CN112695675B - Highway engineering protection system - Google Patents
Highway engineering protection system Download PDFInfo
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- CN112695675B CN112695675B CN202011570613.0A CN202011570613A CN112695675B CN 112695675 B CN112695675 B CN 112695675B CN 202011570613 A CN202011570613 A CN 202011570613A CN 112695675 B CN112695675 B CN 112695675B
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention provides a highway engineering protection system, which comprises a shell with an opening facing one side of a highway, wherein a plurality of support rods are arranged at the lower end of the shell; the inner wall of the shell is also provided with a secondary damping protection mechanism, the secondary damping protection mechanism comprises four hydraulic cylinders which are horizontally arranged on the inner wall of the shell and are arranged in a matrix, one end of each hydraulic cylinder is communicated with the first liquid cavity, and the other end of each hydraulic cylinder is vertically connected with the side wall of the inner cavity of the shell; a third piston is slidably mounted on one side, close to the first liquid cavity, in the inner cavity of the hydraulic cylinder, the other end of the third piston is connected with a third sliding block, and a straight rack extending horizontally is mounted at the other end of the third sliding block; the other end of the spur rack penetrates through the outer wall of one side, deviating from the rubber membrane, of the shell and then extends to the outer cavity of the shell, and a third damping spring is sleeved on one section, located in the inner cavity of the hydraulic cylinder, of the spur rack. The invention is especially suitable for road protection of highway engineering and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of highway engineering, in particular to a highway engineering protection system.
Background
With the continuous development of social economy in China, the number of roads is continuously increased, and the highway engineering protection in some places has certain defects, such as safety protection on expressways, safety protection at sharp bends of roads and the like.
The patent with publication number CN206015574U discloses a safety protection net for an expressway, which comprises a plurality of upright posts and a protection net fixedly connected among the upright posts, wherein the upright posts are of hollow structures, corresponding positions on two sides of the upright posts are inwards sunken to respectively form grooves for fixing the protection net, and first through holes are formed in the walls of the grooves; the protection network includes the frame of making with the iron plate, with the wire netting of frame connection, has seted up the second through-hole on the frame, and the protection network passes first through-hole and second through-hole through the bolt and fixes on the stand, and the device is flexible good, can protect car and personnel to a certain extent and avoid the injury, but the device has most kinetic energy that can't reduce the striking and bring, and the guard action is limited. Therefore, a highway engineering protection system is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a highway engineering protection system, which overcomes the defects of the prior art, has reasonable design and compact structure and aims to solve the problems that although a guard rail or a protection device is arranged on the prior highway, the stability is poor, the structural strength is low, the kinetic energy and potential energy of an out-of-control vehicle cannot be effectively prevented from being buffered, the vehicle is damaged once being impacted, and the casualties in the vehicle can also occur.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a highway engineering protection system comprises a shell (1) facing to one side of a highway, and is characterized in that a plurality of support rods (4) are mounted at the lower end of the shell (1), a mounting seat (5) is arranged at the lower end of each support rod (4), and the mounting seat (5) is fixedly mounted on the ground through expansion bolts (6); the opening side of the shell (1) is fixedly provided with a rubber diaphragm (2) through a diaphragm frame sleeve (3), two clapboards (10) which are arranged in parallel with the rubber diaphragm (2) are arranged in an inner cavity of the shell (1), and the inner cavity of the shell (1) is inwards divided into a first liquid cavity (11), a second liquid cavity and a middle cavity from the opening side by the clapboards (10); a plurality of polyurethane shock absorption layers (13) are distributed in the first liquid cavity (11) in a matrix manner, two ends of each polyurethane shock absorption layer (13) are respectively connected with the inner wall of the rubber diaphragm (2) and the inner wall of the first liquid cavity (11), and a plurality of layers of shock absorption mechanisms (9) for vehicle impact protection are fixedly inserted in the middle of the two partition plates (10);
