Connecting structure of road guardrail

Abstract

The utility model relates to the field of road traffic safety facilities, and discloses a road guardrail connecting structure which comprises two bases, telescopic supporting columns are connected to the upper sides of the interiors of the bases in a clamped mode, a top cover is fixedly connected to the tops of the telescopic supporting columns, and connecting parts are fixedly connected to the left side and the right side of the upper side of each telescopic supporting column. Mounting parts are fixedly connected to the left and right sides of the lower side of the telescopic supporting column, mounting assemblies are slidably connected to the interiors of the mounting parts, connecting rods are slidably connected to the interiors of the mounting parts, uniformly distributed guardrail rods are fixedly connected to the upper parts of the connecting rods, and connecting parts are fixedly connected to the top ends of the guardrail rods; inserting grooves are formed in the left side and the right side of the interior of the upper side of the connecting piece, and the connecting parts are slidably connected into the inserting grooves. According to the guardrail, the guardrail can be rapidly and stably connected, meanwhile, the corrosion resistance and the stability are improved, the height of the whole guardrail can be adjusted according to needs, and the applicability of the guardrail is improved.

Description

Technical Field

[0001] The utility model relates to the field of highway traffic safety facilities, in particular to a connection structure of a highway guardrail. Background Art

[0002] Highway guardrail connection structure is suitable for all kinds of roads, expressways, bridges and other traffic sections where guardrails are required, especially for areas with harsh environment and high requirements for guardrail stability. As an important facility to ensure traffic safety, the stability and durability of highway guardrails are directly related to the safety of road traffic.

[0003] After searching, the Chinese patent announcement number: CN207525677U discloses a highway guardrail including a plurality of support rods, and connecting rods are fixedly connected between adjacent support rods. The key points of its technical solution are that a water outlet pipe is installed in the connecting rod, and a solenoid valve for controlling the water flow in the water outlet pipe is installed on the water outlet pipe. A plurality of nozzles are installed on the water outlet pipe, and a plurality of water holes corresponding to the nozzles are opened on the connecting rod. A plurality of water holes are opened on the connecting rod, and a water outlet pipe is arranged in the connecting rod, and the water outlet pipe is connected to the nozzle corresponding to the water holes. Although the patented technology overflows through the water outlet pipe and the nozzle, and passes through the water holes and then sprays on the road surface, the purpose of improving the practicality of the guardrail is achieved.

[0004] However, the connection method of highway guardrails still has obvious shortcomings in terms of corrosion resistance, stability and maintenance cost, and it is difficult to meet the growing demand for road traffic safety. Therefore, technical personnel in this field provide a connection structure for highway guardrails to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a connection structure of a highway guardrail, aiming to improve the problem that the highway guardrail connection method in the prior art still has obvious shortcomings in corrosion resistance, stability and maintenance cost, and is difficult to meet the growing road traffic safety needs.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A connection structure of a highway guardrail comprises two bases, wherein a telescopic support is snap-connected to the inner upper side of the base, a top cover is fixedly connected to the top of the telescopic support, a connecting portion is fixedly connected to the upper left and right sides of the telescopic support, a mounting piece is fixedly connected to the lower left and right sides of the telescopic support, a mounting assembly is slidably connected to the inner side of the mounting piece, a connecting rod is slidably connected to the inner side of the mounting piece, a guardrail rod distributed uniformly is fixedly connected to the upper part of the connecting rod, a connecting piece is fixedly connected to the top end of the guardrail rod, a slot is provided on the inner left and right sides of the upper side of the connecting piece, the connecting portion is slidably connected to the inner side of the slot, a fastening assembly is threadedly connected to the inner side of the connecting piece and the connecting portion, an anti-corrosion coating is coated on the surface of the connecting piece, and the connecting piece, the guardrail as a whole and the connecting portion are made of high-strength material.

[0008] Through the above technical solution, the telescopic pillar is inserted into the interior of the base, and the two telescopic pillars are moved closer to the connecting piece and the connecting rod, so that the mounting piece is clamped on the outside of the connecting rod, and it is fixed and installed through the installation component. The connecting part is inserted into the slot that matches the size of the connecting part and is opened on the connecting piece. The connecting piece and the telescopic pillar are fixed and installed by the fastening component, so that the guardrail can be quickly and stably installed and connected. The connecting piece, the guardrail as a whole and the connecting part are all made of high-strength materials and the surface is coated with an anti-corrosion coating, so that it has corrosion resistance and stability. The connecting piece has a U-shaped structure, which improves the aesthetics of the beam.

[0009] Furthermore, the fastening assembly includes a first bolt, the first bolt is threadedly connected to the inside of the connecting piece and the connecting portion, and one side of the first bolt is externally threadedly connected to a first nut.

