CN113756220A - Highway crash barrier - Google Patents
Highway crash barrier Download PDFInfo
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- CN113756220A CN113756220A CN202111025976.0A CN202111025976A CN113756220A CN 113756220 A CN113756220 A CN 113756220A CN 202111025976 A CN202111025976 A CN 202111025976A CN 113756220 A CN113756220 A CN 113756220A
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- 230000004888 barrier function Effects 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 211
- 230000001681 protective effect Effects 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 238000010009 beating Methods 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
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Classifications
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
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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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/02—Audible signalling systems; Audible personal calling systems using only mechanical transmission
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses an expressway crash barrier, which comprises a protective guard, wherein a transmission cavity is arranged in the protective guard, and a safety protection mechanism is arranged in the transmission cavity, according to the gear transmission principle and the belt transmission principle, a deceleration belt is firstly utilized to give psychological early warning to a driver when a vehicle is about to pass through an easily-collided area, the driver is reminded of decelerating, the deceleration belt is utilized as a trigger condition, when the vehicle passes through the deceleration belt for the first time, an alarm mechanism gives out an alarm sound, a reminding mechanism extends out a crash-proof air bag with a remarkable warning strip mark, so that the driver is reminded of safely driving from the sense of hearing and vision, the damage caused by colliding the driver can be greatly reduced by the application of the crash-proof air bag, not only, but also the invention can automatically extend out an extension mechanism when the vehicle passes through, the stability of the protective guard is improved, the vehicle is prevented from being rushed down at a high speed, and secondary damage is prevented, when the automobile passes through the deceleration strip for the second time, all parts can be restored to the original positions, and the deceleration strip can be used for multiple times.
Description
Technical Field
The invention relates to the technical field of driving safety, in particular to an anti-collision guardrail for a highway.
Background
However, the conventional expressway protective fence only has a common protective function and cannot give enough warning and protection to a driver when the automobile passes through a certain accident-prone area, the probability of accidents is still very high because the driver is tired due to long-time driving, and the conventional protective fence cannot give the maximum protection to the driver, and if the automobile falls down at a high speed after breaking the protective fence, the extremely serious secondary injury can be caused to the driver.
Disclosure of Invention
The invention aims to provide an expressway crash barrier which is used for overcoming the defects in the prior art.
The highway anti-collision guardrail comprises a protective guard, wherein a transmission cavity is arranged in the protective guard, a safety protection mechanism is arranged in the transmission cavity, the safety protection mechanism comprises a first transmission shaft rotatably connected to the inner wall of the transmission cavity, symmetrical fixed boxes are arranged on the left side and the right side of the protective guard, a fixed cavity is arranged in each fixed box, a speed reducing belt extending to the upper side of each fixed box is slidably connected in each fixed cavity, a buffer groove with a downward opening is formed in each speed reducing belt, a second transmission shaft is rotatably connected in each fixed cavity, a cylinder extending into each buffer groove is arranged on each second transmission shaft, a spiral chute is arranged on each cylinder, a sliding pin which is positioned in each spiral chute and is slidably connected with each cylinder is fixedly connected to the inner wall of each buffer groove, and a buffer spring fixedly arranged on the inner wall of each fixed cavity is fixedly connected to the lower side of each speed reducing belt, the deceleration strip is characterized in that a third transmission shaft which is symmetrical around the deceleration strip is rotatably connected to the inner wall of the fixed cavity, the third transmission shaft is connected with a gear pair of the deceleration strip, a fourth transmission shaft which is symmetrical around the deceleration strip is rotatably connected to the inner wall of the fixed cavity, a ring is arranged on the fourth transmission shaft, a ratchet wheel is arranged on the third transmission shaft, a pawl which is distributed by taking the ratchet wheel as a circle center annular array is rotatably connected to the ring, a connecting spring which is fixedly connected to the ring is arranged on the pawl, a fifth transmission shaft is rotatably connected to the inner wall of the transmission cavity, a first disc is arranged on the lower side of the fifth transmission shaft, a support rod which is positioned on the front side of the first disc is fixedly connected to the inner wall of the transmission cavity, a sliding rod which is positioned on the lower side of the first disc is slidably connected to the support rod, and a transmission plate is arranged on the sliding rod, the automobile safety protection device is characterized in that a transmission groove is formed in the transmission plate, a first rotating shaft which is located in the transmission groove and is in sliding connection with the transmission plate is fixedly connected to the end face of the lower side of the first disc, an extending opening is formed in the protective guard, an air bag which is located on the rear side of the extending opening is arranged on the front side of the sliding rod, a stabilizing mechanism is further arranged in the transmission cavity, the stabilizing mechanism can be used for improving the stability of the protective guard, the protective guard is prevented from being damaged by the collision, the automobile falls at a high speed, secondary damage is caused to a driver, an alarm mechanism is further arranged in the transmission cavity, and the alarm mechanism can give an alarm sound when the automobile comes, so that the driver is reminded of safe driving.
