CN111501587A - Protection island head frame and protection island head - Google Patents
Protection island head frame and protection island head Download PDFInfo
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- CN111501587A CN111501587A CN202010334705.2A CN202010334705A CN111501587A CN 111501587 A CN111501587 A CN 111501587A CN 202010334705 A CN202010334705 A CN 202010334705A CN 111501587 A CN111501587 A CN 111501587A
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- Prior art keywords
- cover plate
- island head
- inner cover
- energy absorbing
- head frame
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
- E01F1/005—Portable or movable traffic-area platforms or islands, e.g. portable loading islands, retractable platforms for traffic-directing officer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The application provides a protective island head frame which comprises an outer cover plate and an inner cover plate, wherein the outer cover plate is of a cambered surface structure and is used for being connected with one end part of a first energy absorbing element; a protective island head is also provided, comprising a protective island head frame. This application can be with the impact force guide from a plurality of position to first energy absorbing element through cambered surface structure's outer shroud to outer shroud can be through self the crumple deformation absorb the partial energy that the impact force produced, and the inner shroud that has a plurality of through-holes can be according to the radian of island head basic outline adjustment self, make the inner shroud laminate better and install on island head basis, thereby solved effectively that the protection island head is diversified to absorb energy the performance poor, be difficult to with original island head basic compatible technical problem.
Description
Technical Field
The application belongs to the technical field of buffering energy-absorbing devices, and more particularly relates to a protection island head frame and a protection island head.
Background
In the field of traffic protection, a safety island is a place which is arranged at a cross intersection of a road and is used for pedestrians to stay at the cross intersection when crossing the street. And a protection device is arranged in the safety island area, so that the safety of pedestrians in the island can be protected.
At present, the corners of the safety island are generally provided with island heads with a protection function, but the existing protection island heads basically adopt a directional rigid stopping mode to prevent an accident vehicle from rushing into the safety island, have poor buffer performance, are easy to cause serious injury to lives and properties of drivers and passengers of the accident vehicle, and are difficult to repair once the protection island heads are damaged and need to be integrally replaced. Some have appeared on the market at present and have had protection island head that cushions the energy-absorbing function, however, the diversified energy-absorbing performance of these protection island heads is poor, is difficult to with original island head basis (cement mound etc.) compatibility, need demolish original island head basis before installing these protection island heads, waste time and energy, very inconvenient.
Disclosure of Invention
An object of the application is to provide a protection island head frame and protection island head, including but not limited to solving the diversified energy-absorbing performance of protection island head poor, be difficult to with the compatible technical problem of original island head basis.
In order to achieve the above object, the present application provides a protective island head frame comprising:
the outer cover plate is of a cambered surface structure and is used for being connected with one end part of the first energy absorbing element; and
the inner cover plate is arranged on the inner side of the outer cover plate at intervals, the distance between the inner cover plate and the outer cover plate is equal to the integral multiple of the width of the first energy absorbing element, the inner cover plate is used for being connected to the other end of the first energy absorbing element and connected with the island head foundation, a plurality of through holes are formed in the inner cover plate and are distributed along the length direction of the inner cover plate at intervals.
Optionally, the protective island head frame further comprises:
and the connecting cable is connected to the end part of the outer cover plate and the end part of the inner cover plate corresponding to the end part of the outer cover plate.
Optionally, the protective island head frame further comprises:
and the left end and the right end of the mounting seat are respectively connected with the two opposite end parts of the inner cover plate and are used for connecting the island head foundation.
Optionally, the mount includes:
the fixing plate is used for being connected with the inner cover plate and the island head foundation; and
and the supporting plate is fixed on the inner surface, close to the inner cover plate, of the fixing plate and is used for being abutted against the second energy absorbing element.
Optionally, an installation groove is formed in the end portion of the inner cover plate.
Optionally, the protective island head frame further comprises a connecting pin and a first connecting piece, the first connecting piece is used for being connected to the left side and the right side of the end of the first energy absorbing element, and a pin lug for the connecting pin to penetrate through is arranged on the first connecting piece; and the edges of the upper side and the lower side of the outer cover plate are respectively provided with a first mounting flange extending towards the inner cover plate, and the first mounting flange is provided with a plurality of pairs of first mounting holes for the connection pins to penetrate through.
