Guardrail crossing side ditch

Abstract

The utility model discloses a side ditch crossing guardrail which is mainly applied to the technical field of road traffic safety facilities and comprises a transition section and a standard section, the transition section is composed of a square stand column, a round stand column, an end round wrapping head, a bracket, a steel truss, an anti-blocking block, an end wave beam plate, a bevel wave beam plate and a standard wave beam plate, a square stand column is embedded in the front section of the transition section on the inner side of the side ditch, a round stand column is embedded in the middle section and the rear section of the transition section, the top of the square stand column is connected with a bracket through bolts, and the square stand column and the bracket are connected with an end round wrapping head and an end wave beam plate through bolts. The side ditch crossing guardrail is firm, reliable, high in adaptability, capable of being suitable for various working conditions, convenient to install, low in construction difficulty and high in operation efficiency, construction cost is remarkably reduced, the construction period is shortened, and the side ditch crossing guardrail has high popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of highway traffic safety facilities, in particular to a cross-ditch guardrail. Background Art

[0002] The corrugated guardrail across the ditch is an important traffic safety facility, widely used in road projects such as highways, expressways, bridges, etc., especially in situations where it is necessary to cross the ditch for road isolation or protection.

[0003] Application No. 2023214995560 discloses a corrugated steel guardrail device for use across side ditches at the intersection of cut-and-fill sections on highways. The device comprises a corrugated steel guardrail, guardrail posts, and post flanges. The standard section of the corrugated steel guardrail extends upstream of the cut section to form a gradient section, with multiple guardrail posts evenly spaced and connected to the gradient section. A drainage ditch is provided on one side of the highway, parallel to the ditch, with a concrete base plate and concrete side plates at the bottom and sides, respectively, to form a concrete side ditch. The concrete side ditch is covered with a corresponding concrete cover plate. The gradient section is located above the concrete side ditch, and the lower ends of the guardrail posts are connected to the shoulder, concrete cover plate, and concrete side plates via the post flanges, or to the concrete cover plate, or to the concrete cover plate and concrete side plates. The advantages of this device are: it enhances the protective capability of the guardrail and avoids the risk of vehicles piercing the vehicle body or running off the road due to improper guardrail installation.

[0004] Although the above technical solution solves the problem of improving the protection level of the guardrail and avoiding the risk of the guardrail piercing the vehicle body or the vehicle running off the road, it still has the following disadvantages: 1. The construction conditions are limited and it can only be used on the concrete ditch and cannot be applied under other working conditions; 2. The installation is relatively complicated and requires drilling holes in the concrete, and the number of holes to be drilled is large. At the same time, chemical bolts are also required, which has high construction requirements and low operating efficiency. Utility Model Content

[0005] The utility model provides a cross-ditch guardrail, which solves the problems of limited construction conditions, complex installation, high construction requirements and low operation efficiency of existing cross-ditch corrugated guardrails.

[0006] The technical solution of the utility model is as follows: a cross-ditch guardrail, including a gradient section and a standard section, wherein the gradient section is composed of square columns, round columns, end round caps, brackets, steel trusses, anti-blocking blocks, end wave beam plates, angled wave beam plates, and standard wave beam plates. The front section of the gradient section is embedded with square columns on the inner side of the ditch, and the middle and rear sections are embedded with round columns. The top of the square column is connected to the bracket by bolts. The square column and the bracket are connected to the end round caps and the end wave beam plates by bolts. The round column The column is connected to the steel truss by bolts, and the other side of the steel truss is bolted to the anti-obstruction block, and the anti-obstruction block is connected to the standard corrugated beam plate by bolts. The anti-obstruction block at the end of the gradient section is connected to the angled corrugated beam plate; the standard section is composed of square columns, anti-obstruction blocks, and standard corrugated beam plates. Square columns are buried outside the side ditch of the standard section, and the top of the square column is bolted to the anti-obstruction block, and the other end of the anti-obstruction block is connected to the standard corrugated beam plate; the starting end of the standard corrugated beam plate is connected to the end of the angled corrugated beam plate.

[0007] Preferably, the maximum width of the side ditch is 1200 mm.

[0008] Preferably, there are pillar supports between the square pillars in the front section of the gradient section.

[0009] Preferably, the embedding depth of the square columns and round columns is at least 1100 mm.

[0010] Preferably, the outward slope of the end round cap and the angled corrugated beam plate shall not be greater than 1:11.

[0011] Preferably, the square columns and column supports are made of Q335 steel.

[0012] Preferably, the circular columns, anti-blocking blocks, end corrugated beam plates, angled corrugated beam plates, and standard corrugated beam plates are made of carbon structural steel.

[0013] Preferably, the square columns are made of 130mm*130mm square tubes, and the round columns are made of 140mm diameter round tubes.

[0014] Preferably, the cross-section of the bracket and the anti-blocking block is "Ω"-shaped.

[0015] Preferably, the distance between the square columns in the front section of the gradient section does not exceed 835 mm.

