CN216864872U - Protection island head and have its safety island - Google Patents

Abstract

The utility model belongs to the technical field of passive safety protection, a protection island head and have its safety island is provided, this protection island head includes the base and sets up the energy-absorbing component on the base, the end connection of the one end of energy-absorbing component and base, the other end of energy-absorbing component is provided with flexible energy-absorbing end. The application provides a protection island head not only can play the energy-absorbing effect through the energy-absorbing subassembly, in order to deal with the great accident of impact, can also play preliminary energy-absorbing effect through flexible energy-absorbing end, especially when dealing with the less accident of impact, if take place when scraping or low-speed striking, atress compression deformation absorbing capacity through flexible energy-absorbing end, and combine the flexible speciality of self, can effectively avoid the damage to the collider vehicle, flexible energy-absorbing end also can bounce simultaneously, resume to original state, need not to change, and then at the collision in-process, realized "little not bad of hitting, well hit can be repaiied, the function of big collision interchangeable".

Description

Protection island head and have its safety island

Technical Field

The application belongs to the technical field of passive safety protection, and particularly relates to a protection island head and a safety island with the protection island head.

Background

A safety island is a safety device, generally arranged between two roundtrip lanes, for providing temporary stopping positions for pedestrians, particularly for roads with excessively wide roads, and functions to protect pedestrians in the middle of the road where vehicles cross. People can form a habit of crossing streets for the second time by setting up the safety island, namely, the people firstly arrive at the pedestrian safety island in the center of the road in the first green light time, and then walk the rest distance after the green light is turned on for the second time. The method greatly increases the safety of the pedestrian crossing the road, avoids 'rush march', and particularly protects the benefits of the old, children and the disabled.

The safety island is used as a standing waiting area for pedestrians to pass through a bidirectional driving lane, and traffic lights need to be waited in the safety island when the pedestrians pass through a road, so that the safety in the safety island is particularly important, and the safety island can block the intrusion of out-of-control vehicles in all directions.

At present, the protective island head for the safety island has various forms such as a protective guardrail, an anti-collision barrel, a guide buffer device, an anti-collision post buried and fixed, a rigid anti-collision cover and the like. However, the protective function of the protective island heads is weak, and the protective island heads are rigid stops, so that drivers and passengers are easy to injure or die, or the rigidity is insufficient, so that pedestrians in the safety island are easy to injure or die. Therefore, the current protective island head cannot effectively guarantee the life safety of drivers and passengers and pedestrians in the safety island.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a protection island head and a safety island with the same, and the technical problem that the blocking function and the buffering function of the safety island head in the prior art are insufficient is solved.

In order to achieve the purpose, according to one aspect of the application, the protective island head comprises a base and an energy absorption assembly arranged on the base, one end of the energy absorption assembly is connected with the end of the base, and the other end of the energy absorption assembly is provided with a flexible energy absorption end.

Optionally, the energy-absorbing assembly comprises a first energy-absorbing part and a second energy-absorbing part, and the first energy-absorbing part and the second energy-absorbing part are sequentially arranged along the sliding direction of the energy-absorbing assembly;

one end of the second energy absorption part is connected with the end part of the base, the other end of the second energy absorption part is connected with one end of the first energy absorption part, and the other end of the first energy absorption part is provided with a flexible energy absorption end.

Optionally, the energy absorber assembly further comprises a sliding portion slidably disposed on the base and coupled between the first energy absorber portion and the second energy absorber portion.

Optionally, a sliding rail is arranged on the base, the sliding rail extends along the sliding direction of the energy absorption assembly, the sliding portion comprises a connecting beam and a sliding column arranged at the bottom of the connecting beam, and the bottom of the sliding column is in sliding fit with the sliding rail.

Optionally, the second energy absorbing portion includes at least two energy absorbing tubes, a mounting area is formed between two adjacent energy absorbing tubes, the second energy absorbing portion further includes a honeycomb core assembly, the honeycomb core assembly is detachably mounted in the mounting area, and the honeycomb core assembly is matched with the mounting area.

Optionally, the honeycomb core assembly comprises a plurality of honeycomb cores, and the plurality of honeycomb cores are sequentially arranged along the sliding direction of the energy absorption assembly.

