Test equipment installation platform based on airplane passenger cabin

By designing a test equipment installation platform based on the aircraft cabin, using the combination of platform base plate components, ball screw components and flexible fixtures, the problems of unstable equipment installation and low versatility in civil aircraft test flight tests are solved, achieving convenient and stable Installation effect.

CN222330005UActive Publication Date: 2025-01-10COMMERCIAL AIRCRAFT CORP OF CHINA LTD +1
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Patent Information

Application Number
CN202420439681.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2025-01-10
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

In civil aircraft test flight test, the existing technology is difficult to achieve convenient and stable installation of test equipment, especially on aircraft seats and cabin slides, and is relatively versatile, and the installation process is cumbersome and unstable.

Method used

A test equipment installation platform based on the aircraft cabin is designed, including platform base assembly, ball screw assembly and flexible fixture. Through the combination of these components, the test equipment can be easily fixed, suitable for various special-shaped structures and in the cabin seat. Install on chair and floor slides.

Benefits of technology

It realizes convenient and stable installation of the test equipment, can clamp various special-shaped structures, improves the versatility and stability of installation, and simplifies the installation process.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a test equipment installation platform based on an airplane passenger cabin. The test equipment installation platform based on the airplane passenger cabin comprises a platform bottom plate assembly, a ball screw assembly, a first flexible clamp and a second flexible clamp. Wherein the platform bottom plate assembly is fixed to a passenger cabin seat or a passenger cabin floor sliding rail, the ball screw assembly is fixed to the platform bottom plate assembly, the first flexible clamp is fixed to the platform bottom plate assembly and the ball screw assembly, and the second flexible clamp is fixed to the platform bottom plate assembly and the ball screw assembly. And the second flexible clamp is movably mounted on the platform bottom plate assembly by means of the ball screw assembly, so that test equipment is clamped between the first flexible clamp and the second flexible clamp. According to the technical scheme, the clamp has the advantages of being convenient and fast to install, stable in installation, capable of clamping various special-shaped structures and high in universality.
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Description

Technical Field

[0001] The utility model relates to a test equipment installation platform based on an aircraft cabin, belonging to the technical field of civil aircraft flight test. Background Art

[0002] During the flight test modification process of civil aircraft, it is usually necessary to temporarily install test equipment or install test equipment in a short period of time, and the equipment needs to be fixed on the aircraft seat or cabin slide rail. In the past, the installation of test equipment on aircraft seats mainly relied on aluminum foil tape bonding or plastic binding tape binding, which was unstable and cumbersome to install and related to the experience of the implementer. To install test equipment on the slide rail, it is necessary to know the shape of the equipment and the size of the mounting hole in advance, and then design the installation platform. From bracket design to manufacturing to transfer, the installation cycle is long and the versatility is low. Utility Model Content

[0003] One purpose of the utility model is to provide a test equipment installation platform based on an aircraft cabin, which can overcome the defects of the prior art, is easy to install, is firmly installed, can clamp various special-shaped structures, and has strong versatility.

[0004] The above objectives of the utility model are achieved by a test equipment installation platform based on an aircraft cabin, the test equipment installation platform based on the aircraft cabin comprising a platform bottom plate assembly, a ball screw assembly, a first flexible clamp and a second flexible clamp;

[0005] Wherein, the platform floor assembly is fixed to a cabin seat or a cabin floor slide rail, the ball screw assembly is fixed to the platform floor assembly, the first flexible clamp is fixed to the platform floor assembly and the ball screw assembly, and the second flexible clamp is movably mounted on the platform floor assembly with the aid of the ball screw assembly to clamp the test equipment between the first flexible clamp and the second flexible clamp.

[0006] According to the above technical scheme, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: convenient and stable installation, capable of clamping various special-shaped structures, and having strong versatility.

[0007] Preferably, the platform base plate assembly includes a guide rail, a pull ring, a slide rail fixing hole, and a support plate; wherein the guide rail is longitudinally mounted on the support plate, the pull ring is mounted at a corner or near a corner of the support plate, and the slide rail fixing hole is arranged at a corner or near a corner of the support plate.

