阅读说明：本技术 一种隧道入口的一阶段限高防护系统 (One-stage height limiting protection system for tunnel entrance ) 是由 周锡武 汪祥宇 于 2019-11-14 设计创作，主要内容包括：本发明公开了一种隧道入口的一阶段限高防护系统,包括路面,所述路面左右两侧均固定安装有第一固定桩和第二固定桩,所述第一固定桩和第二固定桩上端分别通过轴承转动连接有第一螺杆和第二螺杆,所述第一螺杆和第二螺杆上端分别螺纹连接有第一移动座和第二移动座。本发明首先能够对超过最大限位高度的车辆进行警醒,若驾驶人员未关注到警醒信号继续前进时,通过限高杆对车辆进行限制,限制车辆继续行驶,首先通过限高杆前侧的第一弹簧和防护板的设置,对车辆进行一次防护、给驾驶员警觉,再次通过第二弹簧,对车辆进行再次缓冲、防护,逼停车辆,可根据实际使用需求对限高杆、红外线发射器和红外线接收器的高度进行调整,使得使用范围更加广泛。(The invention discloses a one-stage height-limiting protection system for a tunnel entrance, which comprises a road surface, wherein a first fixing pile and a second fixing pile are fixedly arranged on the left side and the right side of the road surface, the upper ends of the first fixing pile and the second fixing pile are respectively and rotatably connected with a first screw rod and a second screw rod through bearings, and the upper ends of the first screw rod and the second screw rod are respectively and threadedly connected with a first movable seat and a second movable seat. The invention can firstly warn vehicles exceeding the maximum limit height, and limit the vehicles to continue running through the height limit rod if drivers do not pay attention to the fact that the warning signal continues to advance.)

1. A tunnel portal's a stage limit for height protection system, includes road surface (1), its characterized in that: the road surface is characterized in that a first fixing pile (2) and a second fixing pile (3) are fixedly mounted on the left side and the right side of the road surface (1), the upper ends of the first fixing pile (2) and the second fixing pile (3) are respectively connected with a first screw (4) and a second screw (5) in a rotating mode through bearings, the upper ends of the first screw (4) and the second screw (5) are respectively connected with a first movable seat (6) and a second movable seat (7) in a threaded mode, the upper end of the first fixing pile (2) is located on the outer side of the first movable seat (6), the upper end of the second fixing pile (3) is located on the outer side of the second movable seat (7), a limiting cylinder (8) is welded on the outer side of the limiting cylinder (8), a top plate (9) is welded on the upper end of the top plate (9), a motor (10) is fixedly mounted on the upper ends of the first screw (4) and the second screw (5) and corresponds to an output, lie in same side upper end fixed mounting has horizontal pole (11), and is two sets of horizontal pole (11) are all seted up at half section behind the side that is close to each other in first removal seat (6) and second removal seat (7), sliding groove (12) have been slided to sliding groove (12) sliding connection has slider (13), and the welding has limit for height pole (14) between two sets of slider (13), the even fixedly connected with first spring (15) of limit for height pole (14) leading flank, a side fixedly connected with guard plate (16) of limit for height pole (14) are kept away from in first spring (15), fixed mounting has guide bar (17) in spout (12), guide bar (17) run through the through-hole on slider (13), on guide bar (17) and lie in slider (13) rear side cover and be equipped with second spring (18), install early warning system on first spud pile (2), early warning system includes controller, An infrared emitter (19), an infrared receiver (20), a buzzer (21) and an early warning lamp (22).

2. A tunnel portal one-stage height-limiting protection system according to claim 1, wherein: spacing section of thick bamboo (8), first removal seat (6) and second remove seat (7) and all are the rectangle, the interior limit of spacing section of thick bamboo (8) removes seat (7) outside phase-match with first removal seat (6) and second.

3. A tunnel portal one-stage height-limiting protection system according to claim 1, wherein: a first open slot is formed in one side face, located on the cross rod (11), of the limiting barrel (8), and the width of the first open slot is matched with that of the cross rod (11).

