US20090185857A1 - Retractable Energy Absorbing System - Google Patents
Retractable Energy Absorbing System Download PDFInfo
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- US20090185857A1 US20090185857A1 US12/418,242 US41824209A US2009185857A1 US 20090185857 A1 US20090185857 A1 US 20090185857A1 US 41824209 A US41824209 A US 41824209A US 2009185857 A1 US2009185857 A1 US 2009185857A1
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- Prior art keywords
- barrier
- absorbing system
- energy absorbing
- energy
- angular position
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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
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/08—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into closed position about a transverse axis situated in the road surface, e.g. tiltable sections of the road surface, tiltable parking posts
- E01F13/085—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into closed position about a transverse axis situated in the road surface, e.g. tiltable sections of the road surface, tiltable parking posts specially adapted for individual parking spaces
Definitions
- This invention relates to a retractable energy absorbing system where the system can be used to dissipate energy such as, e.g., the energy of a vehicle.
- the system may be used in a variety of applications, including HOV lane traffic control, drawbridges, security gates, or crash cushion applications.
- the system may be mobile, so that it may be moved between locations.
- the energy absorbing system includes a supporting member, a barrier mechanically coupled to the supporting member, the barrier pivotable between a first angular position and a second angular position, an energy absorber, at least a portion of which is immovably fixed, that is mechanically coupled to the supporting member, wherein the energy absorber absorbs energy when the supporting member travels from a first lateral position to a second lateral position, and a first rotation limiter mechanically coupled to one of the barrier and the supporting member that limits the barrier from pivoting beyond the second angular position.
- FIG. 1 shows a side view of a retractable energy system according to an aspect of the present disclosure.
- FIGS. 2 a - 2 c show a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 3 a - 3 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 4 a - 4 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 5 a - 5 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 6 a - 6 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 7 a - 7 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 8 a - 8 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 9 a - 9 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIG. 10 shows a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIG. 11 shows a side view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIG. 12 shows a front view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 13 a and 13 b show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 14 a and 14 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIG. 15 shows a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 16 a and 16 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIG. 17 shows a side view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 18 a and 18 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 19 a and 19 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 20 a and 20 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 21 a - 21 c show views of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 22 a - 22 c show a top view of channels and shear pins according to another aspect of the present disclosure.
- FIGS. 23A and 24A show side views of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 23B and 24B show top views of channels and shear pins according to another aspect of the present disclosure.
- FIG. 1 a side view of a general layout of an embodiment according to one aspect of the system of the present disclosure is shown.
- the system may include impact barrier 2 , sled 4 , hinge 6 , and one or more energy absorbers 8 , which may be any device or system that dissipates, redirects or absorbs energy.
- Impact barrier 2 and sled 4 may be fabricated from metal, rebar reinforced rubber, ceramic, plastic or composite material.
- Hinge 6 may be a solid pin, gear and shaft, or sprocket gear.
- Energy absorber 8 may be shock absorber having piston 10 .
- energy absorber 8 may include a dynamic breaking system, one or more shear pins, springs, foams, pneumatics, hydraulics, woven cable or cloth, friction bearings, breakable concrete or crushable metals or systems utilizing gravity or counterbalance weights.
- piston 10 may connect to sled 4 via flange 14 .
- Impact barrier 2 may be arranged so that it may be in at least a raised position, as shown in FIG. 1 , or a lowered position. Raised position of impact barrier 2 may be substantially perpendicular to the ground or may be at another angle to the ground, such as a 45 degree angle.
- a vehicle 20 traveling on a roadway at ground level 18 may make contact with impact barrier 2 , thereby causing impact barrier 2 and sled 4 to travel horizontally, thereby causing energy absorber 8 to absorb energy and the vehicle 20 to decelerate.
- FIGS. 2 a - 2 c show a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure.
- FIGS. 2 a and 2 b show a perspective view of a retractable energy absorbing system with impact barrier 2 in a lowered position and raised position, respectively.
- FIGS. 2 a and 2 b show the system prior to impact, with impact barrier 2 and sled 4 in an original position and pistons 10 in a compressed state.
- Energy absorbers 8 may be immovably fixed at, above or below ground level 18 .
- FIG. 2 c shows the system with the impact barrier 2 and sled 4 displaced from the original position in a direction of impact and shows pistons 10 in an extended state. Note that, as compared to the arrangement of FIG. 1 , the energy absorbers 8 in FIGS. 2 a - 2 c have been repositioned.
- Impact barrier 2 and/or sled 4 may have a sloped or tear-drop shape on at least one side as shown in FIG. 2 a, so that they may act similarly to a speed bump while permitting a vehicle to pass over when in the lowered position.
- the shapes of impact barrier 2 and sled 4 may be inverted so that a vehicle encounters a non-sloped or flat shape.
- FIGS. 3 a - 3 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 3 a - 3 d show energy absorber 8 arranged in a manner such that an application of force to impact barrier 2 may cause piston 10 to expand.
- impact barrier 2 is shown in a lowered position
- impact barrier 2 is shown in a raised position.
- FIGS. 3 a and 3 b show impact barrier 2 and sled 4 above ground level 18 , with energy absorber 8 located below ground level 18 .
