Intelligent network connection road bridge height limiting system and height limiting method

Abstract

The invention discloses an intelligent network connection road bridge height limiting system and a height limiting method.The intelligent network connection road bridge height limiting system comprises a height limiting frame, a transverse rod is arranged on the height limiting frame in the vertical direction in a displaceable mode, and a plurality of inserting grooves are formed in the two sides of the height limiting frame from top to bottom at intervals; a supporting plate capable of moving in the horizontal direction is arranged in the inserting groove, the transverse rod is placed on the surface of the supporting plate, an air cylinder is arranged on the outer side of the height limiting frame, a piston rod of the air cylinder is connected with the supporting plate through a connecting rod, a hanging ring is arranged on the transverse rod, a telescopic air cylinder is arranged at the top of the height limiting frame, and a telescopic rod is arranged on the telescopic air cylinder. A piston rod of the telescopic cylinder is connected with a motor, and an output shaft of the motor is connected with a lifting hook, so that the lifting hook can at least partially rotate into the lifting ring. The height limiting frame solves the problems that in the prior art, height limiting adjustment cannot be conducted on a height limiting frame according to actual road section requirements, and meanwhile the overall damage rate is high once collision happens to the height limiting frame.

Description

Technical Field

[0001] The present invention relates to traffic facilities, and in particular to a height limiting system and a height limiting method for an intelligent networked road bridge. Background Art

[0002] The height limit frame is a traffic safety facility, which is mainly used to limit the height of vehicles to protect bridges, tunnels and other structures from being damaged by collisions of super-high vehicles. It is also used for traffic control and urban planning. For example, the Chinese patent with patent number CN201110390839.7 provides a height limit frame, in which the warning device is two height limit columns that can be installed on both sides of the road respectively, two relatively positioned and swingable bumper bars are arranged on the top of the height limit columns, and an alarm that is touched by the swing of the bumper bars is installed above the height limit columns. When in use, the height limit columns can be arranged on both sides of a certain distance in front of the bridge or culvert. When the super-high vehicle moves forward and hits the bumper bars, the bumper bars swing and the alarm is turned on to give a prompt; such as the height limit frame in the above-mentioned prior art, it cannot adjust the height limit according to the actual road section requirements. At the same time, once the height limit frame collides, the overall damage rate is high. Summary of the invention

[0003] The purpose of the present invention is to provide an intelligent networked road bridge height limit system and height limit method, which solves the problem that the height limit frame in the prior art cannot be adjusted according to the actual road section requirements, and at the same time, once a collision occurs, the overall damage rate of the height limit frame is relatively high.

[0004] In order to achieve the above-mentioned objectives, the present invention provides an intelligent networked road bridge height limit system, the intelligent networked road bridge height limit system includes a height limit frame, a cross bar is arranged on the height limit frame so as to be displaceable in the vertical direction, a plurality of slots are arranged on both sides of the height limit frame from top to bottom, support plates are arranged in the slots so as to be displaceable in the horizontal direction, the cross bar is placed on the surface of the support plate, a cylinder is arranged on the outer side of the height limit frame, the piston rod of the cylinder is connected to the support plate through a connecting rod, a lifting ring is arranged on the cross bar, a telescopic cylinder is arranged on the top of the height limit frame, a motor is connected to the piston rod of the telescopic cylinder, a hook is connected to the output shaft of the motor, so that the hook can be at least partially rotated into the lifting ring.

[0005] Preferably, cavities are formed on both sides of the height limiting frame, and both ends of the cross bar are located in the cavities respectively. An opening communicating with the cavities is formed on the side of the height limiting frame.

[0006] Preferably, a rotating shaft is provided at the opening, a limiting rod is rotatably provided on the rotating shaft, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is connected to the rotating shaft, and the other end is connected to the limiting rod.

[0007] Preferably, a controller is provided on the height limiting frame, and the controller is electrically connected to the cylinder, the telescopic cylinder and the motor respectively.

[0008] Preferably, a slide rail frame is arranged on the outer side of the height limiting frame, and the support plate is slidably arranged in the slide rail frame.

[0009] Preferably, a wireless receiving module is provided in the controller, and the controller can be remotely controlled through the wireless receiving module.

[0010] Preferably, a reflective plate is provided on the crossbar.

[0011] Preferably, an electronic screen is provided at the upper end of the height limit frame, and a laser rangefinder is provided at the top of the height limit frame, and the laser rangefinder can display the height measured by the crossbar through the electronic screen.

[0012] The present invention provides a height limiting method, which is performed using the above-mentioned intelligent networked road bridge height limiting system, and includes:

[0013] 1) Start the telescopic cylinder to bring the hook close to the lifting ring, start the motor to drive the hook to rotate, and then rotate to the lifting ring, reset the telescopic cylinder, and move the crossbar upward;

[0014] 2) Start the cylinder to move the support plate inwards so that it is located below the crossbar for support;

[0015] 3) Start the motor to drive the hook to rotate, thereby rotating the lifting ring to complete the up and down displacement of the crossbar.

