Low-cost supporting device for ground test of unmanned aerial vehicle

Abstract

The utility model discloses a low-cost supporting device for unmanned aerial vehicle ground tests in the technical field of unmanned aerial vehicle ground tests, which comprises an inner frame welding assembly mounted in an outer frame welding assembly in a lifting motion manner, and a power component used for driving the inner frame welding assembly to lift is further arranged in the outer frame welding assembly. The top of the inner frame welding assembly is provided with an air spring assembly, the top of the air spring assembly is connected with a top head assembly used for being connected with the unmanned aerial vehicle, the structure is simple, the number of parts needing to be purchased is small, and therefore the manufacturing period is greatly shortened; the manufacturing cost is low, and the cost of a traditional supporting system is several times that of a supporting system designed in the invention; according to the utility model, the ground test of a certain type of unmanned aerial vehicle is successfully completed under the advantages of low cost, short period and simple installation, and the test platform has excellent practicability and can be used in unmanned aerial vehicle tests.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicle ground testing, in particular to an unmanned aerial vehicle ground testing device. Background Art

[0002] The existing UAV ground test support system is based on the number of supporting systems required by the top and wing nests of various types of UAVs to complete the support of the UAV. Its structural components mainly include: mechanical transmission system, lifting system, support bracket, position fine-tuning device, auxiliary support device, transition bracket, limit mechanism and other parts. The mechanical transmission system is the movement and power for the entire lifting process; the lifting base transmits the load of three parallel pneumatic springs to a screw nut mechanism, which is composed of a base body, a nut sleeve, a transmission deformation compensation mechanism, a universal wheel and a wheel frame, etc., and realizes the elastic support of the aircraft through the control of the pneumatic spring pressure. The existing UAV ground test support system has an overly complex structure, many systems, complex installation, a long production cycle, and is too costly. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a low-cost support device for UAV ground tests, which solves the problems of the existing UAV ground test support system being too complex in structure, having many component systems, being complicated to install, having a long production cycle, and being too costly. The utility model changes the conventional, complex and costly adjustment and lifting structure, and adopts a jack to replace the traditional lifting structure, which greatly reduces the problems of long production cycle, high cost, and difficult installation.

[0004] The purpose of the utility model is achieved in this way: a low-cost support device for ground testing of unmanned aerial vehicles, characterized in that it includes an inner frame welding assembly that can be lifted and lowered and installed in an outer frame welding assembly, the outer frame welding assembly is also provided with a power component for driving the inner frame welding assembly to lift and lower, an air spring component is installed on the top of the inner frame welding assembly, and the top of the air spring component is connected to a head component for connecting to the unmanned aerial vehicle.

[0005] Furthermore, the outer frame assembly includes a frame, on which is mounted an outer connecting plate cooperating with the lifting and lowering movement of the inner frame welding assembly, a slide groove is provided on the outer connecting plate, and the inner frame welding assembly slides up and down along the slide groove.

[0006] Furthermore, the inner frame assembly includes a top plate, on which an inner connecting plate matching the outer connecting plate is mounted, and the inner connecting plate is provided with a sliding rod matching the flower slide groove.

[0007] Furthermore, the air spring assembly includes an air spring, an upper cover plate, and a lower cover plate, wherein the lower cover plate is installed on the top of the inner frame welding assembly, and the head assembly is installed on the top of the upper cover plate.

[0008] Furthermore, the air spring assembly includes three air springs, the bottoms of the three air springs are installed on the top of the inner frame welding assembly, the tops of the three air springs are provided with a support plate, and the head assembly is installed on the support plate.

[0009] Furthermore, the bottom of the outer frame welding assembly is provided with feet and universal wheels.

[0010] Furthermore, a transition bracket is provided at the bottom of the outer frame welding assembly, and a foot and a universal wheel are provided at the bottom of the transition bracket.

[0011] Furthermore, the power assembly adopts a jack.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the utility model has a simple structure and requires a small number of purchased parts, thereby greatly reducing the manufacturing cycle; the manufacturing cost is low, and the cost of the traditional support system is several times that of the support system designed in this article; the utility model successfully completed the ground test of a certain type of UAV with the advantages of low cost, short cycle and simple installation, and has excellent practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0014] Figure 1 This is a structural diagram of Example 1.

[0015] Figure 2 This is a schematic diagram of the outer frame welding assembly structure in Example 1.

[0016] Figure 3 This is a schematic diagram of the inner frame welding assembly structure in Example 1.

[0017] Figure 4 This is a schematic diagram of the structure of the air spring assembly in Example 1.

[0018] Figure 5 This is a structural schematic diagram of Example 2.

