CN115492027A - Asphalt road partition fence for preventing large-area dumping - Google Patents

Asphalt road partition fence for preventing large-area dumping Download PDF

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Publication number
CN115492027A
CN115492027A CN202211074994.2A CN202211074994A CN115492027A CN 115492027 A CN115492027 A CN 115492027A CN 202211074994 A CN202211074994 A CN 202211074994A CN 115492027 A CN115492027 A CN 115492027A
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CN
China
Prior art keywords
base
square
metal
pipe
asphalt road
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Granted
Application number
CN202211074994.2A
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Chinese (zh)
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CN115492027B (en
Inventor
求海月
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Magpie Cloud Zhejiang Digital Technology Co ltd
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Magpie Cloud Zhejiang Digital Technology Co ltd
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Priority to CN202211074994.2A priority Critical patent/CN115492027B/en
Publication of CN115492027A publication Critical patent/CN115492027A/en
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Publication of CN115492027B publication Critical patent/CN115492027B/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The invention discloses an asphalt road partition fence for preventing large-area dumping, wherein when the asphalt road partition fence is installed, a base and square vertical pipes are installed firstly, then four cylindrical heads at two ends of a partition frame are respectively placed in embedded grooves of placing seats corresponding to the two square vertical pipes, and then an elastic mechanism drives a clamping seat to be clamped on the cylindrical heads for fixing; the relative shelf and the upright post are fixed by bolts in a traditional fixing mode, so that the mounting is convenient; when the vehicle striking is received at pitch road partition fence simultaneously, the cylinder head produces the effort to the grip slipper, orders about elastic mechanism and grip slipper and removes the centre gripping to the cylinder head to realize that single spacer that receives the striking can empty and drop, can not influence adjacent shelf, finally have the effect that prevents to appear empting by a large scale when receiving the vehicle striking.

Description

Asphalt road partition fence for preventing large-area dumping
Technical Field
The invention relates to the field of asphalt road facilities, in particular to an asphalt road partition fence capable of preventing large-area dumping.
Background
Asphalt road separating barriers are usually arranged on asphalt roads to prevent the influence on the passing or potential safety hazards caused when vehicles enter or exit in the reverse direction and prevent pedestrians from crossing the roads. The structure of the asphalt road separation fence comprises a plurality of bases which are arranged side by side and used for being fixed on a road surface, square vertical pipes arranged on the bases, and a plurality of separation frames connected between the adjacent square vertical pipes. The base is fixed on the pavement through the screws, but because the fixing effect of the screws and the pavement is poor, and the firmness of the upright posts inserted on the base is poor, when the asphalt road partition fence is impacted by a vehicle, the asphalt road partition fence is easy to topple over in a large area, so that the defects exist in the use process.
Disclosure of Invention
The invention aims to provide an asphalt road partition fence capable of preventing large-area dumping, which has the function of preventing large-area dumping when being impacted by a vehicle.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a prevent bituminous paving partition fence that large tracts of land was emptyd, includes a plurality of bases that set up side by side and be used for fixing on the road surface, sets up square riser on the base, a plurality of connection separates the frame between adjacent square riser, separate the frame and include two horizontal poles that distribute from top to bottom, a plurality of montants that set up between two horizontal poles, the horizontal pole tip is provided with the cylinder head, square riser both sides correspond cylinder head department and are provided with the seat of shelving that has the embedded groove that supplies the latter half embedding of cylinder head, the articulated holder that has the centre gripping groove that is used for pressing from both sides tight at the top of cylinder head that is provided with of cylinder head department that corresponds in square riser both sides, be provided with the elastic mechanism who orders about the centre gripping seat and press from both sides tight at the top of cylinder head between square riser and four centre gripping seats.