Optionally, the energy-absorbing assembly further comprises a sliding part, the sliding part is slidably disposed on the base and connected between the first energy-absorbing part and the second energy-absorbing part, one end of the energy-absorbing pipe is detachably connected with the base, the other end of the energy-absorbing pipe is detachably connected with the sliding part, and the energy-absorbing pipe comprises a crushing bending section.

Optionally, the first energy absorbing part is at least partially composed of an energy absorbing block, a plurality of cavities are arranged inside the energy absorbing block, and the end of the energy absorbing block forms a flexible energy absorbing end.

Optionally, the base comprises a base plate and a support arranged at the end of the base plate, the base plate is connected to the ground, one end of the energy absorption assembly is connected with the support, a plurality of reinforcing plates are connected between the base plate and the support, and the plurality of reinforcing plates are arranged at intervals in the width direction of the base plate;

the protective island head further comprises a protective shell, and the protective shell is wrapped outside the base and the energy absorption assembly.

According to another aspect of the application, a safety island is provided, and the safety island comprises a protection island head which is the protection island head.

The application provides a protection island head's beneficial effect lies in: compared with the prior art, the protection island head of this application not only possesses the energy-absorbing subassembly, and the one end of keeping away from the base tip at the energy-absorbing subassembly has set up flexible energy-absorbing end, promptly the front end of energy-absorbing subassembly has set up flexible energy-absorbing end, wherein, flexible energy-absorbing end has adopted if the flexible material of rubber etc. to make, when the vehicle takes place to strike to protection island head, earlier through flexible energy-absorbing end atress compression deformation, play preliminary energy-absorbing effect, rethread energy-absorbing subassembly carries out the energy-absorbing buffering, can effectively avoid the damage of collider vehicle, flexible energy-absorbing end also can bounce-back simultaneously, resume original state, need not to change. The protection island head of this application can be along with the impact strength gradual change, orderly deformation energy-absorbing. In the collision process, the functions of 'no damage due to small collision, repairable due to medium collision and replaceable due to large collision' are realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic diagram of an internal structure of a protective island head provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a base of a protective island head according to an embodiment of the present disclosure;

fig. 3 is a schematic structural view of a sliding portion and an energy absorption tube of the island head according to the embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a honeycomb core of a protective island head provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of a protective housing for protecting an island head according to an embodiment of the present disclosure;

reference is now made to the following figures, in which:

10. a base; 11. a slide rail; 12. a substrate; 13. a support; 14. a reinforcing plate; 15. a first connecting plate; 20. an energy absorbing assembly; 21. a first energy absorbing part; 211. a cavity; 22. a second energy absorbing portion; 221. an energy absorbing tube; 222. an installation area; 223. a honeycomb core assembly; 2231. a honeycomb core; 2232. a corrugated sheet; 224. crushing the bending section; 225. a bearing projection; 30. a flexible energy absorbing end; 40. a sliding part; 41. a connecting beam; 42. a traveler; 50. a protective housing.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

As noted in the background, currently, protective island heads for safety islands have many forms, such as protective barriers, crash drums, guide bumpers, buried and fixed crash posts, and rigid crash shields. However, the protective function of the protective island heads is weak, and the protective island heads are rigid stops, so that drivers and passengers are easy to injure or die, or the rigidity is insufficient, so that pedestrians in the safety island are easy to injure or die. Therefore, the current protective island head cannot effectively guarantee the life safety of drivers and passengers and pedestrians in the safety island.

Referring to fig. 1 to 5, in order to solve the above problem, according to an aspect of the present application, an embodiment of the present application provides a protective island head, and the protective island head provided by the embodiment of the present application is now described. The protective island head comprises a base 10 and an energy absorption assembly 20 arranged on the base 10, wherein one end of the energy absorption assembly 20 is connected with the end part of the base 10, and the other end of the energy absorption assembly 20 is provided with a flexible energy absorption end 30.

