CN219790524U - Unmanned helicopter engine shock attenuation installation mechanism - Google Patents
Unmanned helicopter engine shock attenuation installation mechanism Download PDFInfo
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- CN219790524U CN219790524U CN202321033225.8U CN202321033225U CN219790524U CN 219790524 U CN219790524 U CN 219790524U CN 202321033225 U CN202321033225 U CN 202321033225U CN 219790524 U CN219790524 U CN 219790524U
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- engine
- frame
- unmanned helicopter
- beam support
- hanger
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- 230000035939 shock Effects 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 title claims description 9
- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 238000013016 damping Methods 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model is suitable for the unmanned helicopter engine fixing technology, and provides an unmanned helicopter engine damping mounting mechanism, which is applied between a machine body and an engine of an unmanned helicopter, and comprises the following components: a frame fixedly connected with the machine body; a hanger fixed to the frame; a plurality of groups of beam support structures fixed on the frame; a hanger plate fixing structure arranged on the hanger; the hanging frame is elastically connected with a plurality of groups of engine cross beams arranged on the engine through a cross beam supporting structure. According to the connection between the beam supporting structure and the engine beam, the leveling operation of the engine is realized by adjusting the shock absorber, and meanwhile, the engine is hoisted by depending on the hanging plate fixing structure, so that the shock absorber in the beam supporting structure is prevented from being mechanically tired too early.
Description
Technical Field
The utility model belongs to the technical field of unmanned helicopter engine fixing, and particularly relates to a shock absorption mounting mechanism for an unmanned helicopter engine.
Background
The vibration damping device for the engine of the unmanned helicopter is a part which is used for fixedly connecting the engine and blocking the vibration of the engine on the helicopter and is transmitted to the helicopter frame, and has the main functions of blocking the vibration of the engine from being transmitted to the helicopter frame, reducing the damage fatigue of the part of the body of the unmanned helicopter caused by severe vibration and even the loosening and falling of a connecting piece, ensuring the stable and stable flight of the body of the unmanned helicopter, having strong operability, preventing the body from being disassembled due to the resonance of the body, and the like.
The unmanned helicopter engine damping mounting mechanism is generally provided with a seat-mounted damping mechanism or a hoisting damping mechanism, the damping part of the seat-mounted damping mechanism is longitudinally and permanently in a compressed state, mechanical fatigue is easy to generate, and the hoisting damping mechanism cannot be conveniently leveled.
Disclosure of Invention
The utility model provides a shock absorption installation mechanism of an unmanned helicopter engine, and aims to solve the problems that the existing seat shock absorption mechanism cannot solve the mechanical fatigue of a part and the lifting shock absorption mechanism cannot be conveniently leveled.
The utility model is realized in such a way that an unmanned helicopter engine damping mounting mechanism is applied between a machine body and an engine of an unmanned helicopter, and comprises:
a frame fixedly connected with the machine body;
a hanger fixed to the frame;
a plurality of groups of beam support structures fixed on the frame;
a hanger plate fixing structure arranged on the hanger;
the hanging frame is elastically connected with a plurality of groups of engine cross beams arranged on the engine through a cross beam supporting structure.
Preferably, the hanger comprises a rear diagonal brace, an upper cross brace and a front diagonal brace, wherein the upper cross brace is connected between the rear diagonal brace and the front diagonal brace, and the tail ends of the rear diagonal brace and the front diagonal brace are connected to the frame through bolts.
Preferably, the hanger plate fixing structure includes:
the fixing frame is fixedly connected with the upper transverse support;
the power rubber sleeve is assembled between the fixing frame and the engine hanging plate;
a bolt is plugged and beaten between the fixing frame and the engine hanging plate;
the plug bolt penetrates through the fixing frame, the power rubber sleeve and the engine hanging plate, and is matched with the locknut arranged on one side far away from the fixing frame to connect the engine hanging plate to the fixing frame.
