CN212103804U - Transition connection structure for road crash pad - Google Patents
Transition connection structure for road crash pad Download PDFInfo
- Publication number
- CN212103804U CN212103804U CN201922280947.3U CN201922280947U CN212103804U CN 212103804 U CN212103804 U CN 212103804U CN 201922280947 U CN201922280947 U CN 201922280947U CN 212103804 U CN212103804 U CN 212103804U
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- guardrail
- connection structure
- crash pad
- anchor
- transitional coupling
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- 230000007704 transition Effects 0.000 title claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 238000004873 anchoring Methods 0.000 claims description 31
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 206010017577 Gait disturbance Diseases 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a highway crash pad transitional coupling structure, including guardrail, crash pad, connection structure, anchor assembly, the crash pad passes through anchor assembly and road surface anchor is connected, the crash pad includes the deflector that both sides set up, connection structure one end passes through anchor assembly with last festival deflector and is connected, and the overlap joint is inboard at the deflector, connection structure cross section shape is the fixed shape that shaped steel passes through angle or altitude variation and forms, the guardrail includes concrete guardrail, beam column type steel guardrail, wave form roof beam guardrail, the guardrail is connected with the road surface anchor, guardrail end and connection structure hookup location or set up transition wall body. The utility model discloses connection structure connects guardrail and crashproof pad as an organic whole, guarantees the normal protection level of guardrail, remedies transition breach position potential safety hazard, and the very big degree reduces the vehicle and stumbles and hinders; the structure is light and handy, the construction is simple and convenient, save the project cost; the method meets the setting requirements of traffic industry standards on the transition position protection.
Description
Technical Field
The utility model relates to a highway safety protection technical field particularly, relates to a highway crash pad transitional coupling structure.
Background
The road crash pad is a buffer facility arranged at the front end of a barrier at a road traffic diversion position or other positions, and the collision energy is absorbed through self-deformation when a vehicle collides, so that the injury degree of passengers is reduced. The crash pad can be divided into a guidable crash pad and a non-guidable crash pad. The road traffic safety system design specification (JTG/T D81) requires that the buffer gear be in transitional connection with the guardrail behind it. There is the difference of structure highway crash pad and guardrail, consequently need realize smooth-going connection in linking department, otherwise must become a potential safety hazard, inside the vehicle penetrated linking mouth, lead to the vehicle to be penetrated the automobile body or seriously stumble and hinder by the guardrail, but guardrail form and crash pad all have multiple form, consequently how to realize smooth-going transition through transition structure and become the technical key of a research.
The road crash pad mainly absorbs collision energy through self-deformation, and is particularly important for the anchoring force of the end part, so that the end part has higher structural rigidity, and if the road crash pad is not well treated, an out-of-control vehicle is easy to trip and block at the end part; in addition, the guardrail is generally reinforced after being gradually changed according to the slope required by the specification when being close to the end head, if the end head of the guardrail and the end part of the anti-collision pad are not subjected to transition treatment, vehicles with wave-shaped beam guardrail accidents are very easy to be inserted into a vehicle body, vehicles and passengers can be seriously injured if the vehicles with concrete guardrail accidents form serious stumbling resistance; meanwhile, the problems that the design of a connection transition structure of the anti-collision pad and the guardrail is unreasonable, the rigidity of the connection structure is not matched, the strength is weak, the cost is too high and the like exist.
In order to realize the smooth-going transition of guardrail to the crash pad, improve and hand over installation and construction design overall safety nature to make this structure possess and to dismantle the function, to wave form roof beam guardrail, concrete guardrail, beam column type steel guardrail at present stage, provide a highway crash pad transitional coupling structure, when realizing the smooth-going transition of crash pad and guardrail, reduce the wasting of resources and reduce engineering cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a highway crash pad transitional coupling structure. In order to overcome present crashproof pad and guardrail linking transition form protective capacities not enough.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a highway crash pad transitional coupling structure, includes guardrail, crash pad, connection structure, anchor assembly, its characterized in that: the crash pad is connected with the pavement anchor through an anchoring part, the crash pad comprises guide plates arranged on two sides, one end of the connecting structure is connected with the last guide plate through the anchoring part, the connecting structure is overlapped on the inner side of the guide plates, the other end of the connecting structure is connected with the guardrail, the cross section of the connecting structure is in a fixed shape formed by angles or height changes, the guardrail comprises a concrete guardrail or a beam column type steel guardrail or a wave beam guardrail, the guardrail is connected with the pavement anchor, and the end of the guardrail is connected with the connecting structure or provided with a transition wall.
