box 38.
In order to accord with the COTS concept emphasized by a DIMA distributed module installation system, the system has standardized configuration, combinable configuration and installation at any position. In the present invention, the bottom plate, the side plate and the mounting plate are set to two specifications, that is, if the width (width) of the bottom plate is W, the bottom plate is respectively set to two specifications of a single wide bottom plate 2911 (SW) and a double wide bottom plate 2912(double width, hereinafter, middle thick DW), that is, the width of the single wide bottom plate 2911 is W, and the width of the double wide bottom plate 2912 is 2W; assuming that the height (height) of the side panel is H, the side panels are also set to two specifications, namely, a single high side panel 2921(single height sh) and a double high side panel 2922(double height dh), respectively, that is, the height of the single high side panel 2921 is H and the height of the double high side panel 2922 is 2H. The width of the mounting plate is the same as that of the middle bottom plate of the casing, and the height of the mounting plate is the same as that of the middle side plate of the casing, so that the mounting plate also forms four specifications of a single-width single-height mounting plate 2931, a single-width double-height mounting plate 2932, a double-width single-height mounting plate 2933 and a double-width double-height mounting plate 2934. The sizes of the bottom plate, the side plates and the mounting plate can be assembled into four types of casings of a single-width single-height casing 35, a single-width double-height casing 36, a double-width single-height casing 37 and a double-width double-height casing 38, the casings of different specifications can be respectively used for mounting 4 types of specification modules of an SWSH module 31 (a single-width single-height module), an SWDH module 32 (a single-width double-height module), a DWSH module 33 (a double-width single-height module) and a DWDH module 34 (a double-width double-height module), standardization selection is carried out according to functional capacity, the smallest module is the SWSH module, and the largest module is the DWDH module. The SWSH module, the SWDH module, the DWSH module and the DWDH module can be combined randomly according to the required number to realize networking function.
The mounting platform of the novel airborne electronic equipment can be mounted at any position, and only the standard opening size is required to be arranged at any position of an airplane for mounting. The architectural design of the novel airborne electronic equipment mounting platform is based on ARINC836A, only four specifications are configured, the specific specification and size are shown in table 3, the standardization degree is high, the mounting platform is modularized, the system degradation is supported, the networking is independent, the whole scale is telescopic, and please refer to table 4.
| Module specification | Long (mm) | Width (mm) | High (mm) |
| SWSH | 115.5 | 105 | 33 |
| DWSH | 115.5 | 217 | 33 |
| SWDH | 115.5 | 105 | 75 |
| DWDH | 115.5 | 217 | 75 |
TABLE 3
The module size of the SWSH specification is 115.5 × 105 × 33mm, the module size of the DWSH specification is 115.5 × 217 × 33mm, the module size of the SWDH specification is 115.5 × 105 × 75mm, and the module size of the DWDH specification is 115.5 × 217 × 75 mm.
| Name (R) | Material number | Model number | Number of single-width and single-height casings | Number of single-width double-height casings | Number of double-width single-height casings | Number of double-width and double-height casings | Total number of casings |
| Casing 32001 combination | 21E2-505-1237-B1 | AZJ-ZL-QG-001_32001 | 2 | 0 | 0 | 1 | 3 |
| Casing 42020 combination | 21E2-505-1238-B1 | AZJ-ZL-QG-001_42020 | 2 | 0 | 2 | 0 | 4 |
| Casing 41111 combination | 21E2-505-1239-B1 | AZJ-ZL-QG-001_41111 | 1 | 1 | 1 | 1 | 4 |
| Casing 52102 combination | 21E2-505-1240-B1 | AZJ-ZL-QG-001_52102 | 2 | 1 | 0 | 2 | 5 |
| Casing 53011 combination | 21E2-505-1241-B1 | AZJ-ZL-QG-001_53011 | 3 | 0 | 1 | 1 | 5 |
| Casing 62121 combination | 21E2-505-1242-B1 | AZJ-ZL-QG-001_62121 | 2 | 1 | 2 | 1 | 6 |
| Casing 63030 combination | 21E2-505-1243-B1 | AZJ-ZL-QG-001_63030 | 3 | 0 | 3 | 0 | 6 |
| Box 60042 combination | 21E2-505-1244-B1 | AZJ-ZL-QG-001_60042 | 0 | 0 | 4 | 2 | 6 |
| Casing 64020 combination | 21E2-505-1245-B1 | AZJ-ZL-QG-001_64020 | 4 | 0 | 2 | 0 | 6 |
| Case 64002 combination | 21E2-505-1246-B1 | AZJ-ZL-QG-001_64002 | 4 | 0 | 0 | 2 | 6 |
| Casing 74021 combination | 21E2-505-1247-B1 | AZJ-ZL-QG-001_74021 | 4 | 0 | 2 | 1 | 7 |
TABLE 4
Taking the combination of casings 62121 in the table as an example, please refer to table 4 and fig. 10, the total number of casings in the combination of casings 62121 is 6, wherein the number of single-width single-height casings 35 is 2, the number of single-width double-height casings 36 is 1, the number of double-width single-height casings 37 is 2, and the number of double-width double-height casings 38 is 1.
