Road protective fence

Abstract

The utility model relates to the technical field of road guardrails, and discloses a road guardrail which is characterized in that a movable shaft seat is connected to the center position of the end part of a connecting disc, a plurality of groups of rotating arc blocks are connected to the edge end of the connecting disc at equal angles in the circumferential direction of the connecting disc, an embedding rotating groove is formed in the connecting disc, and the rotating arc blocks are embedded into the embedding rotating groove. And a plurality of resistance rotating blocks are connected to the inner wall of the embedded rotating groove at equal angles, a limiting bearing seat is connected to the position, corresponding to the movable shaft seat, of the middle of the inner wall of the embedded rotating groove, and by means of staggered arrangement of the rotating arc blocks and the resistance rotating blocks, resistance borne by the rotating cylinder can drive the rotating arc blocks and the resistance rotating blocks to be pressed and deformed; according to the invention, the rotary drum is driven to rotate, so that collision force borne by the rotary drum is further buffered and diluted, rigid collision of the vehicle is converted into flexible collision, impact force of collision is reduced to the greatest extent, damage to the vehicle is reduced, meanwhile, the vehicle is conveniently and quickly guided to return to a road through stressed rotation of the rotary drum, and the safety of the vehicle is further protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of highway guardrails, in particular to a highway guardrail. BACKGROUND

[0002] The highway guardrail is installed on both sides of the highway, especially on high-risk sections such as curves, bridges and steep slopes, to prevent vehicles from leaving the road surface. It can effectively reduce the risk of safety accidents caused by out-of-control vehicles. The main functions of the highway guardrail include preventing derailment, reducing impact force, and guiding vehicles back to the road. During the construction process of the highway guardrail in hilly and plain areas, local geology, topography, climate and other factors must be considered. Therefore, the foundation of the highway guardrail in hilly and plain areas must be deeply embedded in stable strata to prevent displacement or tilting due to ground forces.

[0003] When the current highway guardrail is protecting, the collision between the vehicle and the guardrail is a rigid collision, which can easily intensify the damage of the vehicle when the guardrail cannot guide the vehicle, causing the vehicle to easily rush out of the guardrail under the action of inertial force, causing greater damage. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the utility model provides a highway guardrail, which solves the problem that the current highway guardrail is protecting, the collision between the vehicle and the guardrail is a rigid collision, which can easily intensify the damage of the vehicle when the guardrail cannot guide the vehicle, causing the vehicle to easily rush out of the guardrail under the action of inertial force, causing greater damage.

[0006] (II) Technical solutions

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a highway guardrail, comprising a mounting support, the mounting support is provided with multiple groups, and the bottom end of the multiple groups of mounting supports is uniformly provided with an anchor embedded rod plated with zinc on the surface, the top of the mounting support is symmetrically connected with two groups of adjacent guardrail supports, the top of the guardrail support is detachably connected with a guardrail crosspiece, the inner bottom of the guardrail crosspiece is provided with a bottom support frame at a position parallel to the guardrail crosspiece, the bottom of the guardrail crosspiece and the top of the bottom support frame are detachably connected with a plurality of groups of connecting blocks at equal intervals, the end of the connecting block is connected with a connecting turntable, the connecting block, the guardrail crosspiece and the bottom support frame are detachably connected through mounting ear plates respectively.

[0008] The inner side of the two connecting turntables between the guardrail cross frame and the bottom support frame is rotatably connected with a rotating drum, the end of the rotating drum is connected with a connecting disc, the central position of the end of the connecting disc is connected with a movable shaft seat, the edge end of the connecting disc is connected with a plurality of groups of rotating arc blocks along the circumferential direction at equal angles, the interior of the connecting turntable is provided with an embedded rotating groove, and a plurality of resistance rotating blocks are connected on the inner wall of the embedded rotating groove at equal angles, and the inner wall of the embedded rotating groove is connected with a limiting bearing seat at the middle part corresponding to the movable shaft seat;

[0009] The outer side of the rotating drum is tightly sleeved with a rubber sleeve, and the edge end of the rubber sleeve is uniformly provided with a buffer strip.