Optionally, the upper and lower edges of the inner shroud are respectively formed with a second mounting flange extending toward the outer shroud, and the second mounting flange is provided with a plurality of pairs of second mounting holes for the connecting pins to pass through.
Optionally, a plurality of openings are formed in the second mounting flange, and the openings are distributed between the pair of second mounting holes.
Optionally, the protective island head frame further comprises:
and the second connecting piece is used for connecting the two first energy absorbing elements.
The application also provides a protection island head, including above-mentioned protection island head frame and a plurality of first energy absorbing component, it is a plurality of first energy absorbing component connect respectively in the outer cover plate with between the inner cover plate.
The application provides a protection island head frame and protection island head's beneficial effect lies in: the outer housing plate through the cambered surface structure can be from the impact force guide first energy absorbing element in a plurality of position, absorb the energy that the impact force produced with the help of first energy absorbing element, and the outer housing plate can be through the crumple deformation absorption impact force partial energy that self produces, and the inner housing plate that has a plurality of through-holes can be according to the radian of island head basic outline adjustment self, make the inner housing plate laminate better and install on island head basis, thereby it is poor to have solved the diversified energy-absorbing performance of protection island head effectively, be difficult to with the compatible technical problem of original island head basis, be favorable to promoting the barrier propterty of protection island head, the repacking degree of difficulty of safety island head has been reduced, the installation effectiveness of protection island head has been improved.
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 perspective view of a protective island head according to an embodiment of the present disclosure;
fig. 2 is a schematic perspective view of a protective island head according to another embodiment of the present application;
fig. 3 is a schematic perspective view of an outer cover plate of a protective island head frame according to an embodiment of the present disclosure;
fig. 4 is a schematic perspective view of an inner cover plate of the protective island head frame according to the embodiment of the present application;
fig. 5 is a schematic perspective view of a mounting seat of a protective island head frame according to an embodiment of the present application;
FIG. 6 is an enlarged view of portion A of FIG. 1;
fig. 7 is a perspective view of a first connector of the protective island head frame according to the embodiment of the present disclosure;
fig. 8 is a perspective view of a second connector of the protective island head frame according to the embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
1-protecting the island head;
10-a protective island head frame, 11-an outer cover plate, 12-an inner cover plate, 13-a connecting cable, 14-a mounting seat, 15-a connecting pin, 16-a first connecting piece, 17-a second connecting piece, 18-a cover plate, 111-a first mounting flange, 112-a containing groove, 121-a through hole, 122-a second mounting flange, 123-a mounting groove, 141-a fixing plate, 142-a supporting plate, 160-a pin lug, 1110-a first mounting hole, 1221-a second mounting hole, 1222-a notch, 1410-a first lightening hole, 1411-a main body, 1412-a bending part and 1420-a second lightening hole;
20-a first energy absorbing element;
30 — a second energy absorber element.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
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 should be noted 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 or indirectly connected to the other element. The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience of description only and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and therefore are not to be construed as limiting the patent, the particular meaning of which terms will be understood by those skilled in the art as appropriate. 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. The term "plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, the protective island head frame 10 provided by the present application includes an outer cover plate 11 and an inner cover plate 12, wherein the outer cover plate 11 is a cambered structure and is used for connecting with one end of a first energy absorbing element 20, and can receive impact from a foreign object; inner shroud 12 interval sets up the inboard at outer shroud 11, and the interval between inner shroud 12 and the outer shroud 11 equals the integral multiple of the width of first energy absorbing element 20, it can be understood that, the width of first energy absorbing element 20 means the distance between two installation wall external surfaces of the relative distribution of first energy absorbing element 20, here inner shroud 12 is used for connecting on another tip of first energy absorbing element 20 and is connected with the basis of island head, it can be understood that, the basis of island head is cylindric generally, oval column form or semicylindrical cement mound, inner shroud 12 can wrap up the part on the basis of island head, make the internal surface of inner shroud 12 hug closely on the external surface on the basis of island head, here inner shroud 12 has seted up a plurality of through-holes 121, a plurality of through-holes 121 along the length direction interval distribution of inner shroud 12.
