CN214040676U - Rotor unmanned aerial vehicle static force loading test platform - Google Patents
Rotor unmanned aerial vehicle static force loading test platform Download PDFInfo
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- CN214040676U CN214040676U CN202120287120.XU CN202120287120U CN214040676U CN 214040676 U CN214040676 U CN 214040676U CN 202120287120 U CN202120287120 U CN 202120287120U CN 214040676 U CN214040676 U CN 214040676U
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- aerial vehicle
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Abstract
The utility model discloses a rotor unmanned aerial vehicle static force loading test platform, including the base, the fixed elevating system that sets up in the middle position of the top of base, elevating system's top sets up a supporting platform that is used for placing the unmanned aerial vehicle that awaits measuring, and the top of base is vertically fixed with many spinal branchs vaulting poles along its week, and the top level of bracing piece is fixed an annular hoist and mount frame, be provided with many connecting ropes on the annular hoist and mount frame, promote unmanned aerial vehicle through elevating system, be connected rotor arm and connecting rope, then elevating system descends, after connecting rope is in tensile state, add the counter weight to unmanned aerial vehicle center under-deck step by step, realize the loading step by step of static force test; test platform can real-time supervision rotor arm's the atress condition, moreover annular hoist and mount frame's setting, make test platform's commonality is strong, can be applicable to rotor arm quantity difference, the different rotor unmanned aerial vehicle's of size test needs.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an unmanned aerial vehicle tests technical field, concretely relates to quiet power loading test platform of rotor unmanned aerial vehicle.
[ background of the invention ]
With the development of science and technology, the unmanned gyroplane receives more and more attention in the military and civil fields and develops wide application. The manufacturing of rotor unmanned aerial vehicle shell body has also received the pursuit of more and more manufacturing industries, but most enterprises all focus on manufacturing process and appearance, often neglected the life and the ultimate load capacity of complete machine casing, lead to the unmanned aerial vehicle casing bearing capacity of production poor, life is short.
The static loading test is used for observing and researching the strength, rigidity, stress and deformation distribution condition of the aircraft structure or member under the action of static load, and is an important means for verifying the structural strength and static analysis correctness of the aircraft; the maximum stress of the extreme bearing capacity and the stress concentration area of the rotor unmanned aerial vehicle shell is designed and verified by using a simulation analysis calculation method or a theoretical calculation method in most of existing unmanned aerial vehicle shell manufacturing enterprises, static loading tests on the whole unmanned aerial vehicle shell are few, and support of test data is lacked, so that work for researching the service life and the extreme bearing capacity of the rotor unmanned aerial vehicle shell and the maximum stress area is limited.
The static loading test technology of the conventional aircraft is relatively mature, special loading equipment is provided, any load state of the aircraft in flight can be simulated, however, the test equipment is heavy, a test site is fixed, operation is complex, test cost is high, the rotor unmanned aerial vehicle is often provided with multiple rotors, and the static loading equipment of the conventional aircraft is not suitable for development of the static loading test of the unmanned aerial vehicle with relatively small whole aircraft size, low cost and multiple rotors.
[ Utility model ] content
An object of the utility model is to provide a static force loading test platform of rotor unmanned aerial vehicle with low costs, the commonality is strong to prior art's defect.
The utility model adopts the following technical scheme: the utility model provides a rotor unmanned aerial vehicle static force loading test platform, includes the base, the fixed elevating system that sets up in top intermediate position of base, elevating system's top sets up a supporting platform, the top of base is along the vertical many spinal branchs vaulting pole that are fixed with all around of base, the fixed annular of top level of bracing piece hoists the frame, many first connecting ropes of connection on the annular hoist and mount frame.
Preferably, a tension sensor is connected to the lower extreme of first connecting rope, tension sensor's lower extreme is connected with the rotor unmanned aerial vehicle's that awaits measuring rotor wing arm through the second connecting rope.
Preferably, the lifting mechanism is a worm gear screw rod lifter.
Preferably, the annular hoisting frame comprises an outer circle connecting plate, an inner circle connecting plate and a plurality of connecting rods connected between the outer circle connecting plate and the inner circle connecting plate.
Preferably, the one end and the interior round connection board of connecting rod are articulated, and the other end passes through the bolt to be connected with the excircle connecting plate, there are a plurality of round holes along same circumference evenly distributed on the excircle connecting plate for angle between two adjacent hoist and mount connecting rods can be adjusted, adapts to different quantity rotor unmanned aerial vehicle's measurement needs.
