Urban road traffic guardrail capable of being spliced

Abstract

The utility model provides a splicing guardrail for urban road traffic, which relates to the technical field of road guardrails and comprises a connecting column, a connecting groove is arranged on the inner wall of the connecting column, a connecting mechanism is connected to the outer wall of one side of the connecting column and comprises a fixing block fixedly connected to the outer wall of one side of the connecting column, and a fixing piece is fixedly connected to one side of the inner wall of the fixing block. One side of the inner wall of the fixing block is provided with a threaded groove, one side of the inner wall of the fixing block is movably connected with a rotating block, one side of the outer wall of the rotating block is provided with a connecting thread, one end of the inner wall of the rotating block is provided with a groove, and one side of the inner wall of the rotating block is movably connected with a bolt. The utility model solves the problems that the existing road guardrail adopts a prefabricated concrete base matched with a bolting steel structure or a plug-in type rigid connection structure, so that a large amount of time is consumed for splicing, elastic elements are lacked, and secondary potential safety hazards occur when an accident occurs.

Description

TECHNICAL FIELD

[0001] The utility model relates to road guardrail technical field especially relates to a city road traffic splicing guardrail. BACKGROUND

[0002] As an important component of intelligent traffic system, the modular deployment capability and dynamic adaptive characteristics of city road traffic guardrail can improve road safety control efficiency. Under the background of infrastructure acceleration, municipal engineering needs to frequently adjust lane layout to adapt to scenes such as tidal traffic flow, temporary construction fence and emergency isolation of emergencies, which puts forward higher requirements for the rapid disassembly efficiency and impact performance of the guardrail. Especially in the city main road or city expressway reconstruction project with traffic flow > 5000 vehicles / hour, the traffic control time is prolonged (typical value > 2 hours / km) due to the time-consuming connection of traditional guardrails, which directly causes the social and economic loss of more than one million yuan per day.

[0003] The existing road guardrails mostly adopt precast concrete base with bolted steel structure or inserted rigid connection structure. The splicing method adopts M20 high-strength bolt locking, and two people need to cooperate to use torque wrench to calibrate (the installation time is about 8 minutes / node), and under the action of heavy vehicle rolling vibration (frequency 5-15 Hz), the pre-tightening force is easy to decay. Experimental data shows that for every 10% increase in traffic flow, the probability of bolt loosening increases by 23%, which causes the overall displacement of the guardrail system to reach 15mm / month, and the risk of secondary rubbing accidents. The quick-mounting guardrail tries to use gravity dowel structure, but due to the lack of self-adaptive locking mechanism, the joint cracks (typical joint gap expansion 3-5mm) due to the thermal expansion difference in the environment with temperature difference up to 40℃ in winter, which causes the risk of tripping pedestrians. In addition, the traditional guardrail joint lacks elastic energy dissipation elements, and when the vehicle is laterally impacted at 15km / h, the impact force is directly transmitted to the base bolt to cause shear fracture (collision experiment shows that the failure rate is 68% under 70kN impact load), which greatly increases the probability of secondary accidents and the difficulty of road rescue.

[0004] Therefore, a new type of splicing guardrail system with millisecond mechanical occlusion, multi-directional elastic buffering and environmental adaptive characteristics is needed to break through the dynamic isolation technical bottleneck in intelligent traffic infrastructure construction. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a city road traffic splicing guardrail.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of urban road traffic splicing guardrail, comprising: connecting column, connecting groove is opened in the inner wall of the connecting column, connecting mechanism is connected to the outer wall of one side of the connecting column, the connecting mechanism includes fixed block fixedly connected in the outer wall of one side of connecting column, fixed piece is fixedly connected to the inner wall of one side of the fixed block, the fixed piece one side is fixedly connected with spring piece, the inner wall of one side of the fixed block away from fixed piece is provided with thread groove, the inner wall of one side of the fixed block is movably connected with rotary block, connecting thread is opened in the outer wall of one side of the rotary block, recess is opened in the inner wall of one end of the rotary block, the inner wall of one side of the rotary block is movably connected with bolt.

[0007] As a preferred embodiment, the outer wall of one side of the connecting column is movably connected with a guardrail body, the outer walls of both sides of the guardrail body are fixedly connected with connecting pieces, and the connecting pieces are provided with slot holes in the middle portions.

[0008] As a preferred embodiment, the connecting pieces provided on the outer walls of both sides of the guardrail body are connected with the connecting groove opened in the inner wall of the connecting column.

[0009] As a preferred embodiment, the connecting piece provided on one side of the guardrail body is connected with the connecting piece provided on the outer wall of the other side in a staggered manner.

[0010] As a preferred embodiment, the inner walls of both the rotary block and the fixed block are movably connected with bolts, and one end of the bolt extends to one side of the connecting groove and is connected with the slot hole opened in the connecting piece in a corresponding manner.

[0011] As a preferred embodiment, the outer wall of one side of the fixed piece is fixedly connected with four spring pieces, and the four spring pieces are arranged in an annular array on one side of the outer wall of the bolt.