[0010] Through the above technical solution, the first bolt is screwed into the interior of the connecting member and the connecting portion, and the first nut is threadedly connected to the first bolt, thereby playing a role in fixing the connecting member and the connecting portion.

[0011] Furthermore, a sleeve is fixedly connected to the front side of the telescopic support, a pull block is slidably provided on the front end of the sleeve, a pull rod is fixedly connected to the rear side of the pull block, a spring is sleeved on the outside of the pull rod, a movable plate is fixedly connected to the outside of one side of the pull rod, the pull block and the pull rod are both rotatably connected to a rotating rod, one end of the rotating rod is fixedly connected to a rotating ring, one end of the rotating rod is fixedly connected to a screw, and evenly distributed positioning holes are opened on the internal front side of the telescopic support, and the screw is threadedly connected to the inside of the positioning holes.

[0012] Through the above technical solution, the pull block is pushed to drive the pull rod to move, and the movable plate is moved to drive the spring to reset and move the screw. When the screw moves to the edge of the positioning hole, the rotating ring is rotated to drive the rotating rod to rotate and the screw is rotated into the positioning hole to fix the telescopic support to prevent it from sliding down.

[0013] Furthermore, the mounting assembly includes a second bolt, the second bolt is slidably connected to the inside of the mounting member, the second bolt is threadedly connected to the connecting rod through the mounting member, and one side of the second bolt is externally threadedly connected to a second nut.

[0014] Through the above technical solution, the second bolt is threadedly connected to the connecting rod through the mounting piece and fixed thereto, and the second nut is screwed onto the outside of the second bolt, making the connection between the mounting piece and the connecting rod more stable.

[0015] Furthermore, the left and right sides of the movable plate are fixedly connected with limiting blocks, the left and right sides of the interior of the sleeve are provided with limiting grooves, and the limiting blocks are slidably connected inside the limiting grooves.

[0016] Through the above technical solution, the movement of the pull rod drives the moving plate to move, so that the limit block moves in the limit groove, ensuring the stability of the movement of the pull rod.

[0017] Furthermore, one end of the spring is fixedly connected to the inner wall of the sleeve, and the other end of the spring is fixedly connected to the front side of the moving plate.

[0018] Through the above technical solution, when the movable plate presses the spring, a rebound force can be generated to move the pull rod.

[0019] Furthermore, the movable plate is slidably connected inside the sleeve.

[0020] Through the above technical solution, the pull rod is moved to drive the movable plate to move, so that the spring is squeezed to generate a rebound force to drive the pull rod to move, and the limit block can be driven to move.

[0021] Furthermore, the screw rod is arranged at one end of the pull rod.

[0022] Through the above technical solution, when the pull block is loosened, the screw rod can push the pull rod through the spring to drive the screw rod to move, or the screw rod can drive the pull rod to move when it moves.

[0023] The utility model has the following beneficial effects:

[0024] 1. In the utility model, the telescopic support is inserted into the interior of the base, and the mounting piece is sleeved on the outside of the connecting rod, the connecting part is inserted into the interior of the slot, the connecting part and the connecting piece are fixedly connected by a first bolt and a first nut, and the mounting piece and the connecting rod are fixedly connected by a second bolt and a second nut. Moreover, the connecting piece, the guardrail as a whole and the connecting part are all made of high-strength materials and the surfaces are coated with an anti-corrosion coating, so that the guardrail can be quickly and firmly connected, and the corrosion resistance and stability are improved at the same time.

[0025] 2. In the utility model, the rotating ring is rotated to drive the rotating rod to rotate the screw rod, so that the pull rod and the movable plate move to squeeze the spring, and at the same time drive the limit block to slide in the limit groove, so that the screw rod and the positioning hole are separated, and the height of the telescopic support can be adjusted, so that the overall height of the guardrail can be adjusted as needed, thereby improving the applicability of the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A three-dimensional diagram of a connection structure of a highway guardrail proposed by the utility model;

[0027] Figure 2 A rear perspective view of a connection structure of a highway guardrail proposed by the utility model;

[0028] Figure 3 A schematic diagram of the positioning structure of a connection structure of a highway guardrail proposed by the utility model;

[0029] Figure 4 for Figure 2 Enlarged view of point A.

