Annular combined anti-collision pier

Abstract

The utility model discloses an annular combined anti-collision pier, and relates to the technical field of anti-collision piers, the annular combined anti-collision pier comprises a plurality of anti-collision units which form a circular ring shape after being encircled, a connecting assembly is installed between every two adjacent anti-collision units, each anti-collision unit comprises a support, a shaft rod is rotatably arranged on each support, and the shaft rod is connected with the connecting assembly. A plurality of buffering assemblies distributed in a circumferential array mode are arranged on the outer wall of the shaft rod, studs are fixedly connected to the top and the bottom of the support, and nuts for locking the connecting assemblies are connected to the studs in a threaded mode. The buffer assembly can be flexibly adjusted to ensure the applicability and improve the installation efficiency, the buffer assembly comprises the buffer plate, the shock absorber, the buffer spring and the anti-collision strip, impact force can be effectively dispersed and absorbed, direct impact on the pier is reduced, the buffer plate can relatively rotate through the design of the shaft rod, impact force is decomposed, the impact force is prevented from directly acting on the pier, and the service life of the pier is prolonged. Therefore, the safety of the protection main body and the foreign object can be better protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crash barrier, especially relates to a ring combined crash barrier. BACKGROUND

[0002] With the continuous development of traffic facilities, especially the construction of bridge and road infrastructure, how to effectively protect these facilities from vehicle collision and external impact force becomes an important issue. Bridge piers, bridge columns and other cylindrical traffic facilities often suffer a great impact force when facing vehicle impact, which not only may cause structural damage, but also may affect traffic safety.

[0003] Because the diameters of different bridge piers are different, when installing the crash barrier outside the bridge pier, the crash barrier corresponding to the diameter size of the bridge pier needs to be installed and debugged. Most of the existing crash barriers are of single structure, which can play a certain protective role, but have poor applicability, greatly reducing the installation efficiency of the crash barrier, making the staff spend time and effort when installing, and the buffering effect of the existing crash barrier mainly relies on a single material or buffering element, which is difficult to fully disperse and absorb the impact force, causing the impact force to directly act on the surface of the bridge pier, which is easy to cause damage. SUMMARY

[0004] The utility model aims at solving the problems in the prior art and provides a ring combined crash barrier.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A ring combined crash barrier comprises a plurality of crash units combined into a circular shape, and a connecting assembly is installed between two adjacent crash units. Each crash unit comprises a bracket, a shaft is rotatably arranged on the bracket, a plurality of circumferentially arrayed buffering assemblies are arranged on the outer wall of the shaft, threaded nuts of locking connecting assemblies are connected to threaded studs fixedly connected to the top and bottom of the bracket.

[0007] Preferably, the connecting assembly comprises a first connecting piece, a second connecting piece and a pin shaft, the first connecting piece and the second connecting piece are hingedly connected to the pin shaft, the first connecting piece and the second connecting piece are relatively rotatable, through holes are formed in the first connecting piece and the second connecting piece, and the threaded studs can pass through the through holes.

[0008] Preferably, each buffering assembly comprises a buffering plate, a shock absorber and a buffering spring are fixedly connected between the side of the buffering plate facing the shaft and the outer wall of the shaft, and the buffering spring is sleeved outside the shock absorber.

[0009] Preferably, one side of the support is provided with anti-skid grooves, the anti-skid grooves are X-shaped and are arranged at intervals from top to bottom.

[0010] Preferably, the side of the buffer plate away from the shock absorber is fixedly connected with a plurality of anti-collision strips arranged at intervals from top to bottom.

[0011] Preferably, the side of the buffer plate away from the shock absorber is fixedly connected with a plurality of anti-collision strips arranged at intervals from top to bottom.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1、 in the utility model, through adjustable anti-collision unit quantity, the connecting assembly of corresponding quantity and specification can be combined, the required anti-collision unit and connecting assembly can be flexibly selected according to the diameter size of the bridge pier or other cylindrical main body on site, the applicability of the anti-collision pier is ensured, the installation and debugging efficiency are improved, and time and cost are saved.

