Height limiting device for roads and bridges

By integrating technologies such as height detectors, hydraulic cylinders, warning lights and dampers in road bridge height limit devices, the damage caused by the lack of height identification of existing height limit devices is solved, and higher safety and applicability are achieved.

CN222313867UActive Publication Date: 2025-01-07黑龙江省高速公路服务中心
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Patent Information

Application Number
CN202420976018.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-01-07
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

The existing height limiting devices for road and bridges lack height distance recognition devices, which may cause damage to the device due to misjudgment or failure to observe the height limiting sign.

Method used

A height limit device including a height detector, hydraulic cylinder, warning light, damper and servo motor was designed. The height of the vehicle is detected through the height detector, the hydraulic cylinder adjusts the height of the height limit plate, the warning light is used to warn, and the damper is used to detect the vehicle height. And the compression spring reduces impact force, and improves the applicability and safety of the device with the display and camera.

Benefits of technology

It effectively avoids device damage caused by driver misjudgment, reduces the possibility of damage to vehicles and devices, and improves the applicability and safety of height-limiting devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a road bridge height limiting device, relates to height limiting device technical field, including fixed mount, fixed mount one side is fixedly equipped with two bracing frame, two bracing frame one side far away from fixed mount is inlayed with the height detector, fixed mount two side inner wall sliding connection has fixed plate, fixed mount one side is equipped with the height detector, fixed mount one side is equipped with the height detector, fixed mount two side inner wall is connected with the fixed plate, fixed mount one side is equipped with the height detector, fixed mount one side is equipped with the fixed mount one side is equipped with the fixed mount two side inner wall. The bottom of the fixing plate is fixedly provided with a height limiting plate, and one side of the fixing plate is embedded with two warning lamps. The beneficial effects of the utility model are that the height of a running vehicle is detected through the arranged height detector, and warning is further carried out through cooperation of the warning lamps; the possibility that a driver collides with the device due to misjudgment or no observation of the display screen is avoided, meanwhile, when the vehicle makes contact with the auxiliary block, the auxiliary block is impacted to move, the arranged damper is matched with the compression spring, the impact force borne by the auxiliary block is reduced, and then the possibility that the device and the vehicle are damaged is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of height limiting devices, in particular to a height limiting device for roads and bridges. Background Art

[0002] Road bridges are generally composed of roadbed, pavement and bridge. The height limit poles installed on the surface of roads and bridges serve to limit the height of the top of the vehicle. When the vehicle is too high, it cannot pass through the road bridge. The purpose is to ensure smooth roads and reduce damage to the road surface.

[0003] The existing height limit device for roads and bridges does not have a height distance recognition device, which cannot prevent the driver from causing damage to the height limit device due to misjudgment or failure to observe the height limit sign. For this reason, we propose a height limit device for roads and bridges. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a height limiting device for roads and bridges, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a height limiting device for a road bridge, comprising a fixed frame, two support frames are fixedly installed on one side of the fixed frame, and the two support frames are inlaid with height detectors on one side away from the fixed frame, a fixed plate is slidably connected between the inner walls of both sides of the fixed frame, a limited height plate is fixedly installed on the bottom of the fixed plate, two warning lights are inlaid on one side of the fixed plate, two hydraulic cylinders are inlaid on the bottom of the fixed frame, the output ends of the two hydraulic cylinders are fixedly connected to the fixed plate, an auxiliary block is slidably connected to the bottom of the fixed plate, two T-shaped sliding bars are fixedly installed on the side of the auxiliary block close to the limited height plate, the two T-shaped sliding bars are inserted into the interior of the limited height plate and slidably connected thereto, a plurality of dampers are inlaid on the side of the limited height plate close to the auxiliary block, the output ends of the plurality of dampers are fixedly connected to the auxiliary block, compression springs are arranged on the outer sides of the plurality of dampers, and the two ends of the plurality of compression springs are respectively fixedly connected to the limited height plate and the auxiliary block.