Preferably, the beam support structure is connected between the frame and the engine beam, and the beam support structure comprises:
the beam support is fixedly connected with the frame;
the shock absorber is assembled between the beam support and the engine beam;
the beam support is connected with the frame through a fixing bolt, and the beam support is connected with the engine beam through an adjusting bolt.
Preferably, the shock absorber is nested and assembled on the adjusting bolt, and the upper end face and the lower end face of the shock absorber are respectively connected with the beam support in a contact manner and the frame.
Preferably, the beam support comprises an open slot component clamped with the frame and a flat plate component, and the flat plate component is positioned at one end of the beam support far away from the frame;
preferably, the open slot component is clamped with the frame, and the fixing bolt penetrates through the beam support and the frame;
preferably, the adjusting bolts sequentially penetrate through the engine cross beam and screw holes arranged on the cross beam support to be assembled.
Preferably, the shock absorber is a VV type circular rubber shock absorber.
Compared with the prior art, the embodiment of the utility model has the following main beneficial effects:
1. the vibration-absorbing installation mechanism of the unmanned helicopter engine provided by the utility model is connected with the engine hanging plate through the hanging plate fixing structure, so that vibration is transmitted to the power rubber sleeve, and vibration impact of the engine on the engine body is effectively reduced; the engine body stability is provided, the influence on the engine body during the operation of the engine is reduced, the bearing pressure of the shock absorber is relieved through the hanging plate fixing structure, and the shock absorber is prevented from being in a compressed state for a long time.
2. According to the shock absorption mounting mechanism for the unmanned helicopter engine, provided by the utility model, through the connection of the engine beam and the beam support, the leveling operation of the engine is realized by adjusting the shock absorber, and the engine is hoisted by depending on the hanging plate fixing structure, so that the early occurrence of mechanical fatigue of the shock absorber is avoided.
3. In the shock absorption installation mechanism of the unmanned helicopter engine, the power rubber sleeve is arranged parallel to the bottom surface of the engine to absorb the shock in the vertical direction of the engine, and the shock absorber is arranged perpendicular to the bottom surface of the engine to effectively absorb the shock in the vertical direction of the engine.
Drawings
Fig. 1 is a schematic structural view of a shock absorbing installation mechanism of an unmanned helicopter engine.
Fig. 2 is a partial enlarged view of a part I of a shock absorption installation mechanism of an unmanned helicopter engine.
Fig. 3 is a partial enlarged view of a part II of a shock absorption installation mechanism of an unmanned helicopter engine.
Fig. 4 is a schematic structural view of a middle cross beam support structure of an unmanned helicopter engine shock absorbing mounting mechanism provided by the utility model.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The embodiment of the utility model provides a shock absorption mounting mechanism of an engine of an unmanned helicopter, as shown in fig. 1-4, which is applied between an engine 3 and a machine body of the unmanned helicopter and comprises the following components:
a frame 1 fixedly connected with the machine body;
a hanger fixed to the frame 1;
a plurality of groups of beam support structures 4 fixed on the frame 1;
a hanger plate fixing structure 5 provided on the hanger;
the lifting frame is elastically connected with the engine 3 through a lifting plate fixing structure 5, and the frame 1 is elastically connected with the engine 3 through a beam supporting structure 4; the unmanned helicopter engine damping mounting mechanism is connected inside the unmanned helicopter body, and energy generated by vibration generated by the engine 3 in the operation process is absorbed by the beam supporting structure 4 and the hanger plate fixing structure 5 which are connected between the engine 3 and the unmanned helicopter engine damping mounting mechanism, so that the influence of the engine 3 on the unmanned helicopter body is fully reduced;
in this embodiment, the engine 3 and the machine body of the unmanned helicopter are all devices in the prior art, the bottom of the engine 3 is provided with a plurality of groups of engine beams 32, the end face of the engine 3 is provided with an engine hanger plate 31, the engine beams 32 and the engine hanger plate 31 are all accessory device structures of the engine, and the machine body and the frame 1 can be fixedly connected by adopting a bolt structure;