Further, the gasbag front side is equipped with warning strip, works as the gasbag is followed stretch out mouthful back of stretching out, because the gasbag front side is equipped with warning strip, utilizes warning strip can form apparent warning effect, reminds driver safe driving.
Furthermore, the fourth transmission shaft is in transmission connection with the first transmission shaft, a sixth transmission shaft in transmission connection with the first transmission shaft is connected to the inner wall of the transmission cavity in a rotating manner, a seventh transmission shaft connected with a gear pair of the sixth transmission shaft is connected to the inner wall of the transmission cavity in a rotating manner, and the fifth transmission shaft is located on the front side of the seventh transmission shaft and is in transmission connection with the seventh transmission shaft.
Further, stabilizing mean is including setting up the epaxial second disc of seventh transmission, be equipped with on the second disc about the second pivot of seventh transmission shaft centrosymmetric, it is connected with the dwang to rotate in the second pivot, be equipped with on the transmission intracavity wall about the horizontal spout of seventh transmission shaft bilateral symmetry, horizontal spout internal sliding connection is related to seventh transmission shaft bilateral symmetry's sliding block, the sliding block downside be equipped with the dwang rotates the third pivot of connecting.
Furthermore, a pushing rod is arranged on one side, far away from the seventh transmission shaft, of the sliding block, the protective guard is connected with an expansion block which is bilaterally symmetrical relative to the seventh transmission shaft, the expansion block extends to the rear side of the protective guard, an inclined block located in the transmission cavity is arranged on the expansion block, an inclined plane far away from the seventh transmission shaft is arranged on the inclined block, a reset spring is arranged in the direction far away from the seventh transmission shaft of the inclined block, a reset sliding block which is connected to the inner wall of the transmission cavity in a sliding mode is arranged on the reset spring, and the contact area between the protective guard and the ground can be increased by means of the expanded expansion block, so that the stability of the protective guard is improved, and the protective guard is prevented from being broken down by an automobile and causing the automobile to fall.
Further, alarm mechanism is including setting up the third disc of sixth transmission shaft front side, it is located to rotate to be connected with on the transmission intracavity wall the fourth pivot of sixth transmission shaft downside, it is located to rotate to be connected with in the fourth pivot the swing board of third disc front side, be equipped with vertical spout on the swing board, be equipped with on the third disc and be located in the vertical spout and with swing board sliding connection's fifth pivot, the swing board downside is equipped with sector gear.
Furthermore, a supporting plate which is bilaterally symmetrical about the fourth rotating shaft is arranged on the inner wall of the transmission cavity, a horizontal rack which is positioned on the lower side of the sector gear is connected to the supporting plate in a sliding mode, the horizontal rack is meshed with the supporting plate, symmetrical beating hammers are arranged on the left side and the right side of the horizontal rack, an alarm bell which is bilaterally symmetrical about the fourth rotating shaft is fixedly connected to the inner wall of the transmission cavity in an ascending mode, the alarm bell can be impacted by the beating hammers, and therefore an alarm sound is given out to remind a driver of driving safely.