[0006] Preferably, sliders are fixedly installed on the corresponding two sides of the fixed plate, and the two sliders are inserted into the interior of the fixed frame and slidably connected thereto, and guide rods are provided inside the two sliders, and the guide rods pass through the slider and are slidably connected thereto, and the two guide rods are fixedly connected to the fixed frame, and a pointer is fixedly installed on one side of one of the sliders, and the pointer passes through one side of the fixed frame and is slidably connected thereto, and a scale line cooperating with the pointer is provided on one side of the fixed frame, and the fixed plate is more stable when moving longitudinally by cooperating with the slider and the guide rod, and the accuracy of adjusting the position of the fixed plate is improved by cooperating with the pointer and the scale line.

[0007] Preferably, a display screen is embedded on one side of the fixing frame, two light strips are fixedly installed inside the fixing plate, a transparent plastic plate is fixedly installed on one side of the fixing plate and on one side of the two light strips, and a reflective strip is arranged on one side of the auxiliary block, and the light strip cooperates with the transparent plastic plate to provide an additional light source supplement for the device.

[0008] Preferably, two groups of adjustment structures are provided on the fixed plate, and the adjustment structure includes a fixed block, and the fixed blocks are fixedly connected to the fixed plate, a connecting block is provided on one side of the fixed block, and a fixing rod is embedded on one side of the connecting block, and the fixing rod and the connecting block are inserted into the interior of the fixed block and rotatably connected thereto, a servo motor is fixedly installed inside the fixed block, and the output end of the servo motor is fixedly connected to the fixing rod, and a camera is fixedly installed on the side of the connecting block away from the fixed block, so that a monitoring effect is achieved through the arranged camera.

[0009] Preferably, a solar panel is fixedly mounted on the top of the fixing frame, two batteries are arranged inside the fixing frame, the two batteries are electrically connected to the solar panel, the batteries are electrically connected to the height detector, servo motor, camera, hydraulic cylinder, light bar and display screen, and bases are fixedly mounted on the bottom of both sides of the fixing frame, and the solar panel cooperates with the battery to convert light energy into electrical energy to power the equipment on the device.

[0010] Preferably, a controller is embedded on one side of the fixing frame, a protective plate is provided on the side of the controller away from the fixing frame, the protective plate is inserted into the interior of the fixing frame and is slidably connected thereto, a plurality of fixing bolts are provided on the side of the protective plate away from the fixing frame, a plurality of the fixing bolts all penetrate the protective plate and are threadedly connected thereto, a plurality of the fixing bolts all are inserted into the interior of the fixing frame and are threadedly connected thereto, the controller is electrically connected to the height detector, the servo motor, the camera, the hydraulic cylinder, the light bar, the warning light and the display screen, the protective plate is fixedly connected to the fixing frame by the set fixing bolts, thereby protecting the controller, and controlling the equipment on the device by the set controller.

[0011] The utility model provides a height limiting device for roads and bridges, which has the following beneficial effects:

[0012] 1. The height limit device for road bridges detects the height of the moving vehicle through a height detector, and further warns through a warning light to avoid the possibility of the driver colliding with the device due to misjudgment or failure to observe the display screen. At the same time, when the vehicle contacts the auxiliary block, the auxiliary block is impacted and moved, and the damper and compression spring are used to reduce the impact force on the auxiliary block, thereby reducing the possibility of damage to the device and the vehicle.

[0013] 2. The height limiting device for road bridges is operated by two hydraulic cylinders to adjust the height of the fixed plate, thereby improving the applicability of the device, and the height limit of the device is displayed on a set display screen, so that the height limit displayed on the display screen can be changed according to the adjustment of the position of the fixed plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 For this utility model Figure 2 A in the enlarged view;

[0017] Figure 4 This is an exploded view of the internal structure of the fixing frame of the utility model;

[0018] Figure 5 It is a schematic diagram of the adjustment structure of the utility model;

[0019] Figure 6 It is an exploded view of the local structure of the utility model.