the multilayer damping mechanism (9) comprises a sliding chamber (93) fixedly inserted in the middle of two partition plates (10), two ends of the sliding chamber (93) are respectively communicated with a first liquid cavity (11) and a middle hollow cavity, and the sliding chamber (93) divides a second liquid cavity into two damping liquid cavities (12) respectively positioned at the upper side and the lower side; a main piston (94) is slidably mounted in the inner cavity of the sliding chamber (93), one end of the main piston (94) is vertically provided with a plurality of internal rods (92), and the other end of each internal rod (92) is provided with an elastic seat (91) which is abutted against the rubber membrane (2); the other end of the main piston (94) is hinged with a plurality of groups of arc-shaped racks (95), each group of arc-shaped racks (95) comprises two symmetrically crossed single-side inner arc-shaped racks, teeth on the inner side of each single-side inner arc-shaped rack are meshed with a matched transmission gear (96), the transmission gears (96) are rotatably installed on the same rotating shaft, and the rotating shafts are fixedly installed on the inner wall of the sliding chamber (93); the other end of the single-side inner arc-shaped rack extends to the hollow cavity and then is hinged with a transmission sliding block (97), the transmission sliding block (97) is slidably mounted on the inner wall of the hollow cavity, and a support rod (98) is vertically mounted at one end, away from the single-side inner arc-shaped rack, of the transmission sliding block (97); the other end of the supporting rod (98) extends to an inner cavity of the damping cylinder (99) and is provided with a first piston (910), the first piston (910) is slidably arranged on the inner wall of the damping cylinder (99), the damping cylinder (99) is vertically arranged on the inner wall of the hollow cavity, and one side, deviating from the supporting rod (98), of the first piston (910) is connected with the inner wall of the hollow cavity through a first damping spring (911); the damping cylinders (99) are respectively connected with the two damping liquid cavities (12) through communication ports (912), second pistons (913) are installed in the damping liquid cavities (12) in a sliding mode, and the second pistons (913) are connected with the inner walls of the damping liquid cavities (12) through second damping springs (914);
the inner wall of the shell (1) is also provided with a secondary damping protection mechanism, the secondary damping protection mechanism comprises four hydraulic cylinders (14) which are horizontally arranged on the inner wall of the shell (1) and arranged in a matrix, one end of each hydraulic cylinder (14) is communicated with the first liquid cavity (11), and the other end of each hydraulic cylinder (14) is vertically connected with the side wall of the inner cavity of the shell (1); a third piston (15) is slidably mounted on one side, close to the first liquid cavity (11), in the inner cavity of the hydraulic cylinder (14), the other end of the third piston is connected with a third sliding block (16), and a straight rack (17) extending horizontally is mounted at the other end of the third sliding block (16); the other end of the straight rack (17) penetrates through the outer wall of one side, deviating from the rubber membrane (2), of the shell (1) and then extends to the outer cavity of the shell (1), a section, located on the inner cavity of the hydraulic cylinder (14), of the straight rack (17) is sleeved with a third damping spring (21), and two ends of the third damping spring (21) are connected with the inner wall of the hydraulic cylinder (14) and the side wall of a third sliding block (16) respectively.
In the scheme, teeth on the top walls of two straight racks (17) on the upper side are meshed with an upper overturning gear (18), the upper overturning gear is fixedly mounted on the same upper overturning shaft (19), two ends of the upper overturning shaft (19) are rotatably mounted on the upper part of the inner wall of the shell (1), a protective fence (7) is fixedly mounted on one side of the upper overturning shaft (19) departing from the shell (1), a plurality of reinforcing ribs perpendicular to a steel rod are arranged in the middle of the protective fence (7), and the length of the protective fence (7) is 80-150 cm; go up the one end of upset axle (19) and install ratchet (22), clockwise meshing has pawl (23) on this ratchet (22), and the other end of pawl (23) articulates on the lateral wall of upper bracket (20), and pawl (23) deviate from and install expanding spring (24) on the lateral wall of ratchet (22) one side, just the other end of expanding spring (24) is connected with the outer wall that casing (1) deviates from rubber involucra (2) one side.
In the scheme, the thickness of the rubber coating (2) is more than or equal to 3 cm, and the elastic modulus of the rubber coating (2) is 6-7 mpa.
Preferably, the teeth on the bottom walls of the two lower straight racks (17) are meshed with a lower overturning gear (181), the lower overturning gear is fixedly mounted on the same lower overturning shaft (191), two ends of the lower overturning shaft (191) are rotatably mounted on the lower portion of the outer wall of one side, away from the rubber coating (2), of the shell (1) through a lower support (201), and a plurality of supporting columns (8) are vertically mounted on one side, away from the shell (1), of the lower overturning shaft (191).
