Road and bridge height limiting frame
By adopting a magnetic connection structure and alarm design on the limit elevation, the problem of the lack of warning effect of the existing limit elevation is solved, and effective reminder for ultra-high vehicles and protection of limit elevation is achieved, reducing the damage to vehicles and limit elevation.
Patent Information
- Application Number
- CN202421278542.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The existing overhead limiting mounts lack warning effects, which may cause damage to overhead limiting mounts and vehicles when the driver is unknown to pass, and may even cause traffic accidents.
A road-bridge elevated frame is designed, adopting a magnetic connection structure and an alarm. When the ultra-high vehicle passes, the magnetic connection structure is disconnected, triggering the alarm alarm, reminding the driver, and rotating around the first vertical rod through the cross bar to reduce the interaction force between the vehicle and the elevated frame.
The warning effect of the elevated limit is added, which reduces the damage between vehicles and elevated limit, avoids traffic accidents, and provides the function of elevated limit height adjustment.
Smart Images
Figure CN222594683U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of road and bridge height limits, and in particular to road and bridge height limit frames. Background Art
[0002] Height limit bridges are mainly used to protect roads and bridges, ensure traffic safety and restrict the passage of certain types of vehicles. They can prevent super-high vehicles from causing damage to roads and bridges, and avoid collisions between super-high vehicles and facilities such as bridges and tunnels, thereby reducing the risk of accidents.
[0003] Most of the existing height limit frames include fixed height limit frames and lifting height limit frames. Fixed height limit frames are generally set to a fixed height during production, while lifting height limit frames can be adjusted to different desired height limits according to different situations.
[0004] The above-mentioned existing technical solutions have the following defects: the existing height limit frame lacks a warning function. When a driver who does not know whether he can pass through the height limit frame passes through the height limit frame, it will not only damage the height limit frame, but also damage the vehicle, and may seriously cause a traffic accident. Utility Model Content
[0005] In order to increase the warning function of the height limit frame, this application provides a road and bridge height limit frame.
[0006] The above technical objectives of this application are achieved through the following technical solutions:
[0007] The height limit frame of a road bridge comprises a horizontal bar, one end of which is rotatably connected to a first vertical bar, the end of the horizontal bar facing away from the first vertical bar is connected to a second vertical bar, a magnetic connection structure is provided at the connection between the second vertical bar and the horizontal bar, the second vertical bar and the horizontal bar are connected through the magnetic connection structure, and an alarm is connected to the magnetic connection structure.
[0008] By adopting the above scheme, when an over-limit vehicle passes through the height limit frame, the vehicle separates the cross bar from the second vertical bar, thereby disconnecting the magnetic connection structure, thereby triggering the alarm to sound, thereby achieving the function of reminding the driver and sounding the alarm. At the same time, since the magnetic connection structure is disconnected, the cross bar rotates around the first vertical bar, reducing damage to the height limit frame and the vehicle, thereby increasing the warning effect of the height limit frame.
[0009] Optionally, the magnetic connection structure includes a magnet and a magnetic sheet, the magnet is fixedly arranged on the surface of the horizontal rod, and the magnetic sheet is fixedly arranged on the surface of the second vertical rod.
[0010] By adopting the above technical solution, when the cross bar is connected to the second vertical bar, the magnet and the magnetic sheet attract each other, so that the cross bar is connected to the second vertical bar. When a vehicle forcibly passes through, the force of the vehicle on the height limit frame separates the magnet from the magnetic sheet, causing the cross bar to rotate around the first vertical bar, thereby reducing the force between the vehicle and the height limit frame, thereby reducing damage to the vehicle and the height limit frame.
[0011] Optionally, the alarm is connected to a first contact and a second contact, and the first contact and the second contact are both arranged on the surface of the second vertical rod, and the first contact and the second contact are both provided with elastic conductive sheets. When the cross bar is separated from the second vertical rod, the first contact and the second contact are connected through the elastic conductive sheet, and an insulating contact is provided on the surface of the cross bar. When the cross bar and the second vertical rod are connected through a magnetic link structure, the insulating contact contacts with the elastic conductive sheets of the first contact and the second contact, and the insulating contact isolates the elastic conductive sheets of the first contact and the second contact.