The invention is further provided with: the utility model discloses a clamping device, including square riser, spring mechanism, metal pole, linkage block, top cap, metal pole, connecting piece, link block, the square riser both sides correspond grip slipper department and are provided with the through-hole, be provided with the turning block that passes the through-hole on the grip slipper, spring mechanism sets up including setting up on the base and be located square riser's tubular metal resonator, lower extreme grafting setting at the tubular metal resonator, set up at the tubular metal resonator lower extreme and be used for supporting the compression spring tight in the tubular metal resonator bottom, a plurality of an organic whole set up in the tubular metal resonator both sides and be used for supporting the linkage block tight at the turning block lower surface under the compression spring effect the metal pole rotates the in-process, the linkage block can pass the space between the turning block of two corresponding grip slipper, square riser top cap can be dismantled and be provided with the top cap, be provided with spacing metal pole pivoted spacing subassembly between top cap and the metal pole.
The invention is further provided with: the limiting assembly comprises a square limiting pipe arranged on the top cover, and a square limiting rod which is integrally arranged at the top of the metal rod and the upper end of the metal rod is arranged in the square limiting pipe in a telescopic mode, and the top cover is fixedly connected to the square vertical pipe through a plurality of bolts.
The invention is further provided with: the metal pipe is characterized in that a mounting hole for the metal pipe to pass through is formed in the position, corresponding to the metal pipe, of the lower surface of the base, a circular sheet is arranged at the lower end of the metal pipe, and a concave groove is formed in the position, corresponding to the circular sheet, of the lower surface of the base.
The invention is further configured as follows: the lower extreme week of square riser is provided with the square piece of contradicting at the base upper surface, the region that the base lower surface corresponds square piece is provided with the ring channel, be provided with between circular piece and the base and pass a plurality of fixing bolt that enter into in the ring channel behind square piece, the base, fixing bolt's lower extreme threaded connection has fixation nut.
The invention is further configured as follows: the base dog-ear is provided with the counter bore, the base passes through expansion bolts to be fixed on the pitch road, the base lower surface is provided with the first notes gluey groove of intercommunication counter bore and ring channel, be provided with the second notes gluey groove of intercommunication ring channel and depressed groove on the base lower surface in the base installation, to a plurality of pour into the bituminous paving pouring sealant into in the counter bore.
In conclusion, the invention has the following beneficial effects:
1. when the asphalt road partition fence is installed, the base and the square vertical pipes are installed firstly, then the four cylindrical heads at the two ends of the partition frame are placed in the embedded grooves of the placing seats corresponding to the two square vertical pipes respectively, and then the elastic mechanism drives the clamping seat to be clamped on the cylindrical heads for fixing; the relative shelf and the upright post are fixed by bolts in a traditional fixing mode, so that the mounting is convenient; meanwhile, when the asphalt road partition fence receives vehicle impact, the cylindrical head generates acting force on the clamping seat to drive the elastic mechanism and the clamping seat to release the clamping of the cylindrical head, so that a single impacted partition frame can topple and fall off, adjacent shelves cannot be influenced, and the asphalt road partition fence has the function of preventing large-area toppling when being impacted by a vehicle;
2. when the elastic mechanism is installed, the lower end of the metal rod and the compression springs at the lower end of the metal rod are embedded in the metal pipe, and the linkage blocks on the metal rod are enabled to avoid the rotating blocks of the clamping seat in the downward pressing movement process by rotating the metal rod, and then the corresponding linkage blocks are enabled to be tightly abutted against the lower surface of the rotating blocks of the clamping seat under the action of the compression springs by rotating the metal rod, so that the clamping seat is driven to clamp the cylindrical head of the spacer; meanwhile, the limiting component between the top cover and the metal rod can limit the metal rod to rotate, so that the linkage block and the rotating block are prevented from being separated; meanwhile, when the metal rod moves downwards to overcome the elasticity of the spring, the linkage block can also be positioned above the rotating block to realize downward pressing, so that the clamping seat is driven to rotate after force is not required to be applied to the clamping seat during the installation of the shelf, and the aim of convenient installation is fulfilled;
