CN112252227B - Early warning formula anticollision limit for height frame for bridge - Google Patents
Early warning formula anticollision limit for height frame for bridge Download PDFInfo
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- CN112252227B CN112252227B CN202011132803.4A CN202011132803A CN112252227B CN 112252227 B CN112252227 B CN 112252227B CN 202011132803 A CN202011132803 A CN 202011132803A CN 112252227 B CN112252227 B CN 112252227B
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- 230000000670 limiting effect Effects 0.000 claims abstract description 113
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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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
- E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
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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
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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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
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
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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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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention provides an early warning type anti-collision height limiting frame for a bridge. The early warning type anti-collision height limiting frame for the bridge comprises a cross beam; the main body structure comprises a front upright post, a first sliding groove, a rear upright post and a second sliding groove; the warning structure comprises a lifting rod, a rotating ring, a height limiting plate, a loudspeaker, a warning lamp and a height limiting mark; a positioning structure; the buffer structure comprises a sliding block, an embedded groove, a rack, a buffer plate, a first oil groove, a second oil groove, a connecting hole and a first spring; the height limiting structure comprises a connecting plate, a height limiting rod, an embedded block and a supporting groove; the transmission structure comprises a first gear, a second gear, a transmission chain, a third gear, a connecting chain, a positioning block, a limiting tooth, a torsion spring and a second spring. The early warning type anti-collision height limiting frame for the bridge has the advantages of reducing collision impact, being convenient to replace and having accident early warning.
Description
Technical Field
The invention relates to the technical field of road administration, in particular to an early warning type anti-collision height limiting frame for a bridge.
Background
The height limiting frame has the functions of warning drivers and limiting ultrahigh vehicles from entering a limited height road section, a bridge or a culvert and the like. Drivers driving vehicles usually know that the height of the drivers is not in accordance with the specified requirements but is not far away from the specified requirements, and the drivers are keen to lose luck and try to go away, and the behaviors often damage the height limiting device, and simultaneously generate huge impact on ultrahigh vehicles, so that the vehicles are damaged, and even traffic accidents are caused in serious cases, so that the life safety of the drivers is threatened; the height limiting frame collapses after collision, so that the road is obstructed and no warning is given, a rear vehicle is difficult to respond in time, and unnecessary traffic accidents are easily caused; most of the height-limiting frames are disposable and are difficult to repair after being damaged, and only can be replaced with new ones, but the replacement of the height-limiting frames is very troublesome, the normal running of vehicles on the road section can be influenced, and in the past, the cost for refitting the height-limiting devices is extremely high.
Therefore, there is a need to provide a new pre-warning type anti-collision height-limiting frame for bridges to solve the above-mentioned technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides an early warning type anti-collision height limiting frame for a bridge, which can reduce collision impact, is convenient to replace and has accident early warning.
The invention provides an early warning type anti-collision height limiting frame for a bridge, which comprises: a cross beam; the main body structure is fixedly connected with two ends of the cross beam and comprises a front upright post, a first sliding groove, a rear upright post and a second sliding groove, the front upright post is fixed at one end of the cross beam, the first sliding groove is formed in the inner side wall of the front upright post, the rear upright post is fixed at the other end of the cross beam, and the second sliding groove is formed in the inner side wall of the rear upright post; the warning structure is connected with the first sliding groove in a sliding mode and comprises a lifting rod, rotating rings, a height limiting plate, a loudspeaker, warning lamps and a height limiting mark, two ends of the lifting rod are connected inside the first sliding groove in a sliding mode respectively, the two rotating rings are connected with the lifting rod in a rotating mode, the top of the height limiting plate is fixed to the bottom of the rotating rings, the loudspeaker and the warning lamps are mounted on the top surface of the lifting rod, and the height limiting mark is attached to the front face of the height limiting plate; the positioning structure is connected to the inner part of the cross beam in a sliding manner; the buffer structure is arranged inside the rear upright post and comprises a sliding block, an embedded groove, a rack, a buffer plate, a first oil groove, a second oil groove, a connecting hole and a first spring, the sliding block is connected with the second sliding groove and the inner part of the rear upright post in a sliding way, the embedded groove is arranged on the surface of the sliding block, the rack is fixed on the top surface of the sliding block, one end of the buffer plate is fixed on the side wall of the sliding block, the buffer plate is connected with the inner part of the rear upright post in a sliding way, the first oil groove is arranged in the buffer