[0012] By adopting the above technical solution, when the horizontal bar and the second vertical bar are fixed by the magnetic connection structure, the insulating contact separates the elastic conductive sheet connected to the first contact and the elastic conductive sheet connected to the second contact, thereby cutting off the power of the alarm; when the horizontal bar and the second vertical bar are separated, the insulating contact moves away from the second vertical bar, thereby making the elastic conductive sheet connected to the first contact contact with the elastic conductive sheet connected to the second contact, thereby energizing the alarm, causing the alarm to sound an alarm, thereby reminding the driver of the overheight.
[0013] Optionally, the second vertical rod is provided with a waterproof sleeve, and the waterproof sleeve is provided on the outside of the first contact and the second contact.
[0014] By adopting the above technical solution, a waterproof cover is provided to prevent the alarm from being connected due to rain, thereby preventing the alarm from false alarming.
[0015] Optionally, a rotation limiting groove is provided at the connection between the first vertical rod and the horizontal rod, and a rotation limiting block is provided at the connection between the horizontal rod and the first vertical rod.
[0016] By adopting the above technical solution, the limit block rotates in the limit groove, so that the rotation angle of the cross bar and the first vertical bar is limited, thereby preventing the height limit frame from failing due to excessive rotation angle of the cross bar.
[0017] Optionally, the surface of the crossbar is wrapped with a rubber buffer pad.
[0018] By adopting the above technical solution, the rubber buffer pad can mitigate the impact between the vehicle and the height limit frame, thereby reducing the damage to the height limit frame and the vehicle, thereby further protecting the height limit frame and the vehicle.
[0019] Optionally, both the first vertical rod and the second vertical rod are connected to a lifting rod seat.
[0020] By adopting the above technical solution, the height limit of the height limit frame can be adjusted through the lifting rod seat, so that the height limit frame can be adjusted according to the situation, reducing the production cost of the height limit frame.
[0021] Optionally, the lifting rod seat includes a first rod seat and a second rod seat, a first rod groove is opened on the top of the first rod seat, the first vertical rod is inserted into the first rod groove, a plurality of first threaded holes are opened on the surface of the first vertical rod, the first threaded holes are arranged along the axial direction of the first vertical rod, the first rod seat is threadedly connected with a first bolt, the first bolt is threadedly connected in the first threaded hole, a second rod groove is opened on the top of the second rod seat, the second vertical rod is inserted into the second rod groove, a plurality of second threaded holes are opened on the surface of the second vertical rod, the second threaded holes are arranged along the axial direction of the second vertical rod, the second rod seat is threadedly connected with a second bolt, and the second bolt is threadedly connected in the second threaded hole.
[0022] By adopting the above technical solution, when the height of the height limit frame needs to be adjusted, the first bolt is first unscrewed, and then the first vertical rod is moved upward or downward to align the first bolt with the corresponding first threaded hole, so that the height of the first vertical rod is adjusted, and then the second bolt is unscrewed out of the second threaded hole, and the height of the second vertical rod is adjusted, and then the second bolt is screwed into the corresponding second threaded hole to complete the fixation of the second vertical rod, thereby completing the height adjustment of the height limit frame.
[0023] In summary, this application has the following technical effects:
[0024] 1. By setting up a magnetic connection structure and an alarm, the alarm can sound an alarm when an over-height vehicle hits the height limit frame, thereby increasing the warning function of the height limit frame;
[0025] 2. A waterproof cover is provided to prevent the alarm from causing false alarms due to rain;
[0026] 3. The height limit frame can be adjusted according to usage by setting a lifting rod seat. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of the overall structure of this application;
[0028] Figure 2 It is a schematic diagram of the overall structure of this application from another perspective;
[0029] Figure 3 It is a top view of a partial structure of the connection between the first vertical rod and the horizontal rod of the present application;
[0030] Figure 4 It is a front cross-sectional view of the partial structure of the connection between the first vertical rod and the horizontal rod of the present application;
[0031] Figure 5 It is a top view of a partial structure of the connection between the second vertical rod and the horizontal rod of the present application.
