CN217100471U - Air-drop buffer device - Google Patents
Air-drop buffer device Download PDFInfo
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- CN217100471U CN217100471U CN202220261515.7U CN202220261515U CN217100471U CN 217100471 U CN217100471 U CN 217100471U CN 202220261515 U CN202220261515 U CN 202220261515U CN 217100471 U CN217100471 U CN 217100471U
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Abstract
The utility model discloses an air-drop buffer relates to air-drop equipment technical field, has improved among the related art air-drop equipment and has had technical problem with high costs and that technical requirement is high in the aspect of the buffering. The utility model discloses a parachute, including chassis, support frame, energy-absorbing piece and elastic component, the support frame is located the chassis top, be fixed with on the support frame and remain the air-drop target, a plurality of montants respectively with chassis and support frame fixed connection, the montant is equipped with the mounting hole of connecting the parachute, the elastic component is fixed in between chassis and the support frame, the energy-absorbing piece sets up with the elastic component interval, the energy-absorbing piece is configured to through plastic deformation absorption impact kinetic energy. The energy-absorbing part and the elastic part play a role in buffering, the energy-absorbing part is subjected to plastic deformation under the action of large impact load to absorb most impact kinetic energy, the elastic part plays a large role in shock absorption, the elastic part can bounce a target in a small range after resetting, the structural damage or even failure caused by the impact kinetic energy when the elastic part lands on the ground is greatly reduced, and the integral structure is simple and is convenient to manufacture, assemble and use.
Description
Technical Field
The utility model relates to an air-drop equipment technical field especially relates to an air-drop buffer.
Background
Air-drop armored vehicles are currently being valued by various countries because of their excellent maneuverability. At the moment of air-drop landing of the air-drop armored vehicle, the impact action may damage the vehicle body structure and even the internal core components to a certain extent, and the fighting capacity is influenced and even lost. The currently adopted air bag buffering and rocket buffering methods have higher requirements on cost and technology.
SUMMERY OF THE UTILITY MODEL
The application provides an air-drop buffer device, has improved among the related art air-drop equipment and has had the technical problem that with high costs and technical requirement are high in the aspect of the buffering.
The application provides an air-drop buffer, including the chassis, the support frame, a plurality of montants, elastic component and energy-absorbing piece, the chassis top is located to the support frame, it remains the air-drop target to fix on the support frame, a plurality of montants respectively with chassis and support frame fixed connection, the montant is equipped with the mounting hole of connecting the parachute, the elastic component is fixed in between chassis and the support frame, the energy-absorbing piece is fixed in between chassis and the support frame, energy-absorbing piece and elastic component interval set up, the energy-absorbing piece is configured to and strikes kinetic energy through plastic deformation absorption.
Optionally, the energy absorbing member is disposed in a cylindrical wall, and the energy absorbing member is disposed in a concave ring at least one position of the cylindrical wall, and the concave ring is disposed along a circumferential direction of the cylindrical wall.
Optionally, the energy absorbing member comprises an aluminum alloy or foamed aluminum material.
Optionally, the support frame comprises longitudinal beams on two sides and torsion-resistant beams, the torsion-resistant beams are transversely arranged compared with the longitudinal beams, and two ends of each torsion-resistant beam are fixedly connected with the longitudinal beams on the two sides respectively;
the elastic piece and the energy absorbing piece are respectively arranged between the longitudinal beam and the underframe.
Optionally, the torsion beam comprises load bearing portions on both sides in the length direction, a torsion portion in the middle of the two load bearing portions, and a smooth transition connection between the load bearing portions and the torsion portion.
Optionally, the bearing part, the smooth transition connecting part and the torsion resisting part are all arranged in a U shape and comprise outer walls and inner walls, and the shapes of the outer walls of the bearing part, the outer walls of the smooth transition connecting part and the outer walls of the torsion resisting part are consistent;
at the symmetrical position of the U shape, the distance between the outer wall and the inner wall of the bearing part, the distance between the outer wall and the inner wall of the smooth transition connecting part and the distance between the outer wall and the inner wall of the torsion-resistant part are reduced in sequence.
Optionally, the torsion beam is stamped and formed from a steel structure.
Optionally, the target to be aerial-dropped comprises an aerial-dropping armored car.
Optionally, the upper surface of the support frame is provided with a limiting protrusion to limit the wheel of the air-drop armored vehicle.
