Anti-collision guardrail for highway bridges

Abstract

The application discloses an anti-collision guardrail for highway bridges and relates to the technical field of guardrails. The anti-collision guardrail for highway bridges comprises a stand column, a mounting seat fixedly installed on the stand column, an extrusion block penetrating through the mounting seat, a guardrail fixedly installed on the outer wall of the extrusion block, an energy absorption mechanism arranged on the inner wall of the mounting seat, a horizontal plate slidingly connected to the inner wall of the stand column, a limiting mechanism arranged in the stand column, a mounting rod fixedly installed on the inner wall of the stand column and a transmission mechanism arranged in the stand column. The anti-collision guardrail for highway bridges can buffer the impact force through the arrangement of the energy absorption mechanism. When a car collides with the guardrail, the end of the supporting rod is extruded by the left movement of the hinged block, the return spring is compressed, the impact force is partially absorbed through the compression process of the return spring, and the damage of the guardrail caused by excessively large impact force is prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of guardrails, in particular to an anti-collision guardrail for highway bridges. BACKGROUND

[0002] At present, a large number of elevated bridges are built in cities, and reinforced concrete anti-collision guardrails are used on both sides of the bridges. The purpose is to prevent out-of-control vehicles from going off the bridge, and to have the function of preventing vehicles from breaking through, underpassing, and jumping over the bridge, as well as beautifying the bridge construction. The selection of the form of the bridge guardrail should first determine the anti-collision level according to the road grade, and comprehensively consider factors such as safety, coordination, characteristics of the protected object, and on-site geometric conditions. Then, according to the structure itself, economy, and construction and maintenance and repair factors, the selection of the construction form is made. The embedding method has three types: direct embedding of the column, flange connection, and pouring the bridge guardrail and the bridge deck into one body through the transmission reinforcement.

[0003] In the prior art, the existing guardrails generally have guardrails fixedly installed on the columns. When the guardrails are hit by vehicles, they cannot buffer the impact force, which may cause the guardrails to be directly bent and damaged. The column is only embedded in the soil, and may collapse when hit, thereby causing more accidents. In view of this, an anti-collision guardrail for highway bridges is proposed. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an anti-collision guardrail for highway bridges, which solves the problems mentioned in the background art.

[0005] To achieve the above purpose, the following technical scheme is adopted: an anti-collision guardrail for highway bridges, comprising a column, a mounting seat fixedly installed on the column, an extrusion block penetrating through the inside of the mounting seat, a guardrail fixedly installed on the outer wall of the extrusion block, an energy absorption mechanism arranged on the inner wall of the mounting seat, a horizontal plate slidingly connected to the inner wall of the column, a limiting mechanism arranged in the inside of the column, a mounting rod fixedly installed on the inner wall of the column, a transmission mechanism arranged in the inside of the column, a fixed plate fixedly installed on the inner wall of the column, the bottom wall of the horizontal plate is fixedly connected with one end of a connecting rod, the other end of the connecting rod is fixedly connected with a sliding plate, the sliding plate is slidingly connected with the inner wall of the column, the bottom wall of the sliding plate is fixedly connected with one end of a bearing spring, the other end of the bearing spring is fixedly connected with a bearing plate, the bearing plate is fixedly installed on the inner wall of the column, and the energy absorption mechanism comprises:

[0006] a fixed frame fixedly installed on the inner wall of the mounting seat;

[0007] a vertical rod fixedly installed on the inner wall of the fixed frame;

[0008] A reset spring is sleeved on the outer wall of the vertical rod, one end of the reset spring is fixedly connected with the inner wall of the fixed frame, and the other end of the reset spring is fixedly connected with the outer wall of the sliding block.

[0009] Preferably, the sliding block is in sliding connection with the outer wall of the vertical rod, the sliding block is hingedly connected with one end of the supporting rod, one end of the supporting rod is hingedly connected with the hinge block, and the hinge block is fixedly installed on the outer wall of the extrusion block.

[0010] Preferably, the limiting mechanism comprises a fixing rod, and the fixing rod is fixedly installed on the bottom wall of the horizontal plate.