[0010] As a preferred technical scheme of the highway guardrail of the utility model, the mounting ear plate is connected with the edge part of the guardrail cross frame and the bottom support frame through screws respectively.

[0011] As a preferred technical scheme of the highway guardrail of the utility model, the connecting disc and the rotating arc block are connected in the embedded rotating groove, and the movable shaft seat is connected on the inner side of the limiting bearing seat.

[0012] As a preferred technical scheme of the highway guardrail of the utility model, the rotating arc block and the resistance rotating block are provided with plastic blocks in arc structures, and the arc bending directions of the rotating arc block and the resistance rotating block are opposite.

[0013] As a preferred technical scheme of the highway guardrail of the utility model, the interior of the guardrail support frame is provided with a matching key groove, the bottom end of the guardrail cross frame is connected with the matching key groove through the embedded connection between the inserted polygon and the matching key groove, the front bottom of the guardrail support frame is threadedly connected with a limiting bolt, the edge part of the inserted polygon is connected with a nut seat at the position corresponding to the limiting bolt, and the top end of the inserted polygon is provided with a rubber pad at the contact position with the guardrail support frame.

[0014] The interior of the inserted polygon is connected with a long screw rod penetrating along the vertical direction, the inner side bottom middle end of the guardrail support frame is provided with a threaded groove at the position corresponding to the long screw rod, and the top of the guardrail cross frame is provided with a sealing plug.

[0015] As a preferred technical scheme of the highway guardrail of the utility model, the inserted polygon and the matching key groove are gap matched, and the connecting angle between the two guardrail cross frames is adjusted by adjusting the angle of the inserted polygon.

[0016] As a preferred technical scheme of the highway guardrail of the utility model, the top of the guardrail cross frame is provided with an empty groove, the top of the long screw rod is located in the empty groove, and the sealing plug is filled in the empty groove.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a highway guardrail has the following beneficial effects:

[0019] 1, through the connecting block, the connecting turntable, the rotating drum, the connecting disc, the movable axle seat, the rotation arc block, the inlaying rotation groove, the resistance rotation block and the limit bearing seat, can with the rotating connection mode make the rotating drum can be connected in the inside of the guardrail conveniently detachable, so when traffic accident appears in the hilly plain area, can when the vehicle collides to the rotating drum, utilize the rubber cover and the buffer strip to carry out the preliminary buffering to the collision impact force of the vehicle,

[0020] Meanwhile when the rotating drum is correspondingly rotated under the collision force, utilize the staggered setting between the rotation arc block and the resistance rotation block, make the resistance that the rotating drum receives will drive the rotation arc block and the resistance rotation block to carry out the pressure deformation, thereby to further buffer the collision force that the rotating drum receives, convert the rigid collision of the vehicle into the flexible collision, thereby the impact force of the collision is reduced to the greatest extent, reduce the damage of the vehicle, and simultaneously through the stress rotation of the rotating drum, the vehicle is conveniently and quickly guided to return to the road, further protect the safety of the vehicle.

[0021] 2, through the fitting key groove and the inserted multi-prism, the cross rail and the guardrail support are conveniently and quickly butt jointed between the guardrail, the efficiency of the guardrail in the actual assembly process is improved, the fitting key groove and the inserted multi-prism are all multi-rib structures, by adjusting the insertion angle of the inserted multi-prism, the installation angle of the cross rail can be adjusted, so that when the guardrail is laid in the hilly plain area, the installation of the road bend is responded to by adjusting the installation angle of the inserted multi-prism, so that the guardrail is more convenient to install, and the rubber pad ensures the tightness of the indirect contact position.

[0022] Through the limiting bolt, the nut seat, the long screw rod and the screw groove, the position of the inserted multi-prism is conveniently limited in different directions, the stability between the cross rail and the guardrail support after connection is ensured, and the phenomenon of accidental loosening is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structural schematic diagram of the utility model.