3. a through hole for the metal pipe to pass through is formed in the position, corresponding to the metal pipe, of the lower surface of the base, a circular sheet is arranged at the lower end of the metal pipe, a concave groove is formed in the position, corresponding to the circular sheet, of the lower surface of the base, and therefore the mounting stability of the metal pipe can be improved;
4. the periphery of the lower end of the square vertical pipe is provided with a square sheet which is abutted against the upper surface of the base, the lower surface of the base is provided with an annular groove corresponding to the area of the square sheet, a plurality of fixing bolts which penetrate through the square sheet and the base and then enter the annular groove are arranged between the circular sheet and the base, and the lower ends of the fixing bolts are in threaded connection with fixing nuts; the installation stability of the square vertical pipe can be improved;
5. the base dog-ear is provided with the counter bore, and the base passes through expansion bolts to be fixed on the pitch road, and lower surface of the base is provided with the first notes gluey groove of intercommunication counter bore and ring channel, is provided with the second notes gluey groove of intercommunication ring channel and depressed groove on the lower surface of the base, and in the pedestal mounting process, it is a plurality of the downthehole injection bituminous paving cementation of fissures of counter bore. (ii) a At the moment, when the base is fixed on the asphalt road through the expansion bolts, the asphalt pavement crack pouring glue can be injected to adhere between the base and the asphalt road, so that the mounting stability of the base is improved; meanwhile, the asphalt pavement crack pouring glue can flow and be filled along with the counter bore, the first glue injection groove, the annular groove, the second glue injection groove and the concave groove, so that the bonding firmness of the base and the asphalt pavement is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial schematic of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3, in which the spacer is forced to open the clamp;
FIG. 5 is a schematic view of a portion of the present invention showing the mounting shelf with the clamping base opened during mounting;
FIG. 6 is an exploded view of the structure of the base, the direction riser and the elastic mechanism;
fig. 7 is a schematic structural view of the base of the present invention.
Reference numerals are as follows: 1. a base; 11. mounting holes; 12. a recessed groove; 13. an annular groove; 14. countersinking; 15. a first glue injection groove; 16. a second glue injection groove; 2. a square riser; 21. a through hole; 22. a square piece; 3. a separation frame; 31. a cross bar; 32. a vertical rod; 33. a cylindrical head; 4. a resting seat; 41. embedding the groove; 5. A clamping seat; 51. rotating the block; 6. an elastic mechanism; 61. a metal tube; 611. a circular sheet; 62. a metal rod; 63. a compression spring; 64. a linkage block; 7. a top cover; 8. a limiting component; 81. a square limit tube; 82. a square limiting rod; 91. fixing the bolt; 91. and (5) fixing the nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): the utility model provides an asphalt road fence that prevents large tracts of land and empty, as shown in figure 1, includes a plurality of base 1 that set up side by side and be used for fixing on the road surface, set up square riser 2 on base 1, a plurality of connections are at a distance from frame 3 between adjacent square riser 2, separate frame 3 and include two horizontal poles 31 that distribute from top to bottom, a plurality of montants 32 that set up between two horizontal poles 31.
As shown in fig. 1 to 3, a cylinder head 33 is integrally provided at an end of the cross bar 31, a placing seat 4 having an embedding groove 41 for embedding a lower half portion of the cylinder head 33 is provided at each side of the square riser 2 corresponding to the cylinder head 33, a clamping seat 5 having a clamping groove for clamping the top portion of the cylinder head 33 is hinged at each side of the square riser 2 corresponding to the cylinder head 33, and an elastic mechanism for urging the clamping seat 5 to clamp the top portion of the cylinder head 33 is provided between the square riser 2 and the four clamping seats 5.
As shown in fig. 2 and 5, through holes 21 are formed in two sides of the square vertical pipe 2 corresponding to the clamping base 5, and a rotating block 51 penetrating through the through holes 21 is arranged on the clamping base 5. The elastic mechanism comprises a metal pipe 61 arranged on the base 1 and positioned in the square stand pipe 2, a metal rod 62 with the lower end inserted into the metal pipe 61, a compression spring 63 arranged at the lower end of the metal rod 62 and used for abutting against the bottom of the metal pipe 61, and a plurality of linkage blocks 64 integrally arranged on two sides of the metal rod 62 and used for abutting against the lower surface of the rotating block 51 under the action of the compression spring 63. In the rotating process of the metal rod 62, the linkage block 64 can pass through the space between the rotating blocks 51 of the two corresponding clamping seats 5, the top cover 7 is detachably arranged at the top of the square vertical pipe 2, and the limiting component 8 for limiting the rotation of the metal rod 62 is arranged between the top cover 7 and the metal rod 62.
