Adjustable limiting device for roads and bridges

Abstract

The utility model relates to the technical field of height limiting frames, and discloses a road and bridge adjustable limiting device which comprises a support, the bottom of the support is in threaded connection with a base, the middle of the base is in threaded connection with a lead screw, the top of the support is provided with a connecting plate, one side of the connecting plate is provided with a limiting rod, and the top of the limiting rod is fixedly provided with a clamp. A lifting frame is fixedly installed on the top of the support. According to the adjustable limiting device for the road bridge, the base and the lead screw are arranged in a matched mode, so that the device has the capacity of being convenient to move, the device can be jacked up and fixed by rotating the lead screw after moving is completed, and the position of the device can be rapidly adjusted according to actual needs so as to meet the passing requirements of different road sections or different time periods; the device plays a key role in temporary construction, road maintenance, special vehicle passing and the like, and due to the mobility of the device, the device can be easily moved from one position to another position, so that the height limiting requirements of different areas or different roads are met.

Description

Technical Field

[0001] The utility model relates to the technical field of height-limiting frames, in particular to an adjustable limiting device for road bridges. Background Art

[0002] With the acceleration of urbanization, traffic congestion is becoming increasingly serious. In order to optimize traffic flow and reduce congestion, traffic management departments need to adopt various means to control traffic flow. Movable height limit poles, as a flexible traffic management tool, can adjust the vehicle's passing height according to real-time traffic conditions, thereby effectively alleviating traffic pressure.

[0003] Chinese patent announcement No. CN211228229U discloses an adjustable limit device for a road bridge, in particular, an adjustable limit device for a road bridge, wherein two supporting columns are connected to a height limiting pole at a relatively close position, a second indicator sign is connected to the front surface of the height limiting pole, the lower end of the supporting column is connected to a base fixing assembly, the interior of the supporting column is connected to a hydraulic cylinder, the upper end of the hydraulic cylinder is connected to a lifting rod, the outer wall of the lifting rod is connected to the height limiting pole, and an anti-collision assembly is provided on the lower surface of the height limiting pole. When a vehicle passes, the top part of the vehicle structure collides with the anti-collision assembly, and the anti-collision assembly can buffer the impact force to achieve a buffering effect, avoid wear and falling of the height limiting pole, and achieve an anti-collision effect. A base fixing assembly is provided on the lower surface of the supporting column, and the foundation steel bars in the base fixing assembly are fixed to the ground through concrete, so as to fully fix the supporting column and avoid the situation where the supporting column is unstable.

[0004] However, the utility model has the following problems when it is actually used:

[0005] When the utility model is actually used, the fixed height limit pole brings inconvenience to traffic management. When traffic management measures need to be adjusted, management personnel need to carry out complicated disassembly and reinstallation work, and cannot achieve the purpose by directly moving the height limit pole. Utility Model Content

[0006] (1) Technical problems solved

[0007] In order to overcome the above-mentioned defects of the prior art, the present invention provides an adjustable limit device for roads and bridges, which solves the problems in the prior art:

[0008] When the utility model is actually used, the fixed height limit pole brings inconvenience to traffic management. When traffic management measures need to be adjusted, management personnel need to carry out complicated disassembly and reinstallation work, and cannot achieve the purpose by directly moving the height limit pole.

[0009] (2) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: an adjustable limit device for a road bridge, comprising a bracket, the bottom of the bracket is threadedly connected to a base, the middle of the base is threadedly connected to a screw, the top of the bracket is provided with a connecting plate, one side of the connecting plate is provided with a limiting rod, the top of the limiting rod is fixedly installed with a clamp, and the top of the bracket is fixedly installed with a lifting frame.

[0011] According to an embodiment of the present invention, a mounting plate is fixedly connected to the bottom of the bracket, and an expansion plate is fixedly connected to the top of the bracket.

[0012] According to an embodiment of the present invention, a threaded ring is fixedly connected to the top of the base, and a universal wheel is fixedly installed on the bottom of the base.

[0013] According to an embodiment of the present invention, a handle is fixedly connected to the top of the screw rod, and a support plate is threadedly connected to the bottom of the screw rod.