plate, the second oil groove is arranged inside the rear upright post, the connecting hole is arranged between the first oil groove and the second oil groove, the first spring is arranged inside the rear upright post, and the other end of the buffer plate abuts against the first spring; the height limiting structure is connected with the embedding groove in a clamping mode and comprises a connecting plate, a height limiting rod, an embedding block and a supporting groove, the connecting plate is connected inside the second sliding groove in a sliding mode, the back face of the connecting plate abuts against the surface of the sliding block, the embedding block is fixed to the back face of the connecting plate, the supporting groove penetrates through the connecting plate, and the height limiting rod is connected with the supporting groove in a clamping mode; the transmission structure is arranged in the cross beam and comprises a first gear, a second gear, a transmission chain, a third gear, a connecting chain, a positioning block, a limiting tooth, a torsion spring and a second spring, the first gear is rotatably connected to the inside of the other end of the cross beam, the first gear is meshed with the rack and is connected with the rack, the second gear is fixed to the side wall of the first gear, the transmission chain is rotatably connected with the second gear, the third gear is rotatably connected to the inside of one end of the cross beam, the third gear is rotatably connected with the transmission chain, the connecting chain is slidably connected to the inside of the cross beam and is meshed with the third gear, one end of the connecting chain is fixed to the two ends of the lifting rod, and the positioning block is slidably connected to the inside of the cross beam, the other end of the connecting chain is fixed on the side wall of the positioning block, the limiting tooth is connected to the top end of the positioning block in a rotating mode, the limiting tooth is connected with the positioning block in a rotating mode through the torsion spring, the second spring is installed inside the cross beam, and one end of the second spring is fixed on the side wall of the positioning block.
Preferably, the main structure further comprises speed bumps and stabilizing columns, the two speed bumps are respectively installed on the ground right in front of the front stand column and the rear stand column, one end of each stabilizing column is installed on the side wall of the rear stand column, and the other end of each stabilizing column is fixed on the ground.
Preferably, the speaker and the warning light are electrically connected, and the rotating ring and the speaker and the warning light are electrically connected.
Preferably, the location structure includes spacing lid, location rack and slide bar, spacing lid with the top surface threaded connection of crossbeam, location rack sliding connection in the inside of crossbeam, the bottom mounting of slide bar is in the top surface of location rack, just spacing lid is contradicted the top surface of slide bar.
Preferably, buffer structure still includes the pulley, a plurality of the pulley install in the lateral wall of sliding block, just the pulley with the inside sliding connection of back stand.
Preferably, the first oil groove and the second oil groove are communicated through the connecting hole, and the diameter of the connecting hole is smaller than that of the first oil groove and that of the second oil groove.
Preferably, the length of the height limiting rod is equal to the vertical distance between the two rear upright columns, and the bottom edge of the height limiting plate and the bottom edge of the height limiting rod are at the same height.
Preferably, the fitting block is engaged with the fitting groove, and ends of the fitting groove and the fitting block are inclined downward at the same angle.
Preferably, the limiting teeth abut against the positioning rack, and the limiting teeth are connected with the positioning rack in a clamping manner.
Compared with the related art, the early warning type anti-collision height limiting frame for the bridge has the following beneficial effects:
the invention provides an early warning type anti-collision height limiting frame for a bridge, which is characterized in that a warning structure is arranged in front of a height limiting rod, so that a driver of an ultrahigh vehicle can be reminded of timely stopping or detouring in advance, the collision risk of the ultrahigh vehicle is effectively reduced, a roadblock can be timely arranged once collision occurs, a subsequent vehicle is intercepted, and the warning structure is matched with a loudspeaker and a warning lamp to remind the subsequent vehicle of avoiding; furthermore, utilize oil pressure shock attenuation and spring buffering duplicate protection, can greatly reduced the collision right the impact that major structure brought effectively reduces to strike right major structure's damage cooperates simultaneously the connecting plate with between the sliding block with limit for height pole with special connection between the connecting plate can in time let the position of being hit and main part separation, avoids strikeing too big right major structure causes serious damage, only needs to change after the emergence collision the connecting plate with limit for height pole, no longer need whole changes, practices thrift the cost, has avoided the wasting of resources, and it is simple and convenient to change moreover, and is little to the traffic influence.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the early warning type anti-collision height-limiting frame for a bridge according to the present invention;
FIG. 2 is a schematic cross-sectional view of the height limiting structure and the transmission structure shown in FIG. 1;
FIG. 3 is an enlarged view of area A shown in FIG. 2;
FIG. 4 is a schematic structural view of the main body structure shown in FIG. 1;
FIG. 5 is a schematic cross-sectional view of the body structure shown in FIG. 1;
FIG. 6 is an enlarged schematic view of region B shown in FIG. 5;
FIG. 7 is an enlarged schematic view of region C shown in FIG. 5;
fig. 8 is a schematic structural view of the back surface of the connection plate shown in fig. 1.