Preferably, be provided with the rectangular hole along its length direction on the connecting rod, a rectangular downthehole sliding connection rope fixed knot constructs, first connecting rope passes through the rope fixed knot and constructs and be connected with the connecting rod for the position of first connecting rope on annular hoist and mount frame can be adjusted, guarantees when testing the unmanned aerial vehicle of rotor arm length difference, and first connecting rope, second connecting rope are in vertical state all the time, guarantees measuring result's accuracy.
Preferably, the rope fixing structure comprises an upper fixing block and a lower fixing block, a groove is formed in the lower surface of the upper fixing block, a protrusion matched with the groove is formed in the upper surface of the lower fixing block, and the upper fixing block and the lower fixing block are connected through a bolt.
Preferably, the intermediate position of length direction sets up a vertical recess respectively on the both sides face of front and back of lower fixed block for place first connecting rope, when using, pass vertical recess with the upper end of first connecting rope, walk around the arch at top, the tip exposes, then utilizes the bolt to be connected last fixed block and lower fixed block, utilizes last fixed block to compress tightly first connecting rope.
Preferably, the fixed buckle that sets up in upper end of first connecting rope prevents because hoist and mount thing (rotor unmanned aerial vehicle) is overweight, and first connecting rope slides between last fixed block and lower fixed block and drops.
Preferably, the left side surface and the right side surface of the lower fixing block are respectively provided with a sliding groove along the width direction of the lower fixing block, and the sliding grooves are matched and slidably connected with the two side walls of the strip-shaped holes in the connecting rod.
Preferably, be provided with the rubber buffer pad on the supporting platform, the lower surface in rotor unmanned aerial vehicle center compartment on lift platform is placed in the protection, simultaneously, when taking place to fall in the rotor unmanned aerial vehicle test process, can play fine cushioning effect, avoids rotor unmanned aerial vehicle casing impaired.
Preferably, the tension sensor is a high-precision digital-display load cell, and can display the loading condition of each rotor arm in real time.
Preferably, the four corners of the bottom of the base are respectively provided with a universal wheel, so that the base is convenient to move.
The utility model has the advantages that:
the static loading test platform of the utility model has simple structure and convenient operation, the arrangement of the annular hoisting frame can adjust the position of a loading point according to the actual loading requirement, and the static loading test can be carried out on unmanned aerial vehicles with different rotor arm numbers and sizes, and the universality is strong;
static force loading test platform high accuracy digital display force cell sensor's setting for the loaded condition that can each rotor arm of real time monitoring obtains rotor unmanned aerial vehicle's limit bearing capacity under static force loading.
[ description of the drawings ]
Fig. 1 is a front view of a static loading test platform for a rotor unmanned aerial vehicle according to the present invention;
fig. 2 is a top view of the unmanned rotorcraft static loading test platform of the present invention;
FIG. 3 is a schematic cross-sectional view of an upper fixture block;
FIG. 4 is a schematic structural view of a lower fixing block;
FIG. 5 is a top view of the lower fixture block;
wherein, 1-a base; 2-a lifting mechanism; 3-supporting rods; 4-ring hoisting frame; 401-excircle connecting plate; 402-inner circle connecting plate; 403-a connecting rod; 404-circular hole; 405-elongated holes; 5-supporting the platform; 6-a first connecting rope; 7-a tension sensor; 8-a rope fixing structure; 801-fixing block mounting; 8011-grooves; 802-lower fixed block; 8021-bump; 8022-vertical grooves; 8023-a chute; 9-rotor drone; 10-universal wheels; 11-second connecting rope.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described with the following specific examples, but is by no means limited thereto. The following description is of the preferred embodiments of the present invention, and is provided for the purpose of illustration only, and is not to be construed as limiting the invention, and it is intended to cover any modifications, equivalents and improvements made within the spirit and principles of the present invention.
As shown in fig. 1, the utility model provides a quiet power loading test platform of rotor unmanned aerial vehicle, including base 1, base 1's the fixed elevating system 2 that sets up in top intermediate position, elevating system 2's top sets up a supporting platform 5, base 1's top is along the vertical many spinal branchs pole 3 that are fixed with all around of base, and a top level of bracing piece 3 is fixed annular hoist and mount frame 4, many first connecting ropes 6 are connected to the below of annular hoist and mount frame 4, a force sensor 7 is connected to the lower extreme of first connecting rope 6, force sensor 7's lower extreme is connected 11 and unmanned aerial vehicle rotor arms through the second and is connected.