In the scheme, the free ends of the protective fence (7) and the supporting column (8) are integrally formed with a conical head (25) for preventing the protective fence from entering a road.
(III) advantageous effects
The embodiment of the invention provides a highway engineering protection system, which has the following beneficial effects:
1. according to the invention, through the combined structure of the rubber membrane and the polyurethane shock-absorbing layers, the elastic material of the rubber membrane absorbs part of kinetic energy in advance, then the elastic materials of the polyurethane shock-absorbing layers are subjected to the distribution and absorption of the kinetic energy, and finally the multi-layer shock-absorbing mechanism and the secondary shock-absorbing protection mechanism are matched for carrying out layer-by-layer shock absorption, so that the safety of personnel in automobiles and automobiles is effectively protected, meanwhile, the protective fence is turned to be vertical during collision, the vehicle body turned over due to strong collision is effectively protected, and the collision vehicle is prevented from turning over out of a road to cause secondary damage.
2. According to the automobile shock absorber, through the combined structure of the rubber membrane and the multi-layer shock absorption mechanism, after an automobile impacts the rubber membrane, the rubber membrane is pressed to contract inwards, the elastic seat and the internal attached rod are pushed to move rightwards, the main piston in the sliding chamber is further pushed to move rightwards, then the arc-shaped racks hinged to the right side of the main piston are meshed with the transmission gear and extend inwards to the hollow cavity, the arc-shaped racks slightly deform, the two groups of transmission sliding blocks on the upper side and the lower side are pushed to be away from each other by the tail ends, the first piston in the shock absorption cylinder is pushed to move, multi-stage shock absorption is carried out through the compression of air in the shock absorption cylinder and the elastic expansion of the first shock absorption spring, potential energy and kinetic energy generated by vehicle impact are eliminated, and safety protection is carried out on personnel in the automobile and the automobile.
3. According to the invention, through the combined structure of the rubber diaphragm and the secondary damping protection mechanisms, hydraulic oil is contained in the first liquid cavity, and when a vehicle impacts the rubber diaphragm, the secondary damping protection mechanisms positioned at the four edges deform the rubber diaphragm and press the hydraulic oil in the first liquid cavity to enter the hydraulic cylinder and push the third piston to move rightwards, and the third damping spring is further pushed to compress through the third sliding block, so that the potential energy of impact is absorbed, and the damage caused by vehicle impact is buffered.
4. According to the invention, through the combined structure of the second damping spring and the second piston, hydraulic oil is contained in the damping liquid cavity, the plurality of first pistons move to extrude the hydraulic oil to enter the damping liquid cavity through the communicating port, the second piston in the damping liquid cavity is pressed to approach the sliding chamber, the transmission of the hydraulic oil consumes partial potential energy, and meanwhile, the plurality of second damping springs extrude and deform to consume residual potential energy again, so that the potential energy and kinetic energy generated by vehicle collision are fully eliminated, and the safety protection is performed on the automobile and personnel in the automobile.
5. According to the invention, through the combined structure of the straight rack and the upper overturning gear, the upper overturning gear is overturned anticlockwise, and the upper overturning shaft drives the upper overturning gear to overturn for 90 degrees, so that the protective fence is overturned to be vertical, the overturning vehicle body caused by strong collision is effectively protected, and the collision vehicle is prevented from overturning out of the road to cause secondary damage.
6. According to the invention, through the combined structure of the upper overturning gear, the upper overturning rotating shaft and the pawl and the ratchet wheel, when the upper overturning rotating shaft overturns anticlockwise, the pawl does not engage with the ratchet wheel, and the ratchet wheel is driven to rotate anticlockwise; after the protective fence is turned for 90 degrees and is in a vertical state, the pawl is meshed with the ratchet wheel to position the vertical protective fence, and meanwhile, the supporting force when the vehicle is turned and collided is guaranteed, so that the vehicle is prevented from being struck to turn out of a road and causing secondary damage.