Similarly, taking the combination of the casings 32001 in table 4 as an example, the total number of the casings in the combination of the casings 32001 is 3, which includes 2 single-width single-height casings and 1 double-width double-height casing.
Referring to fig. 11, the connector of the present embodiment employs EN4165 series connectors in a 4-cavity configuration.
Referring to fig. 9 and 12, an installation chassis 11 is disposed at one end of the locking device, a hexagonal self-locking high nut 8 is disposed on the installation chassis 11, one end face of the installation chassis 11 abuts against an outer end face of the module, and then the hexagonal self-locking high nut 8 is screwed in from the other end face of the installation chassis 11, so that the installation chassis 11 is fixed on the module.
The other end face of the mounting chassis 11 is provided with a square bulge 1101, the square bulge 1101 is sleeved with a guide sleeve 7, and the outer part of the guide sleeve 7 is sleeved with a bolt 6. The guide sleeve 7 is provided with a square hole matched with the square protrusion 1101, and after the square hole is matched with the square protrusion 1101, the square hole and the square protrusion 1101 are limited in the circumferential direction to realize rotation prevention. A cavity is reserved on one side close to the installation chassis 11 between the guide sleeve 7 and the bolt 6, a corrugated spring II9 is arranged in the cavity, the guide sleeve 7 is sleeved with the corrugated spring II9, one end of the corrugated spring II abuts against the installation chassis 11, and the other end of the corrugated spring II abuts against a step on the inner wall of the bolt 6. Two arc-shaped protrusions 601 extending towards opposite directions are arranged on the outer circumferential surface of one end of the bolt 6 close to the installation chassis 11, and spherical protrusions 602 are distributed on the outer end surface of the other end. The casing has locking holes 2901 near the upper and lower end faces of the opening, and the locking holes 2901 are long-strip-shaped holes with a width larger than the thickness of the arc-shaped protrusion 601. Under initial condition, the protruding level setting of arc of spring bolt 6 promotes spring bolt 6 and removes to the machine casket, and ripple spring II9 is compressed this moment, waits that arc arch 601 removes to the locking hole and corresponds position department, rotates spring bolt 6, makes arc arch 601 insert the locking hole, and under the effect of ripple spring II9 restoring force, arc arch 601 chucking is in the locking hole. The spherical protrusion 602 facilitates the operation of grasping with hand when pushing and rotating the latch tongue 6. A driving shaft 15 is connected with the inner cavity of one end of the guide sleeve 7 far away from the installation chassis 11 in a threaded manner, the outer circumferential surface of the driving shaft 15 is provided with threads, and the driving shaft 15 can be rotated to move in the guide sleeve 7. The driving shaft 15 is screwed into the guide sleeve 7 in the direction opposite to the direction in which the axial sliding grooves of the sliding groove 701 extend. Two circular bulges are arranged on the end face of one end of the driving shaft 15 and comprise a primary circular bulge I1501 and a secondary circular bulge I1502, the secondary circular bulge I1502 is arranged on the end face of the driving shaft 15, and the diameter of the primary circular bulge I1501 is smaller than that of the secondary circular bulge I1502. The end part of the primary circular bulge I1501 is inserted into and axially limited in a hole at the end part of the directional bulge 1101, and the outer circumferential surface of the primary circular bulge I1501 is sleeved with a spring stabilizing sheet 13, a buffering plastic sheet 12 and a cylindrical ball 10. The cylindrical balls 10, the spring stabilizing pieces 13 and the buffer plastic pieces 12 are arranged between the driving shaft 15 and the square projection 1101, so that the resistance of the driving shaft 16 during rotation can be reduced. The outer circumference of the secondary circular protrusion I1502 is sleeved with a ratchet collar 4, an anti-rotation collar 14 and a corrugated spring I5. The ratchet collar 4 is clamped on the outer circumference of the secondary circular protrusion I1502 and abuts against the end face of the drive shaft 15, rotating with the drive shaft 15. The anti-rotation clamp ring 14 is fixedly connected with the ratchet clamp ring 4, the other side of the anti-rotation clamp ring 14 is provided