[0011] Preferably, the fixing rod is hingedly connected with the hinge rod, one end of the hinge rod is fixedly connected with the elastic rod, and the other end of the elastic rod is fixedly connected with the outer wall of the fixing rod.

[0012] Preferably, a limiting plate is fixedly installed on the inner wall of the stand column, the limiting plate is located below the fixing rod, a slanted plate is in sliding connection with the inner wall of the stand column, the bottom wall of the slanted plate is fixedly connected with one end of the compression spring, the other end of the compression spring is fixedly connected with a mounting plate, and the mounting plate is fixedly installed on the inner wall of the stand column.

[0013] Preferably, the transmission mechanism comprises a mounting bracket, and the mounting bracket is fixedly installed on the outer wall of the mounting rod.

[0014] Preferably, the inner wall of the mounting bracket is fixedly connected with one end of the short rod, the other end of the short rod is in rotary connection with the cylindrical slide groove, the cylindrical slide groove is provided with a slide groove, a sliding rod is in sliding connection with the cylindrical slide groove, and the sliding rod is fixedly installed on the bottom wall of the sliding plate.

[0015] Preferably, the cylindrical slide groove is fixedly connected with one end of the rotating rod, and the other end of the rotating rod is fixedly connected with a gear.

[0016] Preferably, the gear is in meshing connection with a rack, the bottom wall of the rack is fixedly installed with a plug rod, and the plug rod is in sliding connection with the outer wall of the fixed plate.

[0017] The application provides an anti-collision highway bridge guardrail.

[0018] (1) The anti-collision highway bridge guardrail can buffer the impact force through the setting of the energy absorption mechanism, the end of the supporting rod is extruded by the hinge block moving to the left when the car hits the guardrail, the reset spring is compressed, and finally the impact force is partially absorbed through the compression process of the reset spring, thereby preventing the guardrail from being damaged due to excessive impact force.

[0019] (2), the anti-collision highway bridge guardrail through the setting of transmission mechanism can make the plug-in rod transversely inserted into the soil, through the slide rod on the cylinder slide groove downward sliding makes the cylinder slide groove rotation, finally makes the plug-in rod to the right motion out of the inside of the column transversely inserted into the soil, makes the column installation more stable.

[0020] (3), the anti-collision highway bridge guardrail through the setting of limiting mechanism can make the plug-in rod fixedly inserted into the soil, through pressing the horizontal plate once downward makes the articulated rod clamped below the limiting plate, makes the plug-in rod stably inserted into the soil transversely and supports, again through pressing the horizontal plate once downward makes the limiting be released, facilitates the staff to the disassembly of the column. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole front view structure schematic diagram of the application;

[0022] Figure 2 It is the whole side view structure schematic diagram of the application;

[0023] Figure 3 It is the whole front view structure schematic diagram of the application; Figure 2

[0024] Figure 4 It is the whole front view structure schematic diagram of the application; Figure 2

[0025] Figure 5 It is the whole front view structure schematic diagram of the application; Figure 4

[0026] In the drawing: 1, column;2, mounting seat;3, extrusion block;4, guardrail;5, energy absorption mechanism;51, fixed frame;52, vertical rod;53, reset spring;54, sliding block;55, support rod;56, articulated block;6, horizontal plate;7, limiting mechanism;71, fixed rod;72, articulated rod;73, elastic rod;74, limiting plate;75, inclined plate;76, compression spring;77, mounting plate;8, mounting rod;9, transmission mechanism;91, mounting frame;92, short rod;93, cylinder slide groove;94, slide rod;95, rotating rod;96, gear;97, rack;98, plug-in rod;10, fixed plate;11, connecting rod;12, slide plate;13, bearing spring;14, bearing plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.​​​