in this embodiment, the hanger includes a rear diagonal brace 21, an upper diagonal brace 22 and a front diagonal brace 23, the upper diagonal brace 22 is connected between the rear diagonal brace 21 and the front diagonal brace 23, the ends of the rear diagonal brace 21 and the front diagonal brace 23 are connected to the frame 1 through bolts, and the rear diagonal brace 21, the upper diagonal brace 22 and the front diagonal brace 23 cooperate with the frame 1 to form a trapezoid structure, so as to provide effective structural support for the engine 3 elastically connected to the hanger;
in a further preferred embodiment of the present utility model, the hanger plate fixing structure 5 is disposed under the upper cross-brace 22, and the hanger plate fixing structure 5 includes:
a fixing frame 51 fixedly connected with the upper cross-brace 22;
a power rubber sleeve 52 fitted between the fixing frame 51 and the engine hanger plate 31;
a plugging bolt 54 connecting the fixing frame 51 and the engine hanger plate 31;
wherein, the plugging bolts 54 penetrate through screw holes provided on the fixing frame 51, the power rubber sleeve 52 and the engine hanging plate 31, and are matched with the locknut 53 arranged on one side far away from the fixing frame 51 to complete the connection between the fixing frame 51 and the engine hanging plate 31, and the power rubber sleeve 52 assembled between the fixing frame 51 and the engine hanging plate 31 effectively absorbs the vibration generated by the engine hanging plate 31;
in this embodiment, the power rubber sleeve 52, the locknut 53 and the plugging bolt 54 are adopted in the prior art, the engine hanger plate 31 transmits the vibration of the engine 3, the engine hanger plate 31 belongs to the prior art equipment, and the vibration is transmitted to the power rubber sleeve 52 by using the connection between the fixing frame 51 and the engine hanger plate 31, so that the vibration impact of the engine 3 to the engine body is effectively reduced; providing body stability and reducing the influence on the body when the engine 3 is operated; the power rubber sleeve 52 is arranged parallel to the bottom surface of the engine 3 and absorbs vibration of the engine 3 in the vertical direction; the bearing pressure of the beam support structure 4 is relieved through the hanger plate fixing structure, and the beam support structure 4 is prevented from being in a compressed state for a long time;
a flat washer 55 is arranged at the joint of the locknut 53 and the plugging bolt 54; the sliding of the locknut 53 and the plugging bolt 54 is reduced, and the falling off between the fixing frame 51 and the engine hanging plate 31 is avoided;
as a preferred implementation in this example, the beam support structure 4 connected between the frame 1 and the engine beam 32 comprises:
a beam support 41 fixedly connected to the frame 1;
a damper 42 fitted between the beam mount 41 and the engine beam 32;
the beam support 41 is connected with the frame 1 through a fixing bolt 43, the beam support 41 is connected with the engine beam 32 through an adjusting bolt 44, the shock absorber 42 is nested and assembled on the adjusting bolt 44, and the upper end face and the lower end face of the shock absorber 42 are respectively connected with the beam support 41 and the frame 1 in a contact way;
in this embodiment, the connection portion between the beam support 41 and the frame 1 is an open slot structure, the beam support 41 is clamped above the frame 1, and the fixing bolt 43 is installed in a through screw hole provided on the frame 1 to complete connection between the beam support 41 and the frame 1; the part of the beam support 41, which is far away from the frame 1, is a flat plate mechanism, the adjusting bolts 44 sequentially penetrate through screw holes formed in the engine beam 32, the shock absorber 42 and the beam support 41 to finish the connection of the engine beam 32 and the beam support 41, the shock absorber 42 acts to absorb the shock generated by the engine beam 32, the shock is prevented from being transmitted to the beam support 41, the stability of the frame 1 is improved, the shock is prevented from being transmitted to a machine body, and the influence on the machine body during the operation of the engine 3 is reduced to the greatest extent; the shock absorber 42 is arranged perpendicular to the bottom surface of the engine 3, and effectively absorbs the shock of the engine 3 in the vertical direction; the leveling operation of the engine 3 is realized by adjusting the damper 42 through the adjusting bolt 44, and the engine 3 is hoisted by the hanging plate fixing structure, so that the premature occurrence of mechanical fatigue of the damper 42 is avoided;
as a preferred implementation manner in this embodiment, the damper 42 is a VV type circular rubber damper;
in this embodiment, the VV-type circular rubber damper is a prior art, and can effectively absorb vibration in the vertical direction;
in a further preferred embodiment of the present utility model, a bevel support is provided between the open slot structure portion and the flat plate structure portion of the beam support 41, and the flat plate structure is supported by the bevel support; providing support force for the engine cross beam 32 mounted on the cross beam mount 41;
it should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.