[0030] Legend:

[0031] 1. Base; 2. Telescopic support; 3. Mounting piece; 4. Top cover; 5. Connecting part; 6. Sleeve; 7. Positioning hole; 8. Connecting piece; 9. Guardrail; 10. First bolt; 11. Second bolt; 12. Second nut; 13. Connecting rod; 14. Rotating ring; 15. Rotating rod; 16. Pull block; 17. Pull rod; 18. Spring; 19. Moving plate; 20. Limit block; 21. Limit groove; 22. Screw; 23. First nut; 24. Slot. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1 , Figure 2 and Figure 4 The utility model provides an embodiment: a connection structure of a highway guardrail, comprising two bases 1, a telescopic support 2 is snap-connected to the inner upper side of the base 1, a top cover 4 is fixedly connected to the top of the telescopic support 2, a connecting portion 5 is fixedly connected to the upper left and right sides of the telescopic support 2, a mounting member 3 is fixedly connected to the lower left and right sides of the telescopic support 2, a mounting assembly is slidably connected to the mounting member 3, a connecting rod 13 is slidably connected to the inner side of the mounting member 3, a guardrail rod 9 evenly distributed is fixedly connected to the upper part of the connecting rod 13, a connecting member 8 is fixedly connected to the top of the guardrail rod 9, a slot 24 is opened on the upper left and right sides of the inner side of the connecting member 8, the connecting portion 5 is slidably connected to the inner side of the slot 24, a fastening assembly is threadedly connected to the inner side of the connecting member 8 and the connecting portion 5, an anti-corrosion coating is coated on the surface of the connecting member 8, the guardrail as a whole and the connecting portion 5, and the connecting member 8, the guardrail as a whole and the connecting portion 5 are all made of high-strength materials;

[0034] The fastening assembly includes a first bolt 10, which is threadedly connected to the inside of the connecting member 8 and the connecting part 5, and a first nut 23 is threadedly connected to one side of the first bolt 10. The mounting assembly includes a second bolt 11, which is slidably connected to the inside of the mounting member 3, and the second bolt 11 is threadedly connected to the connecting rod 13 through the mounting member 3, and a second nut 12 is threadedly connected to one side of the second bolt 11.

[0035] The telescopic support 2 is inserted into the interior of the base 1, and the mounting member 3 is sleeved on the outside of the connecting rod 13, and the connecting part 5 is inserted into the interior of the slot 24 whose size matches the connecting part 5. The first bolt 10 is screwed into the interior of the connecting part 5 and the connecting member 8 to make them threadedly connected, and the first nut 23 is threadedly connected to the first bolt 10, so that the connecting member 8 and the telescopic support 2 are fixedly connected, and the second bolt 11 is screwed into the interior of the connecting rod 13 through the through hole opened on the mounting member 3 to be threadedly connected, and the second nut 12 is threadedly connected to the second bolt 11 to fix the connecting rod 13 and the telescopic support 2. The connecting member 8, the guardrail as a whole and the connecting part 5 are all made of high-strength materials and the surfaces are coated with anti-corrosion coatings, so that the guardrail can be quickly and firmly connected, while improving the corrosion resistance and stability. The connecting member 8 is in a U-shaped structure, which improves the aesthetics of the beam.

[0036] Reference Figure 1 and Figure 3The front side of the telescopic support 2 is fixedly connected with a sleeve 6, a pull block 16 is slidably provided at the front end of the sleeve 6, a pull rod 17 is fixedly connected to the rear side of the pull block 16, a spring 18 is sleeved on the outside of the pull rod 17, a movable plate 19 is fixedly connected to the outside of one side of the pull rod 17, the inside of the pull block 16 and the pull rod 17 are both rotatably connected with a rotating rod 15, one end of the rotating rod 15 is fixedly connected with a rotating ring 14, one end of the rotating rod 15 is fixedly connected with a screw 22, and the inner front side of the telescopic support 2 is provided with uniformly distributed positioning holes 7, the screw 22 is threadedly connected to the inside of the positioning hole 7, and the screw 22 is arranged at one end of the pull rod 17;

[0037] The left and right sides of the movable plate 19 are fixedly connected to the limiting blocks 20, and the left and right sides of the interior of the sleeve 6 are provided with limiting grooves 21. The limiting blocks 20 are slidably connected inside the limiting grooves 21. One end of the spring 18 is fixedly connected to the inner wall of the sleeve 6, and the other end of the spring 18 is fixedly connected to the front side of the movable plate 19. The movable plate 19 is slidably connected inside the sleeve 6.

[0038] By rotating the rotating ring 14, the rotating rod 15 drives the screw rod 22 to rotate, and the screw rod 22 rotates and moves to push the pull rod 17, so that the pull rod 17 moves and drives the movable plate 19 to move inside the sleeve 6 to squeeze the spring 18. At the same time, the limit block 20 moves inside the limit groove 21, so that the screw rod 22 moves out of the positioning hole 7 and moves into the sleeve 6, and separates from the telescopic support 2, so that the height of the telescopic support 2 can be adjusted. Both the connecting piece 8 and the guardrail rod 9 can be retracted, so that the overall height of the guardrail can be adjusted as needed, thereby improving the applicability of the guardrail.

