CN114109112B - Three-dimensional stackable self-locking type curved wall corrugated energy absorption device - Google Patents
Three-dimensional stackable self-locking type curved wall corrugated energy absorption device Download PDFInfo
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- CN114109112B CN114109112B CN202111399291.2A CN202111399291A CN114109112B CN 114109112 B CN114109112 B CN 114109112B CN 202111399291 A CN202111399291 A CN 202111399291A CN 114109112 B CN114109112 B CN 114109112B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
- E04H9/10—Independent shelters; Arrangement of independent splinter-proof walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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Abstract
The invention relates to the field of emergency buffering energy-absorbing protection devices, in particular to a three-dimensional stackable self-locking curved-wall corrugated energy-absorbing device, which solves the problems that the traditional explosion-proof device mainly comprises reinforced concrete, steel, brick-laying structures and the like, a complex installation process (welding, bolt connection and the like) is required in the actual use process, a large amount of labor and time are consumed, and the emergency response speed is reduced; the curved wall corrugated unit comprises at least two curved wall pipelines and at least one connecting thin plate, the two curved wall pipelines of the box girder are connected through the at least one connecting thin plate, and the buffer units are mutually nested and constrained and tightly locked, so that the mechanical connection mode is greatly simplified, the assembly time is reduced, and the maneuverability of the explosion-proof device is improved.
Description
Technical Field
The invention relates to the field of emergency buffering energy-absorbing protection devices, relates to a three-dimensional stackable self-locking type curved-wall corrugated energy-absorbing device, and particularly relates to a self-locking type curved-wall corrugated energy-absorbing device capable of being assembled rapidly.
Background
Explosion attack is an important attack mode of international terrorism, accounts for about 70% of terrorist events, and the automobile bomb has extremely high concealment, rapidity and destructiveness and is a common technique for terrorists. Therefore, an efficient method for defending against vehicle collision explosion is provided: the emergency explosion-proof energy absorption device capable of being assembled rapidly blocks air shock waves, and the kinetic energy of an attacking vehicle and the energy of explosive explosion are absorbed by the deformation of materials of the device. The components of the traditional explosion-proof device are difficult to transport in a battlefield environment, medium-sized and large-sized machines are difficult to assist in assembling the anti-collision device, and the emergency response speed can be greatly reduced due to a complex mechanical connection mode. Therefore, the emergency energy absorption device not only needs to have excellent energy absorption capacity, but also needs to simplify a complicated mechanical connection mode and an installation process, and improves the carrying capacity of the explosion-proof device part and the rapid assembly capacity of the protective barrier.
The traditional explosion-proof device mainly comprises reinforced concrete, steel, brick-laying structures and the like, and a complex installation process (welding, bolt connection and the like) is needed in the actual use process, so that a large amount of manpower and time are consumed, and the emergency response speed is reduced.
Disclosure of Invention
The invention discloses the following purposes: the invention provides a three-dimensional stackable self-locking curved wall corrugated energy absorption device, aiming at solving the problems that the traditional explosion-proof device mainly comprises reinforced concrete, steel, brick-laying structures and the like, the actual use process needs complicated installation processes (welding, bolt connection and the like), a large amount of manpower and time are consumed, and the emergency response speed is reduced.
In order to achieve the purpose, the three-dimensional stackable self-locking type curved wall corrugated energy absorption device comprises a plurality of curved wall corrugated units, wherein the curved wall corrugated units are staggered to form a multi-row and multi-column combined structure, so that the self-locking effect of two adjacent rows of structures is achieved in the impact process;
the curved-wall corrugated unit comprises at least two curved-wall pipes and at least one connecting thin plate, and the two curved-wall pipes of the box girder are connected through the at least one connecting thin plate.
Furthermore, the three-dimensional stackable self-locking type curved wall corrugated energy absorption device is characterized in that the curved wall corrugated unit comprises three curved wall pipelines, the three curved wall pipelines are arranged in an array from left to right, and two adjacent curved wall pipelines are connected through a connecting thin plate.