7. According to the invention, through the combined structure of the spur rack, the lower turnover gear and the support column, the lower turnover gear turns clockwise, the support column is driven by the lower turnover shaft to turn over, and the support column is turned over and inserted to the ground, so that a protection device which is strongly collided is effectively protected, the protection device is prevented from being deformed and toppled over due to vehicle collision, and the protection device is effectively supported and protected.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a first schematic diagram of the internal structure of the present invention;
FIG. 3 is a second schematic diagram of the internal structure of the present invention;
FIG. 4 is a schematic structural view of the reverse gear protection mechanism according to the present invention;
FIG. 5 is a schematic view of the ratchet and pawl combination of the present invention;
FIG. 6 is an enlarged view of the structure A in FIG. 3 according to the present invention.
Detailed Description
The invention will be further illustrated with reference to the following figures 1-6 and examples:
example 1
A highway engineering protection system comprises a shell 1 facing to an opening on one side of a highway, a plurality of supporting rods 4 are installed at the lower end of the shell 1, a mounting seat 5 is integrally formed at the lower end of each supporting rod 4, the mounting seat 5 is fixedly installed on the ground through an expansion bolt 6, a protection device is effectively guaranteed to be fixed on two sides of the highway for safety protection of vehicle running, a rubber membrane 2 is fixedly installed on the opening side of the shell 1 through a membrane frame sleeve 3, two partition plates 10 arranged in parallel with the rubber membrane 2 are integrally formed in an inner cavity of the shell 1, the inner cavity of the shell 1 is divided into a first liquid cavity 11, a second liquid cavity and a middle cavity from the opening side inwards through the partition plates 10, a plurality of polyurethane shock absorption layers 13 are distributed in the first liquid cavity 11 in a matrix mode, and two ends of the polyurethane shock absorption layers 13 are respectively connected with the inner wall of the rubber membrane 2 and the inner wall of the first liquid cavity 11, a plurality of layers of shock absorption mechanisms 9 for vehicle impact protection are fixedly inserted in the middle parts of the two partition plates 10;
in this embodiment, an out-of-control vehicle collides with the rubber diaphragm 2, the elastic material of the rubber diaphragm 2 absorbs part of the kinetic energy in advance, then the elastic material of the polyurethane shock-absorbing layers 13 distributes and absorbs the kinetic energy, and finally the multi-layer shock-absorbing mechanism 9 is matched to absorb shock layer by layer, so that the safety of the vehicle and personnel in the vehicle is effectively protected.
In this embodiment, as shown in fig. 3 and 6, the multi-layer damping mechanism 9 includes a sliding chamber 93 fixedly inserted in the middle of two partition plates 10, and two ends of the sliding chamber 93 are respectively connected to the first liquid chamber 11 and the middle hollow chamber, the sliding chamber 93 divides the second liquid chamber into two damping liquid chambers 12 respectively located at the upper and lower sides, a main piston 94 is slidably installed in an inner cavity of the sliding chamber 93, a plurality of inner rods 92 are vertically installed at one end of the main piston 94, an elastic seat 91 abutting against the rubber membrane 2 is installed at the other end of each inner rod 92, a plurality of sets of arc-shaped racks 95 are hinged to the other end of the main piston 94, each set of arc-shaped racks 95 includes two symmetrically crossed single-sided inner arc-shaped racks, teeth inside each single-sided inner arc-shaped rack are engaged with a matched transmission gear 96, and the plurality of transmission gears 96 are rotatably installed on the same rotating shaft, the rotating shaft is fixedly installed on the inner wall of the sliding chamber 93, a transmission sliding block 97 is hinged after the other end of the single-side inner arc-shaped rack extends to the hollow cavity, the transmission sliding block 97 is installed on the inner wall of the hollow cavity in a sliding mode, a supporting rod 98 is vertically installed at one end, deviating from the single-side inner arc-shaped rack, of the transmission sliding block 97, the other end of the supporting rod 98 extends to the inner cavity of the damping cylinder 99 and is provided with a first piston 910, the first piston 910 is installed on the inner wall of the damping cylinder 99 in a sliding mode, the damping cylinder 99 is vertically installed on the inner wall of the hollow cavity, and one side, deviating from the supporting rod 98, of the first piston 910 is connected with the inner wall of the hollow cavity through a first damping spring 911;
in this embodiment, after the automobile collides with the rubber diaphragm 2, the rubber diaphragm 2 is compressed to contract inwards, the elastic seat 91 and the internal attached rod 92 are pushed to move rightwards, and then the main piston 94 in the sliding chamber 93 is pushed to move rightwards, then the plurality of arc-shaped racks 95 hinged to the right side of the main piston 94 are meshed with the transmission gear 96 and extend inwards to the hollow cavity, the arc-shaped racks 95 slightly deform and are pushed to move away from each other by the two groups of transmission sliders 97 on the upper side and the lower side with the tail ends, and the first piston 910 in the damping cylinder 99 is pushed to move, multi-stage damping is performed by air compression in the damping cylinder 99 in cooperation with elastic expansion of the first damping spring 911, potential energy and kinetic energy generated by vehicle collision are eliminated, and safety protection is performed on the automobile and the personnel in the automobile.