Optionally, the air-drop buffer device is further provided with an auxiliary downhill plate, one end of the auxiliary downhill plate is fixed to the underframe, the other end of the auxiliary downhill plate is fixed to the support frame, and the surface of the auxiliary downhill plate is obliquely arranged.
The beneficial effect of this application is as follows: the utility model provides an air-drop buffer, treat that the air-drop target settles on the support frame, a plurality of montants of support frame fixed connection, the montant is equipped with the parachute through the mounting hole, play the deceleration effect, be equipped with the chassis below the support frame, the chassis passes through the montant and is fixed with the support frame, be equipped with energy-absorbing piece and elastic component between chassis and the support frame, when treating that the air-drop target lands, energy-absorbing piece and elastic component play the cushioning effect, energy-absorbing piece takes place plastic deformation under big impact load effect, absorb most impact kinetic energy, the elastic component plays great cushioning effect, can also bounce the target by a small margin after the elastic component resets, the target of being convenient for moves down from air-drop buffer, the structural damage that leads to because of impact kinetic energy when the device can reduce to a great extent lands or even became invalid, overall structure is simple, and is convenient for manufacturing, assembly and use.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic overall structure diagram of an airdrop buffer device provided in the present application;
fig. 2 is a schematic structural diagram of the torsion beam in fig. 1;
FIG. 3 is a front view of the torsion beam of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 taken along line A-A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B-B;
FIG. 6 is an enlarged view of a portion of FIG. 3 at C-C;
FIG. 7 is a schematic illustration of a particular construction of the energy absorbing member of FIG. 1;
fig. 8 is a schematic structural view of a longitudinal beam of the support frame in fig. 1.
The attached drawings are marked as follows: 100-underframe, 200-support frame, 210-target to be airdropped, 220-longitudinal beam, 221-limit bulge, 222-mounting seat, 230-torsion-resistant beam, 231-bearing part, 232-smooth transition connecting part, 233-torsion-resistant part, 2301-outer wall, 2302-inner wall, 300-vertical rod, 310-mounting hole, 400-elastic part, 500-energy absorbing part, 510-cylinder wall, 520-concave ring and 600-auxiliary downhill plate.
Detailed Description
The embodiment of the application provides an air-drop buffering device, and the technical problems that in the related art, air-drop equipment is high in cost and high in technical requirement in the buffering aspect are solved.
In order to solve the technical problems, the general idea of the embodiment of the present application is as follows:
the utility model provides an air-drop buffer, including the chassis, the support frame, a plurality of montants, elastic component and energy-absorbing piece, the chassis top is located to the support frame, it remains the air-drop target to be fixed on the support frame, a plurality of montants respectively with chassis and support frame fixed connection, the montant is equipped with the mounting hole of connecting the parachute, the elastic component is fixed in between chassis and the support frame, the energy-absorbing piece is fixed in between chassis and the support frame, energy-absorbing piece and elastic component interval set up, the energy-absorbing piece is configured to through plastic deformation absorption impact kinetic energy.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 8, the present embodiment provides an air-drop buffering device, including an underframe 100, a supporting frame 200, a plurality of vertical bars 300, an elastic member 400 and an energy-absorbing member 500, where the supporting frame 200 is disposed above the underframe 100, a target 210 to be air-dropped is fixed on the supporting frame 200, the plurality of vertical bars 300 are respectively and fixedly connected to the underframe 100 and the supporting frame 200, the vertical bars 300 are provided with mounting holes 310 for connecting a parachute, the elastic member 400 is fixed between the underframe 100 and the supporting frame 200, the energy-absorbing member 500 is spaced from the elastic member 400, and the energy-absorbing member 500 is configured to absorb impact energy through plastic deformation.
The target 210 to be airdropped is placed on the support 200, the support 200 is fixedly connected with a plurality of vertical bars 300, and fig. 1 shows four vertical bars 300 at four corners of the support 200. The vertical rod 300 is equipped with a parachute through the mounting hole 310, and performs a deceleration function at the time of air drop. The underframe 100 is arranged below the support frame 200, the underframe 100 is fixed with the support frame 200 through the vertical rods 300, the energy absorbing piece 500 and the elastic piece 400 are arranged between the underframe 100 and the support frame 200, and when the target 210 to be airdropped lands, the energy absorbing piece 500 and the elastic piece 400 play a role in buffering.