Further, when the anti-collision pad is in transitional connection with the concrete guardrail, the connecting structure is a section steel or a corrugated plate, the concrete guardrail is of a single-piece structure or a double-piece structure, the connecting structure is lapped on the outer side of a collision face of the concrete guardrail through an anchoring piece, and the slope form of the collision face of the concrete guardrail is a single slope face, an F-shaped slope face, a Xinjiang slope face or a reinforced slope face.
Further, when crashproof pad and beam column type steel guardrail transitional coupling, connection structure is shaped steel or wave plate, beam column type steel guardrail is single formula structure or two formula structures, beam column type steel guardrail end sets up the transition wall body with connection structure hookup location, the transition wall body forms wholly or the independent connection with beam column type steel guardrail, connection structure passes through angle or altitude variation and guardrail or the smooth-going transitional coupling of transition wall body, the transition wall body is connected with the road surface anchor, the transition wall body passes through anchor assembly with connection structure and is connected, when beam column type steel guardrail is two formula structures, the transition wall body or setting are in crossbeam button head below.
Further, the transition wall body is connected with the road surface anchor through pile foundation column basis, or the embedded foundation, and the embedded foundation depth is not less than 10cm under being located the road surface, and pile foundation column basis pile foundation column number is not less than 3.
Further, when crashproof pad and wave form roof beam guardrail transitional coupling, connection structure is shaped steel or wave form board, wave form roof beam guardrail is single formula structure or two formula structures, connection structure passes through anchor assembly overlap joint on wave form roof beam guardrail, when wave form roof beam guardrail is two formula bilayer structures, connection structure or setting are in crossbeam button head below.
Further, the connection structure corrugated plate comprises two corrugated beam plates, or three corrugated beam plates, or two-three corrugated beam plates, and the connection structure section steel comprises a rectangular pipe or a steel plate frame.
Further, the crash pad still includes nose, energy-absorbing box, concatenation frame, end frame, guide rail and anchor board, the concatenation frame is connected at the nose back, every section concatenation frame attach energy-absorbing box, concatenation frame one side connection end frame is connected to last energy-absorbing box one side, the guide rail is connected with concatenation frame, end frame, anchor board anchor, the crash pad passes through anchor assembly and anchor board and is connected with the road surface anchor, the deflector overlap joint sets up in concatenation frame, end frame both sides, connection structure sets up between deflector and end frame.
Further, the anchoring part comprises a pre-buried bolt, or a bar-planting bolt, or an expansion bolt, or a connecting bolt, or a splicing bolt.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
(1) the connecting structure connects the guardrail and the anti-collision pad into a whole, so that an integrated design is realized, the normal protection level of the guardrail is ensured, and the potential safety hazard of the position of the transition gap is compensated;
(2) the connecting structure has better connecting capability and protective capability, so that the vehicle stumbling resistance is greatly reduced, and the vehicle is correctly guided out;
(3) the connecting structure is light and handy, the construction is simple and convenient, the construction cycle is short, save the project cost;
(4) the method meets the setting requirements of traffic industry standards on the transition position protection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a transition structure of an anti-collision pad and a three-wave beam guardrail according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a transition structure of an anti-collision pad and a dual-wave beam guardrail in embodiment 2 of the present invention;
fig. 3 is a schematic view of a transition structure of the crash pad and the double-layer corrugated beam guardrail according to embodiment 3 of the present invention;
fig. 4 is a schematic view of a transition structure of the crash pad and the concrete barrier according to embodiment 4 of the present invention;
fig. 5 is a schematic view of a transition structure of the crash pad and the double-width beam column type guardrail according to embodiment 5 of the present invention;
fig. 6 is a schematic view of a transition structure between the crash pad and the single-width beam-column type guardrail according to embodiment 6 of the present invention;
fig. 7 is a schematic perspective view of a crash pad structure according to an embodiment of the present invention.