[0016] Beneficial effect: The present invention provides an intelligent networked road bridge height limit system, the intelligent networked road bridge height limit system includes a height limit frame, a cross bar is arranged on the height limit frame so as to be displaceable in the vertical direction, a plurality of slots are arranged at intervals on both sides of the height limit frame from top to bottom, support plates are arranged in the slots so as to be displaceable in the horizontal direction, the cross bar is placed on the surface of the support plate, a cylinder is arranged on the outer side of the height limit frame, the piston rod of the cylinder is connected to the support plate through a connecting rod, a lifting ring is arranged on the cross bar, a telescopic cylinder is arranged on the top of the height limit frame, a motor is connected to the piston rod of the telescopic cylinder, a hook is connected to the output shaft of the motor, so that the hook can reach A small part rotates into the lifting ring; when the height of the cross bar needs to be adjusted and the height is limited according to the needs, the telescopic cylinder is started to make the hook close to the lifting ring, and the motor is started to drive the hook to rotate, so as to rotate to the lifting ring, reset the telescopic cylinder, and move the cross bar upward; start the cylinder to move the support plate inward so as to be located under the cross bar for support; start the motor to drive the hook to rotate, so as to rotate out of the lifting ring and complete the up and down displacement of the cross bar; when the vehicle collides with the cross bar without paying attention, the cross bar will be directly collided and fall off, and will not cause damage to the overall height limit frame, thereby reducing maintenance costs. At the same time, the height limit frame can remotely control the height adjustment of the cross bar, which greatly improves the scope of application of the height limit frame.

[0017] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a front structural diagram of the intelligent networked road bridge height limiting system provided by the present invention;

[0020] Figure 2 It is a back structural diagram of the intelligent networked road bridge height limiting system provided by the present invention;

[0021] Figure 3 yes Figure 2 A magnified view of part A;

[0022] Figure 4 yes Figure 2 Enlarged view of part B.

[0023] Description of Reference Numerals

[0024] 1-height limit frame; 2-electronic screen; 3-cross bar; 4-controller; 5-slide rail frame; 6-cylinder; 7-connecting rod; 8-support plate; 9-telescopic cylinder; 10-motor; 11-hook; 12-lifting ring; 13-limit rod; 14-rotating shaft. DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0026] like Figure 1-4 As shown: The present invention provides an intelligent networked road bridge height limit system, the intelligent networked road bridge height limit system includes a height limit frame 1, a cross bar 3 is arranged on the height limit frame 1 so as to be displaceable in the vertical direction, a plurality of slots are arranged on both sides of the height limit frame 1 at intervals from top to bottom, support plates 8 are arranged in the slots so as to be displaceable in the horizontal direction, the cross bar 3 is placed on the surface of the support plate 8, a cylinder 6 is arranged on the outer side of the height limit frame 1, the piston rod of the cylinder 6 is connected to the support plate 8 through a connecting rod 7, a lifting ring 12 is arranged on the cross bar 3, a telescopic cylinder 9 is arranged on the top of the height limit frame 1, a motor 10 is connected to the piston rod of the telescopic cylinder 9, a hook 11 is connected to the output shaft of the motor 10, so that the hook 11 can be at least partially rotated into the lifting ring 12. When the height of the crossbar needs to be adjusted and the height limit is imposed as required, the telescopic cylinder is started to move the hook close to the lifting ring, the motor is started to drive the hook to rotate, and thus rotate to the lifting ring, reset the telescopic cylinder, and move the crossbar upward; the cylinder is started to move the support plate inward so that it is located below the crossbar for support; the motor is started to drive the hook to rotate, thereby rotating out of the lifting ring to complete the up and down displacement of the crossbar; when the vehicle collides with the crossbar without paying attention, the crossbar will be directly collided and fall off, and the overall height limit frame will not be damaged, thereby reducing maintenance costs. At the same time, the height limit frame can remotely control the height adjustment of the crossbar, which greatly improves the scope of application of the height limit frame.

[0027] In a preferred embodiment of the present invention, in order to enable the cross bar 3 to fall off during a collision without affecting the overall height limit frame, cavities are formed on both sides of the height limit frame 1, and the two ends of the cross bar 3 are respectively located in the cavities, and the side of the height limit frame 1 is formed with an opening connected to the cavity.

[0028] In a preferred embodiment of the present invention, in order to limit the cross bar with a certain strength to prevent it from accidentally falling off due to weather or other reasons, a rotating shaft 14 is provided at the opening, and a limiting rod 13 is rotatably provided on the rotating shaft 14. A torsion spring is sleeved on the rotating shaft 14, and one end of the torsion spring is connected to the rotating shaft 14, and the other end is connected to the limiting rod 13.

[0029] In a preferred embodiment of the present invention, in order to facilitate centralized control of the cylinder 6, the telescopic cylinder 9 and the motor 10, a controller 4 is provided on the height limiting frame 1, and the controller 4 is electrically connected to the cylinder 6, the telescopic cylinder 9 and the motor 10 respectively.

