Road and bridge protective fence

Abstract

The utility model relates to the field of guardrails, in particular to a road and bridge guardrail which comprises symmetrically distributed bases, extension rods are fixedly arranged above the bases in a welded mode, adjusting columns connected in a sliding mode are further arranged on the outer sides of the extension rods, first cross arms and second cross arms are further arranged between the bases, and the first cross arms and the second cross arms are distributed in an array mode. An auxiliary fixing mechanism is arranged in the first limiting sliding groove in the outer side of the adjusting column and comprises a sliding plate. The length and the height of the device can be adjusted according to the length and the height of the guardrail needed on site, after adjustment is completed, two water horses filled with water are placed on the two sides of the device, then the device is connected with the water horses through the third inserting bolts or the third sliding blocks, and therefore the device can be rapidly fixed. Therefore, the practicability of the device is high.

Description

Technical Field

[0001] This utility model relates to the field of guardrails, and in particular to a road and bridge guardrail. Background Technology

[0002] Road and bridge guardrails are guardrails installed on roads and bridges. They use the deformation of the soil base, posts, and beams to absorb collision energy and force out-of-control vehicles to change direction and return to the normal driving direction, preventing vehicles from running off the road and reducing economic losses. Different road and bridge guardrails are selected according to different scenarios.

[0003] Chinese utility model patent discloses a road and bridge guardrail (application number: 2023226957485). The patent includes a lifting column, a fixed column, a square limiting groove, a power block, a guide rail, a square limiting block, a first gear, a second gear, and a bidirectional threaded shaft, which allows the device to adjust the height of the guardrail.

[0004] However, while the aforementioned application allows for adjustment of the height of the guardrail, it is difficult to adjust the length of the guardrail during use. This limits the application scenarios of the device, and since the device can only be fixed on the ground, it is difficult to quickly assemble and disassemble it for temporary use, resulting in low practicality of the device.

[0005] To address the aforementioned technical shortcomings, a solution is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a road and bridge guardrail to solve the aforementioned technical defects.

[0007] The objective of this utility model can be achieved through the following technical solutions:

[0008] A road and bridge guardrail includes symmetrically distributed bases. An extension rod is fixedly welded to the top of the base. An adjusting post is slidably connected to the outside of the extension rod. Cross arms one and cross arms two are arranged in an array between the bases. An auxiliary fixing mechanism is provided in a limiting groove one on the outside of the adjusting post. The auxiliary fixing mechanism includes a sliding plate.

[0009] Preferably, the extension rod has an array of limiting holes inside, and the adjusting column has limiting grooves on both sides. The adjusting column in the limiting grooves also has an array of limiting holes.

[0010] Preferably, a handle is fixedly installed on the top of the adjusting column by bolts, and a threaded hole is also provided inside the adjusting column. A threaded mounting bolt is provided inside the threaded hole, and one end of the mounting bolt is fixedly provided with an integrally formed hand-tightening part. The mounting bolt slides in conjunction with the limiting hole.

[0011] Preferably, the two cross arms are distributed in a cross pattern as shown in the figure. The first cross arm and the second cross arm are rotatably connected by a connecting shaft. The three outer ends of the first cross arm and the second cross arm are provided with rotatably connected sliding mounting blocks. One side of the sliding mounting block is located inside the first limiting groove and is slidably connected to the first limiting groove. One end of the first cross arm is provided with a rotatably connected limiting slider.

[0012] Preferably, one side of the limiting slider is provided with a slidingly connected plug, and a telescopic spring is fixedly connected between the plug and the limiting slider. The plug is slidably connected to the limiting hole.

[0013] Preferably, the sliding plate is located in the limiting slide groove and is slidably connected to the limiting slide groove. A second plug is provided on one side of the sliding plate, and a second telescopic spring is provided between the second plug and the sliding plate. An extension block is also provided on one side of the sliding plate, and an integrally formed third plug is provided below the extension block. An integrally formed slider is provided at one end of the extension block.

[0014] The beneficial effects of this utility model are as follows:

[0015] This utility model allows the length and height of the device to be adjusted according to the required length and height of the guardrail on site. When adjusting the height, the mounting bolt is unscrewed from the threaded hole, and then the handle is pulled to lift the adjusting column upward. After lifting to the appropriate height, the mounting bolt is inserted into the limiting hole and the threaded hole, and the mounting bolt is tightened by hand, thereby completing the height adjustment of the device.