The figures are labeled as follows:
1. an anti-collision pad; 2. a connecting structure; 3. the guide plate 4, the concrete guardrail 5, the beam column type steel guardrail 6, the wave-shaped beam guardrail 7 and the anchoring piece; 8. a transition wall; 9. the cross beam is round; 10. a pavement; 11. pile foundation column foundations; 12. embedding a foundation; 14. a nose end; 15. an energy absorption box; 16. splicing the frames; 17. an end frame; 18. a guide rail; 19. and (5) anchoring the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1, it is a schematic view of a transition structure between an anti-collision pad and a three-wave beam guardrail according to embodiment 1 of the present invention. The utility model provides a highway crash pad transitional coupling structure, includes guardrail, crash pad 1, connection structure 2, anchor assembly 7, crash pad 1 is connected with road surface 10 anchor through anchor assembly 7, crash pad 1 includes deflector 3 that both sides set up, 2 one end of connection structure is connected through anchor assembly 7 with last section deflector 3, and the overlap joint is in 3 inboards of deflector, 2 other ends of connection structure are connected with the guardrail, 2 cross sectional shape of connection structure are two-three wave beam boards that form through angle or altitude variation, the guardrail is three wave beam guardrail 6, the guardrail is connected with road surface 10 anchor.
The crash pad 1 is in transitional connection with the corrugated beam guardrail 6, the connecting structure 2 is a corrugated plate, the corrugated beam guardrail 6 is of a double-amplitude structure, and the connecting structure 2 is connected to the corrugated beam guardrail 6 in an overlapping mode through anchoring parts 7.
The anchoring part 7 comprises a pre-buried bolt, a bar-planting bolt, an expansion bolt, a connecting bolt and a splicing bolt.
The three-wave-shaped end of the two-three wave-shaped beam plate is connected with the three-wave-shaped beam guardrail, and the double-wave-shaped end of the two-three wave-shaped beam plate is in lap joint with the guide plate 3 of the anti-collision pad 1.
As shown in fig. 2, it is a schematic view of a transition structure of an anti-collision pad and a dual-wave beam guardrail according to embodiment 2 of the present invention. The utility model provides a highway crash pad transitional coupling structure, includes guardrail, crash pad 1, connection structure 2, anchor assembly 7, crash pad 1 is connected with road surface 10 anchor through anchor assembly 7, crash pad 1 includes deflector 3 that both sides set up, 2 one end of connection structure is connected through anchor assembly 7 with last section deflector 3, and the overlap joint is inboard at deflector 3, 2 other ends of connection structure are connected with the guardrail, 2 cross sectional shapes of connection structure are two-three wave beam boards that form through angle or altitude variation, the guardrail is two wave form roof beam guardrails 6, the guardrail is connected with road surface 10 anchor.
The crash pad 1 is in transitional connection with the corrugated beam guardrail 6, the connecting structure 2 is a corrugated plate, the corrugated beam guardrail 6 is of a double-amplitude structure, and the connecting structure 2 is connected to the corrugated beam guardrail 6 in an overlapping mode through anchoring parts 7.
The anchoring part 7 comprises a pre-buried bolt, a bar-planting bolt, an expansion bolt, a connecting bolt and a splicing bolt.
The two-wave-shaped end of the two-three-wave-shaped beam plate is connected with the two-wave-shaped beam guardrail, and the three-wave-shaped end of the two-three-wave-shaped beam plate is in lap joint with the guide plate 3 of the anti-collision pad 1.
As shown in fig. 3, it is a schematic view of a transition structure between the crash pad and the double-layer corrugated beam guardrail in embodiment 3 of the present invention. The utility model provides a highway crash pad transitional coupling structure, includes guardrail, crash pad 1, connection structure 2, anchor assembly 7, crash pad 1 is connected with road surface 10 anchor through anchor assembly 7, crash pad 1 includes deflector 3 that both sides set up, 2 one end of connection structure is connected through anchor assembly 7 with last section deflector 3, and the overlap joint is inboard at deflector 3, 2 other ends of connection structure are connected with the guardrail, 2 cross sectional shapes of connection structure are two-three wave beam boards that form through angle or altitude variation, the guardrail is upper and lower wave form roof beam guardrail 6, the guardrail is connected with road surface 10 anchor.