[0020] In the figure: 1. fixing frame; 2. fixing plate; 3. height limit plate; 4. auxiliary block; 5. support frame; 6. height detector; 7. fixing block; 8. fixing rod; 9. servo motor; 10. connecting block; 11. camera; 12. hydraulic cylinder; 13. guide rod; 14. slider; 15. pointer; 16. reflective strip; 17. T-shaped slide bar; 18. damper; 19. compression spring; 20. light bar; 21. transparent plastic plate; 22. warning light; 23. solar panel; 24. battery; 25. display screen; 26. base; 27. protective plate; 28. fixing bolt; 29. ​​controller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figures 1 to 6The utility model provides a technical solution: a height limiting device for a road bridge, comprising a fixed frame 1, two support frames 5 are fixedly installed on one side of the fixed frame 1, and the two support frames 5 are inlaid with height detectors 6 on the sides away from the fixed frame 1. A fixed plate 2 is slidably connected between the inner walls of both sides of the fixed frame 1, a limited height plate 3 is fixedly installed on the bottom of the fixed plate 2, and two warning lights 22 are inlaid on one side of the fixed plate 2. Two hydraulic cylinders 12 are inlaid at the bottom of the fixed frame 1, and the output ends of the two hydraulic cylinders 12 are fixedly connected to the fixed plate 2. An auxiliary block 4 is slidably connected to the bottom of the fixed plate 2, and two T-shaped slide bars 17 are fixedly installed on one side of the auxiliary block 4 close to the limited height plate 3. The two T-shaped slide bars 17 are inserted into the interior of the limited height plate 3 and slidably connected thereto. A plurality of dampers 18 are inlaid on one side of the limited height plate 3 close to the auxiliary block 4, and the output ends of the plurality of dampers 18 are fixedly connected to the auxiliary block 4. Compression springs 19 are arranged on the outer sides of the plurality of dampers 18, and the two ends of the plurality of compression springs 19 are respectively fixedly connected to the limited height plate 3 and the auxiliary block 4.

[0023] Slide blocks 14 are fixedly installed on the corresponding two sides of the fixed plate 2. The two slide blocks 14 are inserted into the interior of the fixed frame 1 and are slidably connected thereto. Guide rods 13 are provided inside the two slide blocks 14. The guide rods 13 pass through the slide blocks 14 and are slidably connected thereto. The two guide rods 13 are fixedly connected to the fixed frame 1. A pointer 15 is fixedly installed on one side of one of the slide blocks 14. The pointer 15 passes through one side of the fixed frame 1 and is slidably connected thereto. A scale line cooperating with the pointer 15 is provided on one side of the fixed frame 1. The cooperation between the slide blocks 14 and the guide rods 13 makes the fixed plate 2 more stable when moving longitudinally, and the cooperation between the pointer 15 and the scale line improves the accuracy of position adjustment of the fixed plate 2.

[0024] A display screen 25 is embedded on one side of the fixing frame 1, two light strips 20 are fixedly installed inside the fixing plate 2, a transparent plastic plate 21 is fixedly installed on one side of the fixing plate 2 and on one side of the two light strips 20, and a reflective strip 16 is arranged on one side of the auxiliary block 4. The light strip 20 cooperates with the transparent plastic plate 21 to provide an additional light source supplement for the device, making it easier for people to find the device.

[0025] Two groups of adjustment structures are arranged on the fixed plate 2, and the adjustment structures include a fixed block 7, and the fixed blocks 7 are fixedly connected to the fixed plate 2. A connecting block 10 is arranged on one side of the fixed block 7, and a fixing rod 8 is inlaid on one side of the connecting block 10. The fixing rod 8 and the connecting block 10 are inserted into the interior of the fixed block 7 and are rotatably connected thereto. A servo motor 9 is fixedly installed inside the fixed block 7, and the output end of the servo motor 9 is fixedly connected to the fixing rod 8. A camera 11 is fixedly installed on the side of the connecting block 10 away from the fixed block 7, and a monitoring effect is achieved through the arranged camera 11, and the angle of the camera 11 can be adjusted conveniently through the drive of the arranged servo motor 9.