[0016] When adjusting the length, first pull the first plug out of the second limiting hole. Then, move one of the bases to increase the distance between the two bases. After the distance is adjusted, release the first plug. At this time, the first plug is inserted into the second limiting hole under the elastic force of the first telescopic spring, thereby limiting the position of the first and second cross arms. This completes the length adjustment of the device. After adjustment, place two water-filled barriers on both sides of the device, and then connect the device to the water barriers through the third plug or the slider to quickly fix the device, thus demonstrating the high practicality of the device. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings;

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the base and the adjusting column in this utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between cross arm one and cross arm two in this utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the limiting slider and the first plug in this utility model;

[0022] Figure 5 This is a schematic diagram of the overall structure of the auxiliary fixing mechanism in this utility model.

[0023] Legend: 1. Base; 11. Extension rod; 12. Limiting hole one; 13. Adjusting column; 14. Limiting slide groove one; 15. Limiting hole two; 16. Handle; 17. Threaded hole; 18. Mounting bolt; 19. Tightening part; 20. Cross arm one; 21. Cross arm two; 22. Sliding mounting block; 23. Limiting slider; 24. Plug one; 25. Telescopic spring one; 3. Auxiliary fixing mechanism; 31. Sliding plate; 32. Plug two; 33. Telescopic spring two; 34. Extension block; 35. Slider; 36. Plug three. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1 - Figure 5 As shown, this utility model is a road and bridge guardrail, including symmetrically distributed bases 1. An extension rod 11 is fixedly provided on the top of the base 1 by welding. An array of limiting holes 12 is opened inside the extension rod 11. An adjusting column 13 is also provided on the outside of the extension rod 11. A limiting groove 14 is opened on both sides of the adjusting column 13. An array of limiting holes 15 is also opened in the adjusting column 13 within the limiting groove 14.

[0026] A handle 16 is bolted to the top of the adjusting column 13. The handle 16 is used to easily lift the adjusting column 13. The adjusting column 13 also has a threaded hole 17 inside. The threaded hole 17 is equipped with a threaded mounting bolt 18. One end of the mounting bolt 18 is fixed with an integrally formed hand-tightening part 19. The mounting bolt 18 can be rotated through the hand-tightening part 19. The mounting bolt 18 slides in the limiting hole 12. When it is necessary to change the height of the guardrail in this device, the mounting bolt 18 is unscrewed from the threaded hole 17, and then the handle 16 is pulled to lift the adjusting column 13 upward. After it is lifted to the appropriate height, the mounting bolt 18 is inserted into the limiting hole 12 and the threaded hole 17, and the mounting bolt 18 is tightened through the hand-tightening part 19.

[0027] The base 1 is also provided with an array of cross arms 1 20 and cross arms 21. Cross arms 21 are distributed in a cross pattern as shown in the figure. Cross arms 1 20 and cross arms 21 are rotatably connected by a connecting shaft. The three outer ends of cross arms 1 20 and cross arms 21 are provided with rotatably connected sliding mounting blocks 22. One side of the sliding mounting block 22 is located inside the limiting slide groove 14 and is slidably connected to the limiting slide groove 14. One end of one of the cross arms 1 20 is provided with a rotatably connected limiting slider 23.

[0028] One side of the limiting slider 23 is provided with a slidingly connected plug 24. A telescopic spring 25 is fixedly connected between the plug 24 and the limiting slider 23. The plug 24 is slidably connected to the limiting hole 15. When it is necessary to extend the length of the guardrail, the plug 24 is first pulled out from the limiting hole 15. Then one of the bases 1 can be moved to increase the distance between the two bases 1. After the distance is adjusted, the plug 24 is released. At this time, the plug 24 is inserted into the limiting hole 15 under the elastic force of the telescopic spring 25, thereby limiting the position of the cross arm 20 and the cross arm 21.