[0032] In the figure, 1, first vertical rod; 11, first threaded hole; 12, rotating groove; 13, limiting groove; 14, torsion spring; 2, second vertical rod; 21, second threaded hole; 22, connecting plate; 221, waterproof cover; 3, cross bar; 31, rotating rod; 32, limiting block; 4, magnetic connection structure; 41, magnet; 42, magnetic sheet; 5, alarm; 51, first contact; 52, second contact; 53, elastic conductive sheet; 54, insulating contact; 6, lifting rod seat; 61, first rod seat; 611, first rod groove; 612, first bolt; 62, second rod seat; 621, second rod groove; 622, second bolt. DETAILED DESCRIPTION
[0033] The present application is further described in detail below in conjunction with the accompanying drawings.
[0034] Reference Figure 1 and Figure 2 A height limit frame for a road bridge includes a first vertical bar 1, a second vertical bar 2 and a cross bar 3. The first vertical bar 1 and the second vertical bar 2 are connected to both ends of the cross bar 3 respectively. The first vertical bar 1 is rotatably connected to one end of the cross bar 3. A magnetic connection structure 4 is provided at the connection between the second vertical bar 2 and the cross bar 3. The second vertical bar 2 and the cross bar 3 are connected through a magnetic connection structure. The second vertical bar 2 is connected to an alarm 5. When an over-height vehicle passes through the height limit frame, the vehicle knocks the cross bar 3 and the second vertical bar 2 apart, disconnecting the magnetic connection structure 4 and causing the cross bar 3 to rotate around the first vertical bar 1, thereby reducing the interaction force between the vehicle and the height limit frame, reducing damage to the vehicle and the height limit frame, and at the same time, the alarm 5 sounds an alarm to remind the driver of the over-height to avoid the driver not noticing the over-height of the vehicle.
[0035] Reference Figure 3 and Figure 4 A rotation slot 12 is provided at the upper end of the first vertical rod 1, and a rotation rod 31 is provided at the place where the cross bar 3 is connected to the first vertical rod 1. The rotation rod 31 is rotationally connected in the rotation slot 12, and a torsion spring 14 is sleeved on the outer side of the rotation rod 31. One end of the torsion spring 14 is fixedly connected to the cross bar 3, and the other end of the torsion spring 14 is fixedly connected to the first vertical rod 1. When the vehicle knocks the cross bar 3 away, the torsion spring 14 is deformed, and then the rebound of the torsion spring 14 can make the cross bar 3 return to its original position, so that the magnetic connection structure 4 can be connected. An arc-shaped limit groove 13 is opened at the upper end of the first vertical rod 1, and the cross bar 3 is fixedly connected to the limit block 32, and the limit block 32 is slidably connected in the limit groove 13. When the cross bar 3 rotates, the limit block 32 slides in the limit groove 13 until the limit block 32 reaches the edge of the limit groove 13. At this time, the limit groove 13 prevents the movement of the limit block 32, thereby preventing the rotation of the cross bar 3, thereby preventing the cross bar 3 from rotating too much and causing the height limit frame to fail.