Still further, the connecting thin plate is horizontally arranged in the middle of the two curved-wall pipelines.
Further, the upper end face and the lower end face of the curved-wall pipeline are arranged in parallel.
Still further, the connecting thin plate and the upper end face of the curved-wall pipeline are arranged in parallel.
Further, a three-dimensional stackable self-locking type curved-wall corrugated energy absorption device is characterized in that a curved-wall pipeline is distributed in a wavy mode along the length direction.
Still further, a three-dimensional stackable self-locking type curved wall corrugated energy absorption device, wherein the curved wall pipeline is distributed in a sine wave shape along the length direction.
Further, the cross section of the curved-wall pipeline is in a U shape with three end-to-end connection.
And furthermore, two ends of the curved wall corrugated unit are provided with connecting end plates.
Further, the shape of the connecting end plate is the same as that of the connecting thin plate, and the connecting end plate and the connecting thin plate are arranged in parallel along the same horizontal plane.
Has the beneficial effects that:
the invention provides a self-locking type curved-wall corrugated energy absorption device which can be assembled quickly in order to overcome the defects of the prior art. The energy absorption device is formed by alternately stacking the curved wall corrugated units, and the buffer unit not only has extremely high energy absorption efficiency, but also has self-locking capacity: even if an additional mechanical connection mode is not applied, the buffer units are nested and restrained with each other and are tightly locked, so that the mechanical connection mode is greatly simplified, the assembly time is reduced, and the maneuverability of the explosion-proof device is improved.
Compared with the traditional explosion-proof device, the technical scheme of the explosion-proof wall has the following advantages:
1. the preparation and forming process is simple and convenient, and the structural integrity is good.
2. Light weight and high energy absorption efficiency.
3. The space can be stacked in three dimensions, and the interior can be automatically locked without additional constraint.
4. Simplify loaded down with trivial details mechanical connection mode and installation process, improve the portable ability of blast wall part and the rapid assembly ability of protective barrier.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a three-dimensional stackable self-locking curved-wall corrugated energy absorber of the present invention;
FIG. 2 is a schematic view of a curved-wall corrugated unit of the present invention;
FIG. 3 is a front view of a curved-wall corrugated unit of the present invention;
FIG. 4 is a top view of a curved-wall corrugated unit of the present invention;
fig. 5 is a stacking flow diagram of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
For the convenience of understanding the embodiments of the present invention, the following description will be further explained by taking several specific embodiments as examples in conjunction with the drawings, and the embodiments are not to be construed as limiting the embodiments of the present invention.
The first embodiment is as follows: a three-dimensional stackable self-locking curved wall corrugated energy absorption device comprises a plurality of curved wall corrugated units and a plurality of curved wall corrugated units which are staggered to form a multi-row and multi-column combined structure, so that the self-locking effect of two adjacent rows of structures in the impact process is achieved;
the curved-wall corrugated unit comprises at least two curved-wall pipes 1 and at least one connecting thin plate 2, wherein the two curved-wall pipes 1 of the box girder are connected through the at least one connecting thin plate 2.
In the present embodiment: firstly, the self-locking buffer layer is transversely arranged and then longitudinally stacked, two adjacent layers of 'bricking' type are staggered and stacked, two transversely adjacent units are ensured to be locked by the unit positioned above, and the self-locking buffer layer is stacked layer by layer according to the rule to obtain a complete self-locking buffer layer.
The second embodiment is as follows: a three-dimensional stackable self-locking type curved-wall corrugated energy absorption device is characterized in that a curved-wall corrugated unit comprises three curved-wall pipelines 1, the three curved-wall pipelines 1 are arranged in an array from left to right, and two adjacent curved-wall pipelines 1 are connected through a connecting thin plate 2.
Other embodiments are the same as the first embodiment.
