Highway height limiting frame

Abstract

The utility model relates to the technical field of traffic engineering, in particular to a height limiting frame for a highway, which relates to the technical field of traffic engineering and comprises two bases, the two bases are respectively fixed on the ground on two sides of the highway, mounting rods are arranged on the two bases, a height limiting cross beam is vertically and slidably arranged on the two mounting rods, and adjusting devices are arranged on the mounting rods. And the adjusting device is used for adjusting the position of the height limiting cross beam on the mounting rod. The height of the height-limiting cross beam is adjusted through the adjusting device, when a special vehicle needs to be released in an emergency, the height of the height-limiting cross beam can be changed only by moving the height-limiting cross beam through the adjusting device, and therefore the special vehicle can conveniently pass through the height-limiting cross beam; after a special vehicle passes, the height limiting cross beam is moved back to the original position to continue height limiting work, convenience and rapidness are achieved, the height limiting frame does not need to be disassembled, the working cost is greatly reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of traffic engineering, in particular to a height-limiting frame for highways. BACKGROUND

[0002] The height-limiting frame for highways is a facility for limiting the passing height of vehicles, which is commonly used in places such as bridges, tunnels, underpasses, entrances and exits of urban expressways, so as to protect the structures such as bridges and tunnels from being hit by vehicles with excessive height, and ensure traffic safety.

[0003] In the related art, the Chinese patent for invention with the authorized announcement number CN105421260A discloses a highway anti-collision height-limiting frame, which comprises one crossbar, two columns, two magneto-rheological elastic supports, multiple embedded parts and multiple magneto-rheological dampers; the crossbar comprises three or more crossbar monomers, the crossbar monomers are connected through the magneto-rheological dampers; the crossbar monomers at the two ends of the crossbar are connected with the corresponding columns through the magneto-rheological elastic supports; the columns are fixedly connected with the foundation through the embedded parts arranged on the foundation; the top of the column is connected with the bottom of the magneto-rheological elastic support; the crossbar connecting piece fixes the crossbar monomers at the end of the crossbar on the support top plate of the magneto-rheological elastic support.

[0004] However, the height of the height-limiting frame is fixed, and in some emergency situations such as natural disasters or traffic accidents, only the height-limiting frame can be removed when some special vehicles need to pass, which is time-consuming and labor-intensive, and the labor cost is high. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the height adaptation range of the height-limiting frame, the application provides a height-limiting frame for highways.

[0006] The height-limiting frame for highways provided by the application adopts the following technical scheme:

[0007] The height-limiting frame for highways comprises two bases, the two bases are respectively fixed on the ground on both sides of the highway, mounting rods are arranged on the two bases, height-limiting crossbeams are vertically slidably arranged on the two mounting rods, adjusting devices are arranged on the mounting rods, and the adjusting devices adjust the positions of the height-limiting crossbeams on the mounting rods.

[0008] By adopting the above technical scheme, the height-limiting crossbeams are vertically slidably arranged on the mounting rods of the bases, and then the height of the height-limiting crossbeams is adjusted through the adjusting devices, so that when special vehicles need to be released in an emergency, the height of the height-limiting crossbeams can be changed by moving the height-limiting crossbeams through the adjusting devices, thereby facilitating the passing of the special vehicles, and after the special vehicles pass, the height-limiting crossbeams are moved back to the original positions, so that the height-limiting work can be continued, which is convenient and fast, and the height-limiting frame does not need to be disassembled, thereby greatly reducing the working cost and improving the working efficiency.

[0009] Optionally, the adjusting device comprises:

[0010] an adjusting wheel, which is rotationally arranged on the mounting rod;

[0011] an adjusting cable, which is wound on the adjusting wheel and connected with the height limiting beam;

[0012] an adjusting motor, which is arranged on the mounting rod and connected with the adjusting wheel;

[0013] a control mechanism, which is arranged on the mounting rod and used for controlling the operation of the adjusting motor.

[0014] By using the above technical scheme, when the height of the height limiting beam needs to be adjusted, the control mechanism is used to control the adjusting motor to start, the adjusting motor is driven to rotate the adjusting wheel, the adjusting wheel is driven to move the adjusting cable, and the adjusting cable is driven to move the height limiting beam, so that the height adjustment of the height limiting beam is realized.

[0015] Optionally, the control mechanism comprises:

[0016] a camera, which is arranged on the height limiting beam;

[0017] a height sensor, which is arranged on the height limiting beam and used for detecting the height of the height limiting beam;

[0018] a controller, which is arranged on the mounting rod and electrically connected with the height sensor and the adjusting motor.