[0039] Working principle: When the device is needed, the telescopic support 2 is inserted into the base 1, and the mounting member 3 is sleeved on the outside of the connecting rod 13, and the connecting part 5 is inserted into the slot 24. The connecting part 5 and the connecting member 8 are threadedly connected by the first bolt 10, and fixedly connected by the first nut 23. The second bolt 11 is threadedly connected to the connecting rod 13 by the mounting member 3, and fixedly connected by the second nut 12. The connecting member 8, the guardrail as a whole and the connecting part 5 are all made of high-strength materials and the surface is coated with an anti-corrosion coating, so that the guardrail can be quickly and firmly connected, and the corrosion resistance and stability are improved at the same time.

[0040] By rotating the rotating ring 14, the screw rod 22 is driven to rotate and separate from the positioning hole 7 through the rotating rod 15, and the pull rod 17 and the movable plate 19 are driven to move to squeeze the spring 18, and at the same time, the limit block 20 is driven to slide inside the limit groove 21, so that the screw rod 22 is separated from the telescopic support 2, and the height of the telescopic support 2 can be adjusted. Both the connecting piece 8 and the guardrail rod 9 can be retracted, so that the overall height of the guardrail can be adjusted as needed, thereby improving the applicability of the guardrail.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A highway guardrail connection structure, comprising two bases (1), characterized in that: The upper side of the base (1) is snap-connected with a telescopic support (2), the top of the telescopic support (2) is fixedly connected with a top cover (4), the upper side of the telescopic support (2) is fixedly connected with a connecting portion (5) on both sides, the lower side of the telescopic support (2) is fixedly connected with a mounting member (3) on both sides, the mounting member (3) is slidably connected with a mounting assembly, the mounting member (3) is slidably connected with a connecting rod (13) on its inside, the upper part of the connecting rod (13) is fixedly connected with guardrail rods (9) distributed evenly, the top of the guardrail rod (9) is fixedly connected with a connecting member (8), the upper side of the connecting member (8) is provided with slots (24) on both sides, the connecting portion (5) is slidably connected to the inside of the slot (24), the connecting portion (8) and the connecting portion (5) are both threadedly connected with a fastening assembly, the surfaces of the connecting member (8), the guardrail as a whole and the connecting portion (5) are all coated with an anti-corrosion coating, and the connecting member (8), the guardrail as a whole and the connecting portion (5) are all made of high-strength material.

2. A highway guardrail connection structure according to claim 1, characterized in that: The fastening assembly comprises a first bolt (10), the first bolt (10) being threadedly connected inside the connecting member (8) and the connecting portion (5), and a first nut (23) being threadedly connected to the outside of one side of the first bolt (10).

3. The connection structure of a highway guardrail according to claim 1, characterized in that: The front side of the telescopic support (2) is fixedly connected to a sleeve (6), the front end of the sleeve (6) is slidably provided with a pull block (16), the rear side of the pull block (16) is fixedly connected to a pull rod (17), the outside of the pull rod (17) is sleeved with a spring (18), one side of the pull rod (17) is fixedly connected to the outside with a moving plate (19), the inside of the pull block (16) and the pull rod (17) are both rotatably connected to a rotating rod (15), one end of the rotating rod (15) is fixedly connected to a rotating ring (14), one end of the rotating rod (15) is fixedly connected to a screw (22), and the front side of the interior of the telescopic support (2) is provided with evenly distributed positioning holes (7), and the screw (22) is threadedly connected to the inside of the positioning hole (7).

4. The connection structure of a highway guardrail according to claim 1, characterized in that: The mounting assembly comprises a second bolt (11), the second bolt (11) being slidably connected to the interior of the mounting member (3), the second bolt (11) being threadedly connected to a connecting rod (13) through the mounting member (3), and a second nut (12) being threadedly connected to the exterior of one side of the second bolt (11).

5. The connection structure of a highway guardrail according to claim 3, characterized in that: The left and right sides of the movable plate (19) are fixedly connected to limit blocks (20), the left and right sides of the interior of the sleeve (6) are provided with limit slots (21), and the limit blocks (20) are slidably connected inside the limit slots (21).

6. A highway guardrail connection structure according to claim 3, characterized in that: One end of the spring (18) is fixedly connected to the inner wall of the sleeve (6), and the other end of the spring (18) is fixedly connected to the front side of the moving plate (19).

7. A highway guardrail connection structure according to claim 3, characterized in that: The movable plate (19) is slidably connected inside the sleeve (6).

8. The connection structure of a highway guardrail according to claim 3, characterized in that: The screw rod (22) is arranged at one end of the pull rod (17).

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