The energy absorbing part 500 is plastically deformed under the action of large impact load to absorb most impact kinetic energy, the elastic part 400 plays a large damping role, the elastic part 400 can bounce the target in a small range after resetting, the target is convenient to move down from the air-drop buffer device, the structural damage or even failure caused by the impact kinetic energy when the device lands on the ground can be greatly reduced, the whole structure is simple, and the manufacturing, the assembly and the use are convenient.
The air-drop buffering device provided by the embodiment can be used for air-drop of an armored vehicle. When the object to be aerial-dropped 210 exists as an aerial-dropping armored vehicle-like vehicle, optionally, as shown in fig. 1 and 8, the upper surface of the support frame 200 is provided with a limit protrusion 221 to limit the wheels of the aerial-dropping armored vehicle. In other embodiments, the aerial delivery buffering device may additionally secure the vehicle.
Optionally, as shown in fig. 1, the air-drop buffer device is further provided with an auxiliary down-slope plate 600, one end of the auxiliary down-slope plate 600 is fixed to the underframe 100, the other end of the auxiliary down-slope plate is fixed to the support frame 200, and the plate surface of the auxiliary down-slope plate 600 is inclined so as to dismount the vehicle along the auxiliary down-slope plate 600 after landing is completed. Optionally, the auxiliary falling board 600 is welded to the base, and the auxiliary falling board 600 is hinged to the supporting frame 200 by a hinge and a pin.
Alternatively, the elastic member 400 may be provided in the form of a spring. Wherein, the spring is selected to meet the requirements of high strength, good performance and suitability for materials with higher load, such as 60Si2MnA, 65SiMnWA and 70Si2MnA, and the spring stiffness is properly selected in consideration of factors such as the actual weight and landing speed of the target 210 to be airdropped and the like.
Alternatively, as shown in FIG. 7, the energy absorbing member 500 is disposed in a cylindrical wall 510, the energy absorbing member 500 is disposed in a recessed ring 520 at least one location of the cylindrical wall 510, and three recessed rings 520 are disposed in the circumferential direction of the cylindrical wall 510 as shown in FIG. 7. The optional type of the cylinder wall 510 is a cylinder thin wall, and an arc opening is formed through the concave ring 520 as shown in the right side of fig. 7, so that plastic deformation is easy to occur under the action of large impact, and the energy absorption effect is achieved.
Alternatively, the energy absorbing member 500 may be made of an aluminum alloy or a foamed aluminum material, which is preferable.
Alternatively, as shown in fig. 1, the support frame 200 includes longitudinal beams 220 on both sides and a torsion beam 230, the torsion beam 230 is disposed in a transverse direction compared to the longitudinal beams 220, both ends of the torsion beam 230 are fixedly connected to the longitudinal beams 220 on both sides, respectively, and the elastic member 400 and the energy absorbing member 500 are disposed between the longitudinal beams 220 and the underframe 100, respectively. By arranging the torsion-resistant beam 230, the device has good torsion resistance and good bearing capacity, particularly when the object 210 to be airdropped, such as an armored vehicle, is firstly grounded, the vehicle can generate large left-right torsion, and the torsion-resistant beam 230 structure can increase the roll stiffness of the armored vehicle, reduce structural damage and even failure caused by torsional deformation of the vehicle.
Alternatively, as shown in fig. 2, the torsion beam 230 includes bearing portions 231 at both sides in the length direction, a torsion portion 233 at the middle of the two bearing portions 231, and a smooth transition connection 232 between the bearing portions 231 and the torsion portion 233. The load-bearing parts 231 at both ends have a large torsional section coefficient, which can improve the load-bearing capacity of the torsion beam 230. The torsion resistant portion 233 located at the right middle has high structural rigidity and strong torsion resistance. The smooth transition connecting portion 232 realizes smooth transition between the bearing portions 231 at the two ends and the middle torsion resisting portion 233, and reduces stress concentration.