- FIGS. 3 a and 3 d show energy absorber 8 arranged in a manner such that an application of force to impact barrier 2 may cause piston 10 to expand.
- FIG. 3 a impact barrier 2 is shown in a lowered position
- FIGS. 3 a and 3 b show impact barrier 2 and sled 4 above ground level 18 , with energy absorber 8 located below ground level 18 .
- connector 12 and flange 14 may attach energy absorber 8 to sled 4 , for example, at or near distal and proximal ends, respectively.
- piston 10 of energy absorber 8 may be connected to flange 14 via connector 12 .
- Connector 12 may include a ‘U’ shaped joint and flange 14 may fit inside connector 12 and be secured by a pin (not shown).
- flange 14 may be located underneath or to the side of sled 4 depending on the location of energy absorber 8 .
- impact barrier 2 and sled 4 may be arranged above ground level 18 using housing 16 , with energy absorber 8 located within housing 16 .
- energy absorber 8 may be partially above and beneath ground level 18 .
- FIGS. 3 c and 3 d show impact barrier 2 in a lowered position as well as in a raised position (in dashed lines).
- one or more energy absorbers 8 may be attached at or between proximal and distal ends of sled 4 , above, at or below ground level 18 and may be attached to sled 4 using flange 14 , connector 12 , hinge 6 , other connection device or any combination thereof.
- Housing 16 may be used to facilitate portability and may provide a secure, sealed enclosure for the preservation of the internal workings of the system from contaminants and moisture.
- FIGS. 4 a - 4 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.
- FIGS. 4 a - 4 d show energy absorber 8 arranged in a manner such that an application of force to impact barrier 2 may cause piston 10 to compress.
- FIGS. 4 a and 4 b show impact barrier 2 and sled 4 above ground level 18 , with energy absorber 8 located below ground level 18 .
- connector 12 and flange 14 may attach energy absorber 8 to sled 4 , for example, at or between proximal and distal ends, respectively.
- impact barrier 2 and sled 4 may be arranged above ground level 18 using housing 16 , with energy absorber 8 located within housing 16 .
- energy absorber 8 of FIGS. 4 a - 4 d may be partially above and beneath ground level 18 .
- FIGS. 5 a - 5 d show a side view of a retractable energy absorbing system according to further aspects of the present disclosure.
- FIGS. 5 a - 5 d show energy absorbers 8 and 9 arranged in a manner such that an application of force to impact barrier 2 may cause piston 10 to extend and piston 11 to compress.
- FIGS. 5 a and 5 b show impact barrier 2 and sled 4 above ground level 18 , with energy absorbers 8 and 9 located below ground level 18 .
- pistons 10 and 11 may attach to flanges 14 and 15 respectively at a distal end of sled 4 .
- piston 10 may attach to flange 14 at a proximal end of sled 4 via connector 12 and piston 11 may attach to flange 15 at a distal end of sled 4 via connector 13 .
- impact barrier 2 and sled 4 may be arranged above ground level 18 using housing 16 , with energy absorbers 8 and 9 located within housing 16 .
- energy absorber 8 shown in FIGS. 5 a - 5 d may be partially above and below ground level 18 .
- FIGS. 6 a - 6 d show a side view of a retractable energy absorbing system according to further aspects of the present disclosure.
- FIGS. 6 a - 6 d show energy absorber 8 arranged in a manner such that an application of force to impact barrier 2 may cause piston 10 to extend.
- FIGS. 6 a and 6 b show impact barrier 2 and sled 4 above ground level 18 , with energy absorber 8 located at the side of sled 4 at or above ground level 18 .
- Energy absorber 8 may attach to sled 4 , for example, at or between distal and proximal ends.
- piston 10 may attach to sled 4 at hinge 6 .
- piston 10 may attach to flange 14 at or near a distal end of sled 4 .
- impact barrier 2 and sled 4 may be arranged above ground level 18 using housing 16 , with energy absorber 8 located on or within housing 16 .
- FIGS. 7 a - 7 d show a side view of a retractable energy absorbing system according to further aspects of the present disclosure.
- FIGS. 7 a - 7 d show energy absorber 8 arranged in a manner such that an application of force to impact barrier 2 may cause piston 10 of energy absorber 8 to compress.
- FIGS. 7 a and 7 b show impact barrier 2 and sled 4 above ground level 18 , with energy absorber 8 located at the sides of sled 4 at or above ground level 18 .
- Energy absorber 8 may attach to sled 4 at or between proximal and distal ends.
- piston 10 may attach to sled 4 at hinge 6 .
- piston 10 may attach to flange 14 at or near a distal end of sled 4 .
- impact barrier 2 and sled 4 may be arranged above ground level 18 using housing 16 , with energy absorber 8 located on or within housing 16 .
- FIGS. 8 a - 8 d show a side view of a retractable energy absorbing system according to further aspects of the present disclosure.
- FIGS. 8 a - 8 d show energy absorbers 8 , 9 and 9 a arranged in a manner such that an application of force to impact barrier 2 may cause piston 10 to extend and pistons 11 and 11 a to compress.
- FIGS. 8 a and 8 b show impact barrier 2 and sled 4 above ground level 18 , energy absorbers 8 and 9 located below ground level 18 , and energy absorber 9 a located at the side of sled 4 at or above ground level 18 . As shown in FIG.