The invention has the beneficial effects that: according to the gear transmission principle and the belt transmission principle, the deceleration belt is used for giving psychological early warning to a driver when the vehicle is about to pass through an easily-collided area to remind the driver of decelerating, the deceleration belt is used as a trigger condition, when the vehicle passes through the deceleration belt for the first time, the alarm mechanism gives an alarm sound, the reminding mechanism stretches out the anti-collision air bag with the obvious warning strip mark, so that the driver is reminded of safely driving from the hearing and the vision, the damage caused by colliding the driver can be greatly reduced due to the application of the anti-collision air bag, not only can the expansion mechanism be automatically stretched out when the vehicle passes through, the stability of the protective guard is improved, the vehicle is prevented from being rushed down at a high speed to cause secondary damage, and each part can be restored to the original position when the vehicle passes through the deceleration belt for the second time, and the vehicle can be used for multiple times.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the overall structure of a highway crash barrier of the present invention;
FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of B-B of FIG. 2 according to the present invention;
FIG. 5 is a schematic view of C-C of FIG. 3 according to the present invention;
in the figure:
11. protecting the fence; 12. a transmission cavity; 25. a first drive shaft; 13. a fixed box; 14. a fixed cavity; 15. a speed bump; 18. a buffer tank; 59. a second drive shaft; 16. a cylinder; 17. a spiral chute; 19. a slide pin; 20. a buffer spring; 21. a third drive shaft; 24. a fourth drive shaft; 23. a circular ring; 22. a ratchet wheel; 61. a pawl; 62. a connecting spring; 49. a fifth drive shaft; 50. a first disc; 54. a support bar; 55. a slide bar; 52. a drive plate; 53. a transmission groove; 51. a first rotating shaft; 58. an extension opening; 56. an air bag; 57. a warning strip; 26. a sixth drive shaft; 37. a seventh drive shaft; 38. a second disc; 39. a second rotating shaft; 40. rotating the rod; 48. a horizontal chute; 42. a slider; 41. a third rotating shaft; 43. a push rod; 44. an extension block; 45. an inclined block; 46. a return spring; 47. resetting the sliding block; 27. a third disc; 29. a fourth rotating shaft; 30. a swing plate; 31. a vertical chute; 28. a fifth rotating shaft; 32. a sector gear; 34. a support plate; 33. a horizontal rack; 35. knocking a hammer; 36. an alarm bell; 901. a safety protection mechanism; 902. a stabilizing mechanism; 903. an alarm mechanism.
Detailed Description
For purposes of making the objects and advantages of this invention more apparent, the following detailed description of the invention, taken in conjunction with the examples, should be understood that the following text is only intended to describe one or several specific embodiments of the invention, and does not strictly limit the scope of the invention as specifically claimed, as the terms up, down, left and right are not limited to their strict geometric definitions, but include tolerances for reasonable and inconsistent machining or human error, the following detailed description of specific features of such a highway crash barrier being given:
referring to fig. 1-5, an anti-collision guardrail for a highway according to an embodiment of the present invention includes a protective guard 11, a transmission cavity 12 is disposed in the protective guard 11, a safety protection mechanism 901 is disposed in the transmission cavity 12, the safety protection mechanism 901 includes a first transmission shaft 25 rotatably connected to an inner wall of the transmission cavity 12, symmetrical fixed boxes 13 are disposed on left and right sides of the protective guard 11, a fixed cavity 14 is disposed in the fixed box 13, a deceleration strip 15 extending to an upper side of the fixed box 13 is slidably connected in the fixed cavity 14, a buffer slot 18 with a downward opening is disposed in the deceleration strip 15, a second transmission shaft 59 is rotatably connected to the fixed cavity 14, a cylinder 16 extending into the buffer slot 18 is disposed on the second transmission shaft 59, a spiral chute 17 is disposed on the cylinder 16, a sliding pin 19 located in the spiral chute 17 and slidably connected to the cylinder 16 is fixedly connected to an inner wall of the buffer slot 18, the lower side of the deceleration strip 15 is fixedly connected with a buffer spring 20 fixedly arranged on the inner wall of the fixed cavity 14, the inner wall of the fixed cavity 14 is rotatably connected with a third transmission shaft 21 which is symmetrical front and back of the deceleration strip 15, the third transmission shaft 21 is connected with a gear pair of the deceleration strip 15, the inner wall of the fixed cavity 14 is rotatably connected with a fourth transmission shaft 24 which is symmetrical front and back of the deceleration strip 15, the fourth transmission shaft 24 is provided with a ring 23, the third