High-strength connecting device for highway guardrail plates

Abstract

The utility model discloses a high-strength connecting device for highway guardrail plates, which relates to the technical field of highway protection and comprises fixing rods, positioning frames are fixedly mounted on one sides of the two fixing rods, supporting legs are detachably mounted in the two positioning frames, and concrete bases are arranged at the bottoms of the two fixing rods. A concrete base used for fixing a fixing rod is poured under the corresponding ground, a ground column installed at the bottom end of the fixing rod is poured in the concrete base, primary fixing of the fixing rod is completed, and after pouring is completed, secondary fixing of the fixing rod is completed under the cooperation of a fixing strip and a positioning buckle. And finally, mounting of the supporting legs is completed through the positioning frames mounted on one sides of the fixing rods, mounting and fixing of the supporting legs are completed through the ground thorns uniformly distributed on the bottom faces of the supporting bases at the bottom ends of the supporting legs, third-time fixing of the fixing rods is completed, through the operation, the fixing strength of the two fixing rods is improved, and therefore the strength of the protective fence after mounting is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of highway protection, in particular to a high-strength connecting device for highway guardrail plates. Background Art

[0002] Expressways can accommodate speeds of 120 km / h or higher (generally 120 km / h), and the road surface has a width of more than 4 lanes. Therefore, in order to prevent the safety of vehicles on expressways due to high speeds, guardrails need to be installed on both sides and in the middle of the expressways for protection. When installing the guardrails, they are spliced ​​together through special fixed poles according to the length of the expressway.

[0003] However, the existing fixing rods used to fix the guardrails are only fixed by burying them in the ground or pouring concrete during installation, which makes the fixing rods have poor strength after installation, resulting in poor strength of the guardrails after installation. Secondly, most of the existing guardrails are only fixed by bolts, which are easy to loosen over time, resulting in poor firmness of the guardrails after installation, increasing the possibility of high-speed vehicles hitting the guardrails and flying off the road. In response to the above problems, the inventors proposed a high-strength connection device for highway guardrails to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the existing fixing rods used to fix the guardrails are only fixed by burying them in the ground or pouring concrete during installation, which makes the fixing rods have poor strength after installation, thereby resulting in poor strength of the guardrails after installation; the purpose of the utility model is to provide a high-strength connection device for highway guardrails.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a high-strength connection device for highway guardrails, including a fixing rod, the number of the fixing rods is two, one side of the two fixing rods is fixedly installed with a positioning frame, the two positioning frames are detachably installed with support legs, the bottom ends of the support legs are fixedly installed with support seats, the bottom surface of the support seats is fixedly installed with evenly distributed ground spikes, the bottoms of the two fixing rods are provided with concrete bases, the bottom ends of the fixing rods are fixedly installed with ground columns, the ground columns are inserted in the concrete base, the ground columns and the concrete base cooperate with each other, the bottom ends of both sides of the fixing rods are symmetrically installed with fixing strips, the two fixing strips are symmetrically inserted with positioning buckles, the positioning buckles penetrate the fixing strips and two are inserted in the concrete base;

[0006] When it is necessary to install and fix the two fixing rods for installing the guardrail, according to the position of the fixing rod installation ground, pour the concrete base for fixing the fixing rod under the corresponding ground, and pour the ground column installed at the bottom end of the fixing rod into the concrete base to complete the primary fixation of the fixing rod. After the pouring is completed, the fixing rod is secondary fixed with the cooperation of the fixing strip and the positioning buckle, and finally the installation of the supporting leg is completed by the positioning frame installed on one side of the fixing rod, and the installation and fixation of the supporting leg is completed by the evenly distributed ground spikes installed on the bottom surface of the supporting seat at the bottom end of the supporting leg. Through the above operations, the installation and fixation of the two fixing rods are completed, the strength of the two fixing rods is improved, thereby improving the strength behind the guardrail.