In this application, through-hole 121 is preferably the chamfer rectangular hole, and a plurality of through-holes 121 can weaken the rigidity of inner shroud 12 effectively, the radian of the inner shroud 12 of being convenient for adjust for when protection island head frame 10 installs, inner shroud 12 has certain tolerance performance, can paste better on the surface of island head basis, thereby has reduced the preparation required precision and the cost of manufacture of inner shroud 12, is favorable to improving the installation effectiveness of protection island head frame 10.
When the protective island head 1 needs to be installed, firstly, a plurality of first energy absorbing elements 20 or first energy absorbing element groups (formed by connecting a plurality of first energy absorbing elements 20 in sequence along a straight line) are uniformly connected on the inner surface of the outer cover plate 11, each or every several first energy absorbing elements 20 are arranged along the radial direction of the outer cover plate 11, then, the inner cover plate 12 is connected on one end, far away from the outer cover plate 11, of the first energy absorbing elements 20 or the first energy absorbing element groups, so that a complete protective island head 1 is formed, then, the inner cover plate 12 is covered on the island head foundation, then, the inner cover plate 12 is fixed on the island head foundation through fasteners such as bolts, and the integral installation of the protective island head 1 can be completed.
The application provides a protection island head frame 10, outer housing plate 11 and the cooperation of inner cover plate 12 have been adopted, outer housing plate 11 through ARC structure can be with the impact force guide from a plurality of position to first energy absorbing element 20, absorb the energy that the impact force produced with the help of first energy absorbing element 20, and outer housing plate 11 can be through the partial energy that the crumple deformation absorption impact force produced of self, and inner cover plate 12 that has a plurality of through-holes 121 can be according to the radian of island head basic outline adjustment self, make inner cover plate 12 laminate better and install on island head basis, thereby solved effectively and protected the diversified energy-absorbing performance of island head poor, be difficult to with the compatible technical problem in original island head basis, be favorable to promoting the barrier propterty of protection island head 1, the repacking degree of difficulty of safety island head has been reduced, the installation effectiveness of protection island head 1 has been improved.
Optionally, referring to fig. 2, as an embodiment of the island head frame provided by the present application, the island head frame 10 further includes a connecting cable 13, and the connecting cable 13 is connected to an end of the outer cover plate 11 and an end of the inner cover plate 12 corresponding to the end of the outer cover plate 11. Specifically, the connecting cable 13 is a steel wire rope or a chain, one end of the connecting cable 13 is connected with one end of the outer cover plate 11, the other end of the connecting cable 13 is connected with one end of the inner cover plate 12, the end portion of the outer cover plate 11 and the end portion of the inner cover plate 12 which are connected to the two opposite ends of the same connecting cable 13 are located on the same side of the island head foundation, and two or more connecting cables 13 can be connected between the end portion of the outer cover plate 11 and the end portion of the inner cover plate 12 which are located on the same side of the island head foundation according to specific working conditions and requirements, so that the stability of connection between the outer cover plate 11 and the inner cover plate 12 is. Since the end of the outer housing plate 11 and the end of the inner housing plate 12 are flexibly connected by the connecting cable 13, not rigidly connected, the outer housing plate 11 is not damaged by the inner housing plate 12 when being impacted.
Optionally, referring to fig. 5, as a specific embodiment of the island head frame provided by the present application, the island head frame 10 further includes a mounting seat 14, and left and right ends of the mounting seat 14 are respectively connected with two opposite ends of the inner cover plate 12 for connecting the island head base. In particular, the island head basis here is a non-cylindrical or non-elliptical cylindrical cement pier having at least one mounting plane, to which the mounting 14 can be attached by means of fasteners such as bolts, and the mounting 14 and the inner skin 12 can enclose a receiving region which can be filled with the second energy absorber element 30. Thus, even if the shape of the inner cover plate 12 cannot match the outer contour of the island foundation, the protective island 1 can be easily mounted on the island foundation through the mounting seat 14, thereby effectively expanding the application range of the protective island frame 10.