The protective island head provided by the application not only has the energy-absorbing component 20, but also is provided with a flexible energy-absorbing end 30 at one end of the energy-absorbing component 20 far away from the end part of the base 10, namely, the front end of the energy absorbing component 20 is provided with a flexible energy absorbing end 30, wherein the flexible energy absorbing end 30 is made of flexible materials such as rubber and the like, compared with the prior art, the protective island head not only can play a role of energy absorption through the energy absorption component 20, so as to deal with the accident with larger impact force, and can play the role of primary energy absorption through the flexible energy absorption end 30, especially when dealing with the accident with smaller impact force, such as scratch or low-speed impact, by the force compression deformation absorbing capacity of the flexible energy absorbing end 30 and combining the characteristic of flexibility of the flexible energy absorbing end, the damage to the vehicle of the collider can be effectively avoided, and meanwhile, the flexible energy absorption end 30 can rebound to restore to the original state without replacement. The protection island head of this application can be along with the impact strength gradual change, orderly deformation energy-absorbing. In the collision process, the functions of 'no damage due to small collision, repairable due to medium collision and replaceable due to large collision' are realized.

Because the flexible energy absorbing end 30 at the front end is not enough to absorb energy completely when the vehicle speed is high, other energy absorbing structures of the energy absorbing assembly 20 are required to absorb energy further to play an effective protection role, for this reason, in another embodiment of the present application, as shown in fig. 1, the energy absorbing assembly 20 in this embodiment includes a first energy absorbing part 21 and a second energy absorbing part 22, and the first energy absorbing part 21 and the second energy absorbing part 22 are sequentially arranged along the sliding direction of the energy absorbing assembly 20; one end of the second energy absorbing part 22 is connected with the end of the base 10, the other end of the second energy absorbing part 22 is connected with one end of the first energy absorbing part 21, and the other end of the first energy absorbing part 21 is provided with a flexible energy absorbing end. When the vehicle speed is high, the flexible energy absorption end 30 at the front end is not enough to absorb energy completely, the first energy absorption part 21 firstly receives impact to absorb energy, and then the second energy absorption part 22 absorbs energy until the energy absorption is finished.

In a preferred embodiment, in consideration of the application scenario of the security island, the first energy absorbing part 21 of this embodiment includes a rubber energy absorbing block by using the physicochemical characteristics of rubber, especially the excellent characteristics of resilience, insulation, water-resisting property, and the like, and further having the precious properties of oil resistance, acid resistance, alkali resistance, heat resistance, cold resistance, pressure resistance, wear resistance, and the like, and of course, in other embodiments, the first energy absorbing part 21 may be made of other materials as long as the materials have excellent resilience and flexibility.

The first energy absorbing part 21 of the present embodiment is at least partially composed of a rubber energy absorbing block, and the end of the rubber energy absorbing block forms a flexible energy absorbing end 30, in an embodiment, the first energy absorbing part 21 is entirely composed of a rubber energy absorbing block, that is, the first energy absorbing part 21 is an integrally formed rubber energy absorbing block, and when the first energy absorbing part is installed, the rubber energy absorbing block is fixedly connected through a threaded fastener, or the rubber energy absorbing block is fixedly connected through a rivet. The rubber energy absorption block can be fixed on the second energy absorption part 22, and can also be fixed on the structure between the first energy absorption part 21 and the second energy absorption part 22.

In another embodiment, the first energy absorbing part 21 is composed of energy absorbing blocks, that is, the first energy absorbing part 21 includes a body and energy absorbing blocks mounted on the body, and when the energy absorbing block is mounted, the energy absorbing blocks are fixedly connected through threaded fasteners, or the energy absorbing blocks are fixedly connected through rivets, so that the energy absorbing blocks are connected with the body. The energy absorption block is preferably a rubber energy absorption block, and other elastic energy absorption materials can be adopted in other embodiments.

In order to improve the deformation elasticity of the rubber energy absorption block, reduce the usage amount of rubber and reduce the cost, in another embodiment of the present application, a plurality of cavities 211 are arranged inside the rubber energy absorption block.

In one embodiment, the cavities 211 are cavities penetrating through the rubber energy absorbing block along the height direction of the rubber energy absorbing block, and the cavities 211 are radially outwardly divergent from the center of one end of the rubber energy absorbing block away from the flexible energy absorbing end 30.

In another embodiment, the cavities 211 are cavities that penetrate the rubber energy absorbing block along the height direction of the rubber energy absorbing block, and the cavities 211 are arranged in a rectangular array along the sliding direction of the energy absorbing assembly 20.