[0024] Figure 2 It is the structural schematic diagram of the connecting disc of the utility model.

[0025] Figure 3 It is the structural schematic diagram of the connecting turntable of the utility model.

[0026] Figure 4 It is the structural schematic diagram of the inserted multi-prism of the utility model.

[0027] Figure 5 It is the structural schematic diagram of the long screw rod of the utility model.

[0028] In the figure: 1, mounting support; 2, anchor embedded rod; 3, guardrail support; 4, guardrail cross frame; 5, bottom support frame; 6, connecting block; 7, connecting turntable; 8, mounting ear plate; 9, rotating drum; 10, connecting disc; 11, movable shaft seat; 12, rotating arc block; 13, rubber sleeve; 14, buffer strip; 15, embedded rotating groove; 16, resistance rotating block; 17, limiting bearing seat; 18, matching key groove; 19, plug-in multi-prism; 20, limiting bolt; 21, nut seat; 22, rubber pad; 23, long screw rod; 24, threaded groove; 25, sealing plug. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the present application more clear and intelligible, the present application will be further described in detail below with the help of drawings and examples. However, it should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0030] In the description of the present application, it should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] In the description of the present application, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. The meaning of "several" is one or more, unless otherwise specifically limited.

[0032] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood in the specific meaning in the application according to specific circumstances. Embodiments

[0033] Please refer to Figures 1-5 The utility model provides the following technical scheme: a highway guardrail, including installation support 1, installation support 1 is provided with multiple groups, and the bottom of multiple groups installation support 1 is evenly provided with the anchor-embedded rod 2 of surface galvanization, the top of installation support 1 is connected with two groups of adjacent guardrail support 3 symmetrically, the inside bottom of guardrail crosspiece 4 is provided with bottom support frame 5 in the position opposite to guardrail crosspiece 4, the bottom of guardrail crosspiece 4 and the top of bottom support frame 5 are all detachably connected with several groups of connecting blocks 6 at equal intervals, the end of connecting block 6 is all connected with connecting turntable 7, connecting block 6 and guardrail crosspiece 4 and bottom support frame 5 are detachably connected through mounting lug plate 8 respectively, mounting lug plate 8 and the edge of guardrail crosspiece 4 and bottom support frame 5 are connected through screw respectively, so that the installation between mounting lug plate 8 and guardrail crosspiece 4 and bottom support frame 5 is more stable and convenient;

[0034] The inside of the two connecting turntables 7 between guardrail crosspiece 4 and bottom support frame 5 is rotatably connected with rotating drum 9, the end of rotating drum 9 is connected with connecting disc 10, the end center position of connecting disc 10 is connected with movable shaft seat 11, the edge end of connecting disc 10 is connected with several groups of rotating arc blocks 12 along the circumferential direction at equal angles, the inside of connecting turntable 7 is provided with embedded rotation groove 15, and a plurality of resistance rotating blocks 16 are connected at equal angles on the inner wall of embedded rotation groove 15, rotating arc block 12 and resistance rotating block 16 are all provided with plastic blocks of arc structure, the arc bending directions of rotating arc block 12 and resistance rotating block 16 are opposite, the staggered arrangement between rotating arc block 12 and resistance rotating block 16 makes the resistance received by rotating drum 9 drive rotating arc block 12 and resistance rotating block 16 to be compressed and deformed, realizes the buffering of collision force, the inner wall middle part of embedded rotation groove 15 is connected with limit bearing seat 17 at movable shaft seat 11, connecting disc 10 and rotating arc block 12 are connected in embedded rotation groove 15, movable shaft seat 11 is connected on the inside of limit bearing seat 17, rotating drum 9 can be conveniently detachably connected on the inside of guardrail in the form of rotating connection, so that rotating drum 9 can rotate when receiving collision force;

[0035] The outer side of the rotating drum 9 is tightly sleeved with a rubber sleeve 13, and the edge end of the rubber sleeve 13 is uniformly provided with a buffer strip 14.