[0008] According to the above technical scheme, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: through the appropriate platform bottom plate component design, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0009] Preferably, the ball screw assembly includes a screw, a screw head, a first fixed block, a ball slider, and a second fixed block; wherein the first fixed block and the second fixed block are respectively arranged near both ends of the screw, for fixing the screw to the platform base plate assembly, the ball slider is arranged to be movable on the screw, the first flexible clamp is fixed to the second fixed block and thus fixed to the platform base plate assembly, the second flexible clamp is fixed to the ball slider and thus movably mounted on the platform base plate assembly, and the screw head is arranged at the end of the screw near the first fixed block.

[0010] According to the above technical scheme, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: through the appropriate design of the ball screw assembly, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0011] Preferably, each of the first flexible clamp and the second flexible clamp includes a clamp body, an elastic pin, and a handle; wherein the elastic pin is arranged on the inner side of the clamp body to face the test device, and the handle is arranged on the side of the clamp body to lock or release the elastic pin, thereby locking or releasing the test device.

[0012] According to the above technical solution, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: through the appropriate flexible fixture design, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0013] Preferably, each of the first flexible clamp and the second flexible clamp further includes a guide rail slot, which is arranged on the bottom side of the clamp body and is clamped on the guide rail of the platform base plate assembly.

[0014] According to the above technical scheme, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: through the appropriately arranged guide rail slots, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0015] Preferably, the elastic pins on each flexible clamp are arranged in a rectangular array.

[0016] According to the above technical solution, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: through the appropriate elastic pin design, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0017] Preferably, the number of the guide rails is two.

[0018] According to the above technical solution, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: through the appropriate number of guide rails, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0019] Preferably, the number of the pull rings is at least three.

[0020] According to the above technical solution, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: through the appropriate number of pull rings, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0021] Preferably, the slide rail fixing through holes include at least two types of slide rail fixing through holes.

[0022] According to the above technical scheme, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate number of slide rail fixing through-hole types, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0023] Preferably, the number of each type of slide rail fixing through holes is four.

[0024] According to the above technical scheme, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate number of fixing holes for each type of slide rail, the installation is more convenient, the installation is more stable, and the versatility is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of a test equipment installation platform based on an aircraft cabin according to an embodiment of the utility model.

[0026] Figure 2 It is a schematic diagram of a platform bottom plate assembly in a test equipment installation platform based on an aircraft cabin according to an embodiment of the utility model.

[0027] Figure 3 It is a schematic diagram of a ball screw assembly in a test equipment installation platform based on an aircraft cabin according to an embodiment of the utility model.

[0028] Figure 4 It is a schematic diagram of a flexible fixture in a test equipment installation platform based on an aircraft cabin according to an embodiment of the utility model.

[0029] Figure 5A It is a schematic diagram of a cabin slide rail fixing structure used together with a test equipment mounting platform based on an aircraft cabin according to an embodiment of the utility model.

[0030] Figure 5BIt is a schematic diagram of another cabin slide rail fixing structure used together with the aircraft cabin-based test equipment mounting platform of one embodiment of the utility model.

[0031] Reference numerals list

[0032] 1: platform base plate assembly; 2: ball screw assembly; 3: first flexible clamp; 4: second flexible clamp; 5: guide rail; 6: pull ring; 7: first type slide rail fixing through hole; 8: second type slide rail fixing through hole; 9: support plate; 10: screw rod; 11: screw rod head; 12: first fixing block; 13: ball slider; 14: second fixing block; 15: elastic pin; 16: handle; 17: guide rail slot; 18: aircraft slide rail pull ring; 19: anchor nut; 20: stop block; 21: bolt; 22: spring washer; 23: flat washer. DETAILED DESCRIPTION

[0033] The specific implementation methods of the utility model will be described below. It should be noted that in the specific description of these implementation methods, in order to make a concise description, it is impossible for this specification to describe all the features of the actual implementation methods in detail. It should be understood that in the actual implementation of any implementation method, just as in the process of any engineering project or design project, in order to achieve the specific goals of the developer and to meet system-related or business-related restrictions, various specific decisions are often made, and this will also change from one implementation method to another. In addition, it can also be understood that although the efforts made in this development process may be complex and lengthy, for ordinary technicians in the field related to the content disclosed by the utility model, some changes in design, manufacturing or production based on the technical content disclosed in this disclosure are just conventional technical means, and should not be understood as insufficient content of this disclosure.