In another embodiment, the cavities 211 are cavities extending along the height direction of the rubber energy absorbing block but do not penetrate through the rubber energy absorbing block, the cavities 211 are divided into an upper layer and a lower layer, the cavities 211 of the upper layer and the lower layer are arranged in a one-to-one correspondence manner, and the cavities 211 of each layer are radially dispersed outwards with the center of one end, far away from the flexible energy absorbing end 30, of the rubber energy absorbing block as a starting point.

In another embodiment, the cavities 211 are cavities extending along the height direction of the rubber energy absorbing block, but do not penetrate through the rubber energy absorbing block, the cavities 211 are divided into an upper layer and a lower layer, the cavities 211 of the upper layer and the lower layer are arranged in a one-to-one correspondence, and the cavities 211 are arranged in a rectangular array along the sliding direction of the energy absorbing assembly 20.

In order to guide the collapse of the energy absorbing assembly 20 during the impact of the island head, and achieve precise energy absorption, in another embodiment of the present application, please refer to fig. 2 to 3, the energy absorbing assembly 20 further includes a sliding portion 40, and the sliding portion 40 is slidably disposed on the base 10 and connected between the first energy absorbing portion 21 and the second energy absorbing portion 22. When the vehicle speed is higher, the flexible energy absorbing end 30 at the front end is not enough to completely absorb energy, and the second energy absorbing part 22 guided by the sliding part 40 collapses to further absorb energy, so that the effective protection effect can be achieved.

Specifically, the base 10 is provided with a slide rail 11, the slide rail 11 extends along the sliding direction of the energy absorber assembly 20, the sliding portion 40 includes a connecting beam 41 and a slide pillar 42 disposed at the bottom of the connecting beam 41, and the bottom of the slide pillar 42 is in sliding fit with the slide rail 11. Preferably, the slide rail 11 is an i-shaped slide rail 11, the bottom of the slide column 42 is provided with a sliding structure, a sliding groove is arranged inside the sliding structure, and the sliding groove is matched with the i-shaped slide rail 11 and limited by the upper part of the i-shaped slide rail 11, so as to prevent the sliding structure from falling off from the upper part of the i-shaped slide rail 11.

In another embodiment of the present application, please refer to fig. 1, 3 and 4, the second energy absorbing portion 22 includes at least two energy absorbing tubes 221, a mounting region 222 is formed between two adjacent energy absorbing tubes 221, and the mounting region 222 gradually decreases along a direction toward the flexible energy absorbing end 30; second energy absorber 22 also includes a honeycomb core assembly 223, honeycomb core assembly 223 being removably mounted in mounting area 222, honeycomb core assembly 223 conforming to mounting area 222. The direction of installing zone along towards flexible energy-absorbing end reduces gradually, honeycomb core subassembly reduces gradually along the direction towards flexible energy-absorbing end promptly, can realize in the installing zone that the position intensity that leans on after more is higher more, the realization is progressively increased gradually, can see out, the protection island head of this application has multistage energy-absorbing function, the front end is carried out the energy-absorbing by flexible energy-absorbing end 30, the rear end has honeycomb core subassembly 223 and energy-absorbing pipe 221 to carry out the energy-absorbing, intensity increases gradually, conquassation deformation in order.

In another embodiment of the present application, referring to fig. 1 and 4, the honeycomb core assembly 223 is a plurality of honeycomb cores 2231 arranged in sequence along the sliding direction of the energy absorber 20 to collapse substantially in stages. Wherein the energy absorbing tube 221 encloses a plurality of honeycomb cores 2231. The honeycomb core 2231 is often energy absorbing using axial compression. In which the honeycomb core 2231 is internally formed by stacking a plurality of corrugated sheets 2232, the corrugated sheets 2232 are vertically arranged and extend along the width direction of the base 10, and in a preferred embodiment, a plurality of reinforcing ribs are arranged on the corrugated sheets 2232 forming the honeycomb core 2231, and the reinforcing ribs extend along the length direction of the corrugated sheets 2232, so as to change the structural form of the conventional corrugated sheets 2232, and in particular, the reinforcing ribs are stamped on the corrugated sheets 2232 to realize lateral compression energy absorption. And, an energy absorbing material is filled inside the honeycomb core 2231 to increase the overall strength of the honeycomb core 2231. Preferably, the energy absorption material is high-molecular polyurethane foam, so that the cost is low.