As shown in fig. 3, 6 and 7, a mounting hole 11 for the metal tube 61 to pass through is formed in the lower surface of the base 1 corresponding to the metal tube 61, a circular plate 611 is formed at the lower end of the metal tube 61, the lower end of the compression spring 63 abuts against the circular plate 611, and a concave groove 12 is formed in the lower surface of the base 1 corresponding to the circular plate 611. The circumference of the lower end of the square vertical pipe 2 is provided with a square sheet 22 which is abutted against the upper surface of the base 1, the lower surface of the base 1 is provided with an annular groove 13 corresponding to the area of the square sheet 22, a plurality of fixing bolts 91 which penetrate through the square sheet 22 and the base 1 and enter the annular groove 13 are arranged between the annular sheet and the base 1, and the lower ends of the fixing bolts 91 are in threaded connection with fixing nuts 92.
As shown in fig. 3 and 6, the limiting assembly 8 includes a square limiting pipe 81 disposed on the top cover 7, and a square limiting rod 82 integrally disposed on the top of the metal rod 62 and having an upper end disposed in the square limiting pipe 81 in a telescopic manner, and the top cover 7 is fixedly connected to the square vertical pipe 2 through a plurality of bolts.
As shown in fig. 7, a countersunk hole 14 is formed at a break angle of the base 1, the base 1 is fixed on an asphalt road through an expansion bolt, a first glue injection groove 15 communicated with the countersunk hole 14 and the annular groove 13 is formed in the lower surface of the base 1, a second glue injection groove 16 communicated with the annular groove 13 and the depressed groove 12 is formed in the lower surface of the base 1, and asphalt pavement pouring glue is injected into the plurality of countersunk holes 14 in the installation process of the base 1.
The implementation effect is as follows: when the asphalt road partition fence is installed, the base 1 and the square stand pipes 2 are installed firstly, then the four cylindrical heads 33 at the two ends of the partition frame 3 are placed in the embedded grooves 41 of the placing seats 4 corresponding to the two square stand pipes 2 respectively, and then the elastic mechanism drives the clamping seat 5 to be clamped on the cylindrical heads 33 for fixing; the relative shelf and the upright post are fixed by bolts in a traditional fixing mode, so that the mounting is convenient; when the vehicle striking is received at pitch road fence, the cylinder head 33 produces the effort to holder 5 simultaneously, orders about elastic mechanism and holder 5 and removes the centre gripping to cylinder head 33 to realize that single spacer 3 that receives the striking can topple over and drop, can not influence adjacent shelf, finally has the effect that prevents to appear toppling over by a large scale when receiving the vehicle striking.
When the elastic mechanism is installed, the compression springs 63 at the lower ends of the metal rods 62 and the lower ends of the metal rods 62 are embedded in the metal tube 61, and the linkage blocks 64 on the metal rods 62 are enabled to avoid the rotating blocks 51 of the clamping seat 5 in the downward pressing movement process by rotating the metal rods 62, and then the corresponding linkage blocks 64 are enabled to be tightly abutted against the lower surfaces of the rotating blocks 51 of the clamping seat 5 under the action of the compression springs 63 by rotating the metal rods 62, so that the clamping seat 5 is driven to clamp the cylindrical head 33 of the spacer 3; meanwhile, the limiting assembly 8 between the top cover 7 and the metal rod 62 can limit the metal rod 62 to rotate, so that the linkage block 64 and the rotating block 51 are prevented from being separated.