In this embodiment, as shown in fig. 2 and 3, a secondary damping protection mechanism is further disposed on the inner wall of the housing 1, the secondary damping protection mechanism includes four hydraulic cylinders 14 horizontally mounted on the inner wall of the housing 1 and arranged in a matrix, one end of the hydraulic cylinder 14 is communicated with the first liquid cavity 11, the other end of the hydraulic cylinder 14 is vertically connected with the side wall of the inner cavity of the shell 1, a third piston 15 is slidably arranged on one side of the inner cavity of the hydraulic cylinder 14, which is close to the first liquid cavity 11, and the other end of the third piston 15 is connected with a third slide block 16 through a mounting rod, and the other end of the third slide block 16 is provided with a straight rack 17 extending horizontally, and the other end of the straight rack 17 penetrates through the outer wall of the shell 1 on the side departing from the rubber diaphragm 2 and then extends to the outer cavity of the shell 1, a section of the straight rack 17 positioned in the inner cavity of the hydraulic cylinder 14 is sleeved with a third damping spring 21, and both ends of the third damping spring 21 are respectively connected with the inner wall of the hydraulic cylinder 14 and the side wall of the third slider 16;
in this embodiment, hydraulic oil is contained in the first liquid cavity 11, and when a vehicle collides with the rubber diaphragm 2, the secondary damping protection mechanisms at the four edges press the hydraulic oil in the first liquid cavity 11 into the hydraulic cylinder 14 after the rubber diaphragm 2 deforms, and push the third piston 15 to move rightward, and further push the third damping spring 21 to compress through the third slider 16, so as to absorb potential energy of the collision and buffer the injury caused by the vehicle collision.
In this embodiment, as shown in fig. 1 to 4, the teeth on the top walls of the two upper straight racks 17 are engaged with an upper turning gear 18, the upper turning gear 18 is fixedly mounted on the same upper turning shaft 19, two ends of the upper turning shaft 19 are rotatably mounted on the upper portion of the inner wall of the housing 1 through an upper bracket 20, a protective fence 7 composed of a plurality of steel rods is fixedly mounted on one side of the upper turning shaft 19 away from the housing 1, after the rubber membrane 2 is deformed, hydraulic oil in the first liquid chamber 11 is pressed into the two hydraulic cylinders 14 on the upper side, and the two third pistons 15 on the upper side are pushed to move rightward, so as to push the two upper straight racks 17 to move rightward, push the upper turning gear 18 to turn counterclockwise, drive 90 ° turning through the upper turning shaft 19, turn the protective fence 7 to the vertical direction, effectively protect the vehicle body from turning caused by strong collision, prevent that the striking vehicle from overturning out of the highway, causing secondary damage.
In this embodiment, as shown in fig. 4 and 5, a ratchet 22 is installed at one end of the upward turning shaft 19, a pawl 23 is engaged with the ratchet 22 clockwise, the other end of the pawl 23 is hinged to the side wall of the upper bracket 20, an extension spring 24 is installed on the side wall of the pawl 23 away from the ratchet 22, the other end of the extension spring 24 is connected with the outer wall of the side of the housing 1 away from the rubber membrane 2, and when the upward turning shaft 19 is turned counterclockwise, the pawl 23 does not engage with the ratchet 22 at this time, and the ratchet 22 is driven to rotate counterclockwise; after the protective fence 7 is turned by 90 degrees to be in a vertical state, the pawl 23 is meshed with the ratchet wheel 22 to position the vertical protective fence 7, and meanwhile, the supporting force of the vehicle during turning collision is ensured, so that the vehicle is prevented from being struck to turn out of a road, and secondary damage is avoided.