[0019] Among them, 100 outer frame welding assembly, 101 frame, 101a bottom plate, 101b square tube, 102 outer connecting plate, 102a slide, 200 inner frame welding assembly, 201 top plate, 202 inner connecting plate, 203 slide rod, 300 power component, 400 air spring component, 401 air spring, 402 upper cover plate, 403 lower cover plate, 500 head assembly, 600 transition bracket, 700 foot, 800 support plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] like Figure 1-4 A low-cost support device for ground testing of an unmanned aerial vehicle is shown. This embodiment is used to test the wing socket of the unmanned aerial vehicle, and includes an inner frame welding assembly 200 that is installed in an outer frame 101 welding assembly 100 and can be raised and lowered. The outer frame 101 welding assembly 100 is also provided with a power component 300 for driving the inner frame welding assembly 200 to rise and fall. The power component 300 adopts a jack; an air spring component 400 is installed on the top of the inner frame welding assembly 200, and the top of the air spring component 400 is connected to a head component 500 for connecting to the unmanned aerial vehicle.

[0023] Furthermore, the outer frame 101 assembly includes a frame 101, on which is mounted an outer connecting plate 102 for cooperating with the lifting and lowering movement of the inner frame welding assembly 200, and a slide groove 102a is provided on the outer connecting plate 102, and the inner frame welding assembly 200 slides up and down along the slide groove 102a.

[0024] Specifically, the frame 101 adopts a square structure, the bottom of the frame 101 is the bottom plate 101a, and the remaining parts are welded with a square tube 101b structure. The external connecting plate 102 is welded and fixed on the inner side of the square tube 101b (not limited to this embodiment, and the same function can be achieved). There are four corresponding external connecting plates 102, and the external connecting plates 102 are long strips, and the slide groove 102a starts along the length direction.

[0025] The inner frame 101 assembly includes a top plate 201, on which an inner connecting plate 202 matching the outer connecting plate 102 is mounted, and on the inner connecting plate 202 a sliding rod 203 matching the flower slide groove 102a is provided.

[0026] Specifically, the top plate 201 is a square plate, and there are four inner connecting plates 202, which are also long strips. The inner connecting plates 202 are arranged around the top plate 201, and the sliding rods 203 are arranged on the lower outer side of the inner connecting plates 202 (not limited to the sliding rods 203, and a bolt structure can also be used).

[0027] The air spring assembly 400 includes an air spring 401 , an upper cover plate 402 , and a lower cover plate 403 . The lower cover plate 403 is installed on the top of the inner frame welding assembly 200 , and the head assembly 500 is installed on the top of the upper cover plate 402 .

[0028] Specifically, the lower cover plate 403 is installed on the top plate 201 .

[0029] A transition bracket 600 is provided at the bottom of the outer frame 101 welding assembly 100 , and a foot 700 and a universal wheel (not shown in the figure) are provided at the bottom of the transition bracket 600 .

[0030] Specifically, the transition bracket 600 also has a square frame 101 structure, four feet 700 are installed on the four corners of the bottom of the transition bracket 600, and universal wheels are installed between the feet 700.

[0031] During operation, when conducting a ground test of a drone, move the two sets of Embodiment 1 to the required position according to the test requirements, retract the universal wheels and bolt the anchor 700, align the top head assembly 500 with the support nest of the aircraft, adjust the height of the jack in the support system, and extend the top head into the nest when the air spring 401 is pressurized, and finally pressurize the air spring 401. (The air pressure value of the air spring 401 is determined by the test weight of the aircraft and the support performance of the purchased air spring 401) When conducting the test, it is necessary to ensure that the left and right wing nest support systems are pressurized at the same time and to the same pressure. After the left and right wing nests are both pressurized and the elastic support of the drone is completed, subsequent tests can be carried out. The utility model has a simple structure and can easily achieve support, which greatly reduces costs compared to traditional equipment.

[0032] Example 2

[0033] like Figure 5A low-cost support device for ground testing of an unmanned aerial vehicle is shown. The outer frame 101 welding assembly 100, the inner frame welding assembly 200 structure, and the air spring 401 in Example 2 are the same as those in Example 1. This embodiment is used to test the top nest of the unmanned aerial vehicle, including an inner frame welding assembly 200 installed in the outer frame 101 welding assembly 100 for lifting and lowering movement. The outer frame 101 welding assembly 100 is also provided with a power component 300 for driving the inner frame welding assembly 200 to lift and lower movement. Three air springs 401 are installed on the top of the inner frame welding assembly 200. The power component 300 adopts a jack. A support plate 800 is provided on the top of the three air springs 401. The support plate 800 is used to connect the top head component 500 of the unmanned aerial vehicle.

[0034] The outer frame 101 assembly includes a frame 101, on which an outer connecting plate 102 is installed to cooperate with the lifting movement of the inner frame welding assembly 200. A slide groove 102a is provided on the outer connecting plate 102, and the inner frame welding assembly 200 slides up and down along the slide groove 102a.

