CN107938560B - Energy consumption device and anti-collision facility - Google Patents
Energy consumption device and anti-collision facility Download PDFInfo
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- CN107938560B CN107938560B CN201711057930.0A CN201711057930A CN107938560B CN 107938560 B CN107938560 B CN 107938560B CN 201711057930 A CN201711057930 A CN 201711057930A CN 107938560 B CN107938560 B CN 107938560B
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- thin
- wall metal
- end plates
- energy consumption
- flexible sheath
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses an energy consumption device and an anti-collision facility, and relates to the technical field of building protection. The energy consumption device comprises: two end plates; the flexible sheath is a hollow cylindrical body with openings at two ends, and the openings at two ends of the flexible sheath are fixedly connected with the two end plates; the deformable component is provided with openings at two ends which are respectively abutted against the two end plates and comprises at least one thin-wall metal tapered tube with openings at two ends, and the thin-wall metal tapered tube is arranged in the inner cavity of the hollow cylindrical body; and the compressing assembly is arranged outside the flexible sheath, and two ends of the compressing assembly are fixedly connected with the two end plates and used for compressing the two end plates in opposite directions. According to the invention, the deformation mechanical property index of the thin-wall metal tapered tube can be obtained according to the structure of the thin-wall metal tapered tube, the quantity and the stacking sequence of the thin-wall metal tapered tubes in each energy consumption device are determined according to the energy absorption and energy consumption requirements of actual impact, and accurate and reliable energy absorption and energy consumption data can be obtained through structural design analysis, so that the accurate design and manufacture of the energy consumption device are realized.
Description
Technical Field
The invention relates to the technical field of building protection engineering, in particular to an energy consumption device and an anti-collision facility.
Background
With the rapid development of traffic in China, the number of roads and bridges is increasing, and the safety problems of buildings and bridges on both sides of the roads are highlighted, for example, accidents that vehicles collide with the buildings on both sides of the roads or on the bridges, and buildings (such as piers) near the navigation channels are likely to be damaged by ship collision.
Because the different parts of the building are impacted with different probabilities and the damaged areas caused by vehicles or ships with different tonnages are different, the existing anti-collision facilities can not be precisely customized and designed and manufactured according to the anti-collision requirements of different buildings. Taking the anti-collision facility of the pier as an example, the existing anti-collision facility of the pier comprises an inner steel ring and an outer steel ring which surround the pier, a large number of energy dissipation devices such as sealing air cushions or steel wire rings are arranged between the inner steel ring and the outer steel ring to absorb impact energy, and because each independent air cushion or steel wire ring has larger difference in the aspects of shape, structure, performance and the like, installation errors are easily generated in site construction, so that not only is the technical personnel difficult to obtain the local and integral reliable data of the anti-collision facility of energy absorption and energy dissipation through accurate structural design analysis, but also the modular design and manufacture cannot be effectively realized by using a single energy dissipation device, and the design, construction and maintenance work of the existing anti-collision facility of the pier is complex, and the construction.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an energy consumption device and an anti-collision facility, wherein the mechanical property index of deformation of the thin-wall metal tapered tube can be obtained according to the structure of the thin-wall metal tapered tube, the quantity and the stacking sequence of the thin-wall metal tapered tubes in each energy consumption device are determined according to the energy absorption and energy consumption requirements of actual impact, and accurate and reliable energy absorption and energy consumption data can be obtained through structural design analysis, so that the accurate design and manufacture of the energy consumption device are realized.
The invention provides an energy consumption device, comprising:
two end plates;
the flexible sheath is a hollow cylindrical body with openings at two ends, and the openings at two ends of the flexible sheath are fixedly connected with the two end plates;
the openings at the two ends of the deformable component are respectively abutted against the two end plates, the deformable component comprises at least one thin-wall metal tapered tube with the openings at the two ends, and the thin-wall metal tapered tube is arranged in the inner cavity of the hollow cylindrical body;
and the compression assembly is arranged outside the flexible sheath, and two ends of the compression assembly are fixedly connected with the two end plates and used for oppositely compressing the two end plates.