[0034] Unless otherwise defined, the technical or scientific terms used in the claims and the specification shall have the usual meaning understood by persons with ordinary skills in the technical field to which the utility model belongs. The words "first", "second" and similar words used in the patent application specification and the claims of the utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and other similar words do not indicate a quantitative limitation, but indicate the existence of at least one. "Include" or "comprises" and other similar words mean that the elements or objects appearing before "include" or "comprises" include the elements or objects listed after "include" or "comprises" and their equivalent elements, and do not exclude other elements or objects. "Connect" or "connected" and other similar words are not limited to physical or mechanical connections, nor are they limited to direct or indirect connections.

[0035] In the following description, in order to clearly demonstrate the structure and working mode of the utility model, many directional words will be used for description, but the words "front", "back", "left", "right", "outside", "inside", "outward", "inward", "up", "down", etc. should be understood as convenient terms and should not be understood as restrictive terms.

[0036] Figure 1 FIG. 1 is a schematic diagram of a test equipment installation platform based on an aircraft cabin according to an embodiment of the present invention. Figure 1 As shown, according to one embodiment of the utility model, a test equipment installation platform based on an aircraft cabin includes a platform bottom plate assembly 1, a ball screw assembly 2, a first flexible clamp 3 and a second flexible clamp 4;

[0037] Among them, the platform floor assembly 1 is fixed to the cabin seat or the cabin floor slide rail, the ball screw assembly 2 is fixed to the platform floor assembly 1, the first flexible clamp 3 is fixed to the platform floor assembly 1 and the ball screw assembly 2, and the second flexible clamp 4 is movably installed on the platform floor assembly 1 with the aid of the ball screw assembly 2 to clamp the test equipment between the first flexible clamp 3 and the second flexible clamp 4.

[0038] According to the above technical scheme, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: convenient and stable installation, capable of clamping various special-shaped structures, and having strong versatility.

[0039] Specifically, the utility model proposes a test equipment installation platform based on an aircraft cabin. The test equipment installation platform based on the aircraft cabin can clamp various special-shaped structures, the clamping distance is adjustable, and the various degrees of freedom of the equipment can be clamped. It can also be used on cabin seats and cabin floor slides at the same time, achieving the beneficial technical effects of convenient installation, stable installation, ability to clamp various special-shaped structures, and strong versatility.