[0029] An auxiliary fixing mechanism 3 is provided in the limiting slide groove 14 on the outside of the adjusting column 13. The auxiliary fixing mechanism 3 includes a sliding plate 31, which is located in the limiting slide groove 14 and is slidably connected to the limiting slide groove 14. A second plug 32 is provided on one side of the sliding plate 31, and a second telescopic spring 33 is provided between the second plug 32 and the sliding plate 31. An extension block 34 is also provided on one side of the sliding plate 31, and an integrally formed third plug 36 is provided below the extension block 34. An integrally formed slider 35 is provided at one end of the extension block 34. The third plug 36 and the slider 35 are used to connect the water-filled barrier and fix the guardrail.

[0030] The working process and principle of this utility model are as follows:

[0031] When using this device, first adjust its length and height according to the required length and height of the guardrail on site. When adjusting the height, unscrew the mounting bolt 18 from the threaded hole 17, then pull the handle 16 to lift the adjusting column 13 upwards. After lifting to the appropriate height, insert the mounting bolt 18 into the limiting hole 12 and the threaded hole 17, and tighten the mounting bolt 18 by hand tightening part 19 to complete the height adjustment of this device.

[0032] When adjusting the length, first pull out the first plug 24 from the second limiting hole 15, then move one of the bases 1 to increase the distance between the two bases 1. After the distance is adjusted, release the first plug 24. At this time, the first plug 24 is inserted into the second limiting hole 15 under the elastic force of the first telescopic spring 25, thereby limiting the position of the first cross arm 20 and the second cross arm 21, thus completing the length adjustment of the device. After the adjustment is completed, place two water-filled barriers on both sides of the device, and then connect the device to the water barriers through the third plug 36 or the slider 35 to quickly fix the device.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," and "specific example" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A road bridge guard rail comprising symmetrically distributed pedestals (1), characterized in that, The upper of the base (1) is provided with an extension rod (11) fixed by welding, the outer side of the extension rod (11) is also provided with a slidingly connected adjusting column (13), the base (1) is also provided with an array of cross arms (20) and cross arms (21), the limiting sliding groove (14) on the outer side of the adjusting column (13) is provided with an auxiliary fixing mechanism (3), the auxiliary fixing mechanism (3) comprises a sliding plate (31).

2. A road bridge guard rail according to claim 1, characterised in that The inside of the extension rod (11) is provided with an array of limiting holes (12), the two sides of the adjusting column (13) are provided with limiting sliding grooves (14), and the adjusting column (13) in the limiting sliding groove (14) is also provided with an array of limiting holes (15).

3. A road bridge guard rail according to claim 1, wherein The upper of the adjusting column (13) is provided with a handle (16) fixed by bolts, the inside of the adjusting column (13) is also provided with a threaded hole (17), the inside of the threaded hole (17) is provided with a mounting bolt (18) in threaded connection, one end of the mounting bolt (18) is fixedly provided with an integrally formed hand screwing part (19), and the mounting bolt (18) is in sliding fit with the limiting hole (12).

4. The road and bridge guardrail according to claim 1, characterized in that, The cross arms (21) and the cross arms (21) are cross-distributed, the cross arms (20) and the cross arms (21) are rotatably connected through connecting shafts, the three outer side ends of the cross arms (20) and the cross arms (21) are provided with rotatably connected sliding mounting blocks (22), one side of the sliding mounting block (22) is located in the inside of the limiting sliding groove (14) and is in sliding connection with the limiting sliding groove (14), and one end of one of the cross arms (20) is provided with a rotatably connected limiting sliding block (23).

5. A road bridge barrier according to claim 4, wherein One side of the limiting sliding block (23) is provided with a slidingly connected plug (24), the plug (24) and the limiting sliding block (23) are provided with a fixedly connected telescopic spring (25), and the plug (24) is in sliding connection with the limiting hole (15).

6. A road bridge guard rail according to claim 1, wherein The sliding plate (31) is located in the limiting sliding groove (14) and is in sliding connection with the limiting sliding groove (14), one side of the sliding plate (31) is provided with a slidingly connected plug (32), the plug (32) and the sliding plate (31) are provided with a fixedly connected telescopic spring (33), one side of the sliding plate (31) is also provided with a fixedly connected extension block (34), the lower of the extension block (34) is provided with an integrally formed plug (36), one end of the extension block (34) is provided with an integrally formed sliding block (35).

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