Particularly, the protective island head has the characteristics of no damage caused by small collision, repairable medium collision and replaceable large collision in the collision process. When the scratch or the low-speed impact occurs, the front end flexible energy absorption end 30 deforms to absorb energy. And after the vehicle leaves, the deformation is recovered. When the vehicle speed is higher, the front end flexible energy absorption end 30 is not enough to completely absorb energy, and the energy absorption pipe 221 at the rear end and the honeycomb core 2231 in the enclosure are sequentially compressed and deformed until the energy absorption is finished. At this time, the energy absorption tube 221 is compressed and discarded, the energy absorption core at the front end of the multi-stage honeycomb core 2231 in the surrounding is discarded, and the rear end is not damaged, so that the energy absorption tube can be reused. In a specific embodiment, when the vehicle speed reaches about 60km/h, the energy absorbing tube 221 and the honeycomb core 2231 are compressed completely and are discarded completely after the collision. The base 10 is not damaged during the entire collision process and can be reused. Wherein, two adjacent energy-absorbing pipes 221 opposite sides all are provided with a plurality of bearing protrusions 225 to bear honeycomb core assembly 223.

Specifically, referring to fig. 1 and 3, one end of the energy-absorbing pipe 221 is detachably connected to the base 10, the other end of the energy-absorbing pipe 221 is detachably connected to the sliding portion 40, and the energy-absorbing pipe 221 includes a crush bend 224. In the collision process, the frame formed by the energy absorption pipe 221 and the sliding part 40 has good buffering and energy absorption functions.

The number of the energy-absorbing tubes 221 may be two or more, in an embodiment where the number of the energy-absorbing tubes 221 is two, the two energy-absorbing tubes 221 are symmetrically arranged, the crush bent sections 224 are oppositely arranged, when the energy-absorbing device works, the sliding portion 40 is guided to retreat by force, the energy-absorbing tubes 221 crush and deform from the middle crush bent section 224, and the left and right energy-absorbing tubes 221 cooperatively deform and compress backwards without being unstable. Meanwhile, the honeycomb core 2231 inside the enclosure is sequentially deformed from the front end to the rear end. After the impact is complete, the damaged component may be replaced. The energy absorbing pipe 221 is not limited to a square pipe, but may be a circular pipe, a polygonal line, or an arc.

Energy-absorbing piece and honeycomb core 2231 in this embodiment all can carry out the split and replace alone, have realized the modularization management and the transportation of equipment, easily maintain and change, greatly reduced the replacement cost.

In another embodiment of the present application, referring to fig. 2, the base 10 includes a base plate 12 and a support 13 disposed at an end of the base plate 12, the base plate 12 is connected to the ground, one end of the energy absorption assembly 20 is connected to the support 13, a plurality of reinforcing plates 14 are connected between the base plate 12 and the support 13, and the plurality of reinforcing plates 14 are spaced apart along a width direction of the base plate 12; the width direction of the base plate is the horizontal direction perpendicular to the extending direction of the slide rail, and the base 10 is formed by welding a plate material and section steel. The base plate 12 is welded with the slide rail 11 at the middle position, and the support 13 is composed of reinforced steel bars so as to provide enough rear support for the energy absorbing assembly 20.

Specifically, at least two pairs of first connecting plates 15 are provided on the holder 13, two first connecting plates 15 in each pair are spaced apart from top to bottom, each pair of first connecting plates 15 is spaced apart in the width direction of the holder 13, wherein, the width direction of the support is parallel to the width direction of the base plate, one end of the energy absorption tube 221 is provided with second connecting plates which are arranged in pairs, the second connecting plates and the first connecting plates 15 are arranged in one-to-one correspondence and are connected by a bolt passing through the second connecting plates and the first connecting plates 15, when guaranteeing connectivity, the staff of being convenient for dismantles and changes energy-absorbing pipe 221, and is the same, and the other end of energy-absorbing pipe 221 also is provided with the third connecting plate that sets up in pairs, and two third connecting plates in every pair are located the upper and lower both sides of splice bar respectively, pass upper and lower two third connecting plates and splice bar through the bolt and connect.