The third concrete implementation mode: a three-dimensional stackable self-locking type curved wall corrugated energy absorption device is characterized in that a connecting thin plate 2 is horizontally arranged in the middle of two curved wall pipelines 1.
Other embodiments are the same as the first embodiment.
The fourth concrete implementation mode: a three-dimensional stackable self-locking type curved wall corrugated energy absorption device is characterized in that the upper end surface and the lower end surface of a curved wall pipeline 1 are arranged in parallel.
Other embodiments are the same as the first embodiment.
The fifth concrete implementation mode: a three-dimensional stackable self-locking type curved wall corrugated energy absorption device is characterized in that a connecting thin plate 2 is arranged in parallel with the upper end face of a curved wall pipeline 1.
Other embodiments are the same as the first embodiment.
The sixth specific implementation mode is as follows: a three-dimensional stackable self-locking type curved wall corrugated energy absorption device is characterized in that a curved wall pipeline 1 is distributed in a wave shape along the length direction.
Other embodiments are the same as the first embodiment.
The seventh embodiment: a three-dimensional stackable self-locking type curved wall corrugated energy absorption device is characterized in that a curved wall pipeline 1 is distributed in a sine wave shape along the length direction.
The other embodiments are the same as the sixth embodiment.
The specific implementation mode is eight: a three-dimensional stackable self-locking type curved wall corrugated energy absorption device is characterized in that the cross section of a curved wall pipeline 1 is in a U shape with three ends connected.
The other embodiments are the same as the sixth embodiment.
The specific implementation method nine: a three-dimensional stackable self-locking type curved wall corrugated energy absorption device is characterized in that two ends of a curved wall corrugated unit are respectively provided with a connecting end plate 3.
Other embodiments are the same as the first embodiment.
The detailed implementation mode is ten: the shape of the connecting end plate 3 is the same as that of the connecting thin plate 2, and the connecting end plate 3 and the connecting thin plate 2 are arranged in parallel along the same horizontal plane.
The other embodiments are the same as the eighth embodiment.
The specific embodiments are described with reference to fig. 1 to 5:
a three-dimensional stackable self-locking curved wall corrugated energy absorption device comprises a plurality of curved wall corrugated units and a plurality of curved wall corrugated units which are staggered to form a multi-row and multi-column combined structure, so that the self-locking effect of two adjacent rows of structures in the impact process is achieved;
the curved-wall corrugated unit comprises at least two curved-wall pipes and at least one connecting thin plate, and the two curved-wall pipes of the box girder are connected through the at least one connecting thin plate.
The curved wall corrugated unit comprises three curved wall pipelines which are arranged in an array from left to right, and two adjacent curved wall pipelines are connected through a connecting thin plate.
The connecting thin plate is horizontally arranged in the middle of the two curved-wall pipelines.
The upper end face and the lower end face of the curved-wall pipeline are arranged in parallel.
The connecting thin plate is arranged in parallel with the upper end face of the curved-wall pipeline.
The section of the curved-wall pipeline is wavy. The cross section of the curved-wall pipeline is sine-wave-shaped.
The cross section of the curved-wall pipeline is in a V shape connected in three.
And connecting end plates are arranged at two ends of the curved wall corrugated unit.
The shape of the connecting end plate is the same as that of the connecting thin plate, and the connecting end plate and the connecting thin plate are arranged in parallel along the same horizontal plane.
