Modular bridge guardrail connection mechanism

Abstract

The utility model relates to connecting mechanism field discloses a kind of modularization bridge guardrail connecting mechanism, including guardrail frame, the top inner wall of guardrail frame is fixedly connected with cross bar, the both ends of cross bar are fixedly connected with snap ring, the bottom end of snap ring outer wall is clamped with lower ring, the top outer side of lower ring is hinged with upper ring, the bottom of lower ring is equipped with sliding slot, the sliding slot inner wall is slidably connected with push rod, the top of push rod is fixedly connected with clamping block.In the utility model, by setting snap ring, lower ring, upper ring, clamping block, bolt, thread groove, clamping groove, when installing and connecting guardrail, by hand, upper ring and lower ring are clamped to the snap ring on the end of two groups of cross bar, then manually move push rod and drive clamping block to be clamped into clamping groove, and then manually rotate bolt and clamp into thread groove, so that upper ring and lower ring are stably connected between two groups of cross bar, to reach the effect of quick splicing installation.

Description

Technical Field

[0001] This utility model relates to the field of connection mechanisms, and in particular to a modular bridge railing connection mechanism. Background Technology

[0002] As an important transportation infrastructure, the safety of bridges has always been a major concern. With the increase in traffic volume and vehicle speed, higher requirements have been placed on the safety performance of bridge railings. Therefore, developing a bridge railing that is easy to install and maintain and has good safety performance has become an urgent need in the industry.

[0003] Existing bridge railings are usually installed by on-site casting or welding. They are then lifted by multiple people or with mechanical assistance to keep them level, and finally fixed by manual welding or bolts.

[0004] However, existing welding or bolting installation methods not only have long construction cycles but also have high requirements for the on-site working environment, making it impossible to quickly install and fix the guardrails, which leads to increased labor costs. Therefore, a modular bridge guardrail connection mechanism is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a modular bridge railing connection mechanism, which aims to improve the problem of the inability to quickly install and fix railings in the prior art.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a modular bridge railing connection mechanism, including a railing frame, a horizontal bar fixedly connected to the inner wall of the top of the railing frame, a retaining ring fixedly connected to both ends of the horizontal bar, a lower collar engaged at the bottom of the outer wall of the retaining ring, an upper collar hinged to the outer side of the top of the lower collar, a sliding groove provided at the bottom of the lower collar, a lever slidably connected to the inner wall of the sliding groove, a locking block fixedly connected to the top of the lever, a bolt threadedly connected to the bottom of the lower collar, a threaded groove provided at the bottom of the locking block, and a locking groove provided at the bottom of the upper collar.

[0007] As a further description of the above technical solution: An extension frame is engaged with the inner wall of the left end of the lower collar. A warning window is provided on the outer wall of the extension frame. A warning ring is rotatably connected to the inner wall of the extension frame. A sliding rod is fixedly connected to the outer wall end of the warning ring.

[0008] As a further description of the above technical solution: The middle end of the upper collar is engaged with the outer wall of the retaining ring.

[0009] As a further description of the above technical solution: The locking block is slidably connected to the inner wall of the lower collar, and the locking block is engaged with the inner wall of the slot.

[0010] As a further description of the above technical solution: The bolt is threaded onto the inner wall of the threaded groove.

[0011] As a further description of the above technical solution: The slide bar is slidably connected to the inner wall of the end of the extension frame.

[0012] This utility model has the following beneficial effects: 1. In this utility model, by setting a retaining ring, a lower collar, an upper collar, a retaining block, a bolt, a threaded groove, and a retaining groove, when installing and connecting the guardrail, the upper collar and the lower collar are manually engaged with the retaining rings at the ends of the two sets of crossbars. Then, the lever is manually moved to drive the retaining block to engage with the retaining groove. Finally, the bolt is manually rotated to engage with the threaded groove, so that the upper collar and the lower collar are stably connected between the two sets of crossbars, achieving the effect of rapid splicing and installation.

[0013] 2. In this utility model, by setting an extension frame, a warning window, a warning ring, and a sliding rod, when special warnings are needed during bridge construction or maintenance, the sliding rod is manually slid along the outer end of the extension frame, which drives the warning ring to rotate, thereby rotating the warning slogan on the outer wall of the warning ring to the warning window, thus achieving the warning effect. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of a modular bridge railing connection mechanism proposed in this utility model; Figure 2 This is a three-dimensional cross-sectional view of the lower collar of a modular bridge railing connection mechanism proposed in this utility model. Figure 3 This is a three-dimensional schematic diagram of the bottom of the lower collar of a modular bridge railing connection mechanism proposed in this utility model; Figure 4 This utility model proposes a modular bridge railing connection mechanism. Figure 2 Enlarged 3D diagram of part A; Figure 5 A three-dimensional schematic diagram of the extension frame distribution of a modular bridge railing connection mechanism proposed in this utility model; Figure 6 This is a three-dimensional schematic diagram of a warning ring for a modular bridge railing connection mechanism proposed in this utility model.

[0015] Legend: 1. Guardrail frame; 2. Crossbar; 3. Clamping ring; 4. Lower collar; 5. Upper collar; 6. Slide groove; 7. Lever; 8. Locking block; 9. Bolt; 10. Threaded groove; 11. Slot; 12. Extension frame; 13. Warning window; 14. Warning ring; 15. Slide bar. Detailed Implementation

[0016] 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.