with a corrugated spring I5, and the other side of the corrugated spring I5 abuts against the spring stabilizing sheet 13. The ratchet collar 14 and the anti-rotation collar 14 are rotated along with the rotation of the driving shaft 15, and are advanced along with the rotation of the driving shaft 15. The ratchet collar 4 and the anti-rotation collar 14 are arranged between the guide sleeve 7 and the secondary circular protrusion I1502, and play a role in shock resistance when the driving shaft 15 rotates, so that the driving shaft 15 is prevented from loosening under the action of impact force. The driving shaft 15 pushes the mounting chassis 11 to move, and at this time, the square protrusion 1101 and the guide sleeve 7 are relatively displaced, so as to push the mounting chassis 11 and the module to move into the casing. The wave spring I5 is in clearance fit with the second-stage circular protrusion I1502, the wave spring I5 does not rotate along with the driving shaft 15, and the wave spring I5 plays a role in buffering components in the locking device and further plays a role in protecting the locking device.
The other end face of drive shaft 15 sets up three circular protrusion, follows the terminal surface of drive shaft 15 and is one-level circular protrusion II1503, second grade circular protrusion II1504, tertiary circular protrusion 1505 in proper order, and the diameter reduces gradually, and one-level circular protrusion II1503 sets up on the terminal surface of drive shaft 15. An annular groove 1506 is formed in the end face of the driving shaft around the first-stage circular protrusion II1503, and a belleville spring 3 is nested in the annular groove 1506. The ball retaining piece I2 is sleeved on the primary circular protrusion II1503 outside the annular groove 1506. The second-stage circular bulge II1504 is sleeved with a transmission piece 1, and a plurality of stainless steel bearing steel balls 17 are arranged between the transmission piece 1 and the ball retaining pieces I2. The three-stage circular bulge 1505 on the other side of the transmission piece 1 is sleeved with a ball baffle II16, the three-stage circular bulge 1505 on the other side of the ball baffle II16 is sleeved with a positioning column 20, the positioning column 20 is fixed on the three-stage circular bulge 1505, and the other side surface of the positioning column 20 abuts against the ball baffle II 16. The end of the driving shaft 15 is sleeved with a central shell 19, the ball baffle I2, the transmission piece 1, the stainless steel bearing steel ball 17, the ball baffle II16 and the positioning column 20 are all sleeved between three circular bulges of the driving shaft 15 and the central shell 19, and the end of the central shell 19 is provided with a tail shell 18 for sealing the central shell 19. The inner wall of the central shell 19 is distributed with longitudinal grooves along the central line, and a part of the stainless steel bearing steel ball 17 is positioned in the grooves. One end of the belleville spring 3 is pre-tightened and abuts against the ball baffle I2, the ball baffle I2 abuts against the stainless steel bearing steel ball 17, and the stainless steel bearing steel ball 17 abuts against the transmission piece 1. The transmission piece 1 is fixedly connected with the second-stage circular protrusion II1504, the central shell 19 is rotated, the stainless steel bearing steel ball 17 is driven to rotate, the stainless steel bearing steel ball 17 abuts against the transmission piece 1, the transmission piece 1 rotates under the driving of friction force between the transmission piece 1 and the stainless steel bearing steel ball 1, and then the second-stage circular protrusion II1504 is driven to rotate, so that the driving shaft is rotated. The stainless steel bearing steel ball 17 has certain pressure on the transmission piece 1 under the action of the belleville spring 3, so that certain friction force can be generated when the stainless steel bearing steel ball 17 rotates around a central line, and when the belleville spring 3 is initially arranged, the pretightening force of the belleville spring 3 can be selected to further determine the friction force between the stainless steel bearing steel ball 17 and the transmission piece 1, so that the driving force applied to the driving shaft 15 is limited, and the locking device and the locking module thereof are protected. When excessive force is applied to the center housing 19, slippage occurs between the stainless steel bearing balls 17 and the drive plate 1, so that the force cannot be transmitted to the drive shaft 15.