[0012] As a preferred embodiment, the connecting thread provided on one side of the outer wall of the rotary block is threadedly connected with the thread groove opened in one side of the inner wall of the fixed block.

[0013] As a preferred embodiment, the recess opened in one side of the inner wall of the rotary block is connected with one end of the spring piece away from the fixed piece in a corresponding manner.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1、The utility model in usage, design through the cooperation of rotary block and bolt, realize the stable splicing of guardrail body and connecting column.Rotary block is closely matched with fixed block through thread connection, and bolt can accurately pass through fixed piece, spring piece and fixed block, and finally fix guardrail body.This splicing mode is simple and rapid, and can effectively improve installation efficiency, especially in the scene needing to be quickly disassembled or installed.

[0016] 2, The utility model discloses in using, the elastic design of elastic sheet is the important highlight of this system. Four elastic sheets expand outward and have certain elasticity, make them can be in the rotation effect of rotating block and draw together to the inside, and clamping keep pin. Through this mode, the guardrail body can firmly connect with the connecting column, avoids the problem of loose and instability that traditional mechanical fixed mode brings. This design not only improves the reliability of connection, also effectively prevents the loosening phenomenon under the action of vibration or external force. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a kind of appearance structure schematic diagram of urban road traffic splicing guardrail.

[0018] Figure 2 The utility model provides a kind of disassembly structure schematic diagram of urban road traffic splicing guardrail.

[0019] Figure 3 The utility model provides a kind of connecting column cross section disassembly structure schematic diagram of urban road traffic splicing guardrail.

[0020] Figure 4 The utility model provides a kind of connecting mechanism cross section disassembly structure schematic diagram of urban road traffic splicing guardrail.

[0021] Legend:

[0022] 1, connecting column;2, connecting groove;3, connecting mechanism;4, guardrail body;5, connecting piece;6, slot hole;

[0023] 31, fixed block;32, fixed piece;33, elastic sheet;34, thread groove;35, rotating block;36, connecting thread;37, recess;38, keep pin. DETAILED DESCRIPTION

[0024] In order to more clearly explain the overall concept of the utility model, the following in conjunction with the description of drawing is explained in detail in the way of example.

[0025] It should be noted that, in the following description, a lot of specific details are set forth in order to give a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the protection scope of the utility model is not limited by the following disclosed specific embodiments.

[0026] In addition, in the description of the utility model, need understanding, the term "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external", "axial", "radial", "circumferential" and so on the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore can not be understood as limiting the utility model.

[0027] In the utility model, unless another explicit provision and limitation, the term "installation", "connection", "connect", "fixed" and so on the term should do broad sense, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements.But note direct connection then explain the connection of two main bodies between not through transition structure construction connection relationship, only through the connecting structure is connected to form an integral whole.For the person skilled in the art, can understand the specific meaning of the above-mentioned term in the utility model according to the specific situation.

[0028] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature first and second features can be directly contacted, or first and second features indirectly contact through intermediate medium.In the description of the specification, the description of reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above-mentioned terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] Example 1: as Figures 1-4The utility model provides a technical scheme: a kind of urban road traffic splicing guardrail, it include: connecting column 1, connecting groove 2 is set in the inner wall of connecting column 1, connecting mechanism 3 is connected to the outer wall of one side of connecting column 1, connecting mechanism 3 includes fixed block 31 fixedly connected in the outer wall of one side of connecting column 1, fixed block 31 inner wall one side is fixedly connected with fixed part 32, fixed part 32 one side is fixedly connected with spring piece 33, the inner wall one side of fixed block 31 away from fixed part 32 is set with thread groove 34, the inner wall one side of fixed block 31 is movably connected with rotating block 35, connecting thread 36 is set in the outer wall one side of rotating block 35, the connecting thread 36 of the outer wall one side of rotating block 35 is connected with the thread groove 34 set in the inner wall one side of fixed block 31 by screw thread, recess 37 is set in the inner wall one end of rotating block 35, the recess 37 set in the inner wall one side of rotating block 35 is connected with the one end of spring piece 33 away from fixed part 32 in correspondence, the inner wall one side of rotating block 35 is movably connected with bolt 38, the outer wall one side of fixed part 32 is fixedly connected with four spring pieces 33, four spring pieces 33 annular array in the outer wall one side of bolt 38.

[0030] In the embodiment, by designing connecting column 1, two connecting grooves 2 are set in the inner wall of connecting column 1 at upper and lower ends, one connecting mechanism 3 is connected to the outer wall of one side of connecting column 1 at upper and lower ends, wherein connecting mechanism 3 includes fixed block 31, fixed block 31 is welded to the outer wall of one side of connecting column 1, fixed part 32 is fixedly connected to the inner wall one side of fixed block 31, four spring pieces 33 are fixedly connected to the inner wall one side of fixed part 32 close to spring piece 33, four spring pieces 33 have certain elasticity, and are all outwardly expanded, and the one end of spring piece 33 away from fixed part 32 is provided with protruding block, thread groove 34 is set in the inner wall one side of fixed block 31, rotating block 35 is provided on the outer wall one side of fixed block 31, connecting thread 36 is provided on the outer wall one side of rotating block 35, therefore rotating block 35 can be connected with fixed block 31 by connecting thread 36 and thread groove 34 by screw thread, and the middle part of rotating block 35 and fixed block 31 is provided with groove, bolt 38 is movably connected in the groove inner wall, and the one end of bolt 38 can pass through rotating block 35, spring piece 33, fixed part 32 and fixed block 31, and extend into the connecting groove 2 set in the inner wall one side of connecting column 1, when rotating rotating block 35, due to the action of connecting thread 36 and thread groove 34, it will be offset to one side and tightened, at this time, the recess 37 set in the one end of connecting thread 36 will act with the one end of spring piece 33, so that spring piece 33 is close to each other inward, thereby wrapping bolt 38, and then clamping, at this time, guardrail body 4 provided on one side of connecting column 1 can be spliced and fixed.