[0036] The inside of the guardrail support 3 is provided with a matching key groove 18, the bottom end of the guardrail cross frame 4 is connected in a matching mode between the matching key groove 18 and a plug-in polygon 19, the front bottom of the guardrail support 3 is threadedly connected with a limiting bolt 20, the edge of the plug-in polygon 19 is connected with a nut seat 21 at the position corresponding to the limiting bolt 20, and the top end of the plug-in polygon 19 is provided with a rubber pad 22 at the position contacting the guardrail support 3.

[0037] The inside of the plug-in polygon 19 is connected with a long screw 23 in a penetrating mode along the vertical direction of the plug-in polygon 19, the inside bottom middle end of the guardrail support 3 is provided with a threaded groove 24 at the position corresponding to the long screw 23, the top of the guardrail cross frame 4 is plugged with a sealing plug 25 at the position corresponding to the long screw 23, the top of the guardrail cross frame 4 is provided with an empty groove, the top of the long screw 23 is located in the empty groove, and the sealing plug 25 is plugged in the empty groove, so that the long screw 23 is conveniently protected, and the rust phenomenon is avoided.

[0038] The plug-in polygon 19 and the matching key groove 18 are gap matched, and the connecting angle between the two guardrail cross frames 4 is adjusted by adjusting the angle of the plug-in polygon 19, and the installation of the highway curve is responded by adjusting the installation angle of the plug-in polygon 19, so that the guardrail is more convenient to install.

[0039] The working principle and use process of the utility model are as follows: when the guardrail is installed in the hilly plain area, first, the installation support 1 is pre-buried and installed according to the design length, the anchor-embedded rod 2 is used to make the installation support 1 more stably penetrate into the stable stratum in the hilly plain area, the stability of the guardrail after assembly is ensured, the matching key groove 18 and the plug-in polygon 19 are used to quickly butt joint the guardrail cross frame 4 and the guardrail support 3.

[0040] The matching key groove 18 and the plug-in polygon 19 are both polygonal structures, the installation angle of the guardrail cross frame 4 is adjusted by adjusting the insertion angle of the plug-in polygon 19, the installation of the guardrail in the hilly plain area is responded by adjusting the installation angle of the plug-in polygon 19, the installation of the guardrail is more convenient, and the rubber pad 22 ensures the tightness of the contact position between the guardrail cross frame 4 and the guardrail support 3.

[0041] After the preliminary connection between the guardrail cross 4 and the guardrail support 3, the bottom of the inserted prism 19 is preliminarily limited and connected by the limiting bolt 20 and the nut seat 21, and the inside of the inserted prism 19 is further limited and connected by the long screw 23 and the threaded groove 24, so that the position of the inserted prism 19 in different directions is limited by two fixed ways, the stability between the guardrail cross 4 and the guardrail support 3 after connection is ensured, and loosening is prevented, and the sealing plug 25 protects the long screw 23 and avoids rusting;

[0042] When a traffic accident occurs and a vehicle accidentally collides with the guardrail, the rotating cylinder 9 is rotatably connected between the guardrail cross 4 and the bottom support frame 5, and the rubber sleeve 13 and the buffer strip 14 on the outer side of the rotating cylinder 9 can preliminarily buffer the collision impact force of the vehicle when the vehicle collides with the rotating cylinder 9 when a traffic accident occurs in hilly and plain areas.

[0043] Secondly, when the rotating cylinder 9 is subjected to the collision force, the rotating cylinder 9 also rotates correspondingly, the rotating cylinder 9 is subjected to the resistance which drives the pressure deformation of the rotating arc block 12 and the resistance rotating block 16, so as to further buffer and dilute the collision force of the rotating cylinder 9, convert the rigid collision of the vehicle into flexible collision, thereby minimizing the impact force of the collision and reducing the damage of the vehicle, and through the stress rotation of the rotating cylinder 9, the vehicle is conveniently and quickly guided back to the road, and the safety of the vehicle is further protected.