In this embodiment, as shown in fig. 4, the middle of the protective fence 7 is provided with a plurality of reinforcing ribs perpendicular to the steel rod to prevent deformation, and the length of the protective fence 7 is 80-150 cm to ensure that the overturned vehicle can be blocked by the overturned vehicle.
In this embodiment, as shown in fig. 2, 3 and 6, the damping cylinders 99 are respectively connected to the two damping liquid chambers 12 through the communicating ports 912, the second pistons 913 are slidably installed in the damping liquid chambers 12, and the second pistons 913 are connected to the inner walls of the damping liquid chambers 12 through the second damping springs 914.
In this embodiment, the thickness of the rubber membrane 2 is greater than or equal to 3 cm, so that damage during impact is effectively avoided, the elastic modulus of the rubber membrane 2 is 6-7mpa, the elasticity is good, and release and buffering of kinetic energy are guaranteed.
Example 2
The difference between this embodiment and embodiment 1 is that, as shown in fig. 1-3, the teeth on the bottom walls of the two straight racks 17 on the lower side are engaged with the lower turnover gear 181, the lower turnover gear 181 is fixedly mounted on the same lower turnover shaft 191, two ends of the lower turnover shaft 191 are rotatably mounted on the lower portion of the outer wall of the casing 1 on the side away from the rubber membrane 2 through the lower bracket 201, one side of the lower turnover shaft 191 away from the casing 1 is vertically mounted with a plurality of support columns 8, after the rubber membrane 2 is deformed, hydraulic oil in the first liquid chamber 11 is pressed into the two hydraulic cylinders 14 on the lower side, and two third pistons 15 on the lower side are pushed to move rightward, so as to push the two straight racks 17 on the lower side to move rightward, push the lower turnover gear 181 to turn clockwise, drive the support columns 8 to turn over through the lower turnover shaft 191, the support columns 8 turn over and insert into the ground, so as to effectively protect the protection device from strong impact, prevent that protector from being taken place to warp and topple over by the vehicle striking, carry out effectual support protection to protector.
In this embodiment, as shown in fig. 1 to 4, the free ends of the protective fence 7 and the supporting column 8 are integrally formed with a tapered head 25 for preventing the pedestrian from entering the road, and when the protective fence 7 and the supporting column 8 are in a horizontal state, the tapered head 25 extends out of the road, so as to effectively prevent the pedestrian from crossing the road to get close to the road and causing a traffic accident.
Other undescribed structures refer to example 1.
According to the highway engineering protection system provided by the embodiment of the invention, an out-of-control vehicle impacts the rubber diaphragm 2, the elastic material of the rubber diaphragm 2 absorbs part of kinetic energy in advance, then the elastic material of the polyurethane shock absorption layers 13 distributes and absorbs the kinetic energy, and finally the multi-layer shock absorption mechanism 9 is matched for carrying out layer-by-layer shock absorption, so that the safety of people in automobiles and automobiles is effectively protected;
specifically, after an automobile impacts the rubber membrane 2, the rubber membrane 2 is pressed to contract inwards, the elastic seat 91 and the internal attached rod 92 are pushed to move rightwards, the main piston 94 in the sliding chamber 93 is further pushed to move rightwards, then a plurality of arc-shaped racks 95 hinged to the right side of the main piston 94 are meshed with the transmission gear 96 and extend inwards to the hollow cavity, the arc-shaped racks 95 slightly deform and push the two groups of transmission sliders 97 on the upper side and the lower side away from each other by using the tail ends, the first piston 910 in the damping cylinder 99 is pushed to move, multi-stage damping is carried out by air compression in the damping cylinder 99 matching with elastic expansion of the first damping spring 911, potential energy and kinetic energy generated by vehicle impact are eliminated, and safety protection is carried out on the automobile and personnel in the automobile;
when hydraulic oil is contained in the first liquid cavity 11, when a vehicle impacts the rubber membrane 2, the rubber membrane 2 deforms, and then presses the hydraulic oil in the first liquid cavity 11 into the hydraulic cylinder 14, and pushes the third piston 15 to move rightwards, and the third damping spring 21 is further pushed to compress through the third slider 16, so that the potential energy of impact is absorbed, and the injury caused by vehicle impact is buffered;