4. A tunnel portal one-stage height-limiting protection system according to claim 1, wherein: the cross section of the height limiting rod (14) is circular, the cross section of the protection plate (16) is semicircular, and a rubber layer is bonded on the outer side surface of the protection plate (16).

5. A tunnel portal one-stage height-limiting protection system according to claim 1, wherein: the infrared emitter (19), the infrared receiver (20), the buzzer (21), the early warning lamp (22) and the motor (10) are all electrically connected with the controller.

6. A tunnel portal one-stage height-limiting protection system according to claim 1, wherein: buzzer (21) and warning light (22) are installed in the front side spacing section of thick bamboo (8) front side upper end, and the front side is two sets of the second open slot has all been seted up to the side that spacing section of thick bamboo (8) are close to each other, infrared emitter (19) pass second open slot fixed connection in the left side on first removal seat (6), infrared receiver (20) pass second open slot fixed connection in the right side on first removal seat (6).

7. A tunnel portal one-stage height-limiting protection system according to claim 1, wherein: rear side roof (9) front side installs camera (23), camera (23) and controller electric connection.

Technical Field

The invention relates to the technical field of tunnel safety, in particular to a one-stage height limiting protection system for a tunnel entrance.

Background

Can restrict the height of passing vehicle at the tunnel portal, generally set up warning sign, limit for height pole at the tunnel portal, if vehicle driver notices the warning sign not, direct forward goes, with limit for height pole direct contact, does not have the buffering protection, causes the accident easily to the altitude mixture control of limit for height pole is inconvenient, can not satisfy the demand to different maximum heights. For this reason, we propose a kind of tunnel entry one-stage height-limiting protection system.

Disclosure of Invention

The present invention is directed to a tunnel entrance one-stage height-limiting protection system to solve the above problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a stage height-limiting protection system for a tunnel entrance comprises a road surface, wherein a first fixing pile and a second fixing pile are fixedly installed on the left side and the right side of the road surface, the upper ends of the first fixing pile and the second fixing pile are respectively and rotatably connected with a first screw rod and a second screw rod through bearings, the upper ends of the first screw rod and the second screw rod are respectively in threaded connection with a first movable seat and a second movable seat, the upper end of the first fixing pile is positioned on the outer side of the first movable seat and the upper end of the second fixing pile is positioned on the outer side of the second movable seat, a limiting barrel is welded on the upper end of the limiting barrel, a motor is fixedly installed on the upper end of the top plate, the upper ends of the first screw rod and the second screw rod are fixedly connected with an output shaft corresponding to the motor, a cross rod is fixedly installed on the upper end of the first movable seat and the second movable seat, and two groups of cross rods are provided with, sliding connection has the slider in the spout, and the welding has the limit for height pole between two sets of sliders, the even first spring of fixedly connected with of limit for height pole leading flank, a side fixedly connected with guard plate of limit for height pole is kept away from to first spring, fixed mounting has the guide bar in the spout, the guide bar runs through the through-hole on the slider, it is equipped with the second spring just to be located the slider rear side cover on the guide bar, install early warning system on the first spud pile, early warning system includes controller, infrared emitter, infrared receiver, bee calling organ and early warning lamp.

Preferably, spacing section of thick bamboo, first removal seat and second remove the seat and all be the rectangle, the interior limit of a section of thick bamboo and first removal seat and the second remove the outside phase-match.

Preferably, a first open slot is formed in one side face, located on the cross rod, of the limiting barrel, and the width of the first open slot is matched with that of the cross rod.

Preferably, the cross section of the height limiting rod is circular, the cross section of the protection plate is semicircular, and a rubber layer is bonded on the outer side surface of the protection plate.

Preferably, the infrared emitter, the infrared receiver, the buzzer, the early warning lamp and the motor are all electrically connected with the controller.

Preferably, buzzer and warning light are installed in the front side spacing section of thick bamboo front side upper end, and the front side is two sets of the second open slot has all been seted up to the side that spacing section of thick bamboo is close to each other, infrared emitter passes second open slot fixed connection in left side on the first removal seat, infrared receiver passes second open slot fixed connection in right side on the first removal seat.