[0014] 2、 in the utility model, the buffer assembly is composed of a buffer plate, a shock absorber, a buffer spring and an anti-collision strip, the buffer plate is used in cooperation with the shock absorber and the buffer spring, can effectively disperse and absorb impact force when collision occurs, reduces the direct action of impact force on the bridge pier, thereby protecting the bridge pier from damage, and simultaneously, the anti-collision strip is designed with elastic rubber or an inflatable column, can be elastically deformed when impacting, effectively absorbs impact energy, and further slows down the impact process.

[0015] 3、 in the utility model, through the setting of the shaft rod, the buffer plate can make the shaft rod relatively rotate when collision occurs, impact force of collision is decomposed and buffered, impact force is avoided from vertically acting on the bridge pier, and the safety of the external object and the protection main body is better protected. ACCURATE DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the annular combined anti-collision pier is provided for the utility model;

[0017] Figure 2 A three-dimensional structure schematic view of the annular combined anti-collision pier is provided for the utility model; Figure 1 A structure schematic view of the enlarged structure at A in the utility model is provided;

[0018] Figure 3 A structure schematic view of the anti-collision unit of the annular combined anti-collision pier is provided for the utility model;

[0019] Figure 4 A structure schematic view of the anti-collision unit of the annular combined anti-collision pier is provided for the utility model;

[0020] Figure 5The utility model provides a connecting assembly explosion structure schematic view of annular combined type crash barrier.

[0021] Legend: 100, crash unit; 101, support; 102, shaft; 103, buffer assembly; 1031, buffer plate; 1032, shock absorber; 1033, buffer spring; 1034, crash strip; 1035, reflective strip; 104, stud; 105, nut; 106, anti-skid groove; 200, connecting assembly; 201, first connecting piece; 202, second connecting piece; 203, pin shaft; 204, through hole. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in combination with the drawings and examples. It should be noted that the examples and features in the examples of the present application can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific examples disclosed in the following description.

[0024] As Figures 1-5 The utility model provides a kind of annular combined type crash barrier, including the crash unit 100 of being surrounded by several circular ring shape, connecting assembly 200 is installed between adjacent two crash unit 100, each crash unit 100 includes support 101, support 101 is rotatably provided with shaft 102, the outer wall of shaft 102 is provided with several circumferential array distribution buffer assembly 103, the top and bottom of support 101 are fixedly connected with stud 104, and the nut 105 of locking connection assembly 200 is threadedly connected on stud 104.

[0025] In the embodiment, connecting assembly 200 includes first connecting piece 201, second connecting piece 202 and pin shaft 203, first connecting piece 201 and second connecting piece 202 are hingedly connected on pin shaft 203, first connecting piece 201 and second connecting piece 202 can be relatively rotated, and the through hole 204 is formed in first connecting piece 201 and second connecting piece 202, and stud 104 can pass through through hole 204, the length of first connecting piece 201 and second connecting piece 202 can be provided as multiple specifications, and the first connecting piece 201 and second connecting piece 202 of different sizes are selected by cooperating the number of required crash unit 100, to ensure that several crash unit 100 is combined into annular structure after being connected by connecting assembly 200.

[0026] In the embodiment, each buffer assembly 103 comprises a buffer plate 1031, a shock absorber 1032 and a buffer spring 1033 are fixedly connected between the side of the buffer plate 1031 facing the shaft 102 and the outer wall of the shaft 102, and the buffer spring 1033 is sleeved on the outside of the shock absorber 1032; when an external object hits the buffer plate 1031, the shock absorber 1032 can play a role after the collision, and the buffer spring 1033 also plays a buffering role, absorbs the force generated when the shock occurs, and plays a role of reducing the impact force, thereby better protecting the external object and the safety of the protective body.

[0027] In the embodiment, the support 101 is provided with anti-skid grooves 106 on one side, the anti-skid grooves 106 are X-shaped and are arranged at intervals from top to bottom, and through the design of the anti-skid grooves 106, the mechanical properties between the contact surfaces are changed, which will cause greater friction force to be generated, so that the support 101 is more firmly installed on a telegraph pole or a pier.