[0014] According to one embodiment of the present invention, an extension rod is inserted through the middle of the connecting plate, a lifting rod is fixedly installed on one end of the extension rod, and the bottom of the lifting rod is threadedly connected to the inner wall of the bracket.

[0015] According to an embodiment of the present invention, one side of the limiting rod is threadedly connected to a strip plate, the top of the limiting rod is fixedly connected to a support plate, and one side of the strip plate is threadedly connected to one side of the connecting plate.

[0016] According to one embodiment of the present invention, a warning light is fixedly mounted on one side of the clamp, and a solar panel is fixedly mounted on the top of the clamp.

[0017] According to one embodiment of the present invention, a reflective tape is fixedly installed on one side of the lifting frame, and a support rod is fixedly installed on one side of the lifting frame.

[0018] (3) Beneficial effects

[0019] The utility model provides an adjustable limit device for roads and bridges, which has the following beneficial effects:

[0020] The adjustable limit device for roads and bridges has the ability to be easily moved through the coordinated arrangement of the base and the screw rod. After the movement is completed, the device can be lifted up and fixed by rotating the screw rod. The device can quickly adjust its position according to actual needs to adapt to the traffic requirements of different road sections or different time periods. It plays a key role in temporary construction, road maintenance, special vehicle traffic, etc., and the mobility of the device enables it to be easily moved from one place to another to meet the height limit requirements of different areas or different roads. Through the coordinated arrangement of the connecting plate and the limit rod, the device can adjust the height of the height limit rod in time, effectively preventing over-height vehicles from entering sections of road that are not suitable for their passage, thereby avoiding traffic accidents caused by vehicles colliding with height limit rods or structures such as bridges. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the base structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the connecting plate of the utility model;

[0024] Figure 4 This is a schematic diagram of the limiting rod structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the fixture structure of the utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the lifting frame of the utility model.

[0027] In the figure: 1. Bracket; 2. Base; 3. Screw; 4. Connecting plate; 5. Limiting rod; 6. Clamp; 7. Lifting frame; 8. Mounting plate; 9. Extension plate; 10. Threaded ring; 11. Universal wheel; 12. Handle; 13. Support plate; 14. Extension rod; 15. Lifting rod; 16. Strip plate; 17. Support plate; 18. Warning light; 19. Solar panel; 20. Reflective tape; 21. Support rod. DETAILED DESCRIPTION

[0028] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] Example 1:

[0030] See also Figure 1 and Figure 2In order to facilitate the movement and fixation of the device, a bracket 1, a base 2 and a screw rod 3 are provided;

[0031] It includes a bracket 1, the bottom of the bracket 1 is threadedly connected to the base 2, the middle of the base 2 is threadedly connected to the screw rod 3, the bottom of the bracket 1 is fixedly connected to the mounting plate 8, the top of the bracket 1 is fixedly connected to the expansion plate 9, the top of the base 2 is fixedly connected to the threaded ring 10, the bottom of the base 2 is fixedly installed with a universal wheel 11, the top of the screw rod 3 is fixedly connected to the handle 12, and the bottom of the screw rod 3 is threadedly connected to the support plate 13. Therefore, the mounting plate 8 and the expansion plate 9 are respectively fixed to the bottom and top of the bracket 1, which are used to enhance structural stability and provide additional connection points. The threaded ring 10 can prevent the screw rod 3 from bending, the universal wheel 11 can realize the mobility of the device, the handle 12 facilitates rotation operation, and the bottom of the screw rod 3 is threadedly connected to the support plate 13, which is used to provide support force for the device and fix the device when the screw rod 3 is rotated.