- pistons 10 , 11 and 11 a may attach to flanges 14 , 15 and 15 a respectively at or near a distal end of sled 4 .
- piston 10 may attach to flange 14 at or near a proximal end of sled 4 and pistons 11 and 11 a may attach to flanges 15 and 15 a at or near a distal end of sled 4 .
- impact barrier 2 and sled 4 may be arranged above ground level 18 using housing 16 , with energy absorbers 8 , 9 and 9 a located within or above housing 16 .
- the various energy absorbers may be partially above or below ground level 18 .
- FIGS. 9 a - 9 d show a side view of a retractable energy absorbing system according to aspects of the present disclosure.
- FIGS. 9 a - 9 d show energy absorbers 8 , 8 a and 9 arranged in a manner such that an application of force to impact barrier 2 may cause pistons 10 and 10 a to extend and piston 11 to compress.
- FIGS. 9 a and 9 b show impact barrier 2 and sled 4 above ground level 18 , energy absorbers 8 and 9 located below ground level 18 , and energy absorber 8 a located at the side of sled 4 at or above ground level 18 . As shown in FIG.
- pistons 10 and 11 may attach to flanges 14 and 15 at or near a distal end of sled 4 , and pistons 10 a may attach to hinge 6 .
- piston 10 may attach to flange 14 at or near a proximal end of sled 4
- pistons 10 a and 11 may attach to flanges 14 a and 15 , respectively, at or near a distal end of sled 4 .
- impact barrier 2 and sled 4 may be arranged above ground level 18 using housing 16 , with energy absorbers 8 , 8 a and 9 located within or above housing 16 .
- the various energy absorbers may be partially above or below ground level 18 .
- FIG. 10 shows a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure.
- impact barrier 2 includes deployment arms 30 , shown in an upright position, and net 32 .
- net 32 may rest within net pit 36 , which is formed to accommodate net 32 .
- Net pit 36 may be connected to and travel with impact barrier 2 and sled 4 upon application of force to impact barrier 2 .
- impact barrier 2 may be raised and/or lowered using a raising/lowering device 34 and shaft 44 .
- Raising/lowering device 34 may be, for example, an electric rotary motor, which may be connected to and travel with impact barrier 2 and sled 4 .
- raising/lowering device 34 may be controlled by a computer system (not shown) operated automatically and/or by a user.
- the impact barrier 2 may be raised/lowered manually using, for example, a lever, spring, hydraulic jack, air cylinder, rotation mechanism or counterweight.
- impact barrier 2 , sled 4 and net pit 36 may be arranged atop housing 16 , with energy absorber 8 located within or above housing 16 .
- energy absorbers 8 may be arranged in a number of configurations, including those described above.
- FIG. 12 shows a front view of a retractable energy absorbing system according to another aspect of the present disclosure.
- sled 4 and/or net pit 36 may have rails 38 that fit in channels 40 and provide guidance in a direction when force is applied to sled 4 .
- Channels 40 may have drainage holes 42 .
- channels 40 may be located within housing 16 . In other aspects, channels 40 may be fixed to or in the ground.
- brackets 50 and 52 may be attached to impact barrier 2 and/or sled 4 and may limit the rotation of impact barrier 2 and provide support.
- the angle of rotation of impact barrier 2 may be determined by the size and arrangement of brackets 50 and 52 .
- brackets 50 and 52 may be constructed of steel or other rigid material.
- brackets 50 and 52 In an effort to reduce the loads experienced by brackets 50 and 52 as well as the overall system during impact, a variety of cushioning techniques may be applied to brackets 50 and 52 .
- One such example is a foam cushion, which may be several inches thick depending on the nature of the application and may provide cushioning between the contact surfaces of brackets 50 and 52 during impact.
- another example of cushioning may be a bracket energy absorber 54 , such as a spring or self-contained shock-absorber that may be attached to the side of or in between brackets 50 and 52 using shafts 56 , and that may resist the rotation of impact barrier 2 during impact.
- an impact barrier cover 60 may cover some or all of the impact barrier 2 and may protect a vehicle 20 and impact barrier 2 from damage, particularly during low speed impacts.
- the impact barrier cover 60 may be constructed using thick, compressible material (e.g. foam rubber) that deforms locally.
- the retractable energy absorbing system may include wheels 70 , and/or casters, tracks/treads, rollers, etc. to facilitate transportation and orientation.
- Wheels 70 may be used in conjunction with trailer-hitches, goose-neck attachments, or fifth-wheel style attachments. Wheels 70 may be affixed to the unit using axle 72 , or using independent axle, tandem axle, removable, or hinged wheels.
- the retractable energy absorbing system may include treads 80 driven by sprockets 82 .
- Sprockets 82 may be connected to a power and control system (not shown) that may be operated by a user to position the retractable energy absorbing system.
- FIGS. 20 a and 20 b additional energy dissipation may occur when guide 90 is present which controls the movement of sled 4 and may cause connector 12 , flange 14 , impact barrier 2 and sled 4 to travel along the slope of guide 90 as piston 10 expands and energy absorber 8 pivots on hinge 91 .
- FIGS. 20 a and 20 b show such a system with housing 16 located partially below ground level 18 , before and after impact, respectively.