[0016] Principle of the present invention: In order to solve the problem of limited construction conditions of existing cross-ditch corrugated guardrails, the present invention uses columns and round columns as the installation basis of corrugated guardrails with a buried depth of more than 1100mm. After corresponding tests, the safety performance of the present invention meets the relevant requirements of the "Highway Guardrail Safety Performance Evaluation Standard" (JTGB05-01-2013). When the columns and round columns cannot be driven in, a concrete foundation is used, and the depth of burial in the concrete shall not be less than 400mm. This method can adapt to various working conditions, and the installation is relatively fast and efficient. Even in extreme cases, it can still ensure high construction efficiency; in order to solve the problems of complex installation, high construction requirements and low operating efficiency, the present invention uses columns, round columns, brackets, anti-blocking blocks and standard corrugated beams as standard parts, and the remaining components can be adjusted to corresponding sizes according to construction conditions. After the components arrive at the work site, each section can operate simultaneously, effectively improving construction efficiency. Bolts are used to connect the various components, and the installation difficulty is relatively low. The technical requirements for construction personnel are relatively low, and it is suitable for wide promotion and application.

[0017] The beneficial effects of the utility model are as follows: a cross-ditch guardrail that is sturdy and reliable, has strong adaptability, can be applied to a variety of working conditions, is easy to install, has low construction difficulty, has high operating efficiency, significantly reduces construction costs, shortens construction period, and has high promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a schematic diagram of the structure of the utility model;

[0020] Figure 3 This is a reference diagram of the use status of the utility model;

[0021] Figure 4 This is a reference diagram of the use status of the utility model;

[0022] Figure 5 This is a schematic diagram of the square column, round column, and steel truss structure;

[0023] Figure 6 Schematic diagram of the angled corrugated beam-slab structure;

[0024] Figure 7 It is a schematic diagram of the support structure of the bracket, anti-blocking block and column;

[0025] Figure 8 This is a schematic diagram of the end round cap structure;

[0026] Figure 9 Schematic diagram of the end corrugated beam plate structure;

[0027] In the figure, 101-square column, 102-round column, 103-end round cap, 104-bracket, 105-steel truss, 106-blocking block, 107-end corrugated beam plate, 108-angled corrugated beam plate, 109-standard corrugated beam plate, 110-column support. DETAILED DESCRIPTION

[0028] The specific implementation of the utility model is as follows: Figures 1-9 As shown, a cross-ditch guardrail includes a gradient section and a standard section. The gradient section is composed of a square column 101, a round column 102, an end round cap 103, a bracket 104, a steel truss 105, a blocking block 106, an end wave beam plate 107, an angled wave beam plate 108, and a standard wave beam plate 109. The front section of the gradient section is embedded with a square column 101 inside the ditch, and the middle and rear sections are embedded with a round column 102. The top of the square column 101 is connected to the bracket 104 by bolts. The square column 101 and the bracket 104 are connected to the end round cap 103 and the end wave beam plate 107 by bolts. The round column 102 is connected to the side ditch by bolts. Bolts are connected to the steel truss 105, and the other side of the steel truss 105 is bolted to the anti-obstruction block 106, and the anti-obstruction block 106 is connected to the standard corrugated beam plate 109 through bolts. The anti-obstruction block 106 at the end of the gradient section is connected to the angled corrugated beam plate 108; the standard section is composed of square columns 101, anti-obstruction blocks 106, and standard corrugated beam plates 109. Square columns 101 are buried outside the side ditch of the standard section, and the top of the square column 101 is bolted to the anti-obstruction block 106, and the other end of the anti-obstruction block 106 is connected to the standard corrugated beam plate 109; the starting end of the standard corrugated beam plate 109 is connected to the end of the angled corrugated beam plate 108. In this embodiment, if the end corrugated beam plate 107, the angled corrugated beam plate 108, and the standard corrugated beam plate 109 adopt a thickness of 3mm, a length of 506mm, and a width of 85mm, an A-level cross-ditch guardrail can be achieved; if the end corrugated beam plate 107, the angled corrugated beam plate 108, and the standard corrugated beam plate 109 adopt a thickness of 4mm, a length of 506mm, and a width of 85mm, an SB-level cross-ditch guardrail can be achieved. If a cross-ditch guardrail of other strength levels is required, it is only necessary to adjust the corresponding dimensions.

[0029] Specifically, such as Figure 2 As shown, the maximum width of the side ditch is 1200mm. The utility model can be used in working conditions where the side ditch width is less than 1200mm, and has wide adaptability.

[0030] Specifically, such as Figure 1 As shown, there are column supports 110 between the square columns 101 at the front of the transition section. The column supports 110 are used to enhance the structural strength of the square columns 101 at the front of the transition section to prevent vehicles from running out of the guardrail.