[0026] A solar panel 23 is fixedly installed on the top of the fixing frame 1, and two batteries 24 are arranged inside the fixing frame 1. The two batteries 24 are electrically connected to the solar panel 23. The batteries 24 are electrically connected to the height detector 6, the servo motor 9, the camera 11, the hydraulic cylinder 12, the light bar 20 and the display screen 25. Bases 26 are fixedly installed on the bottom of both sides of the fixing frame 1. The solar panel 23 cooperates with the battery 24 to convert light energy into electrical energy to power the equipment on the device, thereby improving the utilization rate of resources.

[0027] A controller 29 is embedded on one side of the fixing frame 1, and a protective plate 27 is arranged on the side of the controller 29 away from the fixing frame 1. The protective plate 27 is inserted into the interior of the fixing frame 1 and is slidably connected thereto. A plurality of fixing bolts 28 are arranged on the side of the protective plate 27 away from the fixing frame 1, and the plurality of fixing bolts 28 all penetrate the protective plate 27 and are threadedly connected thereto. The plurality of fixing bolts 28 are all inserted into the interior of the fixing frame 1 and are threadedly connected thereto. The controller 29 is electrically connected to the height detector 6, the servo motor 9, the camera 11, the hydraulic cylinder 12, the light bar 20, the warning light 22 and the display screen 25. The protective plate 27 is fixedly connected to the fixing frame 1 by the set fixing bolts 28, thereby protecting the controller 29, and controlling the equipment on the device by the set controller 29.

[0028] To sum up, when the height limiting device for road bridges is used, the device is fixed by the fixing holes set on the base 26 and the existing fixing bolts. At the same time, the two hydraulic cylinders 12 are controlled by the controller 29 to adjust the height of the fixed plate 2, thereby improving the applicability of the device. The height limit of the device is displayed on the display screen 25, which is convenient for changing the height limit displayed on the display screen 25 according to the adjustment of the position of the fixed plate 2.

[0029] The height of the moving vehicle is detected by the height detector 6. When a target is higher than the specified measuring height, a corresponding reading will be generated and the warning light 22 will be used to warn, thereby avoiding the possibility of the driver colliding with the device due to misjudgment or failure to observe the height limit sign. At the same time, when the vehicle contacts the auxiliary block 4, the auxiliary block 4 is impacted and moved. The damper 18 and the compression spring 19 are used to reduce the impact force on the auxiliary block 4, thereby reducing the possibility of damage to the device and the vehicle.

[0030] The camera 11 is provided to monitor the device, and the servo motor 9 is provided to drive the camera 11 to adjust its angle. The fixing bolts 28 are provided to fix the protective plate 27 to the fixing frame 1, thereby protecting the controller 29. The light bar 20 cooperates with the transparent plastic plate 21 to provide an additional light source for the device, which makes it easier for people to find the device. At the same time, a heat dissipation hole that cooperates with the servo motor 9 is provided on the device to prevent the servo motor 9 from being damaged due to failure to dissipate heat during operation.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A height limiting device for a road or bridge, comprising a fixing frame (1), characterized in that: Two support frames (5) are fixedly mounted on one side of the fixing frame (1), and height detectors (6) are embedded on the sides of the two support frames (5) away from the fixing frame (1). A fixing plate (2) is slidably connected between the inner walls of both sides of the fixing frame (1), and a height limiting plate (3) is fixedly mounted on the bottom of the fixing plate (2). Two warning lights (22) are embedded on one side of the fixing plate (2). Two hydraulic cylinders (12) are embedded on the bottom of the fixing frame (1), and the output ends of the two hydraulic cylinders (12) are fixedly connected to the fixing plate (2). The bottom of the fixing plate (2) is slidably connected to the fixing plate (2). An auxiliary block (4) is connected, and two T-shaped slide bars (17) are fixedly installed on one side of the auxiliary block (4) close to the height limiting plate (3), and the two T-shaped slide bars (17) are inserted into the interior of the height limiting plate (3) and slidably connected thereto. A plurality of dampers (18) are embedded on one side of the height limiting plate (3) close to the auxiliary block (4), and the output ends of the plurality of dampers (18) are fixedly connected to the auxiliary block (4), and compression springs (19) are arranged on the outer sides of the plurality of dampers (18), and the two ends of the plurality of compression springs (19) are respectively fixedly connected to the height limiting plate (3) and the auxiliary block (4).