[0036] Reference Figure 1 and Figure 5,, A buffer rubber pad is arranged on the surface of the cross bar 3. When a vehicle hits the cross bar 3, the buffer rubber pad plays a buffering role, reducing the damage to the vehicle and the cross bar 3. A connecting plate 22 is fixedly arranged near the upper end of the second vertical bar 2. The second vertical bar 2 is connected to the cross bar 3 through the connecting plate 22. The magnetic connection structure 4 includes a magnet 41 and a magnetic sheet 42. The magnet 41 is fixedly connected to the surface of the cross bar 3, and the magnetic sheet 42 is fixedly connected to the surface of the connecting plate 22. When the cross bar 3 is close to the second vertical bar 2, the magnet 41 and the magnetic sheet 42 are adsorbed, thereby connecting the cross bar 3 and the second vertical bar 2 together. When a vehicle hits the cross bar 3, the interaction force between the vehicle and the cross bar 3 separates the magnet 41 and the magnetic sheet 42, so that the cross bar 3 rotates, thereby reducing the interaction force between the vehicle and the cross bar 3 and reducing the damage to the vehicle and the cross bar 3.
[0037] Reference Figure 1 and Figure 5 The alarm 5 is fixedly arranged above the second cross bar 3, and the positive and negative poles of the alarm 5 are respectively connected to the first contact 51 and the second contact 52 through wires. The first contact 51 and the second contact 52 are both fixed on the connecting plate 22. The first contact 51 and the second contact 52 are connected to an elastic conductive sheet 53 at one end away from the connecting plate 22. When the cross bar 3 is separated from the second vertical bar 2, the two elastic conductive sheets 53 contact each other. An insulating contact 54 is fixedly connected to the cross bar 3. When the cross bar 3 and the second vertical bar 2 are connected through the magnetic connection structure 4, the insulating contact 54 is located between the two elastic conductive sheets 53, and the insulating contact 54 separates the two elastic conductive sheets 53. When the magnet 41 fits with the magnetic sheet 42, the insulating contact 54 separates the two elastic conductive sheets 53 and the alarm 5 is turned off. When the vehicle hits the cross bar 3, the magnet 41 separates from the magnetic sheet 42, separating the insulating contact 54 from the elastic conductive sheet 53, thereby making the two elastic conductive sheets 53 contact and the alarm 5 sounds an alarm to remind the driver of the overheight.
[0038] Reference Figure 5 A waterproof cover 221 is provided outside the first contact 51 and the second contact 52 to prevent the alarm 5 from making a false alarm due to the contact between the two elastic conductive sheets 53 caused by rain.
[0039] Reference Figure 1 and Figure 2A lifting rod seat 6 for adjusting the height of the cross bar 3 is connected below the first vertical rod 1 and the second vertical rod 2. The lifting rod seat 6 includes a first rod seat 61 and a second rod seat 62. A first rod groove 611 is provided on the upper surface of the first rod seat 61. The first vertical rod 1 is slidably connected in the first rod groove 611. A plurality of first threaded holes 11 are provided on the circumferential surface of the first vertical rod 1. The plurality of first threaded holes 11 are arranged along the axial direction of the first vertical rod 1. A first bolt 612 is threadedly connected to the circumferential surface of the first rod seat 61. The first bolt 612 is threadedly connected to the first threaded hole 11. A second rod groove 621 is provided on the upper surface of the second rod seat 62. The second vertical rod 2 is slidably connected in the second rod groove 621. A plurality of second threaded holes 21 are provided on the circumferential surface of the second vertical rod 2. The plurality of second threaded holes 21 are arranged along the axial direction of the second vertical rod 2. A second bolt 622 is threadedly connected to the circumferential surface of the second rod seat 62. The second bolt 622 is threadedly connected to the second threaded hole 21. When the height of the height limit frame needs to be adjusted, the first bolt 612 can be selected from the first threaded hole 11, and then the height of the first rod seat 61 can be adjusted. After the adjustment is completed, the first bolt 612 is screwed into the corresponding first threaded hole 11, and then the second bolt 622 is selected from the second threaded hole 21, and then the height of the second rod seat 62 is adjusted. After the adjustment is completed, the second bolt 622 is screwed into the corresponding second threaded hole 21, thereby completing the height adjustment of the height limit frame, so that the height limit frame can be applied to more situations.