On the basis of the technical scheme, the number of the thin-wall metal conical pipes is at least two, the thin-wall metal conical pipes are stacked in the same direction and/or in the opposite direction along the axis of the flexible sheath, and the openings of the two adjacent thin-wall metal conical pipes are connected.
On the basis of the technical scheme, two adjacent thin-wall metal conical pipes are stacked in the same direction along the axis of the flexible sheath to form a pair, and two adjacent pairs of thin-wall metal conical pipes are reversely stacked.
On the basis of the technical scheme, a filling space is arranged between the thin-wall metal conical pipe and the inner wall of the flexible sheath and/or between the thin-wall metal conical pipes, and filling materials are arranged in the filling space.
On the basis of the technical scheme, the filler is polyurethane foam or mortar.
On the basis of the technical scheme, the pressing component is a pull rod or a pull rope.
On the basis of the technical scheme, the flexible sheath is made of rubber.
The present invention also provides a collision avoidance system for the safety protection of a building, comprising:
the first distribution beam is arranged outside a building, and an accommodating space is formed between the first distribution beam and the building;
the energy dissipation devices are arranged in the accommodating space, and the two end plates are fixedly connected with the first distribution beam and the building respectively.
On the basis of the above technical solution, the impact protection system further includes a second distribution beam, the second distribution beam is fixed on a surface of a building, and one of the end plates of the energy consumption device is fixedly connected to the building through the second distribution beam.
Compared with the prior art, the invention has the following advantages:
(1) the deformation mechanical property index of the thin-wall metal tapered tube can be obtained according to the structure of the thin-wall metal tapered tube, the quantity and the stacking sequence of the thin-wall metal tapered tubes in each energy consumption device are determined according to the energy absorption and energy consumption requirements of actual impact, and accurate and reliable energy absorption and energy consumption data can be obtained through structural design analysis, so that the accurate design and manufacturing of the energy consumption devices are realized.
(2) The mechanical property indexes of the thin-wall metal tapered pipes are obtained according to different specifications, and the modular design and the manufacture of the energy consumption device can be realized.
(3) When an end plate begins to receive the striking power effect, thin wall metal conical tube takes place elastic deformation, continues to take place plastic deformation under great striking power effect, can convert collision mechanical energy into metal internal energy, and the resistance to compression rigidity fluctuation of power consumption in-process is little, and the impact is low at the discreteness of collision in-process, has reliable and stable energy-absorbing power consumption effect to can effectively reduce the peak value of collision in-process impact, realize the protection to the building.
(4) Each energy consumption device can be directly fixed on the surface of a building, the specification, the number and the arrangement density of the energy consumption devices required by different parts of the building can be conveniently and flexibly determined through structural design analysis according to the collision probability and the difference of impact force of the different parts of the building, complex structural elastoplasticity analysis is not required to be carried out on the whole anti-collision facility, the modular design and manufacture of the anti-collision facility are realized, the design, construction and maintenance work of the building safety protection facility is greatly simplified, and the engineering cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an energy consuming device according to an embodiment of the present invention;
FIG. 2 is a view taken in the direction A of FIG. 1;
FIG. 3 is a view from the direction B of FIG. 1;
fig. 4 is a schematic structural view of two thin-walled metal conical tubes stacked in the same direction.
Reference numerals:
1-end plate, 2-flexible sheath, 3-deformable component, 31-thin-wall metal conical tube, 4-compaction component, 5-filler, 6-connecting bolt, 7-first distribution beam and 8-second distribution beam.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Referring to fig. 1 and 2, one end plate of the energy consumption device in fig. 1 is removed for clarity, and the embodiment of the invention provides an energy consumption device, which comprises two end plates 1, a flexible sheath 2, a deformable component 3 and a pressing component 4, wherein the flexible sheath 2 and the pressing component 4 are positioned between the two end plates 1, the deformable component 3 is arranged in the flexible sheath 2, and the pressing component 4 is arranged outside the flexible sheath 2.