The crash pad 1 is in transitional connection with the corrugated beam guardrail 6, the connecting structure 2 is a corrugated plate, the corrugated beam guardrail 6 is a double-deck double-wave beam guardrail structure of double-amplitude type, the connecting structure 2 is lapped on the lower-layer corrugated beam guardrail through the anchoring parts 7, and the connecting structure 2 is arranged below the round head 9 of the cross beam.
The anchoring part 7 comprises a pre-buried bolt, a bar-planting bolt, an expansion bolt, a connecting bolt and a splicing bolt.
As shown in fig. 4, it is a schematic view of a transition structure between the crash pad and the concrete guardrail in embodiment 4 of the present invention. The utility model provides a highway crash pad transitional coupling structure, includes guardrail, crash pad 1, connection structure 2, anchor assembly 7, crash pad 1 is connected with the 10 anchors in road surface through anchor assembly 7, crash pad 1 includes deflector 3 that both sides set up, 2 one end of connection structure are connected through anchor assembly 7 with last a section deflector 3, and the overlap joint is inboard at deflector 3, the 2 other ends of connection structure are connected with the guardrail, 2 cross-sectional shape of connection structure are the steel sheet frame that forms through angle or altitude variation, the guardrail is concrete guardrail 4, the guardrail is connected with the 10 anchors in road surface.
The anti-collision cushion is characterized in that the anti-collision cushion 1 is in transitional connection with the concrete guardrail 4, the connecting structure 2 is made of profile steel, the concrete guardrail 4 is of a double-piece structure, the connecting structure 2 is in lap joint with the outer side of the face, facing the collision, of the concrete guardrail 4 through the anchoring part 7, and the slope form of the face, facing the collision, of the concrete guardrail 4 is F-shaped and slope.
The anchoring part 7 comprises a pre-buried bolt, a bar-planting bolt, an expansion bolt, a connecting bolt and a splicing bolt.
As shown in fig. 5, it is a schematic view of a transition structure between the crash pad and the double-width beam-column type guardrail according to embodiment 5 of the present invention. The utility model provides a highway crash pad transitional coupling structure, includes guardrail, crash pad 1, connection structure 2, anchor assembly 7, crash pad 1 is connected with road surface 10 anchor through anchor assembly 7, crash pad 1 includes deflector 3 that both sides set up, 2 one end of connection structure are connected through anchor assembly 7 with last a section deflector 3, and the overlap joint is inboard at deflector 3, the 2 other ends of connection structure are connected with the guardrail, the guardrail is beam column type steel guardrail 5, the guardrail is connected with road surface 10 anchor, 4 ends of guardrail set up transition wall body 8 with 2 hookup locations of connection structure.
The utility model discloses a bridge structure, including anti-collision pad 1, beam column type steel guardrail 5, connection structure 2 and anti-collision pad are connected for three wave form roof beam boards, connection structure 2 is connected for the steel sheet frame with beam column type steel guardrail 5, beam column type steel guardrail 5 is two width of cloth formula structures, 5 ends of beam column type steel guardrail set up transition wall body 8 with 2 hookup locations of connection structure, transition wall body 8 is connected for wholly with beam column type steel guardrail 5, connection structure 2 is through angle or the smooth-going transitional coupling of altitude variation with transition wall body 8, transition wall body 8 is connected with road surface 10 anchor, transition wall body 8 is connected through anchor assembly 7 with connection structure 2, transition wall body 8 or setting are in crossbeam button head 9 below.
The anchoring part 7 comprises a pre-buried bolt, a bar-planting bolt, an expansion bolt, a connecting bolt and a splicing bolt.