Reference numbers in the figures: 1. a cross beam, 2, a main body structure, 21, a front upright post, 22, a first sliding groove, 23, a speed reducing belt, 24, a rear upright post, 25, a second sliding groove, 26, a stabilizing post, 3, a warning structure, 31, a lifting rod, 32, a rotating ring, 33, a height limiting plate, 34, a loudspeaker, 35, a warning lamp, 36, a height limiting mark, 4, a positioning structure, 41, a limiting cover, 42, a positioning rack, 43, a sliding rod, 5, a buffering structure, 51, a sliding block, 52, a pulley, 53, a embedding groove, 54, a rack, 55, a buffering plate, 56, a first oil groove, 57, a second oil groove, 58, a connecting hole, 59, a first spring, 6, a height limiting structure, 61, a connecting plate, 62, a height limiting rod, 63, an embedding block, 64, a supporting groove, 7, a transmission structure, 71, a first gear, 72, a second gear, 73, a transmission chain, 74, a third gear, 75, a connecting chain, 76 and a positioning block, 77. limit teeth 78, torsion spring 79 and second spring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of the pre-warning type anti-collision height-limiting frame for a bridge according to the present invention; FIG. 2 is a schematic cross-sectional view of the height limiting structure and the transmission structure shown in FIG. 1; FIG. 3 is an enlarged view of area A shown in FIG. 2; FIG. 4 is a schematic structural view of the main body structure shown in FIG. 1; FIG. 5 is a schematic cross-sectional view of the body structure shown in FIG. 1; FIG. 6 is an enlarged schematic view of region B shown in FIG. 5; FIG. 7 is an enlarged schematic view of region C shown in FIG. 5; fig. 8 is a schematic structural view of the back surface of the connection plate shown in fig. 1. Early warning formula anticollision limit for height frame for bridge includes: a cross beam 1; the main structure 2 is fixedly connected with two ends of the cross beam 1, the main structure 2 comprises a front upright post 21, a first sliding groove 22, a rear upright post 24 and a second sliding groove 25, the front upright post 21 is fixed at one end of the cross beam 1, the first sliding groove 22 is arranged on the inner side wall of the front upright post 21, the rear upright post 24 is fixed at the other end of the cross beam 1, and the second sliding groove 25 is arranged on the inner side wall of the rear upright post 24; the warning structure 3 is slidably connected with the first chute 22, the warning structure 3 comprises a lifting rod 31, rotating rings 32, a height limiting plate 33, a loudspeaker 34, a warning lamp 35 and a height limiting mark 36, two ends of the lifting rod 31 are respectively slidably connected with the inside of the first chute 22, the two rotating rings 32 are rotatably connected with the lifting rod 31, the top of the height limiting plate 33 is fixed at the bottom of the rotating rings 32, the loudspeaker 34 and the warning lamp 35 are mounted on the top surface of the lifting rod 31, and the height limiting mark 36 is attached to the front surface of the height limiting plate 33; the positioning structure 4 is connected to the inner part of the cross beam 1 in a sliding manner; the buffer structure 5 is installed inside the rear upright post 24, the buffer structure 5 includes a sliding block 51, a fitting groove 53, a rack 54, a buffer plate 55, a first oil groove 56, a second oil groove 57, a connecting hole 58 and a first spring 59, the sliding block 51 is slidably connected with the second sliding groove 25 and the inside of the rear upright post 24, the fitting groove 53 is arranged on the surface of the sliding block 51, the rack 54 is fixed on the top surface of the sliding block 51, one end of the buffer plate 55 is fixed on the side wall of the sliding block 51, the buffer plate 55 is slidably connected with the inside of the rear upright post 24, the first oil groove 56 is arranged inside the buffer plate 55, the second oil groove 57 is arranged inside the rear upright post 24, the connecting hole 58 is arranged between the first oil groove 56 and the second oil groove 57, and the first spring 59 is installed inside the rear upright post 24, and the other end of the buffer plate 55 abuts against the first spring 59; the height limiting structure 6 is clamped and connected with the embedding groove 53, the