transmission shaft 21 is provided with a ratchet wheel 22, the ring 23 is rotatably connected with pawls 61 which are distributed by taking the ratchet wheel 22 as a circle center in an annular array manner, the pawls 61 are provided with connecting springs 62 fixedly connected to the ring 23, the inner wall of the transmission cavity 12 is rotatably connected with a fifth transmission shaft 49, the lower side of the fifth transmission shaft 49 is provided with a first disc 50, and the inner wall of the transmission cavity 12 is fixedly connected with a support rod 54 positioned in front of the first disc 50, the supporting rod 54 is slidably connected with a sliding rod 55 located on the lower side of the first disc 50, the sliding rod 55 is provided with a transmission plate 52, a transmission groove 53 is arranged in the transmission plate 52, the lower end face of the first disc 50 is fixedly connected with a first rotating shaft 51 located in the transmission groove 53 and slidably connected with the transmission plate 52, the guard rail 11 is provided with an extending port 58, the front side of the sliding rod 55 is provided with an air bag 56 located on the rear side of the extending port 58, when a vehicle passes through the speed reducing belt 15, psychological hint can be given to a driver by bumping caused by the speed reducing belt 15 so as to prompt the driver to reduce the speed, when the fifth transmission shaft 49 rotates, the first disc 50 can be driven to rotate, so that the first rotating shaft 51 is driven to rotate by taking the fifth transmission shaft 49 as the center of the circle, and due to the action of the transmission groove 53, the sliding rod 55 can be driven to slide forwards, therefore, the air bag 56 is driven to slide to the front side of the protective guard 11 through the extension port 58, namely, a safety air bag is formed on the front side of the extension port 58 by the air bag 56, the injury of a driver after the driver collides the protective guard is reduced, the stable mechanism 902 is further arranged in the transmission cavity 12, the stability of the protective guard can be improved by the stable mechanism 902, the protective guard is prevented from being damaged by the collision, the automobile falls at high speed, secondary injury is caused to the driver, the alarm mechanism 903 is further arranged in the transmission cavity 12, and the alarm mechanism 903 can give an alarm sound when the automobile comes, so that the driver is reminded of driving safely.
Beneficially, the front side of the air bag 56 is provided with the warning strip 57, and after the air bag 56 extends out of the extending opening 58, due to the fact that the warning strip 57 is arranged on the front side of the air bag 56, a remarkable warning effect can be formed by means of the warning strip 57, and a driver is reminded of driving safely.
Advantageously, the fourth transmission shaft 24 is in belt-driven connection with the first transmission shaft 25, the sixth transmission shaft 26 in belt-driven connection with the first transmission shaft 25 is rotatably connected to the inner wall of the transmission cavity 12, the seventh transmission shaft 37 in gear pair connection with the sixth transmission shaft 26 is rotatably connected to the inner wall of the transmission cavity 12, the fifth transmission shaft 49 is located in front of the seventh transmission shaft 37 and is in belt-driven connection with the seventh transmission shaft 37, when the vehicle presses the deceleration strip 15 located on the right side of the guard rail 11, the deceleration strip 15 slides downwards, the buffer spring 20 compresses, thereby driving the sliding pin 19 to slide downwards, due to the effect of the spiral chute 17, the second transmission shaft 59 is driven to rotate through the screw transmission principle, and the third transmission shaft 21 is driven to rotate through the gear transmission principle, namely, the ratchet wheel 22 rotates, when the ratchet wheel 22 rotates, the pawl 61 abuts against the ratchet wheel 22 to drive the ring 23 to rotate, so as to drive the fourth transmission shaft 24 to rotate, the first transmission shaft 25 can be driven to rotate, so as to drive the sixth transmission shaft 26 to rotate, the seventh transmission shaft 37 can be driven to rotate for half a turn by a gear transmission principle, the fifth transmission shaft 49 can rotate for half a turn by a belt transmission principle, when the vehicle leaves the speed reducing belt 15, the speed reducing belt 15 is reset under the action of the buffer spring 20, the second transmission shaft 59 rotates reversely, due to the action of the pawl 61, the pawl 61 does not abut against the ratchet wheel 22, so that the ratchet wheel 22 cannot drive the ring 23 to rotate when rotating reversely, when the vehicle passes through the speed reducing belt 15 on the left side, through the connection and the extremely moving relation, the seventh transmission shaft 37 rotates in the reverse direction for a half circle, the fifth transmission shaft 49 rotates in the reverse direction for a half circle, and all parts return to the original positions.