In another embodiment of the present application, the island head further includes a shielding shell 50, and the shielding shell 50 covers the base 10 and the energy absorber 20. Through setting up protective housing 50, can effectively protect the inner structure of protection island head, prevent that it from receiving the pollution of outside impurity, guarantee life, also can guarantee the aesthetic property simultaneously. The protective casing 50 may be formed by welding thin plates, so that it has a certain structural strength and a protective effect.

According to another aspect of the application, the safety island comprises a protection island head, and the protection island head is the protection island head.

In summary, the protective island head provided by the embodiment at least has the following beneficial technical effects: this protection island head not only possesses the energy-absorbing subassembly, and the one end of keeping away from the base tip at the energy-absorbing subassembly has set up flexible energy-absorbing end, the front end of energy-absorbing subassembly has set up the energy-absorbing end promptly, wherein, flexible energy-absorbing end has adopted and has made like the flexible material of rubber etc., compared with the prior art, the protection island head of this application not only can play the energy-absorbing effect through the energy-absorbing subassembly, in order to deal with the great accident of impact, can also play preliminary energy-absorbing effect through flexible energy-absorbing end, especially when dealing with the less accident of impact, if take place to scratch or when low-speed striking, the atress compression deformation absorbing capacity through flexible energy-absorbing end, and combine the speciality of self flexibility, can effectively avoid the damage to the collider vehicle, flexible energy-absorbing end also can bounce simultaneously, resume to the original state, need not to change. The protection island head of this application can be along with the impact strength increase gradually, and orderly deformation energy-absorbing. In the collision process, the functions of 'no damage due to small collision, repairable due to medium collision and replaceable due to large collision' are realized.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (9)

1. A protective island head is characterized by comprising a base and an energy absorption assembly arranged on the base, wherein one end of the energy absorption assembly is connected with the end part of the base, and the other end of the energy absorption assembly is provided with a flexible energy absorption end;

the energy absorption assembly comprises a first energy absorption part and a second energy absorption part, and the first energy absorption part and the second energy absorption part are sequentially arranged along the sliding direction of the energy absorption assembly;

one end of the second energy-absorbing part is connected with the end part of the base, the other end of the second energy-absorbing part is connected with one end of the first energy-absorbing part, and the other end of the first energy-absorbing part is provided with the flexible energy-absorbing end.

2. The protected island head of claim 1, wherein the energy absorber assembly further comprises a sliding portion slidably disposed on the base and connected between the first energy absorber portion and the second energy absorber portion.

3. The protective island head according to claim 2, wherein the base is provided with a sliding rail extending along a sliding direction of the energy absorption assembly, the sliding portion comprises a connecting beam and a sliding column disposed at a bottom of the connecting beam, and a bottom of the sliding column is in sliding fit with the sliding rail.

4. The protective island head of claim 1, wherein the second energy absorption portion comprises at least two energy absorption tubes, and a mounting area is formed between two adjacent energy absorption tubes;

the second energy-absorbing portion further comprises a honeycomb core assembly, the honeycomb core assembly is detachably installed in the installation area, and the honeycomb core assembly is matched with the installation area.

5. The protected island head of claim 4, wherein the honeycomb core assembly comprises a plurality of honeycomb cores arranged in series along a sliding direction of the energy absorber assembly.

6. The protected island head of claim 4, wherein the energy absorber assembly further comprises a sliding portion slidably disposed on the base and connected between the first energy absorber portion and the second energy absorber portion, one end of the energy absorber tube being detachably connected to the base and the other end of the energy absorber tube being detachably connected to the sliding portion, the energy absorber tube comprising a crush bend.

7. The protected island head according to claim 1, wherein the first energy absorbing portion is at least partially comprised of an energy absorbing block having a plurality of cavities disposed therein, the end of the energy absorbing block forming the compliant energy absorbing end.

8. The protective island head according to any one of claims 1 to 7, wherein the base comprises a base plate and a support arranged at the end of the base plate, the base plate is connected to the ground, one end of the energy absorption component is connected with the support, a plurality of reinforcing plates are connected between the base plate and the support, and the plurality of reinforcing plates are arranged at intervals along the width direction of the base plate;

the protective island head further comprises a protective shell, and the protective shell is wrapped outside the base and the energy absorption assembly.

9. A security island comprising a protective island head according to any one of claims 1 to 8.

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