Preferably, the camera is installed to the rear side roof front side, camera and controller electric connection.

Compared with the prior art, the invention has the beneficial effects that: the invention can firstly warn vehicles exceeding the maximum limit height, and limit the vehicles to continue running through the height limit rod if drivers do not pay attention to the fact that the warning signal continues to advance. When a vehicle passes between the two groups of first fixing piles, the infrared emitter emits a signal, if the signal is blocked by the vehicle, the infrared receiver fails to receive the signal, the height of the vehicle is higher than the maximum limiting height, the information is transmitted to the controller, the controller controls the buzzer to sound, the early warning lamp lights, the warning effect is played for the driver, the driver is reminded to go around, if the driver carelessly reminds to continue to rush, the part of the vehicle which is higher than the height is firstly contacted with the protection plate on the front side of the height limiting rod, the buffering effect is played through the elastic force of the first spring, the vehicle is protected, at the moment, the first spring is compressed, meanwhile, the acting force of the first spring gives the driver an alert, when the vehicle continues to move forwards, the height limiting rod drives the first movable seat and the second movable seat to slide backwards on the guide rod, the second spring is continuously compressed, and the vehicle is buffered and protected, the vehicle is forced to stop, the first screw rod and the second screw rod are rotated through the work of the motor, so that the first movable seat and the second movable seat can move up and down, the height of the height limiting rod can be conveniently adjusted according to actual use requirements, and meanwhile, the heights of the infrared transmitter and the infrared receiver are adjusted accordingly.

Drawings

FIG. 1 is a schematic front side view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of a connection structure of the height limiting rod, the first spring and the protection plate according to the present invention;

FIG. 4 is a schematic view of an electrical connection structure according to the present invention.

In the figure: 1 road surface, 2 first spud piles, 3 second spud piles, 4 first screw rods, 5 second screw rods, 6 first removal seats, 7 second removal seats, 8 spacing section of thick bamboos, 9 roof, 10 motors, 11 horizontal poles, 12 spouts, 13 sliders, 14 limit for height poles, 15 first springs, 16 guard plates, 17 guide bars, 18 second springs, 19 infrared emitter, 20 infrared receiver, 21 bee calling organ, 22 early warning lights, 23 cameras.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a tunnel entry stage height-limiting protection system comprises a road surface 1, wherein a first fixing pile 2 and a second fixing pile 3 are fixedly mounted on the left side and the right side of the road surface 1 respectively, the upper ends of the first fixing pile 2 and the second fixing pile 3 are respectively connected with a first screw rod 4 and a second screw rod 5 in a rotating mode through bearings, the upper ends of the first screw rod 4 and the second screw rod 5 are respectively connected with a first movable seat 6 and a second movable seat 7 in a threaded mode, a limiting cylinder 8 is welded on the upper end of the first fixing pile 2 and located on the outer side of the first movable seat 6 and the upper end of the second fixing pile 3 and located on the outer side of the second movable seat 7 respectively, a top plate 9 is welded on the upper end of the limiting cylinder 8, a motor 10 is fixedly mounted on the top plate 9, the upper ends of the first screw rod 4 and the second screw rod 5 are fixedly connected with an output shaft corresponding to the motor 10, and a cross rod 11 is fixedly mounted on the same side and located on the upper end between, two sets of spout 12 has all been seted up to the half section in a side back that horizontal pole 11 is close to each other, sliding connection has slider 13 in spout 12, and the welding has limit for height pole 14 between two sets of sliders 13, the even first spring 15 of fixedly connected with in limit for height pole 14 leading flank, a side fixedly connected with guard plate 16 of limit for height pole 14 is kept away from to first spring 15, fixed mounting has guide bar 17 in spout 12, guide bar 17 runs through the through-hole on the slider 13, it is equipped with second spring 18 just to be located slider 13 rear side cover on the guide bar 17, install early warning system on the first spud pile 2, early warning system includes controller, infrared emitter 19, infrared receiver 20, bee calling organ 21 and early warning lamp 22.