height limiting structure 6 comprises a connecting plate 61, a height limiting rod 62, an embedding block 63 and a supporting groove 64, the connecting plate 61 is connected inside the second sliding groove 25 in a sliding mode, the back face of the connecting plate 61 abuts against the surface of the sliding block 51, the embedding block 63 is fixed on the back face of the connecting plate 61, the supporting groove 64 penetrates through the connecting plate 61, and the height limiting rod 62 is clamped and connected with the supporting groove 64; the transmission structure 7 is installed inside the cross beam 1, the transmission structure 7 includes a first gear 71, a second gear 72, a transmission chain 73, a third gear 74, a connecting chain 75, a positioning block 76, a limiting tooth 77, a torsion spring 78 and a second spring 79, the first gear 71 is rotatably connected inside the other end of the cross beam 1, the first gear 71 is engaged with the rack 54, the second gear 72 is fixed on the side wall of the first gear 71, the transmission chain 73 is rotatably connected with the second gear 72, the third gear 74 is rotatably connected inside one end of the cross beam 1, the third gear 74 is rotatably connected with the transmission chain 73, the connecting chain 75 is slidably connected inside the cross beam 1, the connecting chain 75 is engaged with the third gear 74, and one end of the connecting chain 75 is fixed at two ends of the lifting rod 31, the positioning block 76 is slidably connected to the inside of the cross beam 1, the other end of the connecting chain 75 is fixed to the side wall of the positioning block 76, the limiting tooth 77 is rotatably connected to the top end of the positioning block 76, the limiting tooth 77 is rotatably connected to the positioning block 76 through the torsion spring 78, the second spring 79 is installed inside the cross beam 1, and one end of the second spring 79 is fixed to the side wall of the positioning block 76.
In a specific implementation process, as shown in fig. 1, the main body structure 2 further includes deceleration strips 23 and stabilizing columns 26, the deceleration strips 23 are respectively installed on the ground right in front of the front pillar 21 and the rear pillar 25, one end of each stabilizing column 26 is installed on a side wall of the rear pillar 25, and the other end is fixed on the ground; the deceleration strip 23 can effectively reduce the running speed of the vehicle, so that the impact force generated when the vehicle impacts the height limiting equipment is reduced, and the destructive force to the height limiting equipment is reduced; the stabilizing column 26 has the function of stabilizing and reinforcing the height limiting device, and the stability of the height limiting device is enhanced to a certain extent.
In a specific implementation process, as shown in fig. 1, the speaker 34 is electrically connected to the warning light 35, the rotating ring 32 is electrically connected to the speaker 34 and the warning light 35, when the height limiting plate 33 is impacted by an ultrahigh vehicle, the height limiting plate 33 drives the rotating ring 32 to rotate, so that the speaker 34 and the warning light 35 are turned on, the speaker 34 gives out voice to remind a driver that the vehicle is ultrahigh, and the warning light 35 flashes to remind that danger is possibly generated in the front of the vehicle later and that the vehicle is in the vicinity of the ultrahigh vehicle and the vehicle is in the vicinity of the ultrahigh vehicle.
In a specific implementation process, as shown in fig. 5, the positioning structure 4 includes a limiting cover 41, a positioning rack 42 and a sliding rod 43, the limiting cover 41 is in threaded connection with the top surface of the cross beam 1, the positioning rack 42 is slidably connected inside the cross beam 1, the bottom end of the sliding rod 43 is fixed to the top surface of the positioning rack 42, the limiting cover 41 abuts against the top surface of the sliding rod 43, and the positioning structure 4 is arranged to prevent the positioning block 76 from moving backward after moving to any position, so that the warning structure 3 keeps falling down, blocks a road, and prevents a vehicle from entering an accident site afterwards, so as to avoid traffic accidents again.