[0028] Please refer to Figures 1-5 The application provides a technical scheme: an anti-collision guardrail for highway bridges, which comprises a stand 1, an installation seat 2 fixedly installed on the stand 1, an extrusion block 3 penetrating through the inside of the installation seat 2, a guardrail 4 fixedly installed on the outer wall of the extrusion block 3, an energy absorption mechanism 5 arranged on the inner wall of the installation seat 2, a horizontal plate 6 slidingly connected to the inner wall of the stand 1, a limiting mechanism 7 arranged in the inside of the stand 1, an installation rod 8 fixedly installed on the inner wall of the stand 1, a transmission mechanism 9 arranged in the inside of the stand 1, a fixed plate 10 fixedly installed on the inner wall of the stand 1, a connecting rod 11 fixedly connected to the bottom wall of the horizontal plate 6, a sliding plate 12 fixedly connected to the other end of the connecting rod 11, the sliding plate 12 slidingly connected to the inner wall of the stand 1, a bearing spring 13 fixedly connected to the bottom wall of the sliding plate 12, the sliding plate 12 upwardly moving for resetting through the elastic force of the bearing spring 13, and a bearing plate 14 fixedly connected to the other end of the bearing spring 13 and fixedly installed on the inner wall of the stand 1.

[0029] In the embodiment, the energy absorption mechanism 5 is arranged on the inner wall of the installation seat 2, the impact force can be buffered through the arrangement of the energy absorption mechanism 5, when a car collides with the guardrail 4, the end of the supporting rod 55 is extruded through the left movement of the hinged block 56, the reset spring 53 is compressed, finally the impact force is partially absorbed through the compression process of the reset spring 53, and the impact force is prevented from being too large to damage the guardrail 4.

[0030] In the embodiment, the limiting mechanism 7 is arranged in the inside of the stand 1, the insertion rod 98 is fixedly inserted into the soil through the arrangement of the limiting mechanism 7, the hinged rod 72 is clamped below the limiting plate 74 through the downward pressing of the horizontal plate 6 once, the insertion rod 98 is stably transversely inserted into the soil for support, the limiting is released through the downward pressing of the horizontal plate 6 once, and the stand 1 is convenient for workers to disassemble.

[0031] In the embodiment, the transmission mechanism 9 is arranged in the inside of the stand 1, the insertion rod 98 is transversely inserted into the soil through the arrangement of the transmission mechanism 9, the cylindrical sliding groove 93 is rotated through the downward sliding of the sliding rod 94 on the cylindrical sliding groove 93, finally the insertion rod 98 moves rightward out of the inside of the stand 1 and is transversely inserted into the soil, and the stand 1 is more stable in installation.

[0032] The energy absorbing mechanism 5 comprises a fixed frame 51 fixedly installed on the inner wall of the mounting seat 2, a vertical rod 52 fixedly installed on the inner wall of the fixed frame 51, a reset spring 53 sleeved on the outer wall of the vertical rod 52, one end of the reset spring 53 fixedly connected with the inner wall of the fixed frame 51, the other end of the reset spring 53 fixedly connected with the outer wall of the sliding block 54, the reset spring 53 absorbs energy in the compression process, so that part of the impact force of the automobile impacting the guardrail 4 is absorbed, thereby preventing the guardrail 4 from being damaged due to excessive impact force, the sliding block 54 is in sliding connection with the outer wall of the vertical rod 52, the sliding block 54 is hingedly connected with one end of the supporting rod 55, one end of the supporting rod 55 is hingedly connected with the hinge block 56, the hinge block 56 is fixedly installed on the outer wall of the extrusion block 3, and the hinge block 56 moves to the left to extrude the end portion of the supporting rod 55, so that the two sliding blocks 54 move in opposite directions to compress the reset spring 53.

[0033] The limiting mechanism 7 comprises a fixed rod 71 fixedly installed on the bottom wall of the horizontal plate 6, the fixed rod 71 is hingedly connected with the hinge rod 72, the hinge rod 72 is hingedly connected with the fixed rod 71, the hinge rod 72 moves downward to below the limiting plate 74 to be limitedly clamped, so that the insertion rod 98 is stably inserted into the soil to support, one end of the elastic rod 73 is fixedly connected with the hinge rod 72, the other end of the elastic rod 73 is fixedly connected with the outer wall of the fixed rod 71, the limiting plate 74 is fixedly installed on the inner wall of the stand column 1 and located below the fixed rod 71, the inclined plate 75 is in sliding connection with the inner wall of the stand column 1, the inclined surface on the inner wall of the inclined plate 75 extrudes the hinge rod 72 to release the limitation, so that the guardrail 4 is conveniently disassembled, one end of the compression spring 76 is fixedly connected with the bottom wall of the inclined plate 75, the other end of the compression spring 76 is fixedly connected with the mounting plate 77, and the mounting plate 77 is fixedly installed on the inner wall of the stand column 1.

