CN111305119A - Foldable retarding device of anticollision barrier tip - Google Patents
Foldable retarding device of anticollision barrier tip Download PDFInfo
- Publication number
- CN111305119A CN111305119A CN202010251141.6A CN202010251141A CN111305119A CN 111305119 A CN111305119 A CN 111305119A CN 202010251141 A CN202010251141 A CN 202010251141A CN 111305119 A CN111305119 A CN 111305119A
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- Prior art keywords
- guardrail
- rail
- block
- shaft
- railing
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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
-
- 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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the technical field of vehicle traffic, in particular to a foldable retarding device for an end part of an anti-collision guardrail, which comprises a ground rail, a plurality of guardrail rails, an X-shaped supporting rod and a guardrail cross rod, wherein each guardrail rail comprises an upper hollow guardrail, a lower hollow guardrail, an extension spring, an upper pulley, a lower pulley and an inserting device, the upper guardrail is arranged at the upper side of the lower guardrail, an upper connecting block is arranged at the top end inside the upper guardrail, a lower connecting block is arranged at the bottom end inside the lower guardrail, the upper end of the extension spring is fixedly connected onto the upper connecting block, the lower end of the extension spring is fixedly connected onto the lower connecting block, the upper pulley is arranged at the top end of the upper guardrail, the lower pulley is arranged at the bottom of the lower guardrail, the inserting device is arranged between the upper guardrail and the lower guardrail, when the end part of the device is collided, the upper guardrail is separated from the lower guardrail after being stressed, and then the resistance reflects in the backward movement of guardrail railing to reach the mesh that slows down the speed of a motor vehicle.
Description
Technical Field
The invention relates to the technical field of vehicle traffic, in particular to a foldable retarding device at the end part of an anti-collision guardrail.
Background
The end part of a guardrail is collided with by the front face of a vehicle in some accidents in the current traffic accidents due to improper driving, the guardrail directly penetrates or tears the vehicle into two halves to cause serious damage, although the condition is avoided by a method of outwards bending the starting part of a part of roadside guardrail at the current, the effect is not ideal, the guardrail positioned at the center of a road has no way to adopt the structure, hidden dangers still exist, and the condition is avoided by a guardrail end part device which can slow down the vehicle speed and cannot penetrate or tear the vehicle.
Disclosure of Invention
In order to solve the problems, the invention provides a foldable retarding device for the end part of an anti-collision guardrail.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a foldable retarder in anticollision barrier tip which characterized in that: the guardrail comprises a ground rail, a plurality of guardrail rails, X-shaped supporting rods and guardrail cross rods, wherein each guardrail rail comprises an upper rail, a lower rail, an extension spring, an upper pulley, a lower pulley and an inserting device, the upper rail is arranged on the upper side of the lower rail, an upper connecting block is arranged at the inner top end of the upper rail, a lower connecting block is arranged at the inner bottom end of the lower rail, the upper end of the extension spring is fixedly connected onto the upper connecting block, the lower end of the extension spring is fixedly connected onto the lower connecting block, the upper pulley is arranged at the top end of the upper rail, the lower pulley is arranged at the bottom of the lower rail, and the inserting device is arranged between the upper rail and the lower rail;
the top of the left side of the upper railing is provided with a first shaft hole block, the bottom of the left side of the lower railing is provided with a second shaft hole block, the right side surface of the upper railing is provided with a third shaft hole block, and the bottom of the right side of the lower railing is provided with a fourth shaft hole block;
the X-shaped strut comprises a first diagonal strut and a second diagonal strut, the first diagonal strut and the second diagonal strut are connected through a rotating shaft arranged in the middle, the upper end and the lower end of the first diagonal strut are respectively provided with a first shaft block and a second shaft block, and the upper end and the lower end of the second diagonal strut are respectively provided with a third shaft block and a fourth shaft block; the first shaft block is arranged on a third shaft hole block of the left guardrail rail through a pin shaft, the second shaft block is arranged on a second shaft hole block of the right guardrail rail through a pin shaft, the third shaft block is arranged on the first shaft hole block of the right guardrail rail through a pin shaft, and the fourth shaft block is arranged on a fourth shaft hole block of the left guardrail rail through a pin shaft;
the lower part of the ground rail is arranged below the ground, the upper side surface of the ground rail is higher than the ground, and a lower sliding rail is arranged on the ground rail; the guardrail cross rod is arranged on the upper side of the guardrail rail, the guardrail cross rod is provided with an upper sliding rail, the upper sliding wheel is arranged in the upper sliding rail, and the lower sliding wheel is arranged in the lower sliding rail.
Preferably, the grafting device including establish the last grafting piece of going up the railing bottom and establish the lower grafting piece at railing top down, the downside of going up the grafting piece be equipped with a plurality of grafting round pins, lower grafting piece on be equipped with a plurality of grafting pinhole that run through from top to bottom, the grafting round pin the same with the quantity in grafting pinhole.
Preferably, the height of the guardrail bars is gradually reduced from left to right until the height of the guardrail bars on the right side is the same after 5 th to 7 th guardrail bars are formed.
Preferably, the end of the guardrail cross bar is provided with a section of upwarping part, the rear side of the upwarping part is also provided with a clockwise bending part, and the upwarping part and the bending part are not internally provided with an upper sliding rail.
Preferably, the upper surface of the ground rail is 3-10 cm higher than the ground.
Preferably, the lengths of the first diagonal brace and the second diagonal brace of the X-shaped strut between any two adjacent guardrail rails of the guardrail rails with different heights are the same.