Alternatively, referring to fig. 5, as an embodiment of the protective island head frame provided by the present application, the mounting seat 14 includes a fixing plate 141 and a supporting plate 142, wherein the fixing plate 141 is used for connecting with the inner cover plate 12 and the island head base, and the supporting plate 142 is fixed on the inner surface of the fixing plate 141 close to the inner cover plate 12 for abutting against the second energy-absorbing element 30. Specifically, the fixing plate 141 includes a main body 1411 and two bending portions 1412, wherein the main body 1411 is tightly attached to the mounting plane of the island head base, the two bending portions 1412 are respectively fastened to two opposite ends of the inner cover plate 12, the two bending portions 1412 are respectively bent outward from the edges of the left and right sides of the main body 1411 and extend, and mounting holes for bolts to penetrate are respectively formed in the two ends of the main body 1411 and the bending portions 1412, the supporting plate 142 is a bending plate, the supporting plate 142 is convexly disposed at the middle of the inner surface of the main body 1411, which is close to the inner cover plate 12, and the left and right ends of the supporting plate 142 are respectively fixed on the inner surface of the main body 1411 by means of screw connection or welding. When the protection island head 1 is installed, the installation seat 14 can be fixed on an installation plane of the island head foundation in the installation hole screwed in the island head foundation through the bolt penetrating through the main body 1411, then the installation hole penetrating through the bent part 1412 and the end part of the inner cover plate 12 are connected with the nut in a threaded mode to fasten the installation seat 14 and the inner cover plate 12, then the second energy absorption element 30 is plugged into the accommodation area formed by the installation seat 14 and the inner cover plate 12, the installation of the protection island head 1 can be completed, the rapid dismounting of the protection island head 1 can be realized, and the construction of operators is facilitated. In addition, a first lightening hole 1410 is formed in the middle of the main body 1411 of the fixing plate 141, and a second lightening hole 1420 is formed in the middle of the supporting plate 142, so that the weight of the mounting seat 14 can be effectively reduced, and the difficulty of transportation and construction can be reduced.
Optionally, referring to fig. 4 and fig. 6, as an embodiment of the island head frame provided by the present application, an installation groove 123 is formed on an end portion of the inner cover plate 12. Specifically, the mounting groove 123 is a U-shaped groove extending inward from the end edge of the inner cover plate 12, and the mounting groove 123 may be opened at a position corresponding to the mounting hole of the bent portion 1412 of the fixing plate 141, so that the protective island head frame 10 may be fixed to the island head base by screwing a bolt into the island head base through the mounting groove 123, or the inner cover plate 12 may be fastened to the mounting seat 14 by screwing a bolt into the mounting hole of the mounting groove 123 and the corresponding bent portion 1412. Because the mounting groove 123 has certain degree of depth, can provide certain tolerance allowance for inner shroud 12 promptly for the installation of protection island head frame 10 is more convenient, has reduced the degree of difficulty of construction.
Optionally, referring to fig. 3, fig. 6 and fig. 7, as an embodiment of the island head frame provided by the present application, the island head frame 10 further includes a connecting pin 15 and a first connecting member 16, wherein the first connecting member 16 is configured to be connected to left and right sides of an end portion of the first energy absorbing element 20, a pin ear 160 for the connecting pin 15 to penetrate through is disposed on the first connecting member 16, meanwhile, first mounting flanges 111 extending toward the inner cover plate 12 are respectively formed on edges of upper and lower sides of the outer cover plate 11, and a plurality of pairs of first mounting holes 1110 for the connecting pin 15 to penetrate through are disposed on the first mounting flanges 111. Specifically, a receiving groove 112 is formed on the inner surface of the outer cover plate 11, the two first mounting flanges 111 are two opposite groove walls of the receiving groove 112, the end portion of the first energy absorbing member 20 can be received in the receiving groove 112, one first connecting member 16 is respectively fastened to the left and right sides of the end portion of the first energy absorbing member 20, the pin ears 160 of the first connecting members 16 are arranged in the vertical direction, and each pair of first mounting holes 1110 corresponds to the two first connecting members 16 at the end portion of one first energy absorbing member 20. When the protection island head 1 is assembled, firstly, the end part of the first energy absorbing element 20 and the two first connecting pieces 16 fixed at the left side and the right side of the end part of the first energy absorbing element 20 extend into the containing groove 112, and then the first energy absorbing element 20 and the outer cover plate 11 can be connected only by arranging the connecting pin 15 in the first mounting holes 1110 of the two first mounting flanges 111 at the upper side and the lower side of the outer cover plate 11 and the corresponding pin lug 160 in a penetrating manner, so that the protection island head 1 is simple in assembly operation, convenient and fast, and the assembly efficiency of the protection island head 1 is effectively improved.