[0019] By using the above technical scheme, the camera is used to monitor the height limiting area in real time, when the camera monitors that a special vehicle needs to pass through, the controller controls the adjusting motor to start to adjust the height of the height limiting beam, the height sensor detects the height of the height limiting beam in real time until the height of the height limiting beam is sufficient for the vehicle to pass through, and then the controller controls the height limiting beam to move back to the original position, so that the height control of the height limiting beam is completed.

[0020] Optionally, a counterweight is connected on the adjusting cable, and the counterweight is located at the end of the adjusting cable away from the height limiting beam.

[0021] By using the above technical scheme, the counterweight is arranged on the adjusting cable, and the arrangement of the counterweight reduces the load of the adjusting motor when the height limiting beam rises and falls, and improves the service life of the adjusting motor and the adjusting cable.

[0022] Optionally, a limiting mechanism for limiting the position of the height limiting beam is arranged on the mounting rod, and the limiting mechanism comprises:

[0023] The limiting block is provided on the height limiting cross beam, and a vertical sliding hole is formed on the limiting block;

[0024] The limiting rod is provided on the mounting rod and located in the sliding hole;

[0025] The two clamping blocks are horizontally and slidingly installed on the limiting block and located in the sliding hole, and the two clamping blocks are located on the two sides of the limiting rod respectively;

[0026] The driving assembly is provided on the limiting block and used for driving the two clamping blocks to move, and the two clamping blocks are clamped on the limiting rod under the action of the driving assembly.

[0027] By adopting the above technical scheme, when the height limiting cross beam is moved to the target height position under the action of the adjusting steel cable and the adjusting motor, the driving assembly is started to drive the two clamping blocks to move, and the two clamping blocks are clamped on the limiting rod, so that the position of the height limiting cross beam is limited through the fixing work of the limiting block and the limiting rod, the working burden of the adjusting motor and the adjusting steel cable for long-term lifting of the height limiting cross beam is reduced, and the position of the height limiting cross beam is more stable.

[0028] Optionally, the driving assembly comprises:

[0029] The driving wheel is rotationally provided on the mounting rod;

[0030] The driving motor is provided on the mounting rod and connected with the output shaft and the driving wheel;

[0031] The driving steel cable is wound on the driving wheel and connected with the two clamping blocks, an inclined first guide surface is formed on the inner side wall of the sliding hole of the limiting block, the distance between the top ends of the two first guide surfaces is smaller than the distance between the bottom ends of the two first guide surfaces, and an inclined second guide surface is formed on the side wall of the side of the two clamping blocks which is in contact with the first guide surface;

[0032] The locking member is provided on the mounting rod and used for locking the rotation of the driving rod wheel.

[0033] By adopting the above technical scheme, when the height limiting cross beam is moved to the target position, the driving motor is started to drive the driving wheel to rotate, the driving wheel drives the driving steel cable to move, and the driving steel cable drives the two clamping blocks to move along the inclined first guide surface and the second guide surface, and the two clamping blocks are locked after being clamped on the limiting rod, so that the driving work of the two clamping blocks is completed.

[0034] Optionally, the locking member comprises:

[0035] The locking ring is provided on the driving wheel, and the locking ring is provided with locking teeth.

[0036] Locking block, the locking block is horizontally slidingly arranged on the mounting rod;

[0037] Locking hydraulic cylinder, the locking hydraulic cylinder is arranged on the mounting rod and the piston rod is connected with the locking block, the locking block is clamped with the locking tooth on the locking ring under the action of the locking hydraulic cylinder, and the locking hydraulic cylinder is electrically connected with the controller.

[0038] By adopting the above technical scheme, when the height of the height limiting beam needs to be adjusted, the locking hydraulic cylinder is started to drive the locking block to be separated from the locking tooth on the locking ring, and after the locking block is separated from the locking tooth on the locking ring, the driving wheel can be freely rotated to adjust the position of the height limiting beam, and when the position of the height limiting beam is fixed, the locking hydraulic cylinder is started to clamp the locking block with the locking tooth on the locking ring, so that the position of the locking ring is fixed, the driving wheel is fixed, and the locking work of the position of the driving wheel is completed.