[0040] The specific implementation principle of the present application is as follows: when an over-height vehicle passes through the height limit frame, the interaction force between the vehicle and the crossbar 3 separates the magnet 41 from the magnetic sheet 42, so that the crossbar 3 rotates around the first vertical bar 1, reducing the interaction force between the vehicle and the crossbar 3, thereby reducing the damage to the vehicle and the height limiter. At the same time, the insulating contact 54 is away from the second vertical bar 2, so that the two elastic conductive sheets 53 contact each other, so that the alarm sounds an alarm to remind the driver that the height is too high. Compared with the existing height limit frame, this height limit frame has an additional warning function, while reducing the damage to the vehicle and the height limit frame caused by the collision between the vehicle and the height limit frame.
[0041] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.
Claims
1. The height limit frame of the road and bridge is characterized by: The invention comprises a cross bar (3), one end of which is rotatably connected to a first vertical bar (1), one end of which is away from the first vertical bar (1) and is connected to a second vertical bar (2), a magnetic connection structure (4) is provided at the connection between the second vertical bar (2) and the cross bar (3), the second vertical bar (2) and the cross bar (3) are connected via the magnetic connection structure (4), and the magnetic connection structure (4) is connected to an alarm (5).
2. The road bridge height limit frame according to claim 1, characterized in that: The magnetic connection structure (4) comprises a magnet (41) and a magnetic sheet (42); the magnet (41) is fixedly arranged on the surface of the horizontal rod (3), and the magnetic sheet (42) is fixedly arranged on the surface of the second vertical rod (2).
3. The road and bridge height limit frame according to claim 1, characterized in that: The alarm (5) is connected to a first contact (51) and a second contact (52). The first contact (51) and the second contact (52) are both arranged on the surface of the second vertical rod (2). The first contact (51) and the second contact (52) are both provided with an elastic conductive sheet (53). When the cross bar (3) is separated from the second vertical rod (2), the first contact (51) and the second contact (52) are connected via the elastic conductive sheet (53). An insulating contact (54) is provided on the surface of the cross bar (3). When the cross bar (3) and the second vertical rod (2) are connected via a magnetic link structure, the insulating contact (54) contacts the elastic conductive sheets (53) of the first contact (51) and the second contact (52). The insulating contact (54) isolates the elastic conductive sheets (53) of the first contact (51) and the second contact (52).
4. The road and bridge height limit frame according to claim 3 is characterized in that: The second vertical rod (2) is provided with a waterproof cover (221), and the waterproof cover (221) is provided on the outside of the first contact (51) and the second contact (52).
5. The road and bridge height limit frame according to claim 1, characterized in that: A rotation limiting groove (13) is provided at the connection between the first vertical rod (1) and the cross rod (3), and a rotation limiting block (32) is provided at the connection between the cross rod (3) and the first vertical rod (1).
6. The road and bridge height limit frame according to claim 1, characterized in that: The surface of the cross bar (3) is wrapped with a rubber buffer pad.
7. The road and bridge height limit frame according to claim 1, characterized in that: The first vertical rod (1) and the second vertical rod (2) are both connected to a lifting rod seat (6).
8. The road and bridge height limit frame according to claim 7, characterized in that: The lifting rod seat (6) comprises a first rod seat (61) and a second rod seat (62); a first rod groove (611) is provided on the top of the first rod seat (61); the first vertical rod (1) is inserted into the first rod groove (611); a plurality of first threaded holes (11) are provided on the surface of the first vertical rod (1); the first threaded holes (11) are arranged along the axial direction of the first vertical rod (1); the first rod seat (61) is threadedly connected with a first bolt (612); the first bolt (612) is threadedly connected in the first threaded hole (11); a second rod groove (621) is provided on the top of the second rod seat (62); the second vertical rod (2) is inserted into the second rod groove (621); a plurality of second threaded holes (21) are provided on the surface of the second vertical rod (2); the second threaded holes (21) are arranged along the axial direction of the second vertical rod (2); the second rod seat (62) is threadedly connected with a second bolt (622); the second bolt (622) is threadedly connected in the second threaded hole (21).