Advantageously, the stabilizing mechanism 902 includes a second circular disk 38 disposed on the seventh transmission shaft 37, a second rotation shaft 39 centrally symmetric with respect to the seventh transmission shaft 37 is disposed on the second circular disk 38, a rotation rod 40 is rotatably connected to the second rotation shaft 39, a horizontal sliding slot 48 bilaterally symmetric with respect to the seventh transmission shaft 37 is disposed on the inner wall of the transmission cavity 12, a sliding block 42 bilaterally symmetric with respect to the seventh transmission shaft 37 is slidably connected in the horizontal sliding slot 48, a third rotation shaft 41 rotatably connected to the rotation rod 40 is disposed on the lower side of the sliding block 42, and when the seventh transmission shaft 37 rotates, the second rotation shaft 39 can be driven to rotate around the seventh transmission shaft 37, so as to drive the sliding block 42 bilaterally symmetric to slide in the horizontal sliding slot 48 and to move away from the seventh transmission shaft 37.
Advantageously, a pushing rod 43 is disposed on the side of the sliding block 42 away from the seventh transmission shaft 37, the protective guard 11 is connected with an expanding block 44 which is bilaterally symmetric with respect to the seventh transmission shaft 37, the expanding block 44 extends to the rear side of the protective guard 11, an inclined block 45 disposed in the transmission cavity 12 is disposed on the expanding block 44, the inclined block 45 has an inclined surface away from the seventh transmission shaft 37, a return spring 46 is disposed on the inclined block 45 away from the seventh transmission shaft 37, a return slider 47 slidably connected to the inner wall of the transmission cavity 12 is disposed on the return spring 46, when the symmetric sliding blocks 42 simultaneously slide away from the seventh transmission shaft 37, the pushing rod 43 and the inclined surface on the inclined block 45 can be driven to abut against each other, so as to drive the inclined block 45 to slide towards the rear side, therefore, the extension block 44 is driven to extend to the rear side of the guard rail 11, and the extended extension block 44 can increase the contact area between the guard rail 11 and the ground, so that the stability of the guard rail 11 is increased, and the guard rail 11 is prevented from being broken down by an automobile to cause the automobile to fall.
Advantageously, said alarm means 903 comprise a third disc 27 arranged on the front side of said sixth transmission shaft 26, a fourth rotating shaft 29 positioned at the lower side of the sixth transmission shaft 26 is rotatably connected to the inner wall of the transmission cavity 12, a swing plate 30 positioned at the front side of the third disc 27 is rotatably connected to the fourth rotating shaft 29, a vertical chute 31 is arranged on the swinging plate 30, a fifth rotating shaft 28 which is positioned in the vertical chute 31 and is connected with the swinging plate 30 in a sliding way is arranged on the third round plate 27, the swing plate 30 is provided at a lower side thereof with a sector gear 32 which, when the sixth transmission shaft 26 rotates, the third disc 27 is driven to rotate, so as to drive the fifth rotating shaft 28 to rotate around the sixth transmission shaft 26, thereby driving the swing plate 30 to swing left and right around the fourth rotating shaft 29, that is, the sector gear 32 swings left and right around the fourth rotating shaft 29.
Beneficially, a supporting plate 34 which is bilaterally symmetric about the fourth rotating shaft 29 is arranged on the inner wall of the transmission cavity 12, a horizontal rack 33 which is located on the lower side of the sector gear 32 is slidably connected to the supporting plate 34, the horizontal rack 33 is engaged with the supporting plate 34, striking hammers 35 which are symmetric are arranged on the left side and the right side of the horizontal rack 33, an alarm bell 36 which is bilaterally symmetric about the fourth rotating shaft 29 is fixedly connected to the inner wall of the transmission cavity 12 in an upward direction, when the sector gear 32 swings left and right around the fourth rotating shaft 29, the horizontal rack 33 can be driven to slide left and right through an engagement transmission principle, so that the striking hammers 35 are driven to slide left and right, the alarm bell 36 can be struck by the striking hammers 35, and an alarm sound can be given to remind a driver of driving safely.