The working principle is as follows:
the self-locking energy absorption system is formed by orderly arranging the curved wall corrugated units, and even if the self-locking units are not additionally constrained, the self-locking units can realize mutual self-locking in the impact process, so that the structural integrity is effectively kept, and the self-locking energy absorption system is not scattered. The self-locking unit has light weight, high energy absorption efficiency, small volume, convenient storage and transportation and outstanding carrying capacity. As additional constraint conditions are not required to be applied in the assembling process of the buffer layer, a complex mechanical connection mode is omitted, and the construction time of the protective barrier is greatly shortened. Under the design concept and criteria of the main body, self-locking units with different shapes and sizes can be designed, and the design is included in the protection scope of the technical scheme. The assembly process of the self-locking type curved-wall corrugated energy absorption device is as shown in the following figure, firstly, the self-locking type curved-wall corrugated energy absorption device is transversely arranged and then longitudinally stacked, two adjacent layers of units are staggered and stacked in a bricklaying mode, two transversely adjacent units are guaranteed to be locked by the unit located above the units, and the units are stacked layer by layer according to the rule to obtain a complete self-locking buffer layer. The assembling process of the self-locking buffer layer does not need to apply an additional mechanical connection mode, the stacking mode is simple and convenient, and the aim of quick response in an emergency state is fulfilled. The corrugated self-locking unit belongs to a thin shell structure, has light weight and good buffering performance, and can be prepared by adopting a high-strength and high-toughness metal material or an advanced fiber reinforced composite material. Under the main body design concept and criterion, the self-locking units of various material systems are all included in the protection scope of the technical scheme.
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 (5)
1. The utility model provides a three-dimensional stackable from locking type curved wall ripple energy-absorbing device which characterized in that: the impact self-locking device comprises a plurality of curved wall corrugated units, wherein the curved wall corrugated units are staggered to form a multi-row and multi-column combined structure, so that the adjacent two rows of structures achieve the self-locking effect in the impact process;
the curved-wall corrugated unit comprises at least two curved-wall pipelines (1) and at least one connecting thin plate (2), and the two adjacent curved-wall pipelines (1) are connected through the at least one connecting thin plate (2);
the curved-wall pipeline (1) is distributed in a wave shape along the length direction;
both ends of the curved wall corrugated unit are provided with connecting end plates (3);
the connecting thin plate (2) is horizontally arranged in the middle of the two curved-wall pipelines (1);
the upper end surface and the lower end surface of the curved-wall pipeline (1) are arranged in parallel;
the connecting thin plate (2) is arranged in parallel with the upper end face of the curved-wall pipeline (1).
2. The three-dimensional stackable self-locking type curved-wall corrugated energy absorbing device according to claim 1, wherein: the curved wall corrugated unit comprises three curved wall pipelines (1), the three curved wall pipelines (1) are arranged in an array from left to right, and two adjacent curved wall pipelines (1) are connected through a connecting thin plate (2).
3. The three-dimensional stackable self-locking type curved-wall corrugated energy absorbing device according to claim 1, wherein: the curved-wall pipeline (1) is distributed in a sine wave shape along the length direction.
4. A three-dimensional stackable self-locking curved-wall corrugated energy absorber device according to claim 3, wherein: the cross section of the curved-wall pipeline (1) is in a shape of three U which are connected end to end.
5. The three-dimensional stackable self-locking type curved-wall corrugated energy absorbing device according to claim 1, wherein: the shape of the connecting end plate (3) is the same as that of the connecting thin plate (2), and the connecting end plate (3) and the connecting thin plate (2) are arranged in parallel along the same horizontal plane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111399291.2A CN114109112B (en) | 2021-11-19 | 2021-11-19 | Three-dimensional stackable self-locking type curved wall corrugated energy absorption device |
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| CN202111399291.2A CN114109112B (en) | 2021-11-19 | 2021-11-19 | Three-dimensional stackable self-locking type curved wall corrugated energy absorption device |
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| CN114109112B true CN114109112B (en) | 2022-12-20 |
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| CN103398122B (en) * | 2013-08-05 | 2015-04-15 | 北京航空航天大学 | Easily-assembled self-locking energy-absorbing device of dumbbell-shaped thin-walled-tube structure |
| CN109322957B (en) * | 2018-11-01 | 2019-07-23 | 北京航空航天大学 | A kind of axial direction ripple honeycomb sandwich panels shock resistance energy absorption device |
| CN112900324A (en) * | 2021-03-26 | 2021-06-04 | 华侨大学 | Corrugated energy absorption structure |
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