Claims (9)
1. The utility model provides an unmanned helicopter engine shock attenuation installation mechanism, is applied to between unmanned helicopter's organism and the engine, its characterized in that includes:
a frame fixedly connected with the machine body;
a hanger fixed to the frame;
a plurality of groups of beam support structures fixed on the frame;
a hanger plate fixing structure arranged on the hanger;
the hanging frame is elastically connected with a plurality of groups of engine cross beams arranged on the engine through a cross beam supporting structure.
2. An unmanned helicopter engine shock absorbing mounting mechanism as claimed in claim 1 wherein said hanger comprises a rear diagonal brace, an upper cross brace and a front diagonal brace, said upper cross brace being connected between said rear diagonal brace and said front diagonal brace, the ends of said rear and front diagonal braces being bolted to said frame.
3. An unmanned helicopter engine shock absorbing mounting mechanism as claimed in claim 2 wherein said hanger plate securing structure comprises:
the fixing frame is fixedly connected with the upper transverse support;
the power rubber sleeve is assembled between the fixing frame and the engine hanging plate;
a bolt is plugged and beaten between the fixing frame and the engine hanging plate;
the plug bolt penetrates through the fixing frame, the power rubber sleeve and the engine hanging plate, and is matched with the locknut arranged on one side far away from the fixing frame to connect the engine hanging plate to the fixing frame.
4. An unmanned helicopter engine shock absorbing mounting mechanism as claimed in claim 3 wherein said beam support structure is connected between the frame and the engine beam, the beam support structure comprising:
the beam support is fixedly connected with the frame;
the shock absorber is assembled between the beam support and the engine beam;
the beam support is connected with the frame through a fixing bolt, and the beam support is connected with the engine beam through an adjusting bolt.
5. The shock absorption mounting mechanism for the unmanned helicopter engine according to claim 4, wherein the shock absorber is nested and assembled on the adjusting bolt, and the upper end face and the lower end face of the shock absorber are respectively in contact connection with the beam support and the frame.
6. An unmanned helicopter engine vibration dampening mounting mechanism as claimed in claim 5 wherein said beam mount includes an open slot member engaged with the frame and a planar member located at an end of the beam mount remote from the frame.
7. An unmanned helicopter engine vibration absorbing mounting mechanism as claimed in claim 6 wherein said open slot member is snap-fitted to the frame and said fixing bolts extend through the beam mount and frame assembly.
8. The unmanned helicopter engine vibration damping mounting mechanism of claim 7, wherein the adjusting bolts sequentially penetrate through screw holes provided on the engine cross beam and the cross beam support.
9. The unmanned helicopter engine mount of claim 8, wherein the shock absorber is a VV type circular rubber shock absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033225.8U CN219790524U (en) | 2023-05-04 | 2023-05-04 | Unmanned helicopter engine shock attenuation installation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033225.8U CN219790524U (en) | 2023-05-04 | 2023-05-04 | Unmanned helicopter engine shock attenuation installation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219790524U true CN219790524U (en) | 2023-10-03 |
Family
ID=88175479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321033225.8U Active CN219790524U (en) | 2023-05-04 | 2023-05-04 | Unmanned helicopter engine shock attenuation installation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219790524U (en) |
-
2023
- 2023-05-04 CN CN202321033225.8U patent/CN219790524U/en active Active
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