In a specific implementation process, as shown in fig. 2, the buffer structure 5 further includes a plurality of pulleys 52, the pulleys 52 are mounted on a side wall of the sliding block 51, and the pulleys 52 are slidably connected with the inside of the rear pillar 24, and the pulleys 52 can reduce friction between the sliding block 51 and the rear pillar 24, so as to reduce transmission of impact force generated by impact to the main body structure 2.
In the concrete implementation process, as shown in fig. 5, first oil groove 56 with pass through between the second oil groove 57 connecting hole 58 communicates, just the diameter of connecting hole 58 is less than first oil groove 56 with the diameter of second oil groove 57, can promote when sliding block 51 takes place the displacement buffer plate 55 removes, buffer plate 55 makes fluid in the first oil groove 56 receives the extrusion, and is narrow and small from connecting hole 58 slowly flows into in the second oil groove 57, simultaneously buffer plate 55 compresses first spring 59, through fluid slow flow, reduces connecting plate 61 with the sliding speed that sliding block 51 increases in the twinkling of an eye to reduce the impact, reduce the damage that major structure 3 received.
In a specific implementation, as shown in fig. 1 and 2, the length of the height-limiting rod 62 is equal to the vertical distance between the two rear pillars 24, so that the height-limiting rod 62 is more stably installed; and the bottom edge of the height limiting plate 33 and the bottom edge of the height limiting rod 62 are at the same height, so that the height limiting plate 33 and the height limiting rod 62 realize a uniform height limiting effect, a driver is more accurately reminded that the vehicle is ultrahigh, and the collision risk is avoided in time.
In a specific implementation, as shown in fig. 2, the fitting block 63 is engaged with the fitting groove 53 to firmly connect the connecting plate 61 and the sliding block 51; and the ends of the fitting groove 53 and the fitting block 63 are inclined downward at the same angle, so that the mounting and replacement between structures are facilitated, and the connecting plate 61 and the height limiting rod 62 can be prevented from accidentally falling.
In a specific implementation process, as shown in fig. 5, the limit teeth 77 abut against the positioning rack 42, and the limit teeth 77 are engaged with the positioning rack 42 to limit the return of the connecting chain 75 and prevent the lifting rod 31 from freely lifting.
The working principle of the early warning type anti-collision height limiting frame for the bridge provided by the invention is as follows:
and switching on an external power supply. The deceleration strip 23 is installed on the ground right in front of the front upright post 21 and the rear upright post 24, the vehicle is reduced by a certain speed when approaching the main body structure 2, so that the vehicle can be forced to reduce the speed, the damage to the main body structure 2 is reduced, and the height limit mark 36 is pasted on the height limit plate 33 so as to remind the driver of the vehicle with the maximum height which can pass through the road section. Once an ultrahigh vehicle passes through the height limiting device, when the vehicle passes through the front upright post 21, because the height of the lifting rod 31 is higher than the top height of the road section, even the ultrahigh vehicle is difficult to hit the lifting rod 31, the ultrahigh vehicle can hit the height limiting plate 33 below the lifting rod 31, the impact causes the height limiting plate 33 to swing, the swing of the height limiting plate 33 can avoid the impact of the ultrahigh vehicle, so as to avoid the damage, meanwhile, the height limiting plate 33 can drive the rotating ring 32 to rotate, the rotating ring 32 starts the speaker 34 and the warning light 35, the speaker 34 gives out voice to remind the ultrahigh vehicle, the warning light 35 flickers to remind the front of the subsequent vehicle of possible danger, pay attention to the avoidance, and at the moment, the driver can stop or back to exit the height limiting road section; if the ultrahigh vehicle continues to run forwards, the ultrahigh vehicle passes through the second deceleration strip 23 after running for a certain distance, the speed of the ultrahigh vehicle is reduced again, the ultrahigh vehicle can impact the height limiting rod 62 after running forwards again, the height limiting rod 62 is formed by combining four steel pipes, the strength and the impact resistance of the height limiting rod 62 are improved to the maximum extent, and the ordinary impact can be resisted. When an ultrahigh vehicle impacts the height-limiting rod 62, the height-limiting rod 62 is driven to displace, so that the connecting plate 61 slides in the second sliding groove 25, the connecting plate 61 drives the sliding block 51 to slide in the rear upright post 24, the pulley 52 rolls in the rear upright post 24, the friction force is reduced, the sliding block 51 pushes the buffer plate 55 to slide, the buffer plate 55 enables the oil in the first oil groove 56 to be squeezed, the oil slowly flows into the second oil groove 57 from the narrow connecting hole 58, at the same time, the buffer plate 55 compresses the first spring 59, the reaction force of the first spring 59 can also offset a part of the impact