- FIGS. 21 a, 21 b and 21 c show a system with housing 16 located above ground level 18 , with FIG. 21 c showing a top view.
- rails 38 and channels 40 may be used in energy dissipation, for example, by having rails 38 and/or guides 40 arranged on an increasing slope, thereby causing the impact barrier 2 , sled 4 and net pit 36 to follow along that slope as they travel after impact.
- channels 40 may be fitted with an arrangement of one or more supplemental energy absorbers, such as breakable shear pins 92 .
- Rails 38 may slide along channels 40 and break shear pins 92 causing sled 4 to decelerate as it travels.
- Shear pins 92 may break at shear zones 94 , upon application of force based on specified shear strengths.
- Shear pins 92 may be arranged uniformly or at increments based on the type of installation.
- guide 90 may be fitted with such supplemental energy absorbers.
Abstract
An energy absorbing system. The energy absorbing system includes a supporting member, a barrier mechanically coupled to the supporting member, the barrier pivotable between a first angular position and a second angular position, an energy absorber, at least a portion of which is immovably fixed, that is mechanically coupled to the supporting member, wherein the energy absorber absorbs energy when the supporting member travels from a first lateral position to a second lateral position, and a first rotation limiter mechanically coupled to one of the barrier and the supporting member that limits the barrier from pivoting beyond the second angular position.
Description
- This application is a continuation of U.S. patent application Ser. No. 10/991,030, filed Nov. 17, 2004, now U.S. Pat. No. ______, which is hereby incorporated by reference.
- This invention relates to a retractable energy absorbing system where the system can be used to dissipate energy such as, e.g., the energy of a vehicle. The system may be used in a variety of applications, including HOV lane traffic control, drawbridges, security gates, or crash cushion applications. In one application, the system may be mobile, so that it may be moved between locations.
- The present disclosure relates to an energy absorbing system. In one aspect, the energy absorbing system includes a supporting member, a barrier mechanically coupled to the supporting member, the barrier pivotable between a first angular position and a second angular position, an energy absorber, at least a portion of which is immovably fixed, that is mechanically coupled to the supporting member, wherein the energy absorber absorbs energy when the supporting member travels from a first lateral position to a second lateral position, and a first rotation limiter mechanically coupled to one of the barrier and the supporting member that limits the barrier from pivoting beyond the second angular position.
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FIG. 1 shows a side view of a retractable energy system according to an aspect of the present disclosure. -
FIGS. 2 a-2 c show a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 3 a-3 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure. -
FIGS. 4 a-4 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure. -
FIGS. 5 a-5 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure. -
FIGS. 6 a-6 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure. -
FIGS. 7 a-7 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure. -
FIGS. 8 a-8 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure. -
FIGS. 9 a-9 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure. -
FIG. 10 shows a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIG. 11 shows a side view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIG. 12 shows a front view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 13 a and 13 b show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure. -
FIGS. 14 a and 14 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIG. 15 shows a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 16 a and 16 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIG. 17 shows a side view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 18 a and 18 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 19 a and 19 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 20 a and 20 b show a side view of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 21 a-21 c show views of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 22 a-22 c show a top view of channels and shear pins according to another aspect of the present disclosure. -
FIGS. 23A and 24A show side views of a retractable energy absorbing system according to another aspect of the present disclosure. -
FIGS. 23B and 24B show top views of channels and shear pins according to another aspect of the present disclosure. - Referring to the drawings, wherein like reference numerals represent identical or corresponding parts throughout the several views, and more particularly to
FIG. 1 , a side view of a general layout of an embodiment according to one aspect of the system of the present disclosure is shown. The system may includeimpact barrier 2,sled 4,hinge 6, and one or more energy absorbers 8, which may be any device or system that dissipates, redirects or absorbs energy.Impact barrier 2 andsled 4 may be fabricated from metal, rebar reinforced rubber, ceramic, plastic or composite material. Hinge 6 may be a solid pin, gear and shaft, or sprocket gear. Energy absorber 8 may be shockabsorber having piston 10. In other aspects, energy absorber 8 may include a dynamic breaking system, one or more shear pins, springs, foams, pneumatics, hydraulics, woven cable or cloth, friction bearings, breakable concrete or crushable metals or systems utilizing gravity or counterbalance weights. - To provide flexibility,