[0032] Example 2:

[0033] See also Figures 3 to 5 In order to enable the device to adjust the limit height and have a reminder effect at night, a connecting plate 4, a limit rod 5 and a clamp 6 are provided;

[0034] The top of the bracket 1 is provided with a connecting plate 4, and one side of the connecting plate 4 is provided with a limiting rod 5. The top of the limiting rod 5 is fixedly installed with a clamp 6. The middle of the connecting plate 4 is penetrated and inserted with an extension rod 14. One end of the extension rod 14 is fixedly installed with a lifting rod 15. The bottom of the lifting rod 15 is threadedly connected to the inner wall of the bracket 1, and one side of the limiting rod 5 is threadedly connected to a strip plate 16. The top of the limiting rod 5 is fixedly connected to a supporting plate 17, and one side of the strip plate 16 is threadedly connected to one side of the connecting plate 4. A warning light 18 is fixedly installed on one side of the clamp 6, and a solar panel 19 is fixedly installed on the top of the clamp 6. Therefore, the setting of the extension rod 14 facilitates the installation of the limiting rod 5 on the connecting plate 4, and the lifting rod 15 is connected to the external energy and power supply, and is controlled to start or shut down by the switch. The strip plate 16 facilitates the installation of the limiting rod 5, and the support plate 17 supports and fixes the limiting rod 5. The warning light 18 is used to remind passing vehicles at night, and the solar panel 19 powers the warning light 18.

[0035] Example 3:

[0036] See also Figure 6 , in order to ensure the stability and safety of the device, a lifting frame 7 is provided;

[0037] A lifting frame 7 is fixedly installed on the top of the bracket 1, a reflective tape 20 is fixedly installed on one side of the lifting frame 7, and a support rod 21 is fixedly installed on one side of the lifting frame 7. Therefore, the reflective tape 20 is used to improve visibility at night or when visibility is poor, and the support rod 21 is used to provide lateral support force to the entire device to maintain the stability of the device.

[0038] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0039] In the present invention, the working steps of the device are as follows:

[0040] First, the device is moved to the specified position through the universal wheel 11 installed at the bottom of the base 2, and then the handle 12 on the top of the screw rod 3 is rotated, and the screw rod 3 moves downward in the base 2 until the support plate 13 touches the ground. At this time, the support plate 13 is tightly fitted with the ground, providing sufficient supporting force to fix the device. According to actual needs, the extension rod 14 is extended and retracted through the switch to accurately control the height of the limit rod 5. After ensuring that the clamp 6 firmly clamps the limit rod 5, the warning light 18 is turned on and the solar panel 19 is used for power supply to provide an obvious warning signal for passing vehicles.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable limit device for a road bridge, comprising a bracket (1), characterized in that: The bottom of the bracket (1) is threadedly connected to a base (2), the middle of the base (2) is threadedly connected to a screw rod (3), the top of the bracket (1) is provided with a connecting plate (4), one side of the connecting plate (4) is provided with a limiting rod (5), the top of the limiting rod (5) is fixedly installed with a clamp (6), and the top of the bracket (1) is fixedly installed with a lifting frame (7).

2. The adjustable limit device for a road or bridge according to claim 1, characterized in that: The bottom of the bracket (1) is fixedly connected to a mounting plate (8), and the top of the bracket (1) is fixedly connected to an expansion plate (9).

3. The adjustable limit device for a road or bridge according to claim 1, characterized in that: A threaded ring (10) is fixedly connected to the top of the base (2), and a universal wheel (11) is fixedly installed on the bottom of the base (2).

4. The adjustable limit device for a road or bridge according to claim 1, characterized in that: The top of the screw rod (3) is fixedly connected to a handle (12), and the bottom of the screw rod (3) is threadedly connected to a support plate (13).

5. The adjustable limit device for roads and bridges according to claim 1, characterized in that: An extension rod (14) is inserted through the middle of the connecting plate (4), and a lifting rod (15) is fixedly installed at one end of the extension rod (14). The bottom of the lifting rod (15) is threadedly connected to the inner wall of the bracket (1).

6. The adjustable limit device for a road or bridge according to claim 1, characterized in that: One side of the limiting rod (5) is threadedly connected to a strip plate (16), the top of the limiting rod (5) is fixedly connected to a support plate (17), and one side of the strip plate (16) is threadedly connected to one side of the connecting plate (4).

7. The adjustable limit device for roads and bridges according to claim 1, characterized in that: A warning light (18) is fixedly mounted on one side of the clamp (6), and a solar panel (19) is fixedly mounted on the top of the clamp (6).

8. The adjustable limit device for roads and bridges according to claim 1, characterized in that: A reflective sticker (20) is fixedly mounted on one side of the lifting frame (7), and a support rod (21) is fixedly mounted on one side of the lifting frame (7).

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