The locking device is suitable for electronic equipment with a flat framework, and the specifications of the locking device are divided into SWSH, DWSH, SWDH and DWDH, and the locking device comprises 4 specifications of modules and correspondingly installed casings.
Three locking devices with different specifications are arranged according to the magnitude of the insertion force of each module, and the design principle adopts the principle of an injector, as shown in figure 12. The single high locking device 21 is used for locking and plugging the SWSH and DWSH modules, the double high locking device 22 is used for locking and plugging the SWDH modules, and the large torque locking device 23 is used for locking and plugging the DWDH modules.
Fixing the corresponding locking device on the corresponding module, when the module is inserted into the casing 29 with the corresponding specification, firstly, pushing the module to move inwards along the guide groove 2901 of the casing 29 by means of the handle at the outer circumference of the central shell 19 of the locking device, and when the EN4165 socket at the rear part of the module is contacted with the EN4165 plug of the casing, the module is stopped by the insertion resistance; secondly, the bolt 6 is pushed from the outer side of the locking device, the arc-shaped protrusion 601 moves to the position of the locking hole 2902 which advances to the upper inner wall and the lower inner wall of the casing 29 along the axial direction, then the bolt is rotated 90 degrees anticlockwise, the arc-shaped protrusion 601 is screwed into the locking hole 2902, and finally the bolt 6 is loosened to be abutted to the guide sleeve 7 and the locking hole 2902; thirdly, the central shell 19 is twisted clockwise, the driving shaft 15 moves inwards along the inner threads of the guide sleeve 7, the driving shaft 15 pushes the mounting base plate 11, the mounting base plate 11 drives the module to move inwards by overcoming the EN4165 inserting force, in the inserting process, the corrugated spring II9 is tightly propped against the locking tongue 6, the guide sleeve 7 is kept still due to the limiting function of the locking tongue 6, finally, the plug and the socket of the EN4165 are inserted in place, and the module and the case are kept in a locking state.
When the module is pulled out from the casing with the corresponding specification, in the first step, the driving shaft 15 is twisted anticlockwise to enable the driving shaft 15 to be pulled out outwards along the inner thread of the guide sleeve, the driving shaft 15 drives the installation chassis 11, the installation chassis 11 drives the module to overcome EN4165 insertion force to be pulled out outwards, in the pulling-out process, the corrugated spring II9 is pressed against the bolt 6 constantly, the bolt 6 is kept still due to the limiting effect, finally, the plug and the socket of EN4165 are separated, and the module is stopped on the sliding groove of the casing; secondly, the bolt 6 is rotated clockwise by 90 degrees from the outer side of the locking device, so that the arc-shaped bulge 601 is separated from the locking hole, and the bolt 6 is restored to the initial state under the action of the elastic force of the corrugated spring II 9; and thirdly, pulling the module to be separated outwards along the sliding groove of the casing by virtue of the handle of the central shell 19 of the locking device, so as to separate the module from the casing.
The distributed physical positions of the mounting platform of the novel airborne electronic equipment are distributed, the mounting platform is close to the sensing end to carry out edge calculation, and the processing time is greatly shortened. The redundancy function is uniformly allocated through the fault-tolerant communication line, the resource utilization rate is dynamically improved by sharing the calculation resources, and the system has a hierarchical structure, so that the complexity of the system architecture is greatly reduced, specifically please refer to fig. 13, that is, a plurality of mounting platforms are arranged in the airplane, for example, the mounting platform close to the head of the airplane, and the actuator and the antenna aperture arranged on the head of the airplane perform edge calculation; the installation platform arranged at the wing, the actuator arranged at the wing and the aperture of the antenna are subjected to edge calculation, so that the processing time can be greatly shortened.
The mounting platform of the novel airborne electronic equipment adopts a flat structure, provides a vibration reduction environment by combining with an EN4165 connector floating structure, and increases the vibration resistance of the mounting platform. The arrangement of the carriers is diversified, the arc-shaped spaces at the top and the side parts can be fully utilized for vine climbing, namely, installation platforms with different sizes are selected according to the arc-shaped spaces at the top or the side parts, and a plurality of casings in the installation platforms can be freely combined according to the size of the space, so that the space utilization rate is greatly improved, as shown in fig. 14.