The flexible sheath 2 is a hollow cylindrical body with two open ends, the flexible sheath 2 can be made of materials such as rubber, and the two open ends of the flexible sheath 2 are fixedly connected with the two end plates 1 through bolts.
The deformable component 3 comprises a plurality of thin-wall metal conical tubes 31 with openings at two ends, and the thin-wall metal conical tubes 31 are all arranged in the inner cavity of the hollow cylindrical body. Referring to fig. 4, two adjacent thin-walled metal tapered tubes 31 are stacked in the same direction along the axis of the flexible sheath 2 to form a pair. Two adjacent pairs of thin-walled metal tapered tubes 31 are reversely stacked, and the openings of the two adjacent pairs of thin-walled metal tapered tubes 31 are abutted. After the plurality of pairs of thin-walled metal tapered tubes 31 are abutted against each other, the outward openings of the thin-walled metal tapered tubes 31 at both ends are abutted against the two end plates 1, respectively. A filling space is arranged between the thin-wall metal conical pipe 31 and the inner wall of the flexible sheath 2 and/or between the thin-wall metal conical pipe 31, a filler 5 is arranged in the filling space, and the filler 5 is polyurethane foam or mortar foamed on site and used for enhancing the local stability of the thin-wall metal conical pipe 31 when the thin-wall metal conical pipe 31 is deformed under pressure.
In other embodiments, two adjacent thin-walled metal tapered tubes 31 may be stacked in the same direction and/or in opposite directions along the axis of the flexible sheath 2.
In other embodiments, the deformable component 3 may also be a thin-walled metal tapered tube 31, and the thin-walled metal tapered tube 31 is disposed in the inner cavity of the hollow cylindrical body, and two end openings of the thin-walled metal tapered tube are respectively abutted against the two end plates 1.
The compressing assembly 4 is arranged outside the flexible sheath 2, and two ends of the compressing assembly are fixedly connected with the two end plates 1 and used for compressing the two end plates 1 oppositely. The compression component 4 is a pull rod or a pull rope, and when the pull rod or the pull rope is connected with the two end plates 1, a tensile force needs to be applied and then the pull rod or the pull rope is anchored, so that the deformable component 3 is fastened in the two end plates 1, and the energy consumption device is integrated.
The end plate 1, the thin-wall metal tapered pipe 31 and the pull rod are all painted for corrosion prevention, and the pull rod hole in the end plate 1 and the bolt hole connected with the building or the distribution beam through the connecting bolt 6 are all located outside the flexible sheath 2, so that field operation is facilitated.
The deformation mechanical property index of the thin-wall metal tapered tube can be obtained according to the structure of the thin-wall metal tapered tube, the quantity and the stacking sequence of the thin-wall metal tapered tubes in each energy consumption device are determined according to the energy absorption and energy consumption requirements of actual impact, and accurate and reliable energy absorption and energy consumption data can be obtained through structural design analysis, so that the accurate design and manufacturing of the energy consumption devices are realized. In addition, mechanical property indexes of the thin-wall metal tapered pipes are obtained according to different specifications, and modular design and manufacturing of the energy consumption device can be realized.
The energy absorbing and consuming data of the energy consuming device comprises a maximum energy absorbing value, a maximum energy consuming value and/or a maximum energy absorbing and consuming value, wherein the maximum energy absorbing value refers to the maximum value of energy absorbed by the energy consuming device when the energy consuming device is still in an elastic deformation stage in a collision process, the maximum energy consuming value refers to the energy absorbed by an energy consuming module from the time when the energy consuming device enters a plastic deformation stage to the time when the energy consuming device is completely destroyed in the collision process, and the maximum energy absorbing and consuming value refers to the sum of the maximum energy absorbing value and the maximum energy consuming value.