[0007] Preferably, limiting pieces are symmetrically installed on one side of the two fixing rods, and guardrails are detachably installed in the two limiting pieces. Evenly distributed bolts are inserted into the guardrails, and positioning plates are fixedly installed on one side of the two fixing rods. Evenly distributed limiting buckles are fixedly installed on both sides of the two positioning plates. One end of the bolt surface passes through the guardrail and the limiting buckle and is threaded with a nut. The limiting of the two ends of the guardrail is completed by two adjacent limiting pieces of the two fixing rods. After the limiting is completed, with the cooperation of the limiting buckles installed on both sides of the positioning plates respectively installed on one side of the two fixing rods, the installation and fixation of the guardrail between the two adjacent fixing rods are completed by multiple sets of bolts and corresponding nuts. Through the above operations, the firmness of the guardrail after installation is increased, the performance of the guardrail is improved, and the possibility of vehicles hitting the guardrail and flying off the road is reduced.

[0008] Preferably, damping grooves are symmetrically provided on both sides of the positioning frame, and damping buckles are symmetrically installed on both sides of one end of the supporting leg, and the damping buckle is clamped in the damping groove. The supporting leg is limited and fixed by the cooperation of the two damping buckles installed on both sides of one end of the supporting leg and the damping grooves symmetrically provided on both sides of the positioning frame. A groove body is symmetrically provided on one side of the guardrail, and the bolts are slidably inserted in the groove body. The bolts are installed through the groove body symmetrically provided on one side of the guardrail to complete the fixation of the guardrail. A clamping slot is provided in the limiting piece, and one end of the guardrail is slidably clamped in the clamping slot. The limiting and fixing of both ends of the guardrail are completed by the clamping slot provided in the limiting piece. The ground spikes, ground columns and concrete base are all arranged under the ground. The ground spikes of the two supporting legs of the device, the ground columns installed at the bottom ends of the two fixing rods and the two concrete bases used to fix the fixing rods are all arranged under the ground.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. In the utility model, according to the position of the ground where the fixing rod is installed, a concrete base for fixing the fixing rod is poured under the corresponding ground, and the ground column installed at the bottom end of the fixing rod is poured into the concrete base to complete the primary fixation of the fixing rod. After the pouring is completed, the fixing rod is secondary fixed with the cooperation of the fixing strip and the positioning buckle. Finally, the installation of the supporting leg is completed through the positioning frame installed on one side of the fixing rod, and the installation and fixation of the supporting leg is completed through the evenly distributed ground spikes installed on the bottom surface of the supporting seat at the bottom end of the supporting leg, and the third fixation of the fixing rod is completed. Through the above operations, the strength of the two fixing rods when fixed is improved, thereby improving the strength of the guardrail after installation;

[0011] 2. In the utility model, by adopting the above technical scheme, the two ends of the guardrail are limited by two adjacent limit members of the two fixing rods. After the limitation is completed, the guardrail is installed and fixed between the two adjacent fixing rods by multiple sets of bolts and corresponding nuts with the cooperation of the limit buckles installed on both sides of the positioning plates installed on one side of the two fixing rods. Through the above operation, the firmness of the guardrail after installation is increased, the performance of the guardrail is improved, and the possibility of vehicles hitting the guardrail and flying out of the road is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the surface structure of the fixing rod of the utility model.

[0015] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0016] Figure 4 For this utility model Figure 2 Enlarged view of the structure at point B in the middle.

[0017] In the figure: 1. fixing rod; 11. positioning frame; 111. damping groove; 12. ground column; 13. fixing strip; 14. positioning buckle; 2. positioning plate; 21. limiting buckle; 3. limiting member; 31. slot; 4. guardrail; 41. slot body; 5. supporting leg; 51. damping buckle; 52. supporting seat; 53. ground spike; 6. bolt; 61. nut; 7. concrete base. DETAILED DESCRIPTION

[0018] 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.