As shown in fig. 6, it is a schematic view of a transition structure between the crash pad and the single-width beam-column type guardrail according to embodiment 6 of the present invention. The utility model provides a highway crash pad transitional coupling structure, includes guardrail, crash pad 1, connection structure 2, anchor assembly 7, crash pad 1 is connected with road surface 10 anchor through anchor assembly 7, crash pad 1 includes deflector 3 that both sides set up, 2 one end of connection structure is connected through anchor assembly 7 with last section deflector 3, and the overlap joint is inboard at deflector 3, the 2 other ends of connection structure are connected with the guardrail, the guardrail is beam column type steel guardrail 5, the guardrail is connected with road surface 10 anchor, 4 ends of guardrail set up transition wall body 8 with 2 hookup locations of connection structure.
The anti-collision pad 1 and the 5 transitional coupling of beam column type steel guardrail, connection structure 2 and anti-collision pad are connected and are three wave form beam slabs, connection structure 2 is connected with beam column type steel guardrail 5 and is the steel sheet frame, beam column type steel guardrail 5 is single formula structure, 5 ends of beam column type steel guardrail and 2 hookup location of connection structure set up transition wall body 8, transition wall body 8 is connected for wholly with beam column type steel guardrail 5, connection structure 2 is through angle or altitude variation and guardrail or the smooth-going transitional coupling of transition wall body 8, transition wall body 8 is connected with the anchor in road surface 10, transition wall body 8 is connected through anchor assembly 7 with connection structure 2.
The transition wall body 8 is in anchoring connection with the pavement 10 through or embedded foundations 12, and the depth of the embedded foundations is not less than 10cm below the pavement 10.
The anchoring part 7 comprises a pre-buried bolt, a bar-planting bolt, an expansion bolt, a connecting bolt and a splicing bolt.
As shown in fig. 7, is a schematic perspective view of a crash pad structure according to an embodiment of the present invention. The crash pad 1 further comprises a nose end 14, an energy absorption box 15, a splicing frame 16, an end frame 17, a guide rail 18 and an anchoring plate 19, the splicing frame 16 is connected to the back of the nose end 14, the energy absorption box 15 is connected to each section of the splicing frame 16, one side of the last energy absorption box 15 is connected with one side of the splicing frame 16, the end frame 17 is connected with the end frame 17, the guide rail 18 is connected with the splicing frame 16, the end frame 17 and the anchoring plate 19 in an anchoring mode, the crash pad 1 is connected with the pavement 10 in an anchoring mode through the anchoring part 7 and the anchoring plate 19, the guide plate 3 is in lap joint with the splicing frame 16 and the end frame 17, and the connecting structure 2 is arranged between the guide plate 3 and the end frame.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a highway crash pad transitional coupling structure, includes guardrail, crash pad (1), connection structure (2), anchor assembly (7), its characterized in that: anticollision pad (1) is connected with road surface (10) anchor through anchor assembly (7), anticollision pad (1) is including deflector (3) that both sides set up, connection structure (2) one end is connected through anchor assembly (7) with last section deflector (3), and the overlap joint is inboard at deflector (3), connection structure (2) other end is connected with the guardrail, connection structure (2) cross sectional shape is the fixed shape that forms through angle or altitude variation, the guardrail includes concrete guardrail (4), or beam column type steel guardrail (5), or wave form roof beam guardrail (6), the guardrail is connected with road surface (10) anchor, guardrail (4) end and connection structure (2) hookup location or set up transition wall body (8).
2. The transitional coupling structure of a road crash pad according to claim 1, wherein: when crashproof pad (1) and concrete guardrail (4) transitional coupling, connection structure (2) are shaped steel or corrugated plate, concrete guardrail (4) are monolithic formula structure or biplate formula structure, connection structure (2) pass through anchor assembly (7) overlap joint and meet the face of impact outside at concrete guardrail (4), concrete guardrail (4) meet the domatic form of the face of impact and be single domatic, or F type domatic, or the slope of new jersey, or the strenghthened type is domatic.