[0039] In summary, the present application has at least one of the following beneficial technical effects:

[0040] 1. By vertically slidingly arranging the height limiting beam on the mounting rod of the base, then adjusting the height of the height limiting beam through the adjusting device, when special vehicles need to be released in an emergency, the height of the height limiting beam can be changed by moving the height limiting beam through the adjusting device, so that the special vehicles can pass through, and after the special vehicles pass through, the height limiting beam is moved back to the original position, and the height limiting work can be continued, which is convenient and fast, does not need to disassemble the height limiting frame, greatly reduces the working cost, and improves the working efficiency.

[0041] 2. The adjusting motor is started by using the control mechanism, the adjusting motor drives the adjusting wheel to rotate, the adjusting wheel drives the adjusting steel cable to move, and the adjusting steel cable drives the height limiting beam to move, so that the height adjustment work of the height limiting beam is realized.

[0042] 3. The locking hydraulic cylinder is started to drive the locking block to be separated from the locking tooth on the locking ring, and after the locking block is separated from the locking tooth on the locking ring, the driving wheel can be freely rotated to adjust the position of the height limiting beam, and when the position of the height limiting beam is fixed, the locking hydraulic cylinder is started to clamp the locking block with the locking tooth on the locking ring, so that the position of the locking ring is fixed, the driving wheel is fixed, and the locking work of the position of the driving wheel is completed. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0044] Figure 2 is a schematic diagram of the structure of the adjusting device in the present application;

[0045] Figure 3 is a structural schematic view of the control mechanism and the limiting mechanism in the application.

[0046] Fig. 1 is a base; 11 is a mounting rod; 12 is a height limiting beam; 13 is a counterweight; 14 is a sliding hole; 15 is a first guide surface; 16 is a second guide surface; 2 is an adjusting device; 21 is an adjusting wheel; 22 is an adjusting steel cable; 23 is an adjusting motor; 24 is a control mechanism; 25 is a camera; 26 is a height sensor; 27 is a controller; 3 is a limiting mechanism; 31 is a limiting block; 32 is a limiting rod; 33 is a clamping block; 34 is a driving assembly; 35 is a driving wheel; 36 is a driving motor; 37 is a driving steel cable; 38 is a locking piece; 41 is a locking ring; 42 is a locking block; 43 is a locking hydraulic cylinder; 44 is a tooth. DETAILED DESCRIPTION

[0047] The following will be described in detail below with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 3 The application will be further described in detail.

[0048] The application discloses a highway height limiting frame.

[0049] Reference Figure 1 , the highway height limiting frame comprises two bases 1, and the two bases 1 are fixedly installed on the ground on two sides of the highway. The upper surfaces of the two bases 1 are fixedly installed with mounting rods 11, and the height limiting beams 12 are vertically and slidably installed on the two mounting rods 11. The mounting rods 11 are provided with adjusting devices 2, and the adjusting devices 2 adjust the positions of the height limiting beams 12 on the mounting rods 11.

[0050] Reference Figure 1 and Figure 2 The adjusting device 2 comprises an adjusting wheel 21, an adjusting steel cable 22, an adjusting motor 23 and a control mechanism 24. The adjusting wheel 21 is rotatably installed on the upper surface of the mounting rod 11. The adjusting steel cable 22 is wound on the adjusting wheel 21. One end of the adjusting steel cable 22 is fixedly connected to the upper surface of the height limiting beam 12, and the other end of the adjusting steel cable 22 is fixedly installed with a counterweight 13. The adjusting motor 23 is fixedly installed on the upper surface of the mounting rod 11 and the output shaft is connected with the adjusting wheel 21. The control mechanism 24 is arranged on the mounting rod 11 and is used for controlling the working of the adjusting motor 23.

[0051] Reference Figure 2 and Figure 3, the control mechanism 24 comprises a camera 25, a height sensor 26 and a controller 27. The camera 25 is fixedly installed on the outer side wall of the height limiting beam 12. The camera 25 monitors the height limiting area in real time. The height sensor 26 is fixedly installed on the lower surface of the height limiting beam 12, and the height sensor 26 detects the height of the height limiting beam 12. The controller 27 is fixedly installed on the mounting rod 11 and is electrically connected with the height sensor 26 and the adjusting motor 23.