When the functional system selects the equipment installation platform, planning the distributed casing according to the functional capacity, and deploying according to the adaptive aircraft carrying space. The mounting structure design method can be adopted for mounting airborne electronic equipment in narrow space, top part, side part and arc space.
The novel airborne electronic equipment mounting platform is a modular equipment mounting platform and can be combined according to actual needs. Through the design of the novel airborne electronic equipment mounting platform, the space utilization rate of airborne electronic equipment in the flat-framework airplane is improved; the problem of the defect of high center of gravity and unilateral locking of the original airborne electronic equipment packaging interface is solved, the universality of an airborne electronic equipment mounting platform is facilitated, and the economic cost of the airborne electronic equipment mounting platform is reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and any person skilled in the art can easily make modifications, equivalent changes and modifications to the above embodiment without departing from the scope of the present invention.
Claims (9)
1. The utility model provides a novel airborne electronic equipment's mounting platform which characterized in that: comprises a casing (29) for installing the module and a locking device for installing and fixing the module in the casing; the machine box comprises one, two, three or four of a single-width single-height machine box (35), a single-width double-height machine box (36), a double-width single-height machine box (37) and a double-width double-height machine box (38), so that the space utilization rate of airborne electronic equipment in the airplane is improved.
2. The mounting platform of the novel airborne electronic device of claim 1, wherein: the physical position of the installation platform is deployed in a distributed mode, edge calculation is carried out by approaching to the sensing end, and processing time is shortened.
3. The mounting platform of the novel airborne electronic device of claim 1, wherein: and a flat framework is adopted, and a vibration reduction environment is provided by combining a floating structure of the connector, so that the vibration resistance of the mounting platform is improved.
4. The mounting platform of the novel airborne electronic device of claim 1, wherein: a locking hole (2902) matched and locked with the locking device is arranged on the casing (29),
the locking device comprises an installation chassis (11) fixed on the module, a guide sleeve (7) is slidably sleeved on the installation chassis (11), and the sliding direction of the guide sleeve (7) is the same as the plugging direction of the module; a lock tongue (6) is sleeved outside the guide sleeve (7), an arc-shaped protrusion (601) with the protrusion direction perpendicular to the module plugging direction is arranged on the lock tongue (6), the arc-shaped protrusion (601) is inserted into the locking hole (2902) after the lock tongue (6) rotates to a specific position, and meanwhile, the guide sleeve (7) is limited on the lock tongue (6); the mounting base plate (11) is rotatably provided with a driving shaft (15), the driving shaft (15) is in threaded connection with the guide sleeve (7), and the driving shaft (15) is screwed into the guide sleeve (7) and pushes the mounting base plate (11) at the same time.
5. The mounting platform of the novel airborne electronic device of claim 4, wherein: the mounting base plate (11) is provided with a square protrusion (1101) in the plugging direction, and the guide sleeve (7) is provided with a square hole matched with the square protrusion (1101).
6. The mounting platform of the novel airborne electronic device of claim 4, wherein: an elastic piece is arranged between the guide sleeve (7) and the lock tongue (6), one end of the elastic piece is abutted against the installation base plate (11), the other end of the elastic piece is abutted against the step on the inner wall of the lock tongue (6), and the elastic piece provides pre-tightening force for clamping the lock tongue and the guide sleeve (7).
7. The mounting platform of the novel airborne electronic device of claim 4, wherein: the ratchet clamping ring (4) and the anti-rotation clamping ring (14) are arranged between the guide sleeve (7) and the driving shaft (15), the ratchet clamping ring (4) and the anti-rotation clamping ring (14) are sleeved on the driving shaft, and the anti-vibration effect is achieved in the locking process.
8. The mounting platform of the novel airborne electronic device of claim 4, wherein: the position of the driving shaft (15) close to the mounting base plate (11) is sleeved with a cylindrical ball (10), a buffering plastic sheet (12) and a spring stabilizing sheet (13) for reducing resistance between the driving shaft (15) and the mounting base plate (11) during rotation.
9. The mounting platform of the novel airborne electronic device of claim 4, wherein: an elastic piece is arranged between the guide sleeve (7) and the driving shaft (15), and the elastic piece is sleeved on the driving shaft (15) and plays a role in damping the locking device.
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