The through hole 21 for the metal pipe 61 to pass through is arranged at the position of the lower surface of the base 1 corresponding to the metal pipe 61, the round piece 611 is arranged at the lower end of the metal pipe 61, the concave groove 12 is arranged at the position of the lower surface of the base 1 corresponding to the round piece 611, and the installation stability of the metal pipe 61 can be improved at the moment. The periphery of the lower end of the square vertical pipe 2 is provided with a square sheet 22 which is abutted against the upper surface of the base 1, the lower surface of the base 1 is provided with an annular groove 13 corresponding to the area of the square sheet 22, a plurality of fixing bolts 91 which penetrate through the square sheet 22 and the base 1 and enter the annular groove 13 are arranged between the circular sheet 611 and the base 1, and the lower ends of the fixing bolts 91 are in threaded connection with fixing nuts 92; the stability of the installation of the square risers 2 can now be improved. The dog-ear of base 1 is provided with counter bore 14, and base 1 passes through expansion bolts to be fixed on asphalt road, and base 1 lower surface is provided with the first glue injection groove 15 of intercommunication counter bore 14 and ring channel 13, is provided with the second glue injection groove 16 of intercommunication ring channel 13 and depressed groove 12 on the base 1 lower surface, and in the base 1 installation, it is a plurality of to pour into bituminous paving pouring sealant in the counter bore 14. (ii) a At the moment, when the base 1 is fixed on the asphalt road through the expansion bolts, the asphalt pavement crack pouring glue can be injected to adhere between the base 1 and the asphalt road, so that the installation stability of the base 1 is improved; meanwhile, the asphalt pavement crack pouring glue can be filled along with the flowing of the counter bore 14, the first glue injection groove 15, the annular groove 13, the second glue injection groove 16 and the concave groove 12, so that the bonding firmness of the base 1 and an asphalt road is improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims (6)

1. The utility model provides a prevent bituminous paving isolated column that large tracts of land was emptyd, includes that a plurality of side by side set up and are used for fixing base (1) on the road surface, square riser (2) of setting on base (1), a plurality of connections separate frame (3) between adjacent square riser (2), separate frame (3) including horizontal pole (31) that two distribute from top to bottom, a plurality of montant (32) of setting between two horizontal poles (31), its characterized in that: the clamping device is characterized in that a cylindrical head (33) is arranged at the end part of the cross rod (31), a placing seat (4) with an embedded groove (41) for embedding the lower half part of the cylindrical head (33) is arranged at the position, corresponding to the cylindrical head (33), of each of the two sides of the square vertical pipe (2), a clamping seat (5) with a clamping groove for clamping the top part of the cylindrical head (33) is hinged to the position, corresponding to the cylindrical head (33), of each of the two sides of the square vertical pipe (2), and an elastic mechanism for driving the clamping seat (5) to clamp the top part of the cylindrical head (33) is arranged between the square vertical pipe (2) and the four clamping seats (5).
2. The asphalt road fence as claimed in claim 1, wherein the asphalt road fence is used for preventing large area dumping, and comprises: the square vertical pipe is characterized in that through holes (21) are formed in the two sides of the square vertical pipe (2) corresponding to the clamping seats (5), rotating blocks (51) penetrating through the through holes (21) are arranged on the clamping seats (5), the elastic mechanism comprises a metal pipe (61) arranged on the base (1) and located in the square vertical pipe (2), a metal rod (62) arranged in the metal pipe (61) in an inserting mode at the lower end of the metal pipe, a compression spring (63) arranged at the lower end of the metal rod (62) and used for abutting against the bottom of the metal pipe (61), and a plurality of linkage blocks (64) which are integrally arranged on the two sides of the metal rod (62) and used for abutting against the lower surface of the rotating blocks (51) under the action of the compression spring (63), wherein in the rotating process of the metal rod (62), the linkage blocks (64) can penetrate through the space between the rotating blocks (51) of the two corresponding clamping seats (5), a top cover (7) can be detachably arranged at the top of the square vertical pipe (2), and a limiting component (8) for limiting the rotation of the metal rod (62) is arranged between the top cover (7) and the metal rod (62).