[0034] The transmission mechanism 9 comprises a mounting frame 91 fixedly installed on the outer wall of the mounting rod 8, an inner wall of the mounting frame 91 is fixedly connected with one end of a short rod 92, the other end of the short rod 92 is rotationally connected with a cylindrical sliding groove 93, the cylindrical sliding groove 93 is provided with a sliding groove, a sliding rod 94 is slidably connected on the cylindrical sliding groove 93, the sliding rod 94 is fixedly installed on the bottom wall of the sliding plate 12, the sliding rod 94 is driven to move downwardly by pushing the horizontal plate 6, the cylindrical sliding groove 93 is fixedly connected with one end of a rotating rod 95, the other end of the rotating rod 95 is fixedly connected with a gear 96, the gear 96 is driven to rotate by the cylindrical sliding groove 93, the gear 96 is engaged with a rack 97, the rack 97 is fixedly installed with a plug rod 98 on the bottom wall, the plug rod 98 is slidably connected with the outer wall of the fixed plate 10, the rack 97 is driven to insert the plug rod 98 into the soil transversely by the engagement between the gear 96 and the rack 97, so that the stand 1 is installed more stably.

[0035] When working (or using), when installing the guardrail 4, the stand column 1 is inserted into the soil by pushing downward, and after the stand column 1 is inserted to a certain depth, the slide rod 94 is driven to move downward by pushing the horizontal plate 6, and then the cylindrical slide groove 93 is rotated by the slide rod 94 sliding downward on the cylindrical slide groove 93, and then the gear 96 fixedly connected with the rotating rod 95 is rotated by the cylindrical slide groove 93, and the rack 97 is driven to slide rightward on the outer wall of the fixed plate 10 by the meshing between the gear 96 and the rack 97, and then the insertion rod 98 moves rightward out of the inside of the stand column 1 and is inserted into the soil transversely, so that the stand column 1 is installed more stably, and at the same time, the hinge rod 72 hingedly connected with the fixed rod 71 is extruded to rotate by the horizontal plate 6 driving the fixed rod 71 to move downward and being extruded by the limiting plate 74, so that the limiting is released and the hinge rod 72 moves to the lower side of the limiting plate 74 and is limited by the limiting clamping, and then the insertion rod 98 is stably inserted into the soil to support, when the car hits the guardrail 4, the guardrail 4 drives the extrusion block 3 to move rightward to extrude the hinge block 56, and then the hinge block 56 moves leftward to extrude the end of the supporting rod 55, and the two slide blocks 54 are driven to move away from each other by the hinge between the supporting rod 55 and the slide block 54, and the return spring 53 is compressed in the process of absorbing energy, so that part of the impact force of the car hitting the guardrail 4 is absorbed, and then it is prevented that the impact force is too large to damage the guardrail 4, when the stand column 1 needs to be disassembled, the horizontal plate 6 is pushed downward again, and then the hinge rod 72 is driven to move to the lower side of the inclined plate 75 by the fixed rod 71, at this time the slide plate 12 is driven to move upward by the elastic force of the bearing spring 13, finally the horizontal plate 6 drives the fixed rod 71 to move upward, the fixed rod 71 drives the hinge rod 72 to move upward to extrude the inclined plate 75, and then the inclined plate 75 slides upward to be attached to the bottom wall of the limiting plate 74, finally the hinge rod 72 is extruded by the inclined surface on the inner wall of the inclined plate 75, so that the hinge rod 72 is contracted in the vertical direction of the fixed rod 71 to release the limiting, finally the hinge rod 72 moves to the upper side of the inclined plate 75 and the limiting plate 74 to release the limiting, and then the insertion rod 98 moves leftward into the inside of the stand column 1 to reset, and then the guardrail 4 is disassembled by pulling the stand column 1 upward.