The energy absorption and dissipation mechanism of the energy dissipation device is as follows: when an end plate begins to receive the striking power effect, thin wall metal conical tube 31 takes place elastic deformation to continue to take place plastic deformation when great striking power effect, can convert collision mechanical energy into the metal internal energy, the resistance to compression rigidity fluctuation of power consumption in-process is little, and the discreteness of striking power in the collision process is low, has reliable and stable energy-absorbing power consumption effect, and can effectively reduce the peak value of the collision power in the collision process, realizes the protection to the building.
The invention also provides an anti-collision facility, which is used for the safety protection of a building, and comprises a first distribution beam 7, wherein the first distribution beam 7 is arranged on the outer side of the building, and an accommodating space is formed between the first distribution beam 7 and the building; a plurality of the energy dissipation devices are arranged in the accommodating space, and the two end plates 1 are respectively and fixedly connected with the first distribution beam 7 and the building through the connecting bolts 6.
In other embodiments, the impact protection system further comprises a second distribution beam 8, the second distribution beam 8 is fixed to the surface of the building by means of the connecting bolt 6, and one end plate 1 of the energy consuming device is fixedly connected to the building by means of the second distribution beam 8.
The energy consumption device provides energy absorption and energy consumption data of a product, when the energy consumption device is used as a part for an anti-collision facility, each energy consumption device can be directly fixed on the surface of a building, and the specification, the number and the arrangement density of the energy consumption devices required by different parts of the building can be conveniently and flexibly determined through structural design analysis according to the collision probability and the difference of impact force of different parts of the building, reliable mechanical data can be conveniently obtained without carrying out complex structural elastoplasticity analysis on the whole anti-collision facility, and the difficulty in designing the anti-ship collision facility is greatly reduced. The modular design and manufacture of the anti-collision facility are realized, the design, construction and maintenance of the building safety protection facility are greatly simplified, and the engineering cost is reduced.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (5)
1. A crash facility for the safety protection of buildings, characterized in that it comprises:
a first distribution beam (7) disposed outside a building, the first distribution beam (7) having an accommodation space with the building;
a plurality of energy consuming devices, each disposed in the receiving space;
the energy consumption device comprises:
two end plates (1);
the flexible sheath (2) is a hollow cylindrical body with two open ends, and the two open ends of the flexible sheath (2) are fixedly connected with the two end plates (1);
the deformable component (3) is provided with openings at two ends which are respectively abutted against the two end plates (1), the deformable component (3) comprises at least two thin-wall metal tapered tubes (31) with openings at two ends, and the thin-wall metal tapered tubes (31) are arranged in the inner cavity of the hollow cylindrical body;
the compression assembly (4) is arranged outside the flexible sheath (2), two ends of the compression assembly are fixedly connected with the two end plates (1) and used for oppositely compressing the two end plates (1), and the compression assembly (4) is a pull rod or a pull rope;
filling spaces are arranged between the thin-wall metal conical pipe (31) and the inner wall of the flexible sheath (2) and between the thin-wall metal conical pipe (31), a filler (5) is arranged in the filling spaces, and the filler (5) is polyurethane foam or mortar;
the two end plates (1) are fixedly connected with the first distribution beam (7) and the building through connecting bolts (6) respectively.
2. A crash facility as set forth in claim 1, wherein: the number of the thin-wall metal conical pipes (31) is multiple, the thin-wall metal conical pipes (31) are stacked in the same direction and/or in the opposite direction along the axis of the flexible sheath (2), and the openings of two adjacent thin-wall metal conical pipes (31) are connected.
3. A crash facility as set forth in claim 2, wherein: two adjacent thin-wall metal conical pipes (31) are stacked in the same direction along the axis of the flexible sheath (2) to form a pair, and two adjacent pairs of thin-wall metal conical pipes (31) are stacked in the opposite direction.