force, the oil slowly flows, so that the instantly increased sliding speed of the connecting plate 61 and the sliding block 51 is reduced, the impact is reduced, and the damage to the main body structure 3 is reduced; meanwhile, the sliding block 51 moves to drive the rack 54 to move, the rack 54 drives the first gear 71 to rotate, the first gear 71 drives the second gear 72 to rotate, the second gear 72 drives the third gear 74 to rotate through the transmission chain 73, the third gear 74 drives the connecting chain 75 to move leftward (according to the direction of the drawing in fig. 5, the same applies below), the other end of the connecting chain 75 drives the positioning block 76 to slide in the cross beam 1, the positioning block 76 drives the second spring 79 to extend, and at the same time, the positioning block 76 drives the limiting teeth 77 to move, since the limiting teeth 77 do not engage with the positioning rack 42 when moving leftward, the limiting teeth 77 can move leftward without hindrance, and under the action of the torsion spring 78, the limiting tooth 77 continuously abuts against the positioning rack 42, one end of the connecting chain 75 moves downwards, the lifting rod 31 is released, the lifting rod 31 slides downwards in the first sliding groove 22, the height limiting plate 33 descends along with the lifting rod 31 until the lifting rod 31 slides down to the lowest end of the first sliding groove 22 or the sliding block 51 stops moving, the heights of the lifting rod 31 and the height limiting plate 33 are reduced, the crossing is blocked, a subsequent vehicle is prevented from continuously entering the road section, and the loudspeaker 34 and the warning light 35 are matched to remind the subsequent vehicle; once the ultrahigh vehicle speed is too fast, a strong impact is generated on the height-limiting rod 62, and due to the flexible connection between the two ends of the height-limiting rod 62 and the connecting plate 61, under a strong impact, the height-limiting rod 62 deforms and is separated from the supporting groove 64 on the connecting plate 61, so as to avoid a larger impact on the main body structure 2, after the height-limiting rod 62 is separated from the connecting plate 61, the connecting plate 61 and the sliding block 51 are reset under the action of the first spring 59, the sliding block 51 drives the rack 54 to move leftward, the first gear 71 is driven to rotate in reverse, the first gear 71 drives the second gear 72 to rotate in reverse, the second gear 72 drives the third gear 74 to rotate in reverse through the transmission chain 73, and the third gear 74 drives the connecting chain 75 to move rightward, the other end of the connecting chain 75 pushes the positioning block 76 to move rightwards, the second spring 79 tends to return, but once the positioning block 76 moves rightwards, the limiting tooth 77 is lifted up under the action of the torsion spring 77, so that the limiting tooth 77 is in clamping connection with the positioning rack 42, the positioning block 76 cannot retreat, one end of the connecting chain 75 cannot pull the lifting rod 31 to ascend, and the lifting rod 31 and the height limiting plate 33 still stand still at this time; after the accident is processed, the height limiting equipment needs to be maintained in time. The connecting plate 62 may be damaged when the height-limiting rod 62 is deformed, if damaged, a maintenance person may pull the connecting plate 61 obliquely upward, pull the engaging block 63 at the back of the connecting plate 61 out of the engaging groove 53 on the surface of the sliding block 51, insert a new connecting plate 61 into the engaging groove 53 in the above-mentioned manner, then rotate the two limiting covers 41 at the top of the cross beam 1, remove the limiting cover 41, then pull the sliding rod 43 upward, the sliding rod 43 drives the positioning rack 42 to ascend, at which time the positioning rack 42 is separated from the limiting teeth 77 and is out of limitation, and under the pulling of the second spring 79, in cooperation with the pushing of the first spring 59, the sliding block 51 drives the rack 54 to move leftward, and the connecting plate 61 follows the sliding block 51 to move together, meanwhile, because the first oil groove 56 and the second oil groove 57 are closed, the leftward movement of the sliding block 51 causes the oil 56 in the second oil groove 57 to flow into the first oil groove 56 through the connecting hole 58, the rack 54 drives the first gear 71 to rotate in the opposite direction, the first gear 71 drives the second gear 72 to rotate in the opposite direction, the second gear 72 drives the third gear 74 to rotate in the opposite direction through the transmission chain 73, the third gear 74 drives the connecting chain 75 to move rightward, the other end of the connecting chain 75 pushes the positioning block 76 to move rightward, the second spring 79 shortens, one end of the connecting chain 75 rises, and drags the lifting rod 31 and the height limiting plate 33 to rise until all structures are reset, at this time, the lifting rod 31 and the height limiting plate 33 return to the initial positions, and then the sliding rod 43 is released, under the action of gravity, the sliding rod 43 and the positioning rack 42 slide towards the inside of the cross beam 1 and return to the initial position, the limiting cover 41 is covered at the moment, the limiting cover 41 is abutted against the sliding rod 43, so that the sliding rod 43 cannot rise, and finally, the two ends of the new height limiting rod 63 are placed into the supporting grooves 64, so that the vehicle can continue to pass through the height limiting road section, after collision occurs, only the connecting plate 61 and the height limiting rod 62 need to be replaced, the cost is saved, the resource waste is avoided, the replacement is simple and convenient, and the influence on the traffic is small.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a warning formula anticollision limit for height frame for bridge which characterized in that includes:
a cross beam (1);
the main structure (2) is fixedly connected with two ends of the cross beam (1), the main structure (2) comprises a front upright post (21), a first sliding groove (22), a rear upright post (24) and a second sliding groove (25), the front upright post (21) is fixed at one end of the cross beam (1), the first sliding groove (22) is formed in the inner side wall of the front upright post (21), the rear upright post (24) is fixed at the other end of the cross beam (1), and the second sliding groove (25) is formed in the inner side wall of the rear upright post (24);
the warning structure (3) is in sliding connection with the first sliding groove (22), the warning structure (3) comprises a lifting rod (31), two rotating rings (32), a height limiting plate (33), a loudspeaker (34), a warning lamp (35) and a height limiting mark (36), two ends of the lifting rod (31) are respectively in sliding connection with the inside of the first sliding groove (22), the two rotating rings (32) are in rotating connection with the lifting rod (31), the top of the height limiting plate (33) is fixed to the bottom of the rotating rings (32), the loudspeaker (34) and the warning lamp (35) are mounted on the top surface of the lifting rod (31), and the height limiting mark (36) is attached to the front surface of the height limiting plate (33);
the positioning structure (4), the positioning structure (4) is connected to the inside of the cross beam (1) in a sliding manner;
the buffer structure (5) is installed inside the rear upright post (24), the buffer structure (5) comprises a sliding block (51), an embedded groove (53), a rack (54), a buffer plate (55), a first oil groove (56), a second oil groove (57), a connecting hole (58) and a first spring (59), the sliding block (51) is connected inside the second sliding groove (25) and the rear upright post (24) in a sliding mode, the embedded groove (53) is formed in the surface of the sliding block (51), the rack (54) is fixed to the top surface of the sliding block (51), one end of the buffer plate (55) is fixed to the side wall of the sliding block (51), the buffer plate (55) is connected with the inside of the rear upright post (24) in a sliding mode, the first oil groove (56) is formed inside the buffer plate (55), and the second oil groove (57) is formed inside the rear upright post (24), the connecting hole (58) is formed between the first oil groove (56) and the second oil groove (57), the first spring (59) is installed inside the rear upright post (24), and the other end of the buffer plate (55) abuts against the first spring (59);
the height limiting structure (6) is clamped and connected with the embedding groove (53), the height limiting structure (6) comprises a connecting plate (61), a height limiting rod (62), an embedding block (63) and a supporting groove (64), the connecting plate (61) is connected inside the second sliding groove (25) in a sliding mode, the back face of the connecting plate (61) abuts against the surface of the sliding block (51), the embedding block (63) is fixed on the back face of the connecting plate (61), the supporting groove (64) penetrates through the connecting plate (61), and the height limiting rod (62) is clamped and connected with the supporting groove (64);
the transmission structure (7) is installed inside the cross beam (1), the transmission structure (7) comprises a first gear (71), a second gear (72), a transmission chain (73), a third gear (74), a connecting chain (75), a positioning block (76), a limiting tooth (77), a torsion spring (78) and a second spring (79), the first gear (71) is rotatably connected inside the other end of the cross beam (1), the first gear (71) is meshed with the rack (54) for connection, the second gear (72) is fixed on the side wall of the first gear (71), the transmission chain (73) is rotatably connected with the second gear (72), the third gear (74) is rotatably connected inside one end of the cross beam (1), and the third gear (74) is rotatably connected with the transmission chain (73), connecting link (75) sliding connection in the inside of crossbeam (1), just connecting link (75) with third gear (74) meshing connection, just the one end of connecting link (75) is fixed in the both ends of lifter (31), locating piece (76) sliding connection in the inside of crossbeam (1), just the other end of connecting link (75) is fixed in the lateral wall of locating piece (76), spacing tooth (77) rotate connect in the top of locating piece (76), spacing tooth (77) pass through torsion spring (78) with locating piece (76) rotate the connection, second spring (79) install in the inside of crossbeam (1), just the one end of second spring (79) is fixed in the lateral wall of locating piece (76).