piston 10 may connect to sled 4 viaflange 14.Impact barrier 2 may be arranged so that it may be in at least a raised position, as shown inFIG. 1 , or a lowered position. Raised position ofimpact barrier 2 may be substantially perpendicular to the ground or may be at another angle to the ground, such as a 45 degree angle. In one aspect, avehicle 20 traveling on a roadway atground level 18 may make contact withimpact barrier 2, thereby causingimpact barrier 2 and sled 4 to travel horizontally, thereby causing energy absorber 8 to absorb energy and thevehicle 20 to decelerate. -
FIGS. 2 a-2 c show a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure.FIGS. 2 a and 2 b show a perspective view of a retractable energy absorbing system withimpact barrier 2 in a lowered position and raised position, respectively.FIGS. 2 a and 2 b show the system prior to impact, withimpact barrier 2 and sled 4 in an original position andpistons 10 in a compressed state.Energy absorbers 8 may be immovably fixed at, above or belowground level 18.FIG. 2 c shows the system with theimpact barrier 2 and sled 4 displaced from the original position in a direction of impact and showspistons 10 in an extended state. Note that, as compared to the arrangement ofFIG. 1 , the energy absorbers 8 inFIGS. 2 a-2 c have been repositioned. -
Impact barrier 2 and/orsled 4 may have a sloped or tear-drop shape on at least one side as shown inFIG. 2 a, so that they may act similarly to a speed bump while permitting a vehicle to pass over when in the lowered position. In an aspect shown inFIGS. 13 a and 13 b, the shapes ofimpact barrier 2 andsled 4 may be inverted so that a vehicle encounters a non-sloped or flat shape. -
FIGS. 3 a-3 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.FIGS. 3 a-3 d show energy absorber 8 arranged in a manner such that an application of force to impactbarrier 2 may causepiston 10 to expand. InFIG. 3 a,impact barrier 2 is shown in a lowered position, and inFIG. 3 b,impact barrier 2 is shown in a raised position.FIGS. 3 a and 3 bshow impact barrier 2 and sled 4 aboveground level 18, with energy absorber 8 located belowground level 18. As shown inFIGS. 3 a and 3 b,connector 12 andflange 14 may attach energy absorber 8 to sled 4, for example, at or near distal and proximal ends, respectively. In this and other aspects,piston 10 of energy absorber 8 may be connected toflange 14 viaconnector 12.Connector 12 may include a ‘U’ shaped joint andflange 14 may fit insideconnector 12 and be secured by a pin (not shown). In other aspects,flange 14 may be located underneath or to the side ofsled 4 depending on the location of energy absorber 8. - As shown in
FIGS. 3 c and 3 d,impact barrier 2 andsled 4 may be arranged aboveground level 18 usinghousing 16, with energy absorber 8 located withinhousing 16. As yet another alternative,energy absorber 8 may be partially above and beneathground level 18. For illustrative purposes,FIGS. 3 c and 3 dshow impact barrier 2 in a lowered position as well as in a raised position (in dashed lines). - In various aspects of the system of the present disclosure, one or
more energy absorbers 8 may be attached at or between proximal and distal ends ofsled 4, above, at or belowground level 18 and may be attached tosled 4 usingflange 14,connector 12,hinge 6, other connection device or any combination thereof.Housing 16 may be used to facilitate portability and may provide a secure, sealed enclosure for the preservation of the internal workings of the system from contaminants and moisture. -
FIGS. 4 a-4 d show a side view of a retractable energy absorbing system according to additional aspects of the present disclosure.FIGS. 4 a-4 d showenergy absorber 8 arranged in a manner such that an application of force to impactbarrier 2 may causepiston 10 to compress.FIGS. 4 a and 4 b showimpact barrier 2 andsled 4 aboveground level 18, withenergy absorber 8 located belowground level 18. As shown inFIGS. 4 a and 4 b,connector 12 andflange 14 may attachenergy absorber 8 tosled 4, for example, at or between proximal and distal ends, respectively. - As shown in
FIGS. 4 c and 4 d,impact barrier 2 andsled 4 may be arranged aboveground level 18 usinghousing 16, withenergy absorber 8 located withinhousing 16. As with the arrangement ofFIGS. 3 a-3 d,energy absorber 8 ofFIGS. 4 a-4 d may be partially above and beneathground level 18. -
FIGS. 5 a-5 d show a side view of a retractable energy absorbing system according to further aspects of the present disclosure.FIGS. 5 a-5 d showenergy absorbers barrier 2 may causepiston 10 to extend andpiston 11 to compress.FIGS. 5 a and 5 b showimpact barrier 2 andsled 4 aboveground level 18, withenergy absorbers ground level 18. As shown inFIGS. 5 a and 5 c,pistons flanges sled 4. As shown inFIGS. 5 b and 5 d,piston 10 may attach to flange 14 at a proximal end ofsled 4 viaconnector 12 andpiston 11 may attach to flange 15 at a distal end ofsled 4 viaconnector 13. - As shown in
FIGS. 5 c and 5 d,impact barrier 2 andsled 4 may be arranged aboveground level 18 usinghousing 16, withenergy absorbers housing 16. Once again,energy absorber 8, shown inFIGS. 5 a-5 d may be partially above and belowground level 18. -
FIGS. 6 a-6 d show a side view of a retractable energy absorbing system according to further aspects of the present disclosure.FIGS. 6 a-6 d showenergy absorber 8 arranged in a manner such that an application of force to impactbarrier 2 may causepiston 10 to extend.FIGS. 6 a and 6 b showimpact barrier 2 andsled 4 aboveground level 18, withenergy absorber 8 located at the side ofsled 4 at or aboveground level 18.Energy absorber 8 may attach tosled 4, for example, at or between distal and proximal ends. As shown inFIGS. 6 a and 6 c,piston 10 may attach tosled 4 athinge 6. As shown inFIGS. 6 b and 6 d,piston 10 may attach to flange 14 at or near a distal end ofsled 4. - As shown in