[0052] With reference to Figure 2 and Figure 3 , the camera 25 monitors the height limiting area in real time. When the camera 25 monitors that a special vehicle needs to pass, the controller 27 controls the adjusting motor 23 to start, the adjusting motor 23 drives the adjusting wheel 21 to rotate, the adjusting wheel 21 drives the adjusting steel cable 22 to move, the adjusting steel cable 22 drives the height limiting beam 12 to move, the height sensor 26 detects the height of the height limiting beam 12 in real time, until the height of the height limiting beam 12 is sufficient for the vehicle to pass, and after the vehicle passes, the controller 27 controls the height limiting beam 12 to move back to the original position. Thus, the height limiting beam 12 is expanded to adapt to different heights, and when a special vehicle needs to be released, it is convenient and fast, without the need to disassemble the height limiting frame, greatly reducing the working cost and improving the working efficiency.

[0053] With reference to Figure 2 and Figure 3 , the mounting rod 11 is provided with a limiting mechanism 3 for limiting the position of the height limiting beam 12. The limiting mechanism 3 comprises a limiting block 31, a limiting rod 32, two clamping blocks 33 and a driving assembly 34. The limiting block 31 is fixedly installed on the outer side wall of the height limiting beam 12, and a vertical sliding hole 14 is formed in the limiting block 31. The limiting rod 32 is fixedly installed on the outer side wall of the mounting rod 11 and is in a vertical state. The limiting block 31 vertically slides between the limiting rod 32 and the sliding hole 14. The two clamping blocks 33 are horizontally slidably installed on the limiting block 31 and are located in the sliding hole 14, and the two clamping blocks 33 are located on both sides of the limiting rod 32. The driving assembly 34 is arranged on the limiting block 31 and is used for driving the two clamping blocks 33 to move. The two clamping blocks 33 clamp the limiting rod 32 under the action of the driving assembly 34.

[0054] With reference to Figure 2 and Figure 3The driving assembly 34 comprises a driving wheel 35, a driving motor 36, a driving steel cable 37 and a locking piece 38. The driving wheel 35 is rotatably installed on the upper surface of the mounting rod 11. The driving motor 36 is fixedly installed on the upper surface of the mounting rod 11 and has an output shaft connected with the driving wheel 35. The driving steel cable 37 is wound on the driving wheel 35. The driving steel cable 37 is fixedly connected with the upper surfaces of the two clamping blocks 33. The inner side wall of the sliding hole 14 of the limiting block 31 is provided with two inclined first guide surfaces 15. The spacing between the top ends of the two first guide surfaces 15 is smaller than the spacing between the bottom ends of the two first guide surfaces 15. The side wall of the two clamping blocks 33, which is in contact with the first guide surfaces 15, is provided with two inclined second guide surfaces 16.

[0055] With reference to Figure 3 When it is necessary to fix the height position of the height limiting cross beam 12, the driving motor 36 is started to drive the driving wheel 35 to rotate, the driving wheel 35 is driven to move by the driving steel cable 37, the driving steel cable 37 is driven to move along the inclined first guide surfaces 15 and the second guide surfaces 16 by the two clamping blocks 33, and the two clamping blocks 33 are moved until the clamping limiting rods 32 are clamped, so that the fixing work of the height position of the height limiting cross beam 12 is completed.

[0056] With reference to Figure 2 And Figure 3 The locking piece 38 is arranged on the mounting rod 11 and is used for locking the rotation of the driving rod wheel. The locking piece 38 comprises a locking ring 41, a locking block 42 and a locking hydraulic cylinder 43. The locking ring 41 is fixedly installed on the side wall of the driving wheel 35 and rotates with the driving wheel 35. The inner ring wall of the locking ring 41 is provided with locking teeth 44. The locking hydraulic cylinder 43 is fixedly installed on the upper surface of the mounting rod 11 and is electrically connected with the controller 27. The locking block 42 is fixedly installed on the piston rod of the locking hydraulic cylinder 43 and is clamped with the locking teeth 44 on the locking ring 41 under the action of the locking hydraulic cylinder 43.

[0057] With reference to Figure 2 And Figure 3 After the controller 27 controls the height limiting cross beam 12 to move to the target position, the driving motor 36 is started to drive the driving wheel 35 to rotate, the driving wheel 35 is driven to move by the driving steel cable 37, the driving steel cable 37 is driven to move along the inclined first guide surfaces 15 and the second guide surfaces 16 by the two clamping blocks 33, and the two clamping blocks 33 are moved until the clamping limiting rods 32 are clamped. Then, the controller 27 controls the locking hydraulic cylinder 43 to clamp the locking block 42 with the locking teeth 44 on the locking ring 41, so that the position of the locking ring 41 is fixed, and the fixing work of the position of the height limiting cross beam 12 is completed.