Specifically, a spacing section of thick bamboo 8, first removal seat 6 and second remove seat 7 and all are the rectangle, the interior limit of a spacing section of thick bamboo 8 removes 7 outside phase-matches with first removal seat 6 and second, and a spacing section of thick bamboo 8 removes seat 7 to first removal seat 6 and second and plays the limiting displacement for when first screw rod 4 and second screw rod 5 rotate, first removal seat 6 and second remove seat 7 and can only carry out the up-and-down motion, can not follow first screw rod 4 and second screw rod 5 and rotate rotatoryly.

Specifically, a first open slot has been seted up to a side that spacing section of thick bamboo 8 is located horizontal pole 11, the width and the horizontal pole 11 phase-match of first open slot, first open slot and horizontal pole 11 phase-match for horizontal pole 11 can follow first removal seat 6 and second and remove seat 7 and carry out the up-and-down motion.

Specifically, the cross section of limit for height pole 14 is circular, guard plate 16 cross section is semicircle annular, 16 lateral surfaces of guard plate bond has the rubber layer for limit for height pole 14 and guard plate 16 do not have the edges and corners with the vehicle contact surface, reduce the damage to the vehicle.

Specifically, the infrared emitter 19, the infrared receiver 20, the buzzer 21, the warning light 22 and the motor 10 are electrically connected to the controller.

Specifically, the buzzer 21 and the early warning lamp 22 are installed at the upper end of the front side of the front limiting cylinder 8, a second open slot is arranged on one side surface of the front side, which is close to the two groups of limiting cylinders 8, the infrared emitter 19 is fixedly connected to the first movable base 6 on the left side through a second open slot, the infrared receiver 20 is fixedly connected to the first moving seat 6 on the right side through a second open slot, the height of the infrared emitter 19 and the infrared receiver 20 from the road surface 1 is the maximum limit height, the infrared emitter 19 emits a signal to the infrared receiver 20, if the signal is blocked by a vehicle, the infrared receiver 20 fails to receive the signal, the height of the vehicle is higher than the maximum limit height, information is transmitted to the controller, the controller controls the buzzer 21 to sound, the early warning lamp is turned on, the warning effect is achieved for the driver, and the driver is reminded to go round.

Specifically, the rear side camera 23 is installed to roof 9 front side, camera 23 and controller electric connection shoot the condition through the vehicle through camera 23, and the later stage staff of being convenient for handles according to actual conditions.

Specifically, when the vehicle passes between two groups of first fixing piles 2 in use, the infrared emitter 19 emits a signal, if the signal is blocked by the vehicle and the infrared receiver 20 fails to receive the signal, the height of the vehicle is higher than the maximum limit height, the information is transmitted to the controller, the controller controls the buzzer 21 to sound, the early warning lamp is on, the warning effect is provided for the driver, the driver is reminded to go around, if the driver carelessly reminds to continue to rush, the part of the vehicle which is higher than the height limit rod 14 firstly contacts with the protection plate 16 at the front side of the height limit rod 14, the buffering effect is provided through the elastic force of the first spring 15, the vehicle is protected, at the moment, the first spring 15 is compressed, meanwhile, the acting force of the first spring 15 gives the driver a warning effect, when the vehicle continues to move forwards, the height limit rod 14 drives the first moving seat 6 and the second moving seat 7 to slide backwards on the guide rod 17, the continuous compression second spring 18 cushions, protects the vehicle, forces to stop the vehicle, makes first screw rod 4 and second screw rod 5 rotate through the work of motor 10 to make first removal seat 6 and second remove seat 7 and reciprocate, be convenient for adjust the height of limit for height pole 14 according to the in-service use needs, infrared emitter 19 and infrared receiver 20's height is adjusted thereupon simultaneously. The invention can firstly warn vehicles exceeding the maximum limit height, and if the driver does not pay attention to the fact that the warning signal continues to advance, the vehicle is limited by the height limit rod 14 and is limited to continue to run, firstly, the vehicle is protected once and the driver is warned by the arrangement of the first spring 15 and the protection plate 16 on the front side of the height limit rod 14, and the vehicle is buffered and protected again by the second spring 18 to force the vehicle to stop.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.