[0030] In a preferred embodiment of the present invention, in order to limit the sliding of the support plate, a slide rail frame 5 is provided on the outer side of the height limiting frame 1 , and the support plate 8 is slidably disposed in the slide rail frame 5 .

[0031] In a preferred embodiment of the present invention, in order to enable remote control to adjust the height of the crossbar, a wireless receiving module is provided in the controller 4, and the controller 4 can be remotely controlled through the wireless receiving module.

[0032] In a preferred embodiment of the present invention, in order to achieve a good warning effect at night, a reflective plate is provided on the cross bar 3 .

[0033] In a preferred embodiment of the present invention, in order to timely remind passing vehicles of the height limit, an electronic screen 2 is provided at the upper end of the height limit frame 1, and a laser rangefinder is provided on the top of the height limit frame 1. The laser rangefinder can display the height measured by the cross bar 3 through the electronic screen 2.

[0034] The present invention also provides a height limiting method, comprising:

[0035] 1. Start the telescopic cylinder 9 to bring the hook 11 close to the lifting ring 12, start the motor 10 to drive the hook 11 to rotate, and then rotate to the lifting ring 12, reset the telescopic cylinder 9, and move the crossbar 3 upward;

[0036] 2. Start the cylinder 6 to move the support plate 8 inward so that it is located below the crossbar 3 for support;

[0037] 3. Start the motor 10 to drive the hook 11 to rotate, thereby rotating the ring 12 to complete the up and down displacement of the cross bar 3.

[0038] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0039] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0040] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. An intelligent networked road bridge height limit system, characterized in that: The intelligent networked road bridge height limit system comprises a height limit frame (1), a cross bar (3) is arranged on the height limit frame (1) so as to be displaceable in the vertical direction, a plurality of slots are arranged at intervals from top to bottom on both sides of the height limit frame (1), support plates (8) are arranged in the slots so as to be displaceable in the horizontal direction, the cross bar (3) is placed on the surface of the support plate (8), a cylinder (6) is arranged on the outer side of the height limit frame (1), a piston rod of the cylinder (6) is connected to the support plate (8) through a connecting rod (7), a lifting ring (12) is arranged on the cross bar (3), a telescopic cylinder (9) is arranged on the top of the height limit frame (1), a motor (10) is connected to the piston rod of the telescopic cylinder (9), and a lifting hook (11) is connected to the output shaft of the motor (10), so that the lifting hook (11) can at least partially rotate into the lifting ring (12).

2. The intelligent networked road bridge height limit system according to claim 1 is characterized in that: Cavities are formed on both sides of the height limiting frame (1), both ends of the cross bar (3) are located in the cavities, and openings communicating with the cavities are formed on the side of the height limiting frame (1).

3. The intelligent networked road bridge height limit system according to claim 2 is characterized in that: A rotating shaft (14) is arranged at the opening, a limiting rod (13) is rotatably arranged on the rotating shaft (14), a torsion spring is sleeved on the rotating shaft (14), one end of the torsion spring is connected to the rotating shaft (14), and the other end is connected to the limiting rod (13).

4. The intelligent networked road bridge height limit system according to claim 3 is characterized in that: The height-limiting frame (1) is provided with a controller (4), and the controller (4) is electrically connected to the cylinder (6), the telescopic cylinder (9) and the motor (10) respectively.

5. The intelligent networked road bridge height limit system according to claim 4 is characterized in that: A slide rail frame (5) is arranged on the outer side of the height limiting frame (1), and the support plate (8) is slidably arranged in the slide rail frame (5).

6. The intelligent networked road bridge height limit system according to claim 5, characterized in that: The controller (4) is provided with a wireless receiving module, and the controller (4) can be remotely controlled via the wireless receiving module.

7. The intelligent networked road bridge height limit system according to claim 6, characterized in that: A reflector is provided on the crossbar (3).

8. The intelligent networked road bridge height limit system according to claim 7, characterized in that: An electronic screen (2) is arranged at the upper end of the height-limiting frame (1), and a laser rangefinder is arranged at the top of the height-limiting frame (1). The laser rangefinder can display the height measured by the crossbar (3) through the electronic screen (2).

9. A height limiting method, characterized in that: The height limiting method is performed using the intelligent connected road bridge height limiting system according to claim 8, comprising: 1) By starting the telescopic cylinder (9), the hook (11) is brought close to the lifting ring (12), and the motor (10) is started to drive the hook (11) to rotate, thereby rotating to the lifting ring (12), resetting the telescopic cylinder (9), and moving the crossbar (3) upward; 2) Activate the cylinder (6) to move the support plate (8) inwards so that it is located below the crossbar (3) for support; 3) Start the motor (10) to drive the hook (11) to rotate, thereby rotating the ring (12) to complete the up and down displacement of the crossbar (3).

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