Optionally, referring to fig. 4, as an embodiment of the protective island frame provided by the present application, second mounting flanges 122 extending toward the outer cover plate 11 are respectively formed on upper and lower side edges of the inner cover plate 12, and a plurality of pairs of second mounting holes 1221 for the connection pins 15 to pass through are formed on the second mounting flanges 122. Specifically, each pair of second mounting holes 1221 corresponds to two first connectors 16 at the end of one first energy absorbing element 20, when the protective island head 1 is assembled, firstly, the end of the first energy absorbing element 20 and the two first connectors 16 fixed at the left and right sides of the end of the first energy absorbing element 20 extend into the space between the two second mounting flanges 122 at the upper and lower sides of the inner cover plate 12, and then, the connection of the first energy absorbing element 20 and the inner cover plate 12 can be completed only by inserting the connecting pin 15 into the second mounting holes 1221 of the two second mounting flanges 122 and the corresponding pin ears 160, so that the protective island head 1 is simple in assembly operation, convenient and fast, and the assembly efficiency of the protective island head 1 is effectively improved.
Optionally, referring to fig. 4, as an embodiment of the protective island head frame provided by the present application, a plurality of gaps 1222 are opened on the second mounting flange 122, and the gaps 1222 are distributed between a pair of second mounting holes 1221. This is advantageous for reducing the traction strength of the second mounting flange 122 to the inner housing plate 12, facilitating the adjustment of the radian of the inner housing plate 12, and ensuring that the inner housing plate 12 has a certain tolerance when the protective island head frame 10 is mounted, and can be better attached to the outer surface of the island head base.
Optionally, referring to fig. 6 and 8, as an embodiment of the island head frame provided by the present application, the island head frame 10 further includes a second connector 17, and the second connector 17 is used for connecting to the two first energy absorbing elements 20. Namely, on the same first energy absorbing element group, two adjacent first energy absorbing elements 20 are tightly connected through the second connecting piece 17. Specifically, the cross section of the second connector 17 is in a V shape, two wings of the V shape are matched with the side walls of the first energy absorbing elements 20, and are fixedly connected with the side walls of the first energy absorbing elements 20 through screws or rivets, so that the two first energy absorbing elements 20 can be quickly connected together through the second connector 17, and the assembly efficiency of the protective island head 1 is improved.
Referring to fig. 1 and 2, the present application further provides a protective island head 1, which includes the above-mentioned protective island head frame 10 and a plurality of first energy absorbing elements 20, wherein the plurality of first energy absorbing elements 20 are respectively connected between an outer cover plate 11 and an inner cover plate 12.
The application provides a protection island head 1, protection island head frame 10 and the cooperation of first energy absorbing element 20 have been adopted, outer cover plate 11 through ARC structure can be with the impact force guide from a plurality of position to first energy absorbing element 20, absorb the energy that the impact force produced with the help of first energy absorbing element 20, and outer cover plate 11 can be through the partial energy that the shrink deformation absorption impact force produced of self, and the inner cover plate 12 that has a plurality of through-holes 121 can be according to the radian of island head basic outline adjustment self, make inner cover plate 12 laminate better and install on island head basis, thereby it is poor effectively to have solved the diversified energy-absorbing performance of protection island head, be difficult to with the compatible technical problem in original island head basis, be favorable to promoting the barrier propterty of protection island head 1, the repacking degree of difficulty of safety island head has been reduced, the installation effectiveness of protection island head 1 has been improved.