As shown in fig. 2, said annular hoisting frame 4 comprises an outer circle connecting plate 401, an inner circle connecting plate 402 and a plurality of connecting rods 403 connected between the outer circle connecting plate 401 and the inner circle connecting plate 402; one end of the connecting rod 403 is hinged to the inner circle connecting plate, the other end of the connecting rod is connected with the outer circle connecting plate 402 through a bolt, and a plurality of round holes 404 are uniformly distributed on the outer circle connecting plate 402 along the same circumference, so that the angle between two adjacent hoisting connecting rods 403 can be adjusted, and the measuring requirements of different numbers of unmanned rotorcraft can be met.
Preferably, the lifting mechanism 2 is a screw rod lifter, a screw rod of the worm gear screw rod lifter only performs axial movement and does not perform rotary movement, and an anti-rotation screw rod lifter disclosed in patent CN201920984846.1 is selected.
Preferably, be provided with rectangular hole 405 along its length direction on the connecting rod 403, a sliding connection rope fixed knot constructs 8 in rectangular hole 405, first connecting rope 6 is connected with connecting rod 403 through rope fixed knot constructs 8 for first connecting rope 6 can be adjusted in the position on annular hoist and mount frame 4, guarantees when testing the unmanned aerial vehicle that rotor arm length is different, and first connecting rope 6 is in vertical state all the time, guarantees measuring result's accuracy.
As shown in fig. 3 to 5, the rope fixing structure 8 includes an upper fixing block 801 and a lower fixing block 802, a groove 8011 is provided on a lower surface of the upper fixing block 801, a protrusion 8021 matched with the groove 8011 is provided on an upper surface of the lower fixing block 802, threaded holes are vertically provided on the upper fixing block 801 and the lower fixing block 802, and the upper fixing block 801 is matched with the threaded holes on the lower fixing block 802 and connected by bolts.
Preferably, the middle positions of the length directions of the front side surface and the rear side surface of the lower fixing block 802 are respectively provided with a vertical groove 8022 for placing a first connecting rope, when the connecting device is used, the upper end of the first connecting rope penetrates through the strip-shaped hole from bottom to top, passes through the vertical groove 8022, bypasses the protrusion at the top of the lower fixing block, the end part of the first connecting rope is arranged in the vertical groove at the other side of the lower fixing block, then the upper fixing block is connected with the lower fixing block through a bolt, and the upper fixing block is used for tightly pressing the first connecting rope between the upper fixing block and the lower fixing block.
As preferred, the fixed buckle that sets up in upper end of first connecting rope 6 prevents because hoist and mount thing (rotor unmanned aerial vehicle) is overweight, and first connecting rope slides between last fixed block and lower fixed block and drops.
Preferably, the left and right sides face of lower fixed block 802 sets up a spout 8023 respectively along its width direction, spout 8023 and the both sides wall in connecting rod upper stripe shape hole cooperate sliding connection, the screw hole on the fixed block runs through to the spout down, when needs are fixed, further screws up the bolt, utilize the lower extreme top of bolt tightly the connecting rod can.
Preferably, this embodiment the connecting rod is provided with eight for this embodiment test platform can carry out static loading test to common rotor unmanned aerial vehicle such as three rotors, four rotors, six rotors, eight rotors.
As preferred, be provided with the rubber blotter on supporting platform 5, the lower surface in rotor unmanned aerial vehicle center compartment on lift platform is placed in the protection, simultaneously, when taking place to fall among the rotor unmanned aerial vehicle test process, can play fine cushioning effect, avoids rotor unmanned aerial vehicle casing impaired.
Preferably, the tension sensor 7 is a high-precision digital display tension sensor, and can display the loading condition of each rotor arm in real time.
Preferably, the four corners of the bottom of the base 1 are respectively provided with a universal wheel, so that the base is convenient to move.
Preferably, the connection mode of the rotor arm and the second connection rope 11 can adopt a hook and hanging ring for matching connection, and can also adopt other connection modes for connection; specifically, when the hook and the lifting ring are matched for connection, the position on the rotor arm, which is required to be used as a loading point, is wound with the bandage, the lifting ring is arranged above the bandage, the lower end of the second connecting rope 11 is fixedly provided with a hook, and the second connecting rope 11 is matched with the lifting ring through the hook and the lifting ring to be connected with the rotor arm.