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A collision-resistant guardrail for highway bridges, comprising a post (1), wherein a mounting base (2) is fixedly installed on the post (1), and a compression block (3) penetrates the interior of the mounting base (2), characterized in that: A guardrail (4) is fixedly installed on the outer wall of the extrusion block (3). An energy-absorbing mechanism (5) is provided on the inner wall of the mounting base (2). A horizontal plate (6) is slidably connected to the inner wall of the column (1). A limit mechanism (7) is provided inside the column (1). An installation rod (8) is fixedly installed on the inner wall of the column (1). A transmission mechanism (9) is provided inside the column (1). A fixing plate (10) is fixedly installed on the inner wall of the column (1). The bottom wall of the horizontal plate (6) is fixedly connected to one end of the connecting rod (11). A sliding plate (12) is fixedly connected to the other end of the connecting rod (11). The sliding plate (12) is slidably connected to the inner wall of the column (1). The bottom wall of the sliding plate (12) is fixedly connected to one end of the bearing spring (13). A bearing plate (14) is fixedly connected to the other end of the bearing spring (13). The bearing plate (14) is fixedly installed on the inner wall of the column (1). The energy-absorbing mechanism (5) includes: A fixed frame (51) is fixedly installed on the inner wall of the mounting base (2); A vertical rod (52) is fixedly installed on the inner wall of the fixed frame (51); A reset spring (53) is sleeved on the outer wall of the vertical rod (52). One end of the reset spring (53) is fixedly connected to the inner wall of the fixed frame (51), and the other end of the reset spring (53) is fixedly connected to the outer wall of the slider (54). The limiting mechanism (7) includes a fixed rod (71), which is fixedly installed on the bottom wall of the horizontal plate (6); the fixed rod (71) is hinged to the hinge rod (72), the hinge rod (72) is fixedly connected to one end of the elastic rod (73), and the other end of the elastic rod (73) is fixedly connected to the outer wall of the fixed rod (71); a limiting plate (74) is fixedly installed on the inner wall of the column (1), the limiting plate (74) is located below the fixed rod (71), an inclined plate (75) is slidably connected on the inner wall of the column (1), the bottom wall of the inclined plate (75) is fixedly connected to one end of the compression spring (76), and an mounting plate (77) is fixedly connected to the other end of the compression spring (76), the mounting plate (77) is fixedly installed on the inner wall of the column (1).

2. The impact-resistant guardrail for highway bridges according to claim 1, characterized in that: The slider (54) is slidably connected to the outer wall of the vertical rod (52), the slider (54) is hinged to one end of the support rod (55), one end of the support rod (55) is hinged to the hinge block (56), and the hinge block (56) is fixedly installed on the outer wall of the extrusion block (3).

3. The impact-resistant guardrail for highway bridges according to claim 1, characterized in that: The transmission mechanism (9) includes a mounting bracket (91), which is fixedly mounted on the outer wall of the mounting rod (8).

4. The impact-resistant guardrail for highway bridges according to claim 3, characterized in that: The inner wall of the mounting bracket (91) is fixedly connected to one end of the short rod (92), and the other end of the short rod (92) is rotatably connected to the cylindrical slide groove (93). The cylindrical slide groove (93) has a slide groove, and a slide rod (94) is slidably connected to the cylindrical slide groove (93). The slide rod (94) is fixedly installed on the bottom wall of the slide plate (12).

5. The impact-resistant guardrail for highway bridges according to claim 4, characterized in that: The cylindrical slide (93) is fixedly connected to one end of the rotating rod (95), and a gear (96) is fixedly connected to the other end of the rotating rod (95).

6. The impact-resistant guardrail for highway bridges according to claim 5, characterized in that: The gear (96) meshes with the rack (97), and a rod (98) is fixedly installed on the bottom wall of the rack (97). The rod (98) is slidably connected to the outer wall of the fixing plate (10).

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