FIGS. 6 c and 6 d,impact barrier 2 andsled 4 may be arranged aboveground level 18 usinghousing 16, withenergy absorber 8 located on or withinhousing 16. -
FIGS. 7 a-7 d show a side view of a retractable energy absorbing system according to further aspects of the present disclosure.FIGS. 7 a-7 d showenergy absorber 8 arranged in a manner such that an application of force to impactbarrier 2 may causepiston 10 ofenergy absorber 8 to compress.FIGS. 7 a and 7 b showimpact barrier 2 andsled 4 aboveground level 18, withenergy absorber 8 located at the sides ofsled 4 at or aboveground level 18.Energy absorber 8 may attach tosled 4 at or between proximal and distal ends. As shown inFIGS. 7 a and 7 c,piston 10 may attach tosled 4 athinge 6. As shown inFIGS. 7 b and 7 d,piston 10 may attach to flange 14 at or near a distal end ofsled 4. - As shown in
FIGS. 7 c and 7 d,impact barrier 2 andsled 4 may be arranged aboveground level 18 usinghousing 16, withenergy absorber 8 located on or withinhousing 16. -
FIGS. 8 a-8 d show a side view of a retractable energy absorbing system according to further aspects of the present disclosure.FIGS. 8 a-8 d showenergy absorbers barrier 2 may causepiston 10 to extend andpistons FIGS. 8 a and 8 b showimpact barrier 2 andsled 4 aboveground level 18,energy absorbers ground level 18, andenergy absorber 9 a located at the side ofsled 4 at or aboveground level 18. As shown inFIG. 8 a,pistons flanges sled 4. As shown inFIG. 8 b,piston 10 may attach to flange 14 at or near a proximal end ofsled 4 andpistons flanges sled 4. - As shown in
FIGS. 8 c and 8 d,impact barrier 2 andsled 4 may be arranged aboveground level 18 usinghousing 16, withenergy absorbers housing 16. As with previous aspects, the various energy absorbers may be partially above or belowground level 18. -
FIGS. 9 a-9 d show a side view of a retractable energy absorbing system according to aspects of the present disclosure.FIGS. 9 a-9 d showenergy absorbers barrier 2 may causepistons piston 11 to compress.FIGS. 9 a and 9 b showimpact barrier 2 andsled 4 aboveground level 18,energy absorbers ground level 18, andenergy absorber 8 a located at the side ofsled 4 at or aboveground level 18. As shown inFIG. 9 a,pistons flanges sled 4, andpistons 10 a may attach to hinge 6. As shown inFIG. 9 b,piston 10 may attach to flange 14 at or near a proximal end ofsled 4,pistons flanges sled 4. - As shown in
FIGS. 9 c and 9 d,impact barrier 2 andsled 4 may be arranged aboveground level 18 usinghousing 16, withenergy absorbers housing 16. As with previous aspects, the various energy absorbers may be partially above or belowground level 18. -
FIG. 10 shows a perspective view of a retractable energy absorbing system according to another aspect of the present disclosure. In this aspect,impact barrier 2 includesdeployment arms 30, shown in an upright position, andnet 32. Whenimpact barrier 2 is in a lowered position, as shown inFIG. 11 , net 32 may rest withinnet pit 36, which is formed to accommodate net 32.Net pit 36 may be connected to and travel withimpact barrier 2 andsled 4 upon application of force to impactbarrier 2. - In this and other aspects,
impact barrier 2 may be raised and/or lowered using a raising/loweringdevice 34 andshaft 44. Raising/loweringdevice 34 may be, for example, an electric rotary motor, which may be connected to and travel withimpact barrier 2 andsled 4. In one aspect, raising/loweringdevice 34 may be controlled by a computer system (not shown) operated automatically and/or by a user. In other aspects, theimpact barrier 2 may be raised/lowered manually using, for example, a lever, spring, hydraulic jack, air cylinder, rotation mechanism or counterweight. - As shown in
FIGS. 10 , 11 and 12,impact barrier 2,sled 4 andnet pit 36 may be arranged atophousing 16, withenergy absorber 8 located within or abovehousing 16. Alternatively,energy absorbers 8 may be arranged in a number of configurations, including those described above. -
FIG. 12 shows a front view of a retractable energy absorbing system according to another aspect of the present disclosure. As shown,sled 4 and/ornet pit 36 may haverails 38 that fit inchannels 40 and provide guidance in a direction when force is applied tosled 4.Channels 40 may have drainage holes 42. Whenhousing 16 is present,channels 40 may be located withinhousing 16. In other aspects,channels 40 may be fixed to or in the ground. - As shown in
FIGS. 14 a, 14 b, 15, 16 a and 16 b,brackets barrier 2 and/orsled 4 and may limit the rotation ofimpact barrier 2 and provide support. The angle of rotation ofimpact barrier 2 may be determined by the size and arrangement ofbrackets brackets - In an effort to reduce the loads experienced by
brackets brackets brackets FIGS. 16 a and 16 b, another example of cushioning may be abracket energy absorber 54, such as a spring or self-contained shock-absorber that may be attached to the side of or in betweenbrackets shafts 56, and that may resist the rotation ofimpact barrier 2 during impact. - As shown in
FIG. 17 , animpact barrier cover 60 may cover some or all of theimpact barrier 2 and may protect avehicle 20 andimpact barrier 2 from damage, particularly during low speed impacts. Theimpact barrier cover 60 may be constructed using thick, compressible material (e.g. foam rubber) that deforms locally. - As shown in
FIGS. 18 a and 18 b, the retractable energy absorbing system may includewheels 70, and/or casters, tracks/treads, rollers, etc. to facilitate transportation and orientation.Wheels 70 may be used in conjunction with trailer-hitches, goose-neck attachments, or fifth-wheel style attachments.Wheels 70 may be affixed to theunit using axle 72, or using independent axle, tandem axle, removable, or hinged wheels. - As shown in