[0017] Reference Figures 1-3 This utility model provides an embodiment of a modular bridge railing connection mechanism, including a railing frame 1. The railing frame 1 is a support frame installed on the side of the bridge to raise the crossbar 2 for protection. The top inner wall of the railing frame 1 is fixedly connected to the crossbar 2. The crossbar 2 is provided with two sets, upper and lower, to improve the protection effect and provide protection for the low part. Both ends of the crossbar 2 are fixedly connected with retaining rings 3. The retaining rings 3 are used to engage the lower collar 4 and the upper collar 5 to achieve a docking effect. The bottom of the outer wall of the retaining ring 3 is engaged with the lower collar 4. The middle of the lower collar 4 is provided with a groove to engage the two sets of retaining rings 3 to improve the connection stability. The top outer side of the lower collar 4 is hinged with the upper collar 5. The middle of the upper collar 5 is provided with the same groove as the lower collar 4 to cooperate with the lower collar 4 to engage the two sets of retaining rings 3. The middle of the upper collar 5 is engaged with the outer wall of the retaining ring 3.

[0018] Reference Figures 3-5 The lower collar 4 has a groove 6 at its bottom, and a protective frame is provided on the outside of the groove 6 to prevent rainwater from entering. A lever 7 is slidably connected to the inner wall of the groove 6. The lever 7 is used to extend the locking block 8, which is convenient for external movement to release the locking block 8. The locking block 8 is fixedly connected to the top of the lever 7. The locking block 8 is arc-shaped and is used to engage with the locking groove 11 to limit the rotation of the upper collar 5. The bottom of the lower collar 4 is threadedly connected to a bolt 9. The bolt 9 is used to connect with the threaded groove 10 to restrict the movement of the locking block 8. A ring frame is provided on the outside to prevent rainwater from entering and causing rust. The bottom of the locking block 8 has a threaded groove 10. The threaded groove 10 is used to connect with the bolt 9 to restrict the upper collar 5 and the lower collar 4 from unfolding. The bottom end of the upper collar 5 has a locking groove 11. The locking groove 11 is used to engage with the locking block 8 to close the lower collar 4 and the upper collar 5. The locking block 8 is slidably connected to the inner wall of the lower collar 4 and engages with the inner wall of the locking groove 11. The bolt 9 is threadedly connected to the inner wall of the threaded groove 10.

[0019] Reference Figures 5-6An extension frame 12 is snapped onto the inner wall of the left end of the lower collar 4. The end of the extension frame 12 is provided with a ring block with a larger outer diameter, which is used to snap onto the inner wall of the outer end of the lower collar 4 and the upper collar 5, so that the extension frame 12 is connected to the ends of the lower collar 4 and the upper collar 5. A warning window 13 is opened on the outer wall of the extension frame 12. The warning window 13 is used to display a single warning sign. A warning ring 14 is rotatably connected to the inner wall of the extension frame 12. Four different warning signs are set on the outer wall of the warning ring 14. The position of the warning ring 14 can be changed by the slide rod 15 to achieve the warning effect. The slide rod 15 is fixedly connected to the outer wall of the warning ring 14. The slide rod 15 is used to rotate the warning ring 14 externally to facilitate the replacement of different warning signs. The slide rod 15 is slidably connected to the inner wall of the end of the extension frame 12.

[0020] Working principle: When installing and connecting the guardrail, the upper collar 5 and the lower collar 4 are manually engaged with the retaining rings 3 at the ends of the two sets of crossbars 2. Then, the lever 7 is manually moved to drive the retaining block 8 to engage with the retaining groove 11. Finally, the bolt 9 is manually rotated to engage with the threaded groove 10, so that the upper collar 5 and the lower collar 4 are stably connected between the two sets of crossbars 2, achieving the effect of rapid splicing and installation and improving installation efficiency.

[0021] When special warnings are required during bridge construction or maintenance, the warning ring 14 is rotated by manually sliding the slide bar 15 along the outer end of the extension frame 12. This rotates the warning sign on the outer wall of the warning ring 14 to the warning window 13, achieving a warning effect and improving the safety of the bridge.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A modular bridge railing connection mechanism, comprising a railing frame (1), characterized in that: The guardrail frame (1) has a horizontal bar (2) fixedly connected to the inner wall of the top end. Both ends of the horizontal bar (2) are fixedly connected to retaining rings (3). The bottom of the outer wall of the retaining ring (3) is engaged with a lower collar (4). The outer side of the top of the lower collar (4) is hinged with an upper collar (5). The bottom of the lower collar (4) is provided with a sliding groove (6). The inner wall of the sliding groove (6) is slidably connected with a lever (7). The top of the lever (7) is fixedly connected with a retaining block (8). The bottom of the lower collar (4) is threaded with a bolt (9). The bottom of the retaining block (8) is provided with a threaded groove (10). The bottom of the upper collar (5) is provided with a retaining groove (11).

2. The modular bridge railing connection mechanism according to claim 1, characterized in that: The lower ring (4) has an extension frame (12) attached to the inner wall of its left end. The outer wall of the extension frame (12) has a warning window (13). The inner wall of the extension frame (12) is rotatably connected to a warning ring (14). The outer wall of the warning ring (14) is fixedly connected to a slide rod (15).

3. The modular bridge railing connection mechanism according to claim 1, characterized in that: The upper collar (5) is engaged at the middle end on the outer wall of the retaining ring (3).

4. The modular bridge railing connection mechanism according to claim 1, characterized in that: The card block (8) is slidably connected to the inner wall of the lower collar (4), and the card block (8) is engaged with the inner wall of the card slot (11).

5. A modular bridge railing connection mechanism according to claim 1, characterized in that: The bolt (9) is threaded onto the inner wall of the threaded groove (10).

6. A modular bridge railing connection mechanism according to claim 2, characterized in that: The slide bar (15) is slidably connected to the inner wall of the end of the extension frame (12).

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