[0019] Example: Figure 1-4 As shown, the utility model provides a high-strength connection device for highway guardrails, including a fixing rod 1, the number of the fixing rods 1 is two, one side of the two fixing rods 1 is fixedly installed with a positioning frame 11, the two positioning frames 11 are both detachably installed with support legs 5, the bottom ends of the support legs 5 are fixedly installed with support seats 52, the bottom surface of the support seats 52 is fixedly installed with evenly distributed ground spikes 53, the bottoms of the two fixing rods 1 are both provided with a concrete base 7, the bottom ends of the fixing rods 1 are fixedly installed with ground columns 12, the ground columns 12 are inserted into the concrete base 7, the ground columns 12 and the concrete base 7 cooperate with each other, the bottom ends of both sides of the fixing rods 1 are symmetrically installed with fixing strips 13, the two fixing strips 13 are symmetrically inserted with positioning buckles 14, the positioning buckles 14 penetrate the fixing strips 13 and two are inserted into the concrete base 7;

[0020] When it is necessary to install and fix the two fixing rods 1 for installing the guardrail 4, according to the position where the fixing rods 1 are installed on the ground, a concrete base 7 for fixing the fixing rods 1 is poured under the corresponding ground, and the ground column 12 installed at the bottom end of the fixing rod 1 is poured into the concrete base 7 to complete the primary fixation of the fixing rod 1. After the pouring is completed, with the cooperation of the fixing strip 13 and the positioning buckle 14, the secondary fixation of the fixing rod 1 is completed, and finally the installation of the supporting leg 5 is completed by the positioning frame 11 installed on one side of the fixing rod 1, and the installation and fixation of the supporting leg 5 is completed by the evenly distributed ground spikes 53 installed on the bottom surface of the supporting seat 52 at the bottom end of the supporting leg 5. Through the above operations, the installation and fixation of the two fixing rods 1 are completed, the strength of the two fixing rods 1 is improved, and thus the strength of the guardrail 4 after installation is improved.

[0021] A limiting member 3 is symmetrically installed on one side of the two fixing rods 1, and a guardrail 4 is detachably installed in the two limiting members 3. Evenly distributed bolts 6 are inserted into the guardrail 4. A positioning plate 2 is fixedly installed on one side of the two fixing rods 1. Evenly distributed limiting buckles 21 are fixedly installed on both sides of the two positioning plates 2. One end of the surface of the bolt 6 passes through the guardrail 4 and the limiting buckle 21 and is threadedly sleeved with a nut 61;

[0022] By adopting the above technical solution, the two ends of the guardrail 4 are limited by the two adjacent limit members 3 of the two fixing rods 1. After the limitation is completed, with the cooperation of the limit buckles 21 installed on both sides of the positioning plates 2 installed on one side of the two fixing rods 1, the guardrail 4 is installed and fixed between the two adjacent fixing rods 1 through multiple sets of bolts 6 and corresponding nuts 61. Through the above operation, the firmness of the guardrail 4 after installation is increased, the performance of the guardrail 4 is improved, and the possibility of a vehicle hitting the guardrail 4 and flying off the road is reduced.

[0023] Damping grooves 111 are symmetrically provided on both sides of the positioning frame 11, and damping buckles 51 are symmetrically installed on both sides of one end of the supporting leg 5, and the damping buckle 51 is dampingly clamped in the damping groove 111;

[0024] By adopting the above technical solution, the support leg 5 is limited and fixed by the cooperation of the two damping buckles 51 installed on both sides of one end of the support leg 5 and the damping grooves 111 symmetrically opened on both sides of the positioning frame 11.

[0025] A groove 41 is symmetrically formed on one side of the guardrail 4, and the bolt 6 is slidably inserted into the groove 41;

[0026] By adopting the above technical solution, the bolts 6 are installed through the grooves 41 symmetrically opened on one side of the guardrail 4 to complete the fixing of the guardrail 4.

[0027] A slot 31 is provided in the limiter 3, and one end of the guardrail 4 is slidably secured in the slot 31;

[0028] By adopting the above technical solution, the two ends of the guardrail 4 are limited and fixed by the clamping grooves 31 provided in the limiting member 3 .