[0044] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A highway barrier comprising a mounting support (1) characterised in that: The mounting support (1) is provided with multiple groups, and the bottom ends of the multiple groups of mounting supports (1) are uniformly provided with anchor-embedded rods (2) plated with zinc on the surface, the top of the mounting support (1) is symmetrically connected with two groups of adjacent guardrail supports (3), the top of the guardrail support (3) is detachably connected with a guardrail cross frame (4), the inner bottom of the guardrail cross frame (4) is provided with a bottom support frame (5) at a position opposite to the guardrail cross frame (4) in parallel, the bottom of the guardrail cross frame (4) and the top of the bottom support frame (5) are equally spaced and detachably connected with a plurality of groups of connecting blocks (6), the end of the connecting block (6) is connected with a connecting turntable (7), and the connecting block (6) is detachably connected with the guardrail cross frame (4) and the bottom support frame (5) through a mounting lug plate (8) respectively. The inner side of the two connecting turntables (7) between the guardrail cross frame (4) and the bottom support frame (5) is rotatably connected with a rotating drum (9), the end of the rotating drum (9) is connected with a connecting disc (10), the center position of the end of the connecting disc (10) is connected with a movable shaft seat (11), the edge end of the connecting disc (10) is connected with a plurality of groups of rotating arc blocks (12) along the circumferential direction at equal angles, the inner part of the connecting turntable (7) is provided with an embedded rotating groove (15), and a plurality of resistance rotating blocks (16) are connected at equal angles on the inner wall of the embedded rotating groove (15), and the inner wall of the embedded rotating groove (15) is connected with a limiting bearing seat (17) at the middle part corresponding to the movable shaft seat (11). The outer side of the rotating drum (9) is closely sleeved with a rubber sleeve (13), and the edge end of the rubber sleeve (13) is uniformly provided with a buffer strip (14).

2. A highway guard rail according to claim 1, wherein: The edge part of the mounting lug plate (8) is connected with the guardrail cross frame (4) and the bottom support frame (5) through a screw respectively.

3. A highway guard rail according to claim 1, wherein: The connecting disc (10) and the rotating arc block (12) are connected in the embedded rotating groove (15), and the movable shaft seat (11) is connected on the inner side of the limiting bearing seat (17).

4. A highway barrier according to claim 3 wherein: The rotating arc block (12) and the resistance rotating block (16) are both provided with plastic blocks with arc structures, and the arc bending directions of the rotating arc block (12) and the resistance rotating block (16) are opposite.

5. A highway guard rail according to claim 1 wherein: The inner part of the guardrail support (3) is provided with a matching key groove (18), the bottom end of the guardrail cross frame (4) is connected with the matching key groove (18) through a plug-in polygon (19), the front bottom of the guardrail support (3) is threadedly connected with a limiting bolt (20), the edge part of the plug-in polygon (19) is connected with a nut seat (21) at the position corresponding to the limiting bolt (20), and the top end of the plug-in polygon (19) is provided with a rubber pad (22) at the position in contact with the guardrail support (3). The inner part of the plug-in polygon (19) is penetrated and connected with a long screw (23) along the vertical direction, the inner bottom middle end of the guardrail support (3) is provided with a threaded groove (24) at the position corresponding to the long screw (23), and the top of the guardrail cross frame (4) is plugged with a sealing plug (25) at the position corresponding to the long screw (23).

6. A highway barrier according to claim 5 wherein: The plug-in polygonal prism (19) is matched with the gap between the engaging key groove (18), and the connecting angle between the two guardrail crosspieces (4) is adjusted by adjusting the angle of the plug-in polygonal prism (19).

7. A highway guard rail according to claim 5 wherein: The top of the guardrail crosspiece (4) is provided with an empty slot, the top of the long screw rod (23) is located in the empty slot, and the sealing plug (25) is filled in the empty slot.

Images