FIGS. 19 a and 19 b, the retractable energy absorbing system may includetreads 80 driven bysprockets 82.Sprockets 82 may be connected to a power and control system (not shown) that may be operated by a user to position the retractable energy absorbing system. - As shown in
FIGS. 20 a and 20 b, additional energy dissipation may occur whenguide 90 is present which controls the movement ofsled 4 and may causeconnector 12,flange 14,impact barrier 2 andsled 4 to travel along the slope ofguide 90 aspiston 10 expands andenergy absorber 8 pivots onhinge 91.FIGS. 20 a and 20 b show such a system withhousing 16 located partially belowground level 18, before and after impact, respectively. In another aspect,FIGS. 21 a, 21 b and 21 c show a system withhousing 16 located aboveground level 18, withFIG. 21 c showing a top view. - Similarly, with respect to
FIGS. 10-12 , rails 38 andchannels 40 may be used in energy dissipation, for example, by havingrails 38 and/or guides 40 arranged on an increasing slope, thereby causing theimpact barrier 2,sled 4 andnet pit 36 to follow along that slope as they travel after impact. - As shown in
FIGS. 22 a, 22 b, 22 c, 23 a, 23 b, 24 a, and 24 b,channels 40 may be fitted with an arrangement of one or more supplemental energy absorbers, such as breakable shear pins 92.Rails 38 may slide alongchannels 40 and break shear pins 92 causingsled 4 to decelerate as it travels. Shear pins 92 may break atshear zones 94, upon application of force based on specified shear strengths. Shear pins 92 may be arranged uniformly or at increments based on the type of installation. Similarly, guide 90 may be fitted with such supplemental energy absorbers. - Although illustrative embodiments have been described herein in detail, it should be noted and will be appreciated by those skilled in the art that numerous variations may be made within the scope of this invention without departing from the principle of this invention and without sacrificing its chief advantages.
- Unless otherwise specifically stated, the terms and expressions have been used herein as terms of description and not terms of limitation. There is no intention to use the terms or expressions to exclude any equivalents of features shown and described or portions thereof and this invention should be defined in accordance with the claims that follow.
Claims (20)
1. An energy absorbing system, comprising:
a supporting member;
a barrier mechanically coupled to the supporting member, the barrier pivotable between a first angular position and a second angular position;
an energy absorber, at least a portion of which is immovably fixed, that is mechanically coupled to the supporting member, wherein the energy absorber absorbs energy when the supporting member travels from a first lateral position to a second lateral position; and
a first rotation limiter mechanically coupled to one of the barrier and the supporting member that limits the barrier from pivoting beyond the second angular position.
2. The energy absorbing system of claim 1 , wherein the first angular position is substantially horizontal.
3. The energy absorbing system of claim 1 , wherein the first angular position is substantially parallel to ground level.
4. The energy absorbing system of claim 1 , wherein the second angular position is substantially vertical.
5. The energy absorbing system of claim 1 , wherein the second angular position is substantially perpendicular to ground level.
6. The energy absorbing system of claim 1 , further comprising:
a second energy absorber mechanically coupling the first rotation limiter and the supporting member and that resists the barrier from pivoting to the second angular position.
7. The energy absorbing system of claim 1 , further comprising:
a second energy absorber mechanically coupling the barrier and the supporting member and that resists the barrier from pivoting to the second angular position.
8. The energy absorbing system of claim 1 , further comprising:
a second rotation limiter mechanically coupled to the other of the barrier and the supporting member that contacts the first rotation limiter and limits the barrier from pivoting beyond the second angular position.
9. The energy absorbing system of claim 8 , further comprising:
a second energy absorber mechanically coupling the first and second rotation limiters and that resists the barrier from pivoting to the second angular position.
10. The energy absorbing system of claim 1 , wherein the barrier is mechanically coupled to the supporting member by a hinge.
11. The energy absorbing system of claim 1 , wherein the first rotation limiter is a bracket.
12. An energy absorbing system, comprising:
a supporting member;
a barrier hingably coupled to the supporting member, the barrier pivotable between a first angular position and a second angular position;
an energy absorber, at least a portion of which is coupled to a housing, that is mechanically coupled to the supporting member, wherein the energy absorber absorbs energy when the supporting member travels from a first lateral position to a second lateral position; and
a rotation limiter mechanically coupled to one of the barrier and the supporting member that limits the barrier from pivoting beyond the second angular position.
13. The energy absorbing system of claim 12 , wherein the first angular position is substantially horizontal.
14. The energy absorbing system of claim 12 , wherein the first angular position is substantially parallel to ground level.
15. The energy absorbing system of claim 12 , wherein the second angular position is substantially vertical.
16. The energy absorbing system of claim 12 , wherein the second angular position is substantially perpendicular to ground level.