The invention relates to an expressway crash barrier, which comprises the following working procedures:
when the deceleration strip 15 on the right side of the protective guard 11 is pressed by an automobile, the deceleration strip 15 slides downwards, the buffer spring 20 is compressed, so that the sliding pin 19 is driven to slide downwards, the second transmission shaft 59 can be driven to rotate by the screw transmission principle due to the action of the spiral chute 17, the third transmission shaft 21, namely the ratchet wheel 22, is driven to rotate by the gear transmission principle, the pawl 61 is abutted against the ratchet wheel 22 when the ratchet wheel 22 rotates, so that the circular ring 23 can be driven to rotate, so that the fourth transmission shaft 24 can be driven to rotate, the first transmission shaft 25 can be driven to rotate by the belt transmission principle, so that the sixth transmission shaft 26 is driven to rotate, the seventh transmission shaft 37 can be driven to rotate for half a turn by the gear transmission principle, the fifth transmission shaft 49 rotates for half a turn by the belt transmission principle, when the automobile leaves the deceleration strip 15, the deceleration strip 15 is reset under the action of the buffer spring 20, the second transmission shaft 59 rotates reversely, the pawl 61 is not abutted against the ratchet wheel 22 any more due to the action of the pawl 61, so the ratchet wheel 22 cannot drive the ring 23 to rotate when rotating reversely, when a vehicle passes through the speed bump 15, psychological suggestion can be given to a driver by utilizing jolt caused by the speed bump 15 so as to prompt the driver to decelerate, when the fifth transmission shaft 49 rotates, the first disc 50 can be driven to rotate, so the first rotating shaft 51 is driven to rotate by taking the fifth transmission shaft 49 as a circle center, the sliding rod 55 can be driven to slide forwards due to the action of the transmission groove 53, so the air bag 56 is driven to slide to the front side of the protective guard 11 through the extension opening 58, namely, the air bag 56 can be utilized to form a safety air bag in front of the extension opening 58 so as to reduce injury of the driver after impacting the protective guard, when the air bag 56 extends out from the extension opening 58, because the front side of the air bag 56 is provided with the warning strip 57, a remarkable warning effect can be formed by utilizing the warning strip 57, reminding the driver of safe driving;
meanwhile, when the seventh transmission shaft 37 rotates, the second rotation shaft 39 can be driven to rotate around the seventh transmission shaft 37, so that the bilaterally symmetrical sliding blocks 42 are driven to slide in the horizontal sliding grooves 48 in the direction away from the seventh transmission shaft 37, and when the symmetrical sliding blocks 42 slide in the direction away from the seventh transmission shaft 37, the pushing rods 43 can be driven to abut against the inclined surfaces on the inclined blocks 45, so that the inclined blocks 45 are driven to slide towards the rear side, so that the expansion blocks 44 are driven to extend out of the rear side of the protective guard 11, and the contact area between the protective guard 11 and the ground can be increased by utilizing the expanded expansion blocks 44, so that the stability of the protective guard 11 is increased, and the protective guard 11 is prevented from being broken down by an automobile to cause the automobile to fall;
meanwhile, when the sixth transmission shaft 26 rotates, the third disc 27 is driven to rotate, so that the fifth rotating shaft 28 is driven to rotate by taking the sixth transmission shaft 26 as a center, and the swinging plate 30 is driven to swing left and right by taking the fourth rotating shaft 29 as a center, namely, the sector gear 32 swings left and right by taking the fourth rotating shaft 29 as a circle center, and through the meshing transmission principle, the horizontal rack 33 can be driven to slide left and right, so that the striking hammer 35 can be driven to slide left and right, and the warning bell 36 can be struck by the striking hammer 35, so that a warning sound is given out, and a driver is reminded of driving safely;
when the vehicle passes through the speed bump 15 on the left side, the seventh transmission shaft 37 rotates in the reverse direction for half a turn and the fifth transmission shaft 49 rotates in the reverse direction for half a turn through the connection and the movement relationship, and all parts return to the original positions. It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (7)
1. The utility model provides a highway anticollision barrier, includes rail guard, its characterized in that: the safety protection device is characterized in that a transmission cavity is arranged in the guard rail, a safety protection mechanism is arranged in the transmission cavity, the safety protection mechanism comprises a first transmission shaft which is rotatably connected to the inner wall of the transmission cavity, symmetrical fixed boxes are arranged on the left side and the right side of the guard rail, fixed cavities are arranged in the fixed boxes, a deceleration strip which extends to the upper side of the fixed boxes is slidably connected in the fixed cavities, a buffer groove with a downward opening is arranged in the deceleration strip, a second transmission shaft is rotatably connected in the fixed cavities, a cylinder which extends into the buffer groove is arranged on the second transmission shaft, a spiral chute is arranged on the cylinder, a sliding pin which is positioned in the spiral chute and is slidably connected with the cylinder is fixedly connected on the inner wall of the buffer groove, a buffer spring which is fixedly arranged on the inner wall of the fixed cavity is fixedly connected on the lower side of the deceleration strip, and a third transmission shaft which is rotationally connected to the inner wall of the fixed cavity and is symmetrical with the deceleration strip in the front and back direction, the third transmission shaft is connected with the deceleration strip gear pair, a fourth transmission shaft which is symmetrical around the deceleration strip is rotatably connected on the inner wall of the fixed cavity, a ring is arranged on the fourth transmission shaft, a ratchet wheel is arranged on the third transmission shaft, a pawl which is distributed by taking the ratchet wheel as a circle center annular array is rotatably connected on the ring, a connecting spring which is fixedly connected on the ring is arranged on the pawl, a fifth transmission shaft is rotatably connected on the inner wall of the transmission cavity, a first disc is arranged on the lower side of the fifth transmission shaft, a support rod which is positioned on the front side of the first disc is fixedly connected on the inner wall of the transmission cavity, a sliding rod which is positioned on the lower side of the first disc is slidably connected on the support rod, a transmission plate is arranged on the sliding rod, a transmission groove is arranged in the transmission plate, and a first rotating shaft which is positioned in the transmission groove and is slidably connected with the transmission plate is fixedly connected on the end surface of the lower side of the first disc, the safety guard is characterized in that a stretching opening is formed in the safety guard, an air bag located on the rear side of the stretching opening is arranged on the front side of the sliding rod, a stabilizing mechanism is further arranged in the transmission cavity, and an alarm mechanism is further arranged in the transmission cavity.