[0058] The working principle of the embodiment of the application is as follows:

[0059] The camera 25 monitors the area of the height limiting frame in real time, when the camera 25 monitors that the special vehicle needs to pass, the controller 27 controls the adjusting motor 23 to start, the adjusting motor 23 drives the adjusting wheel 21 to rotate, the adjusting wheel 21 drives the adjusting steel cable 22 to move, the adjusting steel cable 22 drives the height limiting beam 12 to move, the height sensor 26 detects the height of the height limiting beam 12 in real time, until the height of the height limiting beam 12 is enough for the vehicle to pass, after the vehicle passes, the controller 27 controls the height limiting beam 12 to move back to the original position. Thus, the height limiting beam 12 is expanded to adapt to different heights, when the special vehicle needs to be released, it is convenient and fast, without disassembling the height limiting frame, the working cost is greatly reduced, and the working efficiency is improved.

[0060] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A highway height restriction bar, characterized by: The utility model relates to a height limiting device for highway, which comprises two bases (1), the two bases (1) are fixed on the ground on both sides of the highway respectively, mounting rods (11) are arranged on the two bases (1), height limiting beams (12) are vertically slidably arranged on the two mounting rods (11), adjusting devices (2) are arranged on the mounting rods (11), and the adjusting devices (2) adjust the position of the height limiting beams (12) on the mounting rods (11). The adjusting device (2) comprises: An adjusting wheel (21) is rotatably arranged on the mounting rod (11); An adjusting steel cable (22) is wound on the adjusting wheel (21) and connected with the height limiting beam (12); An adjusting motor (23) is arranged on the mounting rod (11) and connected with the adjusting wheel (21); A control mechanism (24) is arranged on the mounting rod (11) and used for controlling the working of the adjusting motor (23); The control mechanism (24) comprises: A camera (25) is arranged on the height limiting beam (12); A height sensor (26) is arranged on the height limiting beam (12) and used for detecting the height of the height limiting beam (12); A controller (27) is arranged on the mounting rod (11) and electrically connected with the height sensor (26) and the adjusting motor (23).

2. The height limiting post according to claim 1, wherein: A counterweight (13) is connected on the adjusting steel cable (22), and the counterweight (13) is located at the end of the adjusting steel cable (22) away from the height limiting beam (12).

3. The highway height restriction post according to claim 1, wherein: A limiting mechanism (3) for limiting the position of the height limiting beam (12) is arranged on the mounting rod (11), and the limiting mechanism (3) comprises: A limiting block (31) is arranged on the height limiting beam (12), and a vertical sliding hole (14) is formed in the limiting block (31); A limiting rod (32) is arranged on the mounting rod (11) and located in the sliding hole (14); Two clamping blocks (33) are horizontally slidably arranged on the limiting block (31) and located in the sliding hole (14), and the two clamping blocks (33) are located on both sides of the limiting rod (32) respectively; A driving assembly (34) is arranged on the limiting block (31) and used for driving the two clamping blocks (33) to move, and the two clamping blocks (33) clamp the limiting rod (32) under the action of the driving assembly (34).

4. The highway height restriction bar according to claim 3, wherein: The driving assembly (34) comprises: A driving wheel (35) is rotatably arranged on the mounting rod (11). A driving steel cable (37) is wound on the driving wheel (35) and connected with two clamping blocks (33), the inner side wall of the sliding hole (14) of the limiting block (31) is provided with an inclined first guide surface (15), the distance between the top ends of the two first guide surfaces (15) is smaller than the distance between the bottom ends of the two first guide surfaces (15), and the side wall of the two clamping blocks (33) which is in contact with the first guide surface (15) is provided with an inclined second guide surface (16); A locking member (38) is arranged on the mounting rod (11) and is used for locking the rotation of the driving rod wheel.

5. A height restriction post for a highway as claimed in claim 4, wherein: The locking member (38) comprises: A locking ring (41) is arranged on the driving wheel (35), and the locking ring (41) is provided with a locking tooth (44); A locking block (42) is horizontally slidably arranged on the mounting rod (11), a locking hydraulic cylinder (43) is arranged on the mounting rod (11) and the piston rod is connected with the locking block (42), the locking block (42) is clamped with the locking tooth (44) on the locking ring (41) under the action of the locking hydraulic cylinder (43), and the locking hydraulic cylinder (43) is electrically connected with the controller (27).

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