2. The early warning type anti-collision height-limiting frame for the bridge according to claim 1, wherein the main body structure (2) further comprises deceleration strips (23) and stabilizing columns (26), the deceleration strips (23) are respectively installed on the ground right in front of the front upright post (21) and the rear upright post (24), one end of each stabilizing column (26) is installed on the side wall of the rear upright post (24), and the other end of each stabilizing column is fixed on the ground.
3. The pre-warning type anti-collision height-limiting frame for the bridge according to claim 1, wherein the speaker (34) and the warning lamp (35) are electrically connected, and the rotating ring (32) is electrically connected with the speaker (34) and the warning lamp (35).
4. The pre-warning type anti-collision height-limiting frame for the bridge according to claim 1, wherein the positioning structure (4) comprises a limiting cover (41), a positioning rack (42) and a sliding rod (43), the limiting cover (41) is in threaded connection with the top surface of the cross beam (1), the positioning rack (42) is in sliding connection with the inside of the cross beam (1), the bottom end of the sliding rod (43) is fixed on the top surface of the positioning rack (42), and the limiting cover (41) abuts against the top surface of the sliding rod (43).
5. The bridge pre-warning type anti-collision height-limiting frame as claimed in claim 1, wherein the buffer structure (5) further comprises pulleys (52), a plurality of the pulleys (52) are mounted on the side walls of the sliding blocks (51), and the pulleys (52) are slidably connected with the inside of the rear upright (24).
6. The bridge pre-warning type anti-collision height-limiting frame according to claim 1, wherein the first oil groove (56) and the second oil groove (57) are communicated through the connecting hole (58), and the diameter of the connecting hole (58) is smaller than the diameters of the first oil groove (56) and the second oil groove (57).
7. The pre-warning type anti-collision height-limiting frame for the bridge according to claim 1, wherein the length of the height-limiting rod (62) is equal to the vertical distance between the two rear pillars (24), and the bottom edge of the height-limiting plate (33) is at the same height as the bottom edge of the height-limiting rod (62).
8. The precautionary anti-collision height-limiting frame for the bridge according to claim 1, wherein the fitting block (63) is engaged with the fitting groove (53), and ends of the fitting groove (53) and the fitting block (63) are inclined downward at the same angle.
9. The pre-warning type anti-collision height-limiting frame for the bridge according to claim 4, wherein the limiting teeth (77) abut against the positioning rack (42), and the limiting teeth (77) are connected with the positioning rack (42) in a clamping manner.
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| CN202011132803.4A CN112252227B (en) | 2020-10-21 | 2020-10-21 | Early warning formula anticollision limit for height frame for bridge |
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| CN202011132803.4A CN112252227B (en) | 2020-10-21 | 2020-10-21 | Early warning formula anticollision limit for height frame for bridge |
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Denomination of invention: A warning type anti-collision limit elevated bridge Effective date of registration: 20231023 Granted publication date: 20211022 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Jinghu Sub branch Pledgor: Zhejiang Dingsheng Transportation Construction Co.,Ltd. Registration number: Y2023980062175 |
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