[0029] The ground spikes 53, the ground posts 12 and the concrete base 7 are all arranged under the ground;

[0030] By adopting the above technical solution, the ground spikes 53 of the two supporting legs 5 of the device, the ground posts 12 installed at the bottom ends of the two fixing rods 1 and the two concrete bases 7 for fixing the fixing rods 1 are all arranged under the ground.

[0031] Working principle: when it is necessary to install and fix the two fixing rods 1 for installing the guardrail 4, according to the position where the fixing rod 1 is installed on the ground, a concrete base 7 for fixing the fixing rod 1 is poured under the corresponding ground, and the ground column 12 installed at the bottom end of the fixing rod 1 is poured into the concrete base 7 to complete the primary fixation of the fixing rod 1. After the pouring is completed, the fixing rod 1 is secondary fixed with the cooperation of the fixing strip 13 and the positioning buckle 14. Finally, the installation of the support leg 5 is completed through the positioning frame 11 installed on one side of the fixing rod 1, and the installation and fixation of the support leg 5 is completed through the evenly distributed ground spikes 53 installed on the bottom surface of the support seat 52 at the bottom end of the supporting leg 5, and the tertiary fixation of the fixing rod 1 is completed;

[0032] The two ends of the guardrail 4 are limited by two adjacent limit members 3 of the two fixing rods 1. After the limiting is completed, with the cooperation of the limit buckles 21 installed on both sides of the positioning plates 2 installed on one side of the two fixing rods 1, the guardrail 4 is installed and fixed between the two adjacent fixing rods 1 through multiple sets of bolts 6 and corresponding nuts 61. Through the above operation, the firmness of the guardrail 4 after installation is increased, and the performance of the guardrail 4 is improved.

[0033] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A high-strength connection device for highway guardrails, comprising a fixing rod (1), characterized in that: There are two fixing rods (1), one side of each of the two fixing rods (1) is fixedly mounted with a positioning frame (11), and each of the two positioning frames (11) is detachably mounted with a supporting leg (5), a supporting seat (52) is fixedly mounted at the bottom end of the supporting leg (5), and evenly distributed ground spikes (53) are fixedly mounted on the bottom surface of the supporting seat (52); The bottoms of the two fixing rods (1) are both provided with a concrete base (7), the bottom ends of the fixing rods (1) are fixedly provided with a ground column (12), the ground column (12) is inserted into the concrete base (7), the ground column (12) and the concrete base (7) cooperate with each other, the bottom ends of both sides of the fixing rods (1) are symmetrically provided with fixing strips (13), the two fixing strips (13) are both symmetrically inserted with positioning buckles (14), the positioning buckles (14) penetrate the fixing strips (13) and are both inserted into the concrete base (7).

2. A high-strength connection device for highway guardrails as claimed in claim 1, characterized in that: A limiting member (3) is symmetrically installed on one side of the two fixing rods (1), a guardrail (4) is detachably installed in the two limiting members (3), and bolts (6) are evenly distributed inserted in the guardrail (4). A positioning plate (2) is fixedly installed on one side of the two fixing rods (1), and limiting buckles (21) are evenly distributed fixedly installed on both sides of the two positioning plates (2), and one end of the surface of the bolt (6) passes through the guardrail (4) and the limiting buckle (21) and is threadedly sleeved with a nut (61).

3. A high-strength connection device for highway guardrails as claimed in claim 1, characterized in that: Damping grooves (111) are symmetrically provided on both sides of the positioning frame (11), and damping buckles (51) are symmetrically installed on both sides of one end of the supporting leg (5), and the damping buckle (51) is dampingly clamped in the damping groove (111).

4. A high-strength connection device for highway guardrails as claimed in claim 2, characterized in that: A groove body (41) is symmetrically provided on one side of the guardrail (4), and the bolt (6) is slidably inserted into the groove body (41).

5. A high-strength connection device for highway guardrails as claimed in claim 2, characterized in that: A slot (31) is provided in the limiting member (3), and one end of the guardrail (4) is slidably engaged in the slot (31).

6. A high-strength connection device for highway guardrails as claimed in claim 1, characterized in that: The ground spikes (53), ground pillars (12) and concrete base (7) are all arranged under the ground.

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