[0040] Figure 2 Schematic diagram of a platform bottom plate assembly in a test equipment installation platform based on an aircraft cabin according to an embodiment of the present invention. Figure 2 As shown, the platform floor assembly 1 includes a guide rail 5, a pull ring 6, a slide rail fixing through hole, and a support plate 9; wherein the guide rail 5 is longitudinally mounted on the support plate 9, the pull ring 6 is mounted at or near a corner of the support plate 9, and the slide rail fixing through hole is arranged at or near a corner of the support plate 9. According to the above technical scheme, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate design of the platform floor assembly, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0041] Figure 3Schematic diagram of a ball screw assembly in a test equipment installation platform based on an aircraft cabin according to an embodiment of the present invention. Figure 3 As shown, the ball screw assembly 2 includes a screw 10, a screw head 11 (for example, a hexagonal screw head), a first fixed block 12, a ball slider 13, and a second fixed block 14; wherein the first fixed block 12 and the second fixed block 14 are respectively arranged near the two ends of the screw 10, and are used to fix the screw 10 (for example, by screws) to the platform base plate assembly 1, and the ball slider 13 is arranged to be movable on the screw 10, the first flexible clamp 3 is fixed (for example, screwed) to the second fixed block 14 and thus fixed to the platform base plate assembly 1, and the second flexible clamp 4 is fixed (for example, screwed) to the ball slider 13, so as to be movably installed on the platform base plate assembly 1, and the screw head 11 is arranged at the end of the screw 10 located near the first fixed block 12. When the screw head 11 is rotated, the rotational motion of the screw 10 is converted into the linear motion of the ball slider 13, which drives the second flexible clamp 4 to move and adjust the installation distance. According to the above technical scheme, the aircraft cabin-based test equipment installation platform of the utility model can achieve the following beneficial technical effects: through the appropriate design of the ball screw assembly, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0042] Figure 4 Schematic diagram of a flexible fixture in a test equipment installation platform based on an aircraft cabin according to an embodiment of the present invention. Figure 4 As shown, each of the first flexible clamp 3 and the second flexible clamp 4 includes a clamp body, an elastic pin 15 (such as an elastic steel pin), and a handle 16; wherein the elastic pin 15 is arranged on the inner side of the clamp body to face the test equipment, and the handle 16 is arranged on the side of the clamp body to lock or release the elastic pin 15, thereby locking or releasing the test equipment. According to the above technical scheme, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate flexible clamp design, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0043] In some embodiments, Figure 4 As shown, each of the first flexible clamp 3 and the second flexible clamp 4 further includes a guide rail slot 17, which is arranged on the bottom side of the clamp body and is clamped on the guide rail 5 of the platform bottom plate assembly 1. According to the above technical solution, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriately arranged guide rail slot, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0044] In some embodiments, Figure 4As shown, the elastic pins 15 on each flexible fixture are arranged in a rectangular array. According to the above technical solution, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate elastic pin design, the installation is more convenient, the installation is more stable, and the versatility is stronger. For example, the elastic pins 15 on each flexible fixture are arranged in a 44×14 rectangular array.

[0045] Each elastic pin 15 in the first flexible clamp 3 and the second flexible clamp 4 is independently extended and retracted. After the test equipment is placed, the handle 16 is locked and the clamp is locked; the handle 16 is released and the elastic pin 15 is reset. The clamp is adaptive to any shape and is flexible to fix. It can be formed into any shape according to the shape of the test equipment, supporting special-shaped equipment, round equipment, etc.

[0046] In some embodiments, Figure 2 As shown, there are two guide rails 5. According to the above technical solution, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate number of guide rails, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0047] In some embodiments, Figure 2 As shown, the number of the pull rings 6 is at least three. According to the above technical solution, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate number of pull rings, the installation is more convenient, the installation is more stable, and the versatility is stronger. More preferably, if Figure 2 As shown, there are four pull rings 6. For example, four pull rings 6 are respectively installed at four corners or near the corners on the support plate 9.

[0048] In some embodiments, Figure 2 As shown, the slide rail fixing through hole includes at least two types of slide rail fixing through holes, for example, a first type of slide rail fixing through hole 7 and a second type of slide rail fixing through hole 8. For example, the first type of slide rail fixing through hole 7 may be an ARJ slide rail fixing through hole; the second type of slide rail fixing through hole 8 may be a C919 slide rail fixing through hole. According to the above technical solution, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate number of types of slide rail fixing through holes, the installation is more convenient, the installation is more stable, and the versatility is stronger.

[0049] In some embodiments, Figure 2As shown, the number of each type of slide rail fixing through holes is four. According to the above technical solution, the test equipment installation platform based on the aircraft cabin of the utility model can achieve the following beneficial technical effects: through the appropriate number of each type of slide rail fixing through holes, the installation is more convenient, the installation is more stable, and the versatility is stronger. For example, four first type slide rail fixing through holes 7 and four second type slide rail fixing through holes 8 are respectively arranged at or near the four corners of the support plate 9.

[0050] The installation method of the test equipment installation platform based on the aircraft cabin of the utility model can be as follows:

[0051] Figure 5A Schematic diagram of a cabin slide rail fixing structure used together with a test equipment installation platform based on an aircraft cabin according to an embodiment of the utility model. Figure 5A As shown, when the test equipment needs to be installed on the cabin seat, a test equipment installation platform based on the aircraft cabin is placed on the aircraft seat, and the four pull rings 6 of the platform bottom plate assembly 1 are cross-fixed with the aircraft slide rail pull ring 18 (for example, fixed to the cabin floor slide rail) by using an adjustable pull rope to prevent the platform from shaking. Then the test equipment is installed between the first flexible clamp 3 and the second flexible clamp 4, and the installation distance is adjusted by rotating the screw head 11.