when hydraulic oil is contained in the damping liquid cavity 12, the first pistons 910 move to extrude the hydraulic oil to enter the damping liquid cavity 12 through the communicating port 912, the second pistons 913 in the damping liquid cavity 12 are pressed to approach the sliding chamber 93, partial potential energy is consumed by transmission of the hydraulic oil, meanwhile, the second damping springs 914 extrude and deform to consume residual potential energy again, the potential energy and kinetic energy generated by vehicle impact are fully eliminated, and safety protection is performed on vehicles and personnel in the vehicles;
meanwhile, the upper overturning gear 18 is overturned anticlockwise, the upper overturning shaft 19 drives the protective fence 7 to overturn for 90 degrees, the protective fence can be overturned vertically, the overturning vehicle body caused by strong collision can be effectively protected, the impact vehicle can be prevented from overturning out of the road to cause secondary damage, and when the upper overturning shaft 19 overturns anticlockwise, the pawl 23 is not meshed with the ratchet wheel 22, and the ratchet wheel 22 is driven to rotate anticlockwise; after the protective fence 7 is turned by 90 degrees to be in a vertical state, the pawl 23 is meshed with the ratchet wheel 22 to position the vertical protective fence 7, and meanwhile, the supporting force during vehicle turning collision is ensured, so that the vehicle is prevented from turning out of a road to cause secondary damage;
lower upset gear 181 overturns clockwise, drives support column 8 through trip shaft 191 down and overturns, and support column 8 overturns and inserts to ground, and the effectual protector who receives strong collision is lived in the effectual protection, prevents that protector from being out of shape and toppling over by the vehicle striking emergence, carries out effectual support protection to protector.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (3)
1. A highway engineering protection system comprises a shell (1) facing to one side of a highway, and is characterized in that a plurality of support rods (4) are mounted at the lower end of the shell (1), a mounting seat (5) is arranged at the lower end of each support rod (4), and the mounting seat (5) is fixedly mounted on the ground through expansion bolts (6); the opening side of the shell (1) is fixedly provided with a rubber diaphragm (2) through a diaphragm frame sleeve (3), two clapboards (10) which are arranged in parallel with the rubber diaphragm (2) are arranged in an inner cavity of the shell (1), and the inner cavity of the shell (1) is inwards divided into a first liquid cavity (11), a second liquid cavity and a middle cavity from the opening side by the clapboards (10); a plurality of polyurethane shock absorption layers (13) are distributed in the first liquid cavity (11) in a matrix manner, two ends of each polyurethane shock absorption layer (13) are respectively connected with the inner wall of the rubber diaphragm (2) and the inner wall of the first liquid cavity (11), and a plurality of layers of shock absorption mechanisms (9) for vehicle impact protection are fixedly inserted in the middle of the two partition plates (10);
the multilayer damping mechanism (9) comprises a sliding chamber (93) fixedly inserted in the middle of two partition plates (10), two ends of the sliding chamber (93) are respectively communicated with a first liquid cavity (11) and a middle hollow cavity, and the sliding chamber (93) divides a second liquid cavity into two damping liquid cavities (12) respectively positioned at the upper side and the lower side; a main piston (94) is slidably mounted in the inner cavity of the sliding chamber (93), one end of the main piston (94) is vertically provided with a plurality of internal rods (92), and the other end of each internal rod (92) is provided with an elastic seat (91) which is abutted against the rubber membrane (2); the other end of the main piston (94) is hinged with a plurality of groups of arc-shaped racks (95), each group of arc-shaped racks (95) comprises two symmetrically crossed single-side inner arc-shaped racks, teeth on the inner side of each single-side inner arc-shaped rack are meshed with a matched transmission gear (96), the transmission gears (96) are rotatably installed on the same rotating shaft, and the rotating shafts are fixedly installed on the inner wall of the sliding chamber (93); the other end of the single-side inner arc-shaped rack extends to the hollow cavity and then is hinged with a transmission sliding block (97), the transmission sliding block (97) is slidably mounted on the inner wall of the hollow cavity, and a support rod (98) is vertically mounted at one end, away from the single-side inner arc-shaped rack, of the transmission sliding block (97); the other end of the supporting rod (98) extends to an inner cavity of