Alternatively, as shown in fig. 2 to 6, the bearing portion 231, the smooth transition connecting portion 232 and the torsion portion 233 are all disposed in a U shape, and each include an outer wall 2301 and an inner wall 2302, and the outer wall 2301 of the bearing portion 231, the outer wall 2301 of the smooth transition connecting portion 232 and the outer wall 2301 of the torsion portion 233 are in the same shape. In the symmetry of the U-shape, the distance between the outer wall 2301 of the bearing portion 231 and the inner wall 2302, the distance between the outer wall 2301 of the smooth transition connecting portion 232 and the inner wall 2302, and the distance between the outer wall 2301 of the torsion portion 233 and the inner wall 2302 decrease in sequence. The torsion-resistant part 233 in the middle adopts a structure that the inner wall 2302 is jointed with the outer wall 2301, so that the structure has higher rigidity and the torsion resistance is improved.
Alternatively, the torsion beam 230 is stamped and formed from a steel structure, such as a tubular high strength steel structure.
As shown in fig. 8, the lower side of the supporting frame 200 is provided with a mounting seat 222, the mounting seat 222 may be in the form of a groove, and the upper side of the chassis 100 is also provided with a mounting seat 222 for mounting the top end and the bottom end of the elastic member 400 and the energy absorbing member 500, respectively.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An aerial delivery buffering device, comprising:
a chassis;
the supporting frame is arranged above the underframe, and a target to be airdropped is fixed on the supporting frame;
the vertical rods are respectively fixedly connected with the bottom frame and the supporting frame and are provided with mounting holes for connecting the parachute;
the elastic piece is fixed between the underframe and the support frame; and
and the energy absorbing piece is fixed between the underframe and the support frame, is arranged at an interval with the elastic piece, and is configured to absorb impact kinetic energy through plastic deformation.
2. An airdrop buffer according to claim 1, wherein the energy absorbing member is provided in the form of a cylindrical wall, and the energy absorbing member is provided in the form of a recessed ring at least one location on the cylindrical wall, the recessed ring being provided along the circumferential direction of the cylindrical wall.
3. An aerial delivery buffering device as claimed in claim 2, wherein the energy absorbing member comprises an aluminium alloy or foamed aluminium material.
4. The aerial delivery buffering device of claim 1, wherein the supporting frame comprises longitudinal beams on two sides and torsion resistant beams, the torsion resistant beams are arranged along the transverse direction compared with the longitudinal beams, and two ends of the torsion resistant beams are fixedly connected with the longitudinal beams on two sides respectively;
the elastic piece and the energy absorbing piece are respectively arranged between the longitudinal beam and the underframe.
5. The aerial delivery buffering device of claim 4, wherein the torsion beam comprises load bearing portions on both sides of the length, a torsion portion intermediate the two load bearing portions, and a smooth transition connection between the load bearing portions and the torsion portion.
6. The aerial delivery buffering device of claim 5, wherein the load-bearing portion, the smooth-transition connecting portion, and the torsion portion are each U-shaped, each comprising an outer wall and an inner wall, the outer wall of the load-bearing portion, the outer wall of the smooth-transition connecting portion, and the outer wall of the torsion portion being of uniform shape;
and at the symmetrical position of the U shape, the distance between the outer wall and the inner wall of the bearing part, the distance between the outer wall and the inner wall of the smooth transition connecting part and the distance between the outer wall and the inner wall of the torsion-resistant part are sequentially reduced.
7. The aerial delivery buffering device of any of claims 4-6, wherein the torsion beam is stamped and formed from a steel structure.
8. The aerial delivery buffering device of any one of claims 1-6, wherein the target to be aerial delivered comprises an aerial delivery armored car.
9. An airdrop damping device according to claim 8, wherein the support frame is provided with a retaining projection on its upper surface to retain a wheel of the airdrop armoured vehicle.
10. An air-drop buffer device according to claim 8, wherein an auxiliary down-slope plate is further provided, one end of the auxiliary down-slope plate is fixed to the underframe, the other end of the auxiliary down-slope plate is fixed to the support frame, and the plate surface of the auxiliary down-slope plate is inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220261515.7U CN217100471U (en) | 2022-02-09 | 2022-02-09 | Air-drop buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220261515.7U CN217100471U (en) | 2022-02-09 | 2022-02-09 | Air-drop buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217100471U true CN217100471U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220261515.7U Active CN217100471U (en) | 2022-02-09 | 2022-02-09 | Air-drop buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217100471U (en) |
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- 2022-02-09 CN CN202220261515.7U patent/CN217100471U/en active Active
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