2. A height limiting device for roads and bridges according to claim 1, characterized in that: Slide blocks (14) are fixedly mounted on the two corresponding sides of the fixed plate (2), the two slide blocks (14) are inserted into the interior of the fixed frame (1) and are slidably connected thereto, the interiors of the two slide blocks (14) are provided with guide rods (13), the guide rods (13) penetrate the slide blocks (14) and are slidably connected thereto, the two guide rods (13) are fixedly connected to the fixed frame (1), a pointer (15) is fixedly mounted on one side of one of the slide blocks (14), the pointer (15) penetrates one side of the fixed frame (1) and is slidably connected thereto, and a scale line matching the pointer (15) is provided on one side of the fixed frame (1).

3. A height limiting device for roads and bridges according to claim 1, characterized in that: A display screen (25) is inlaid on one side of the fixing frame (1), two light bars (20) are fixedly mounted inside the fixing plate (2), a transparent plastic plate (21) is fixedly mounted on one side of the fixing plate (2) and on one side of the two light bars (20), and a reflective strip (16) is provided on one side of the auxiliary block (4).

4. A height limiting device for roads and bridges according to claim 1, characterized in that: The fixing plate (2) is provided with two groups of adjustment structures, the adjustment structures comprising a fixing block (7), the fixing blocks (7) are fixedly connected to the fixing plate (2), a connecting block (10) is provided on one side of the fixing block (7), a fixing rod (8) is inlaid on one side of the connecting block (10), the fixing rod (8) and the connecting block (10) are both inserted into the inside of the fixing block (7) and are rotatably connected thereto, a servo motor (9) is fixedly installed inside the fixing block (7), the output end of the servo motor (9) is fixedly connected to the fixing rod (8), and a camera (11) is fixedly installed on the side of the connecting block (10) away from the fixing block (7).

5. A height limiting device for roads and bridges according to claim 1, characterized in that: A solar panel (23) is fixedly mounted on the top of the fixing frame (1), two storage batteries (24) are arranged inside the fixing frame (1), the two storage batteries (24) are electrically connected to the solar panel (23), the storage batteries (24) are electrically connected to a height detector (6), a servo motor (9), a camera (11), a hydraulic cylinder (12), a light bar (20) and a display screen (25), and bases (26) are fixedly mounted on the bottom of both sides of the fixing frame (1).

6. A height limiting device for roads and bridges according to claim 1, characterized in that: A controller (29) is embedded on one side of the fixing frame (1); a protective plate (27) is arranged on the side of the controller (29) away from the fixing frame (1); the protective plate (27) is inserted into the interior of the fixing frame (1) and is slidably connected thereto; a plurality of fixing bolts (28) are arranged on the side of the protective plate (27) away from the fixing frame (1); the plurality of fixing bolts (28) all penetrate the protective plate (27) and are threadedly connected thereto; the plurality of fixing bolts (28) all are inserted into the interior of the fixing frame (1) and are threadedly connected thereto; the controller (29) is electrically connected to a height detector (6), a servo motor (9), a camera (11), a hydraulic cylinder (12), a light bar (20), a warning light (22) and a display screen (25).