the damping cylinder (99) and is provided with a first piston (910), the first piston (910) is slidably arranged on the inner wall of the damping cylinder (99), the damping cylinder (99) is vertically arranged on the inner wall of the hollow cavity, and one side, deviating from the supporting rod (98), of the first piston (910) is connected with the inner wall of the hollow cavity through a first damping spring (911); the damping cylinders (99) are respectively connected with the two damping liquid cavities (12) through communication ports (912), second pistons (913) are installed in the damping liquid cavities (12) in a sliding mode, and the second pistons (913) are connected with the inner walls of the damping liquid cavities (12) through second damping springs (914);
the inner wall of the shell (1) is also provided with a secondary damping protection mechanism, the secondary damping protection mechanism comprises four hydraulic cylinders (14) which are horizontally arranged on the inner wall of the shell (1) and arranged in a matrix, one end of each hydraulic cylinder (14) is communicated with the first liquid cavity (11), and the other end of each hydraulic cylinder (14) is vertically connected with the side wall of the inner cavity of the shell (1); a third piston (15) is slidably mounted on one side, close to the first liquid cavity (11), in the inner cavity of the hydraulic cylinder (14), the other end of the third piston is connected with a third sliding block (16), and a straight rack (17) extending horizontally is mounted at the other end of the third sliding block (16); the other end of the straight rack (17) penetrates through the outer wall of one side, away from the rubber membrane (2), of the shell (1) and then extends to the outer cavity of the shell (1), a section, located in the inner cavity of the hydraulic cylinder (14), of the straight rack (17) is sleeved with a third damping spring (21), and two ends of the third damping spring (21) are connected with the inner wall of the hydraulic cylinder (14) and the side wall of a third sliding block (16) respectively;
the teeth on the top walls of the two straight racks (17) on the upper side are meshed with an upper overturning gear (18), the upper overturning gear is fixedly arranged on the same upper overturning shaft (19), two ends of the upper overturning shaft (19) are rotatably arranged on the upper part of the inner wall of the shell (1), one side of the upper overturning shaft (19) departing from the shell (1) is fixedly provided with a protective fence (7), the middle part of the protective fence (7) is provided with a plurality of reinforcing ribs vertical to the steel rod, and the length of the protective fence (7) is 80-150 cm; a ratchet wheel (22) is mounted at one end of the upper turning shaft (19), a pawl (23) is meshed on the ratchet wheel (22) clockwise, the other end of the pawl (23) is hinged to the side wall of the upper support (20), a telescopic spring (24) is mounted on the side wall of the pawl (23) on the side away from the ratchet wheel (22), and the other end of the telescopic spring (24) is connected with the outer wall of the shell (1) on the side away from the rubber membrane (2);
when the upward turning shaft (19) turns anticlockwise, the pawl (23) does not engage with the ratchet wheel (22) at the moment, and the ratchet wheel (22) is driven to rotate anticlockwise;
two of downside tooth meshing on spur rack (17) diapire has lower upset gear (181), and this lower upset gear fixed mounting is on same root trip shaft (191), and the both ends of lower trip shaft (191) are passed through lower carriage (201) and are rotated and install the outer wall lower part that deviates from rubber involucra (2) one side in casing (1), and many support columns (8) are installed perpendicularly to one side that lower trip shaft (191) deviate from casing (1).
2. A road engineering protection system according to claim 1, characterised in that: the thickness of the rubber coating (2) is more than or equal to 3 cm, and the elastic modulus of the rubber coating (2) is 6-7 mpa.
3. A road engineering protection system according to claim 1, characterised in that: the free ends of the protective fence (7) and the supporting columns (8) are integrally formed with conical heads (25) for preventing the protective fence from entering a road.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011570613.0A CN112695675B (en) | 2020-12-26 | 2020-12-26 | Highway engineering protection system |
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| CN202011570613.0A CN112695675B (en) | 2020-12-26 | 2020-12-26 | Highway engineering protection system |
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| CN112695675B true CN112695675B (en) | 2022-04-22 |
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| CN112695675A (en) | 2021-04-23 |
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