4. A crash facility as set forth in claim 1, wherein: the flexible sheath (2) is made of rubber.
5. A collision avoidance system according to any one of claims 1 to 4, wherein: the anti-collision facility further comprises a second distribution beam (8), the second distribution beam (8) is fixed on the surface of the building, and one end plate (1) of the energy consumption device is fixedly connected with the building through the second distribution beam (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057930.0A CN107938560B (en) | 2017-11-01 | 2017-11-01 | Energy consumption device and anti-collision facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057930.0A CN107938560B (en) | 2017-11-01 | 2017-11-01 | Energy consumption device and anti-collision facility |
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| Publication Number | Publication Date |
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| CN107938560A CN107938560A (en) | 2018-04-20 |
| CN107938560B true CN107938560B (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711057930.0A Active CN107938560B (en) | 2017-11-01 | 2017-11-01 | Energy consumption device and anti-collision facility |
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Citations (9)
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| US5065555A (en) * | 1987-03-06 | 1991-11-19 | Kajima Corporation | Elasto-plastic damper |
| CN201896287U (en) * | 2010-12-21 | 2011-07-13 | 衡水橡胶股份有限公司 | Buffer device for collision-preventing structure of bridge pier |
| CN104389353A (en) * | 2014-11-07 | 2015-03-04 | 广州大学 | Integral ball vertical vibration isolation tube |
| CN204475270U (en) * | 2015-03-01 | 2015-07-15 | 董礼文 | A kind of bridge anti-collision device |
| CN204570543U (en) * | 2014-12-31 | 2015-08-19 | 李普东 | Bridge pier protector |
| CN204875623U (en) * | 2015-07-11 | 2015-12-16 | 宁夏煜隆科技有限公司 | Mound protector in cross -line bridge |
| CN106286663A (en) * | 2016-10-17 | 2017-01-04 | 安徽信泽科技有限公司 | A kind of disk spring antivibrator of scalable rigidity in early days |
| CN106437262A (en) * | 2016-10-17 | 2017-02-22 | 南京大德减震科技有限公司 | Disc-shaped spring damper with rigidity capable of being preset |
| CN106639456A (en) * | 2016-10-17 | 2017-05-10 | 南京大德减震科技有限公司 | Back pressure disc-shaped spring damper with adjustable rigidity |
-
2017
- 2017-11-01 CN CN201711057930.0A patent/CN107938560B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065555A (en) * | 1987-03-06 | 1991-11-19 | Kajima Corporation | Elasto-plastic damper |
| CN201896287U (en) * | 2010-12-21 | 2011-07-13 | 衡水橡胶股份有限公司 | Buffer device for collision-preventing structure of bridge pier |
| CN104389353A (en) * | 2014-11-07 | 2015-03-04 | 广州大学 | Integral ball vertical vibration isolation tube |
| CN204570543U (en) * | 2014-12-31 | 2015-08-19 | 李普东 | Bridge pier protector |
| CN204475270U (en) * | 2015-03-01 | 2015-07-15 | 董礼文 | A kind of bridge anti-collision device |
| CN204875623U (en) * | 2015-07-11 | 2015-12-16 | 宁夏煜隆科技有限公司 | Mound protector in cross -line bridge |
| CN106286663A (en) * | 2016-10-17 | 2017-01-04 | 安徽信泽科技有限公司 | A kind of disk spring antivibrator of scalable rigidity in early days |
| CN106437262A (en) * | 2016-10-17 | 2017-02-22 | 南京大德减震科技有限公司 | Disc-shaped spring damper with rigidity capable of being preset |
| CN106639456A (en) * | 2016-10-17 | 2017-05-10 | 南京大德减震科技有限公司 | Back pressure disc-shaped spring damper with adjustable rigidity |
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| CN107938560A (en) | 2018-04-20 |
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