Test platform's working process:
(1) the rotor unmanned aerial vehicle is placed on the supporting platform 5, and the position of the end part of the connecting rod 403 in the annular hoisting frame is adjusted according to the number of the rotor arms of the unmanned aerial vehicle and the angle between the rotor arms, so that the connecting rod connected with the rotor arm to be tested and the rotor arm to be tested are positioned on the same vertical surface;
(2) the lifting mechanism 2 acts to lift the rotor unmanned aerial vehicle to a certain height, and the lower end of the second connecting rope 11 is connected with the rotor arm;
(3) adjusting the position of the rope fixing structure 8 on the connecting rod 403 to ensure that the first connecting rope and the second connecting rope are both in a vertical state;
(4) elevating system descends, connects rope and all is in tensile state back as first connecting rope and second, to adding the balancing weight step by step in the unmanned aerial vehicle center chamber, numerical value on the in-process real-time observation force sensor 7, crooked appears until the rotor arm, obtains rotor unmanned aerial vehicle at the limit bearing capacity under the static loading.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a rotor unmanned aerial vehicle static force loading test platform, a serial communication port, the on-line screen storage device comprises a base, the fixed elevating system that sets up in top intermediate position of base, elevating system's top sets up a supporting platform, the top of base is along the vertical many spinal branchs vaulting pole that are fixed with all around of base, the top level of bracing piece a fixed annular hoist and mount frame, annular hoist and mount frame is last to connect many first connecting ropes.
2. The rotor unmanned aerial vehicle static loading test platform of claim 1, wherein a tension sensor is connected to the lower end of the first connecting rope, and the lower end of the tension sensor is connected to the rotor arm of the rotor unmanned aerial vehicle to be tested through the second connecting rope.
3. The rotor unmanned aerial vehicle static loading test platform of claim 1, wherein the annular hoisting frame comprises an outer circle connecting plate, an inner circle connecting plate, and a plurality of connecting rods connected between the outer circle connecting plate and the inner circle connecting plate.
4. The rotor unmanned aerial vehicle static loading test platform of claim 3, wherein one end of the connecting rod is hinged to the inner circle connecting plate, the other end of the connecting rod is connected to the outer circle connecting plate through a bolt, and a plurality of round holes are uniformly distributed on the outer circle connecting plate along the same circumference, so that the angle between two adjacent hoisting connecting rods can be adjusted.
5. The rotor unmanned aerial vehicle static loading test platform of claim 4, wherein the connecting rod is provided with a slot hole along a length direction thereof, a rope fixing structure is slidably connected in the slot hole, and the first connecting rope is connected with the connecting rod through the rope fixing structure.
6. The rotor unmanned aerial vehicle static loading test platform of claim 5, wherein the rope fixing structure comprises an upper fixing block and a lower fixing block, a groove is formed in the lower surface of the upper fixing block, a protrusion matched with the groove is formed in the upper surface of the lower fixing block, and the upper fixing block is connected with the lower fixing block through a bolt.
7. The rotor unmanned aerial vehicle static loading test platform of claim 6, wherein a vertical groove is formed in the middle of the front side face and the back side face of the lower fixing block in the length direction.
8. The rotor unmanned aerial vehicle static loading test platform of claim 7, wherein the left and right sides face of lower fixed block sets up a spout respectively along its width direction, the spout cooperatees sliding connection with the both sides wall in the strip-shaped hole on the connecting rod.
9. A rotary wing unmanned aerial vehicle static loading test platform according to claim 1, wherein the lifting mechanism is a worm screw hoist; and a rubber cushion pad is arranged on the supporting platform.
10. The rotor unmanned aerial vehicle static loading test platform of claim 1, wherein a universal wheel is disposed at each of four corners of the bottom of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120287120.XU CN214040676U (en) | 2021-02-01 | 2021-02-01 | Rotor unmanned aerial vehicle static force loading test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120287120.XU CN214040676U (en) | 2021-02-01 | 2021-02-01 | Rotor unmanned aerial vehicle static force loading test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214040676U true CN214040676U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120287120.XU Active CN214040676U (en) | 2021-02-01 | 2021-02-01 | Rotor unmanned aerial vehicle static force loading test platform |
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| Country | Link |
|---|---|
| CN (1) | CN214040676U (en) |
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2021
- 2021-02-01 CN CN202120287120.XU patent/CN214040676U/en active Active
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