2. A highway crash barrier according to claim 1, wherein: and a warning strip is arranged on the front side of the air bag.
3. A highway crash barrier according to claim 1, wherein: the fourth transmission shaft is in transmission connection with the first transmission shaft, the inner wall of the transmission cavity is connected with a sixth transmission shaft in transmission connection with the first transmission shaft, the inner wall of the transmission cavity is connected with a seventh transmission shaft in transmission connection with a gear pair of the sixth transmission shaft, and the fifth transmission shaft is located on the front side of the seventh transmission shaft and in transmission connection with the seventh transmission shaft.
4. A highway crash barrier according to claim 3, wherein: stabilizing mean is including setting up the epaxial second disc of seventh transmission, be equipped with on the second disc about the second pivot of seventh transmission central symmetry, it is connected with the dwang to rotate in the second pivot, be equipped with on the transmission intracavity wall about the horizontal spout of seventh transmission shaft bilateral symmetry, horizontal spout internal sliding connection is related to the sliding block of seventh transmission shaft bilateral symmetry, the sliding block downside be equipped with the dwang rotates the third pivot of connecting.
5. A highway crash barrier according to claim 4, characterized in that: the sliding block is provided with a pushing rod on one side far away from the seventh transmission shaft, the protective guard is connected with an expansion block which is bilaterally symmetrical about the seventh transmission shaft, the expansion block extends to the rear side of the protective guard, the expansion block is provided with an inclined block positioned in the transmission cavity, the inclined block is provided with an inclined plane far away from the seventh transmission shaft, the inclined block is provided with a reset spring far away from the seventh transmission shaft, and the reset spring is provided with a reset sliding block which is connected to the inner wall of the transmission cavity in a sliding manner.
6. A highway crash barrier according to claim 3, wherein: alarm mechanism is including setting up the third disc of sixth transmission shaft front side, it is located to rotate to be connected with on the transmission intracavity wall the fourth pivot of sixth transmission shaft downside, it is located to rotate to be connected with in the fourth pivot the swing board of third disc front side, be equipped with vertical spout on the swing board, be equipped with on the third disc and be located in the vertical spout and with swing board sliding connection's fifth pivot, the swing board downside is equipped with sector gear.
7. A highway crash barrier according to claim 6, wherein: the inner wall of the transmission cavity is provided with a supporting plate which is bilaterally symmetrical about the fourth rotating shaft, the supporting plate is connected with a horizontal rack which is positioned on the lower side of the sector gear in a sliding mode, the horizontal rack is meshed with the supporting plate, the left side and the right side of the horizontal rack are provided with symmetrical beating hammers, and the inner wall of the transmission cavity is fixedly connected with an alarm bell which is bilaterally symmetrical about the fourth rotating shaft in an ascending mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111025976.0A CN113756220A (en) | 2021-09-02 | 2021-09-02 | Highway crash barrier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111025976.0A CN113756220A (en) | 2021-09-02 | 2021-09-02 | Highway crash barrier |
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| CN113756220A true CN113756220A (en) | 2021-12-07 |
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Application publication date: 20211207 |
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