[0031] Specifically, such as Figure 3 、 Figure 4As shown, the embedment depth of the square column 101 and the round column 102 is at least 1100 mm. In this embodiment, the sufficient embedment depth of the square column 101 and the round column 102 can meet the relevant requirements of the "Highway Guardrail Safety Performance Evaluation Standard" JTGB05-01-2013 and other standards, and is safe and reliable.

[0032] Specifically, such as Figure 2 As shown, the outward slope of the end round cap 103 and the angled corrugated beam plate 108 shall not be greater than 1:11. In this embodiment, the appropriate outward slope ensures a smooth transition between the gradient section and the standard section, avoids stress concentration, and prevents the guardrail from piercing the vehicle body due to improper installation.

[0033] Specifically, the square columns 101 and the column supports 110 are made of Q335 steel, which has high structural strength, is easy to obtain, and reduces production costs.

[0034] Specifically, the circular columns 102, the blocking blocks 106, the end corrugated beam plates 107, the angled corrugated beam plates 108, and the standard corrugated beam plates 109 are made of carbon structural steel. In this embodiment, the circular columns 102, the blocking blocks 106, the end corrugated beam plates 107, the angled corrugated beam plates 108, and the standard corrugated beam plates 109 made of carbon structural steel are strong and inexpensive to produce.

[0035] Specifically, the square column 101 is made of a 130mm*130mm square tube, and the round column 102 is made of a 140mm diameter round tube. In this embodiment, the dimensions of the square column 101 and the round column 102 both have high bending resistance, ensuring the reliable strength of the guardrail and preventing vehicles from driving out of the guardrail.

[0036] Specifically, such as Figure 7 As shown, the cross-section of the bracket 104 and the anti-blocking block 106 is Ω-shaped. In this embodiment, the bracket 104 and the anti-blocking block 106 are scientifically and rationally designed, with certain deformation and energy absorption properties. They can absorb a certain amount of impact, prevent further damage to the vehicle, and reduce economic losses. At the same time, they can also prevent the square column 101 and the round column 102 from breaking, reducing repair costs.

[0037] Specifically, the distance between the square columns 101 in the front section of the gradient section does not exceed 835 mm. In this embodiment, maintaining a certain distance between the square columns 101 can prevent the square columns 101 from being weak and causing vehicles to run out of the guardrail.

[0038] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A ditch guardrail comprising a gradient section and a standard section, characterized in that: The transition section is composed of a square column (101), a round column (102), an end round cap (103), a bracket (104), a steel truss (105), a blocking block (106), an end wave beam plate (107), a folded angle wave beam plate (108), and a standard wave beam plate (109). The front section of the transition section is embedded with a square column (101) inside the side ditch, and the middle section and the rear section are embedded with a round column (102). The top of the square column (101) is connected to the bracket (104) by bolts. The square column (101) and the bracket (104) are connected to the end round cap (103) and the end wave beam plate (107) by bolts. The round column (102) is connected to the steel truss (105) by bolts. ) connection, the other side of the steel truss (105) is bolted to an anti-blocking block (106), the anti-blocking block (106) is bolted to a standard corrugated beam plate (109), and the anti-blocking block (106) at the end of the gradient section is connected to a folded angle corrugated beam plate (108); the standard section is composed of a square column (101), an anti-blocking block (106), and a standard corrugated beam plate (109); a square column (101) is buried outside the side ditch of the standard section, the top of the square column (101) is bolted to an anti-blocking block (106), and the other end of the anti-blocking block (106) is connected to the standard corrugated beam plate (109); the starting end of the standard corrugated beam plate (109) is connected to the end of the folded angle corrugated beam plate (108).

2. A ditch guardrail according to claim 1, characterized in that: The maximum width of the side ditch is 1200mm.

3. A ditch guardrail according to claim 1, characterized in that: There are column supports (110) between the square columns (101) at the front section of the gradual section.

4. A ditch guardrail according to claim 1, characterized in that: The embedding depth of the square column (101) and the round column (102) is at least 1100 mm.

5. The cross-ditch guardrail according to claim 1, characterized in that: The outward extension slope of the end round cap (103) and the angled corrugated beam plate (108) shall not be greater than 1:

11.

6. The ditch guardrail according to claim 3, characterized in that: The square columns (101) and column supports (110) are made of Q335 steel.

7. The ditch guardrail according to claim 1, characterized in that: The circular columns (102), the anti-blocking blocks (106), the end corrugated beam plates (107), the angled corrugated beam plates (108), and the standard corrugated beam plates (109) are made of carbon structural steel.

8. The ditch guardrail according to claim 1, characterized in that: The square column (101) is made of a 130mm*130mm square tube, and the round column (102) is made of a 140mm diameter round tube.

9. The ditch guardrail according to claim 1, characterized in that: The cross-sections of the bracket (104) and the anti-blocking block (106) are in an "Ω" shape.

10. The ditch guardrail according to claim 1, characterized in that: The distance between the square columns (101) at the front section of the gradual transition section does not exceed 835 mm.

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