[0028] In the embodiment, the side of the buffer plate 1031 away from the shock absorber 1032 is fixedly connected with a plurality of anti-collision strips 1034 arranged at intervals from top to bottom, the anti-collision strips 1034 can be inflatable columns that form airbags after inflation, or can be made of elastic rubber material and elastically deform to buffer when impacted.

[0029] In the embodiment, the side of the buffer plate 1031 away from the shock absorber 1032 is fixedly connected with a plurality of anti-collision strips 1034 arranged at intervals from top to bottom, the anti-collision strips 1034 can be inflatable columns that form airbags after inflation, or can be made of elastic rubber material and elastically deform to buffer when impacted.

[0030] The use method and working principle of the device are as follows:

[0031] When the device is used, first, the diameter size of the pier or other cylindrical body to be protected on site is determined, the required number of anti-collision units 100 and the connecting assembly 200 of a certain specification are selected according to the size, the through holes 204 on the first connecting piece 201 and the second connecting piece 202 are matched with the studs 104 on the adjacent two anti-collision units 100, the first connecting piece 201 and the second connecting piece 202 are locked by the connection of the nut 105 and the stud 104, and the anti-collision units 100 are combined through the connecting assembly 200, the anti-collision units 100 are combined to form a ring and wrapped around the pier, and only the number of anti-collision units 100 needs to be adjusted to be applicable to piers of different sizes, thereby improving the installation and debugging efficiency.

[0032] When the collision occurs, the first contact is the anti-collision strip 1034 on the buffer plate 1031, the anti-collision strip 1034 is buffered by elastic deformation, then the buffer plate 1031 impacted will be buffered by the shock absorber 1032 and the buffer spring 1033, the force generated when the shock is absorbed, the impact force is slowed down, at the same time, due to the setting of the shaft rod 102, the buffer plate 1031 will make the shaft rod 102 relatively rotate when the collision occurs, the impact force of the collision is decomposed and buffered, the impact force is prevented from being vertically applied to the pier, and the safety of the external object and the protection main body is better protected.

[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A ring-shaped combined crash barrier, comprising a plurality of crash units (100) which are combined to form a ring shape, and a connecting assembly (200) installed between two adjacent crash units (100), characterized in that: Each anti-collision unit (100) includes a bracket (101), a shaft (102) is rotatably provided on the bracket (101), a plurality of buffer components (103) distributed in a circumferential array are provided on the outer wall of the shaft (102), and studs (104) are fixedly connected to the top and bottom of the bracket (101), and a nut (105) of the locking connection component (200) is threadedly connected to the studs (104).

2. A ring shaped combined crash barrier according to claim 1, characterized in that: The connecting assembly (200) comprises a first connecting member (201), a second connecting member (202) and a pin (203); the first connecting member (201) and the second connecting member (202) are both hinged on the pin (203); the first connecting member (201) and the second connecting member (202) can rotate relative to each other; the first connecting member (201) and the second connecting member (202) are both provided with a through hole (204); the stud (104) can pass through the through hole (204).

3. A ring shaped combined crash barrier according to claim 1, characterized in that: Each of the buffer components (103) comprises a buffer plate (1031), a shock absorber (1032) and a buffer spring (1033) being fixedly connected between the side of the buffer plate (1031) facing the shaft (102) and the outer wall of the shaft (102), and the buffer spring (1033) being sleeved on the outer side of the shock absorber (1032).

4. A ring shaped combined crash barrier according to claim 1, characterized in that: An anti-slip groove (106) is provided on one side of the bracket (101), and the anti-slip groove (106) is X-shaped and is arranged at intervals from top to bottom.

5. A ring shaped combined crash barrier according to claim 3, characterized in that: A plurality of anti-collision strips (1034) spaced apart from each other from top to bottom are fixedly connected to a side of the buffer plate (1031) away from the shock absorber (1032).

6. A ring shaped combined crash barrier according to claim 5, characterized in that: A plurality of reflective strips (1035) spaced apart from each other from top to bottom are fixedly connected to a side of the buffer plate (1031) away from the shock absorber (1032), and the reflective strips (1035) are located between two adjacent anti-collision strips (1034).

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