In the present application, the protective island head frame 10 may further include a cover plate 18, the cover plate 18 covers the space between the front cover plate 11 and the back cover plate 12 and is located on the top side of the first energy absorbing element 20, the first energy absorbing element 20 and the second energy absorbing element 30 include a honeycomb structure, and both the protective island head frame 10 and the honeycomb structure are made of a metal material, so that the outer cover plate 11 and the cover plate 18 can not only wrap the first energy absorbing element 20 to be protected from being damaged and eroded by external environmental factors, but also provide a small amount of energy absorbing force, and the honeycomb structure made of the metal material has a large compression ratio (the compression ratio can reach 75%) by itself, thereby ensuring that the protective island head 1 has a good energy absorbing effect.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. Protection island head frame, its characterized in that: the method comprises the following steps:
the outer cover plate is of a cambered surface structure and is used for being connected with one end part of the first energy absorbing element; and
the inner cover plate is arranged on the inner side of the outer cover plate at intervals, the distance between the inner cover plate and the outer cover plate is equal to the integral multiple of the width of the first energy absorbing element, the inner cover plate is used for being connected to the other end of the first energy absorbing element and connected with the island head foundation, a plurality of through holes are formed in the inner cover plate and are distributed along the length direction of the inner cover plate at intervals.
2. The shielded island head frame of claim 1 wherein: further comprising:
and the connecting cable is connected to the end part of the outer cover plate and the end part of the inner cover plate corresponding to the end part of the outer cover plate.
3. The protected island head frame of claim 1 or 2, wherein: further comprising:
and the left end and the right end of the mounting seat are respectively connected with the two opposite end parts of the inner cover plate and are used for connecting the island head foundation.
4. The shielded island head frame of claim 3 wherein: the mount pad includes:
the fixing plate is used for being connected with the inner cover plate and the island head foundation; and
and the supporting plate is fixed on the inner surface, close to the inner cover plate, of the fixing plate and is used for being abutted against the second energy absorbing element.
5. The protected island head frame of claim 1 or 2, wherein: the end part of the inner cover plate is provided with an installation groove.
6. The protected island head frame of claim 1 or 2, wherein: the energy absorption device also comprises a connecting pin and a first connecting piece, wherein the first connecting piece is used for being connected to the left side and the right side of the end part of the first energy absorption element, and a pin lug for the connecting pin to penetrate through is arranged on the first connecting piece; and the edges of the upper side and the lower side of the outer cover plate are respectively provided with a first mounting flange extending towards the inner cover plate, and the first mounting flange is provided with a plurality of pairs of first mounting holes for the connection pins to penetrate through.
7. The shielded island head frame of claim 6, wherein: and second mounting flanges extending towards the outer cover plate are respectively formed on the edges of the upper side and the lower side of the inner cover plate, and a plurality of pairs of second mounting holes for the connection pins to penetrate are formed in the second mounting flanges.
8. The shielded island head frame of claim 7 wherein: a plurality of openings are formed in the second mounting flange, and the openings are distributed between the pair of second mounting holes.
9. The shielded island head frame of claim 6, wherein: further comprising:
and the second connecting piece is used for connecting the two first energy absorbing elements.
10. Protection island head, its characterized in that: the protective island head frame of any one of claims 1 to 9 comprising a plurality of first energy absorbing members and a plurality of said first energy absorbing members are respectively connected between said outer cover plate and said inner cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010334705.2A CN111501587B (en) | 2020-04-24 | 2020-04-24 | Protection island head frame and protection island head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010334705.2A CN111501587B (en) | 2020-04-24 | 2020-04-24 | Protection island head frame and protection island head |
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| CN111501587A true CN111501587A (en) | 2020-08-07 |
| CN111501587B CN111501587B (en) | 2021-12-24 |
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