[0031] Embodiment 2: as Figures 1-3As shown, the connecting column 1 one side outer wall is movably connected with the guardrail body 4, the guardrail body 4 both sides outer wall is fixedly connected with the connecting piece 5, the connecting piece 5 that the guardrail body 4 both sides outer wall is equipped with is connected with the connecting groove 2 that the connecting column 1 inner wall is opened correspondingly, the connecting piece 5 middle part is opened with the slot hole 6, and the rotating block 35 and the fixed block 31 inner wall one side are movably connected with the bolt 38, and the bolt 38 one end extends to the connecting groove 2 one side and is connected with the slot hole 6 that the connecting piece 5 is opened correspondingly.

[0032] In the embodiment, the connecting column 1 one side outer wall is movably connected with the guardrail body 4, the guardrail body 4 both sides are fixedly connected with two connecting pieces 5 respectively, the connecting piece 5 that both sides are equipped with is connected in error, and the slot hole 6 is opened in the middle part of the connecting piece 5, when the guardrail body 4 is spliced, the connecting piece 5 that the connecting column 1 inner wall is opened with the connecting groove 2 is connected with the connecting piece 5 that the guardrail body 4 side wall is equipped with, the bolt 38 is inserted, the bolt 38 passes through the slot hole 6 that the connecting piece 5 is opened, and the rotating block 35 is rotated, then the bolt 38 is fixed with the connecting piece 5, and then the splicing operation of the guardrail body 4 is completed.

[0033] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope of the present application (including the claims) is limited to these examples; under the concept of the present application, the above embodiments or technical features in different embodiments can also be combined, steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0034] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, alternatives and equivalents should be considered to fall within the scope of the present application as defined by the appended claims.

Claims

1. A city road traffic splicing guardrail, comprising a connecting column (1), characterized in that: The inner wall of the connecting column (1) is provided with a connecting groove (2), and a connecting mechanism (3) is connected to one side of the outer wall of the connecting column (1). The connecting mechanism (3) includes a fixing block (31) fixedly connected to one side of the outer wall of the connecting column (1). A fixing member (32) is fixedly connected to one side of the inner wall of the fixing block (31). A spring piece (33) is fixedly connected to one side of the fixing member (32). A threaded groove (34) is provided on the inner wall of the fixing block (31) away from the fixing member (32). A rotating block (35) is movably connected to one side of the inner wall of the fixing block (31). A connecting thread (36) is provided on one side of the outer wall of the rotating block (35). A groove (37) is provided at one end of the inner wall of the rotating block (35). A pin (38) is movably connected to one side of the inner wall of the rotating block (35).

2. The urban road traffic splicable guardrail according to claim 1, characterized in that: The outer wall of one side of the connecting column (1) is movably connected to the guardrail body (4), and the outer walls of both sides of the guardrail body (4) are fixedly connected to the connecting parts (5), and the connecting parts (5) have a slot (6) in the middle.

3. The urban road traffic splicable guardrail according to claim 2, characterized in that: The connectors (5) on both sides of the outer wall of the guardrail body (4) are connected to the connecting grooves (2) on the inner wall of the connecting post (1).

4. The urban road traffic splicable guardrail according to claim 2, characterized in that: The connector (5) on one side of the guardrail body (4) is misaligned with the connector (5) on the outer wall of the other side.

5. The urban road traffic splicable guardrail according to claim 2, characterized in that: The rotating block (35) and the fixed block (31) are movably connected to one side of their inner walls by a pin (38), and one end of the pin (38) extends to one side of the connecting groove (2) and is connected to the slot (6) opened on the connector (5).

6. The urban road traffic splicable guardrail according to claim 1, characterized in that: Four spring pieces (33) are fixedly connected to one side of the outer wall of the fastener (32), and the four spring pieces (33) are arranged in a ring array on one side of the outer wall of the pin (38).

7. The urban road traffic splicable guardrail according to claim 1, characterized in that: The connecting thread (36) on one side of the outer wall of the rotating block (35) is threadedly connected to the threaded groove (34) on one side of the inner wall of the fixed block (31).

8. The urban road traffic splicable guardrail according to claim 1, characterized in that: The groove (37) on one side of the inner wall of the rotating block (35) is connected to the end of the spring piece (33) away from the fixing member (32).

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