3. The transitional coupling structure of a road crash pad according to claim 1, wherein: when crashproof pad (1) and beam column type steel guardrail (5) transitional coupling, connection structure (2) are shaped steel or corrugated plate, beam column type steel guardrail (5) are single formula structure or double-width formula structure, beam column type steel guardrail (5) end sets up transition wall body (8) with connection structure (2) hookup location, transition wall body (8) and beam column type steel guardrail (5) form wholly or be connected alone, connection structure (2) are through angle or altitude variation and guardrail or the smooth-going transitional coupling of transition wall body (8), transition wall body (8) are connected with road surface (10) anchor, transition wall body (8) are connected through anchor assembly (7) with connection structure (2), when beam column type steel guardrail (5) are double-width formula structure, transition wall body (8) or setting are in crossbeam button head (9) below.
4. The transitional coupling structure of a road crash pad according to claim 3, wherein: transition wall body (8) are connected with road surface (10) anchor through pile foundation stand foundation (11), or built-in basis (12), and the built-in basis degree of depth is located and is no less than 10cm under road surface (10), and pile foundation stand foundation (11) pile foundation stand number is no less than 3.
5. The transitional coupling structure of a road crash pad according to claim 1, wherein: when crashproof pad (1) and wave form roof beam guardrail (6) transitional coupling, connection structure (2) are shaped steel or wave form board, wave form roof beam guardrail (6) are single formula structure or two formula structures, connection structure (2) are through anchor assembly (7) overlap joint on wave form roof beam guardrail (6), when wave form roof beam guardrail (6) are two formula bilayer structure, connection structure (2) or setting are in crossbeam button head (9) below.
6. The transitional coupling structure of a road crash pad according to claim 5, wherein: the corrugated plates of the connecting structure (2) comprise two corrugated beam plates, or three corrugated beam plates, or two-three corrugated beam plates, and the section steel of the connecting structure (2) comprises a rectangular pipe or a steel plate frame.
7. The transitional coupling structure of a road crash pad according to claim 1, wherein: the crash pad (1) also comprises a nose end (14), an energy absorption box (15), a splicing frame (16), an end frame (17), a guide rail (18) and an anchoring plate (19), the back of the nose end (14) is connected with a splicing frame (16), each section of splicing frame (16) is connected with an energy absorption box (15), one side of the last energy absorption box (15) is connected with one side of the splicing frame (16) and is connected with the end frame (17), the guide rail (18) is connected with the splicing frame (16), the end frame (17) and the anchoring plate (19) in an anchoring way, the crash pad (1) is connected with the road surface (10) in an anchoring way through an anchoring piece (7) and an anchoring plate (19), the guide plates (3) are overlapped and arranged at two sides of the splicing frame (16) and the end frame (17), the connecting structure (2) is arranged between the guide plate (3) and the end frame (17).
8. The transitional coupling structure of a road crash pad according to claim 1, wherein: the anchoring piece (7) comprises an embedded bolt, an embedded bar bolt, an expansion bolt, a connecting bolt or a splicing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922280947.3U CN212103804U (en) | 2019-12-18 | 2019-12-18 | Transition connection structure for road crash pad |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922280947.3U CN212103804U (en) | 2019-12-18 | 2019-12-18 | Transition connection structure for road crash pad |
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| CN212103804U true CN212103804U (en) | 2020-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233592A (en) * | 2022-06-20 | 2022-10-25 | 交通运输部公路科学研究所 | A guardrail end structure and construction method |
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2019
- 2019-12-18 CN CN201922280947.3U patent/CN212103804U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233592A (en) * | 2022-06-20 | 2022-10-25 | 交通运输部公路科学研究所 | A guardrail end structure and construction method |
| CN115233592B (en) * | 2022-06-20 | 2024-03-26 | 交通运输部公路科学研究所 | Guardrail end structure and construction method |
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Effective date of registration: 20240929 Address after: Room 602, Building 13, No.1 Chaoqian Road, Changping District Science and Technology Park, Beijing 102200 Patentee after: Beijing Luluda Transportation Facilities Co.,Ltd. Country or region after: China Address before: 100071 No.3 Haiying Road, Fengtai District, Beijing Patentee before: BEIJING HUALUAN TRAFFIC TECHNOLOGY Co.,Ltd. Country or region before: China |