17. The energy absorbing system of claim 12 , further comprising:
a second energy absorber mechanically coupling the first rotation limiter and the supporting member and that resists the barrier from pivoting to the second angular position.
18. The energy absorbing system of claim 12 , further comprising:
a second energy absorber mechanically coupling the barrier and the supporting member and that resists the barrier from pivoting to the second angular position.
19. The energy absorbing system of claim 12 , further comprising:
a second rotation limiter mechanically coupled to the other of the barrier and the supporting member that contacts the first rotation limiter and limits the barrier from pivoting beyond the second angular position.
20. The energy absorbing system of claim 19 , further comprising:
a second energy absorber mechanically coupling the first and second rotation limiters and that resists the barrier from pivoting to the second angular position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/418,242 US20090185857A1 (en) | 2004-11-17 | 2009-04-03 | Retractable Energy Absorbing System |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/991,030 US7530759B2 (en) | 2004-11-17 | 2004-11-17 | Retractable energy absorbing system |
US12/418,242 US20090185857A1 (en) | 2004-11-17 | 2009-04-03 | Retractable Energy Absorbing System |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/991,030 Continuation US7530759B2 (en) | 2004-11-17 | 2004-11-17 | Retractable energy absorbing system |
Publications (1)
Publication Number | Publication Date |
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US20090185857A1 true US20090185857A1 (en) | 2009-07-23 |
Family
ID=36386464
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US10/991,030 Expired - Fee Related US7530759B2 (en) | 2004-11-17 | 2004-11-17 | Retractable energy absorbing system |
US12/418,242 Abandoned US20090185857A1 (en) | 2004-11-17 | 2009-04-03 | Retractable Energy Absorbing System |
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US10/991,030 Expired - Fee Related US7530759B2 (en) | 2004-11-17 | 2004-11-17 | Retractable energy absorbing system |
Country Status (5)
Country | Link |
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US (2) | US7530759B2 (en) |
EP (1) | EP1825065A4 (en) |
AU (1) | AU2005306938B2 (en) |
CA (1) | CA2603861A1 (en) |
WO (1) | WO2006055210A2 (en) |
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US20090151971A1 (en) * | 2007-12-17 | 2009-06-18 | Michael John Lamore | Cable Housing System |
CN107217619A (en) * | 2016-08-28 | 2017-09-29 | 梁崇彦 | A kind of Obstruct apparatus of signal triggering |
US9791245B1 (en) | 2013-12-18 | 2017-10-17 | Michael John Lamore | Building protection barrier system |
CN109577250A (en) * | 2019-01-31 | 2019-04-05 | 赵雪丽 | A kind of municipal administration street anticollision barrier |
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US7950870B1 (en) | 2008-03-28 | 2011-05-31 | Energy Absorption Systems, Inc. | Energy absorbing vehicle barrier |
US20100003078A1 (en) * | 2008-07-07 | 2010-01-07 | National Taipei University Of Technology | Anti-terror car-attack defending apparatus |
US7722284B1 (en) * | 2008-09-10 | 2010-05-25 | Banyat Somwong | Traffic impact attenuator |
US8128310B2 (en) * | 2009-09-29 | 2012-03-06 | Unified Designs, Inc. | Vehicle restraint system |
US8439594B1 (en) | 2011-04-19 | 2013-05-14 | Secureusa, Inc. | Shallow flush-mounted vehicle control barrier |
US8956072B2 (en) * | 2012-10-01 | 2015-02-17 | The Texas A&M University System | Surface mount wedge barrier |
US10087688B2 (en) | 2015-02-12 | 2018-10-02 | Baker Hughes, A Ge Company, Llc | Energy absorption system for subterranean tool high impact loads |
US9783074B2 (en) * | 2015-08-03 | 2017-10-10 | Hon Hai Precision Industry Co., Ltd. | Parking barrier and battery charging apparatus using same |
ITUB20160190A1 (en) * | 2016-01-22 | 2017-07-22 | Pilomat S R L | PEDESTRY MOBILE PARTICULARLY FOR CAR PARKS. |
WO2018006125A1 (en) * | 2016-07-04 | 2018-01-11 | Saferoads Pty Ltd | Energy absorbing bollard assembly |
CN106958212A (en) * | 2017-05-11 | 2017-07-18 | 严冬梅 | A kind of non-injury car arrester |
IT201900004972A1 (en) * | 2019-04-03 | 2020-10-03 | Franzini S R L | Mobile barrier for the delimitation of areas for vehicular passage. |
CN111489563B (en) * | 2020-04-23 | 2021-07-02 | 重庆交通大学 | Intelligent danger avoiding lane system and vehicle danger avoiding method |
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Also Published As
Publication number | Publication date |
---|---|
US7530759B2 (en) | 2009-05-12 |
WO2006055210A3 (en) | 2007-02-22 |
WO2006055210A2 (en) | 2006-05-26 |
EP1825065A4 (en) | 2010-01-20 |
EP1825065A2 (en) | 2007-08-29 |
US20060104713A1 (en) | 2006-05-18 |
AU2005306938A1 (en) | 2006-05-26 |
AU2005306938B2 (en) | 2010-06-03 |
CA2603861A1 (en) | 2006-05-26 |
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