[0035] Specifically, the frame 101 adopts a square structure, the bottom of the frame 101 is the bottom plate 101a, and the remaining parts are welded with a square tube 101b structure. The external connecting plate 102 is welded and fixed on the inner side of the square tube 101b (not limited to this embodiment, and the same function can be achieved). There are four corresponding external connecting plates 102, and the external connecting plates 102 are long strips, and the slide groove 102a starts along the length direction.

[0036] The inner frame 101 assembly includes a top plate 201, on which an inner connecting plate 202 matching the outer connecting plate 102 is mounted, and on the inner connecting plate 202 a sliding rod 203 matching the flower slide groove 102a is provided.

[0037] Specifically, the top plate 201 is a square plate, which is slightly larger than the top plate 201 of Example 1 (three air springs 401 need to be installed). There are four inner connecting plates 202, which are also long strips. The inner connecting plates 202 are arranged around the top plate 201, and the sliding rod 203 is arranged on the lower outer side of the inner connecting plate 202 (not limited to the sliding rod 203, and a bolt structure can also be used).

[0038] The bottoms of the three air springs 401 are mounted on the top of the inner frame welding assembly 200 , and the bottom of the outer frame 101 welding assembly 100 is provided with feet 700 and universal wheels.

[0039] Specifically, four feet 700 are installed at four corners of the bottom of the base plate 101 a , and the universal wheels are installed between the feet 700 .

[0040] When conducting a ground test of a certain type of unmanned aerial vehicle, after moving a set of embodiment 2 to the required position according to the test requirements, the universal wheels are retracted and the anchor bolts 700 are installed; the top head is aligned with the support nest of the aircraft, and the height of the jack in the support system is adjusted to extend the top head into the nest when the air spring 401 is pressurized, and finally the air spring 401 is pressurized; (the air pressure value of the air spring 401 is determined according to the test weight of the aircraft and the support performance of the purchased air spring 401) The top nest air spring 401 must be pressurized during the test; after the elastic support of the unmanned aerial vehicle is completed, subsequent tests can be carried out.

[0041] It should be noted that, in actual operation, Example 1 and Example 2 can be used at the same time.

[0042] The above embodiments are only used to help understand the method and core idea of ​​the utility model. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A low-cost support device for UAV ground testing, characterized in that: The invention comprises an inner frame welding assembly (200) which is installed in an outer frame (101) welding assembly (100) and can be lifted and lowered. A power assembly (300) is also provided in the outer frame (101) welding assembly (100) for driving the inner frame welding assembly (200) to lift and lower. An air spring assembly (400) is installed on the top of the inner frame welding assembly (200). The top of the air spring assembly (400) is connected to a head assembly (500) for connecting to a drone.

2. A low-cost support device for UAV ground testing according to claim 1, characterized in that: The outer frame (101) assembly comprises a frame (101), an outer connecting plate (102) is mounted on the frame (101) and cooperates with the inner frame welding assembly (200) for lifting and lowering movement, a slide groove (102a) is provided on the outer connecting plate (102), and the inner frame welding assembly (200) slides up and down along the slide groove (102a).

3. A low-cost support device for UAV ground testing according to claim 2, characterized in that: The inner frame (101) assembly comprises a top plate (201), an inner connecting plate (202) cooperating with the outer connecting plate (102) being mounted on the top plate (201), and a sliding rod (203) cooperating with the flower sliding groove (102a) being provided on the inner connecting plate (202).

4. A low-cost support device for UAV ground test according to any one of claims 1 to 3, characterized in that: The air spring assembly (400) comprises an air spring (401), an upper cover plate (402), and a lower cover plate (403); the lower cover plate (403) is mounted on the top of the inner frame welding assembly (200); and the top head assembly (500) is mounted on the top of the upper cover plate (402).

5. A low-cost support device for UAV ground test according to any one of claims 1-3, characterized in that: The air spring assembly (400) comprises three air springs (401), the bottoms of the three air springs (401) are mounted on the top of the inner frame welding assembly (200), a support plate (800) is provided on the top of the three air springs (401), and the head assembly (500) is mounted on the support plate (800).

6. A low-cost support device for UAV ground testing according to claim 5, characterized in that: The bottom of the outer frame (101) welding assembly (100) is provided with a foot (700) and a universal wheel.

7. A low-cost support device for UAV ground test according to any one of claims 1 to 3, characterized in that: A transition bracket (600) is provided at the bottom of the outer frame (101) welding assembly (100), and a foot (700) and a universal wheel are provided at the bottom of the transition bracket (600).

8. A low-cost support device for UAV ground test according to any one of claims 1 to 3, characterized in that: The power assembly (300) adopts a jack.

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