3. An asphalt road partition fence preventing a large area from dumping as claimed in claim 2, wherein: spacing subassembly (8) including setting up square spacing pipe (81), the integrative square gag lever post (82) that sets up in square spacing pipe (81) at metal pole (62) top and upper end are flexible, top cap (7) are through a plurality of bolt fixed connection on square riser (2).
4. An asphalt road partition fence preventing a large area from dumping as claimed in claim 2, wherein: the metal pipe heat exchanger is characterized in that a mounting hole (11) for the metal pipe (61) to penetrate through is formed in the position, corresponding to the metal pipe (61), of the lower surface of the base (1), a circular sheet (611) is arranged at the lower end of the metal pipe (61), and a concave groove (12) is formed in the position, corresponding to the circular sheet (611), of the lower surface of the base (1).
5. An asphalt road partition fence preventing a large area from dumping as claimed in claim 4, wherein: the lower extreme week of square riser (2) is provided with square piece (22) of contradicting at base (1) upper surface, the region that base (1) lower surface corresponds square piece (22) is provided with ring channel (13), be provided with between circular piece (611) and base (1) and pass square piece (22), base (1) back and enter into a plurality of fixing bolt (91) in ring channel (13), the lower extreme threaded connection of fixing bolt (91) has fixation nut (92).
6. An asphalt road partition fence preventing a large area from dumping as claimed in claim 5, wherein: base (1) dog-ear department is provided with counter bore (14), base (1) is fixed on the pitch road through expansion bolts, base (1) lower surface is provided with first glue injection groove (15) of intercommunication counter bore (14) and ring channel (13), be provided with second glue injection groove (16) of intercommunication ring channel (13) and depressed groove (12) on base (1) lower surface base (1) installation in, to a plurality of inject bituminous paving pouring sealant in counter bore (14).
CN202211074994.2A 2022-09-02 2022-09-02 Asphalt road partition fence capable of preventing large-area dumping Active CN115492027B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211074994.2A CN115492027B (en) 2022-09-02 2022-09-02 Asphalt road partition fence capable of preventing large-area dumping

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Application Number Priority Date Filing Date Title
CN202211074994.2A CN115492027B (en) 2022-09-02 2022-09-02 Asphalt road partition fence capable of preventing large-area dumping

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CN115492027A true CN115492027A (en) 2022-12-20
CN115492027B CN115492027B (en) 2023-11-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58143070A (en) * 1982-02-19 1983-08-25 東伸製鋼株式会社 Clamping of barrel flange of fence
CN209040031U (en) * 2018-10-25 2019-06-28 安徽恒通交通工程有限公司 A kind of isolation guardrail of road center
CN212670413U (en) * 2020-06-05 2021-03-09 陈箫笛 Protective device for slope engineering
CN113356110A (en) * 2021-05-28 2021-09-07 喜鹊传媒股份有限公司 Partition fence of adaptation arc road
CN214497302U (en) * 2021-01-29 2021-10-26 天津市欣然市政工程有限公司 Road guardrail
CN215562192U (en) * 2021-09-14 2022-01-18 涡阳县星航护栏有限公司 Fastening device for mounting highway guardrail

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58143070A (en) * 1982-02-19 1983-08-25 東伸製鋼株式会社 Clamping of barrel flange of fence
CN209040031U (en) * 2018-10-25 2019-06-28 安徽恒通交通工程有限公司 A kind of isolation guardrail of road center
CN212670413U (en) * 2020-06-05 2021-03-09 陈箫笛 Protective device for slope engineering
CN214497302U (en) * 2021-01-29 2021-10-26 天津市欣然市政工程有限公司 Road guardrail
CN113356110A (en) * 2021-05-28 2021-09-07 喜鹊传媒股份有限公司 Partition fence of adaptation arc road
CN215562192U (en) * 2021-09-14 2022-01-18 涡阳县星航护栏有限公司 Fastening device for mounting highway guardrail

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