[0052] Figure 5B Schematic diagram of another cabin slide rail fixing structure used together with the aircraft cabin-based test equipment installation platform of one embodiment of the utility model. Figure 5B As shown, when it is necessary to install the test equipment on the cabin floor slide rail, place the anchor nut 19 and the stop block 20 in the cabin floor slide rail, place a test equipment installation platform based on the aircraft cabin on the stop block 20, align the bolts 21, spring washers 22, and flat washers 23 with the first type of slide rail fixing through holes 7 or the second type of slide rail fixing through holes 8 and tighten them on the anchor nut 19 to fix the installation platform, and finally install the test equipment between the first flexible clamp 3 and the second flexible clamp 4, and adjust the installation distance by rotating the screw head 11.

[0053] The specific implementation modes of the present invention are described above, but those skilled in the art will understand that the above specific implementation modes do not constitute limitations to the present invention, and those skilled in the art can make various modifications based on the above disclosure without exceeding the scope of the present invention.

Claims

1. A test equipment installation platform based on an aircraft cabin, characterized in that: The aircraft cabin-based test equipment installation platform includes a platform base plate assembly, a ball screw assembly, a first flexible fixture, and a second flexible fixture; Wherein, the platform floor assembly is fixed to a cabin seat or a cabin floor slide rail, the ball screw assembly is fixed to the platform floor assembly, the first flexible clamp is fixed to the platform floor assembly and the ball screw assembly, and the second flexible clamp is movably mounted on the platform floor assembly with the aid of the ball screw assembly to clamp the test equipment between the first flexible clamp and the second flexible clamp.

2. The test equipment installation platform based on the aircraft cabin according to claim 1, characterized in that: The platform base plate assembly includes a guide rail, a pull ring, a slide rail fixing hole, and a support plate; wherein the guide rail is longitudinally installed on the support plate, the pull ring is installed at a corner or near a corner of the support plate, and the slide rail fixing hole is arranged at a corner or near a corner of the support plate.

3. The test equipment installation platform based on the aircraft cabin according to claim 1, characterized in that: The ball screw assembly includes a screw, a screw head, a first fixed block, a ball slider, and a second fixed block; wherein the first fixed block and the second fixed block are respectively arranged near the two ends of the screw, for fixing the screw to the platform base plate assembly, the ball slider is arranged to be movable on the screw, the first flexible clamp is fixed to the second fixed block and thus fixed to the platform base plate assembly, the second flexible clamp is fixed to the ball slider and thus can be movably mounted on the platform base plate assembly, and the screw head is arranged at the end of the screw near the first fixed block.

4. The test equipment installation platform based on the aircraft cabin according to claim 1, characterized in that: Each of the first flexible clamp and the second flexible clamp includes a clamp body, an elastic pin, and a handle; wherein the elastic pin is arranged on the inner side of the clamp body to face the test device, and the handle is arranged on the side of the clamp body to lock or release the elastic pin, thereby locking or releasing the test device.

5. The test equipment installation platform based on the aircraft cabin according to claim 4, characterized in that: Each of the first flexible clamp and the second flexible clamp further includes a guide rail clamping slot, which is arranged on the bottom side of the clamp body and clamped on the guide rail of the platform bottom plate assembly.

6. The test equipment installation platform based on the aircraft cabin according to claim 4, characterized in that: The elastic pins on each flexible fixture are arranged in a rectangular array.

7. The test equipment installation platform based on the aircraft cabin as claimed in claim 2, characterized in that: The number of the guide rails is two.

8. The test equipment installation platform based on the aircraft cabin as claimed in claim 2, characterized in that: The number of the pull rings is at least three.

9. The test equipment installation platform based on the aircraft cabin as claimed in claim 2, characterized in that: The slide rail fixing through holes include at least two types of slide rail fixing through holes.

10. The aircraft cabin-based test equipment installation platform according to claim 9, characterized in that: The number of fixing through holes for each type of slide rail is four.