The whole beneficial effect of this scheme is: when the end part of the device is collided, each guardrail rail is stressed to move, in the process, the upper guardrail rail is separated from the lower guardrail rail after each guardrail rail is stressed, the extension spring is stretched, the X-shaped support rod is deformed to generate resistance under the action of elasticity, and finally the resistance is reflected on the guardrail rail at the leftmost end to provide acting force in the opposite direction for the automobile, so that the aim of slowing down the automobile speed is fulfilled; when the guardrail cross rod of the device is impacted, the guardrail cross rod can be jacked to the roof of a vehicle due to the upwarp part of the guardrail cross rod, an included angle is formed between the guardrail cross rod and the ground, the end part of the guardrail cross rod loses the supporting length and is longer and longer along with the continuous backward movement of each guardrail rail, if the vehicle is a small-sized vehicle, the whole vehicle body can completely penetrate into the lower side of the guardrail cross rod, and the vehicle can continuously penetrate into the included angle in the inertial advancing process due to the included angle formed between the guardrail cross rod and the ground, and the vehicle can greatly reduce the speed of the vehicle due to the resistance force applied to the vehicle; therefore, the device can effectively and gradually reduce the speed of the vehicle by double speed reduction of the vehicle, and prevent the vehicle from being directly penetrated or torn due to overlarge elasticity when the vehicle is just in contact with the vehicle.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the guardrail structure of the invention.
Figure 3 is a cutaway schematic view of the guardrail of the present invention.
FIG. 4 is a schematic view of the present invention showing the X-shaped strut pressing against the guardrail rails to separate the upper and lower rails upon impact.
Figure 5 is a schematic front view of the upper and lower rails of the present invention with the spring extended.
FIG. 6 is a schematic view of an X-shaped strut according to the present invention.
FIG. 7 is a cross-sectional view of the ground rail of the present invention.
Figure 8 is a schematic view of the cross-sectional end configuration of the barrier rail of the present invention.
The guardrail comprises a ground rail 1, a ground rail 2, guardrail rails, 3, X-shaped supporting rods 4, a guardrail cross bar 101, a lower sliding rail 201, an upper rail 202, a lower rail 203, a tension spring 204, an upper sliding wheel 205, a lower sliding wheel 206, an inserting device 207, an upper connecting block 208, a lower connecting block 209, a first shaft hole block 210, a second shaft hole block 211, a third shaft hole block 212, a fourth shaft hole block 213, an upper inserting block 214, a lower inserting block 215, an inserting pin 216, an inserting pin hole 301, a first inclined strut, 302, a second inclined strut, 303, a rotating shaft 304, a first shaft block 305, a second shaft block 306, a third shaft block 307, a fourth shaft block 401, an upper sliding rail 402, an upper tilted part 403 and a bent part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the embodiment shown in fig. 1, the foldable retarder at the end part of the crash barrier comprises a ground rail 1, a plurality of barrier railings 2, an X-shaped strut 3 and a barrier cross bar 4, the guardrail rail 2 comprises an upper rail 201 with a hollow inside, a lower rail 202 with a hollow inside, a tension spring 203, an upper pulley 204, a lower pulley 205 and a plug-in device 206, the upper railing 201 is arranged at the upper side of the lower railing 202, the top end of the inner part of the upper railing 201 is provided with an upper connecting block 207, the lower connecting block 208 is arranged at the bottom end of the inner part of the lower railing 202, the upper end of the extension spring 203 is fixedly connected with the upper connecting block 207, the lower end of the extension spring 203 is fixedly connected with the lower connecting block 208, the upper pulley 204 is arranged at the top end of the upper railing 201, the lower pulley 205 is arranged at the bottom of the lower railing 202, and the inserting device 206 is arranged between the upper railing 201 and the lower railing 202;
a first shaft hole block 209 is arranged at the top of the left side of the upper railing 201, a second shaft hole block 210 is arranged at the bottom of the left side of the lower railing 202, a third shaft hole block 211 is arranged on the right side surface of the upper railing 201, and a fourth shaft hole block 212 is arranged at the bottom of the right side of the lower railing 202;
the X-shaped strut 3 comprises a first inclined strut 301 and a second inclined strut 302, the first inclined strut 301 and the second inclined strut 302 are connected through a rotating shaft 303 arranged in the middle, the upper end and the lower end of the first inclined strut 301 are respectively provided with a first shaft block 304 and a second shaft block 305, and the upper end and the lower end of the second inclined strut 302 are respectively provided with a third shaft block 306 and a fourth shaft block 307; the first shaft block 304 is mounted on the third shaft hole block 211 of the left guardrail rail 2 through a pin shaft, the second shaft block 305 is mounted on the second shaft hole block 210 of the right guardrail rail 2 through a pin shaft, the third shaft block 306 is mounted on the first shaft hole block 209 of the right guardrail rail 2 through a pin shaft, and the fourth shaft block 307 is mounted on the fourth shaft hole block 212 of the left guardrail rail 2 through a pin shaft;
the lower part of the ground rail 1 is arranged below the ground, the upper side surface of the ground rail 1 is higher than the ground, and the ground rail 1 is provided with a lower sliding rail 101; guardrail horizontal pole 4 establish the upside at guardrail railing 2, guardrail horizontal pole 4 on be equipped with slide rail 401, last slide rail 401 of installation of last slide rail 204, lower pulley 205 install in lower slide rail 101.
As shown in fig. 4, in order to connect the upper rail 201 and the lower rail 201 in a normal state, the lower rail 202 supports the upper rail 201 and can be quickly separated when being impacted, the inserting device 206 includes an upper inserting block 213 disposed at the bottom end of the upper rail 201 and a lower inserting block 214 disposed at the top of the lower rail 202, a plurality of inserting pins 215 are disposed at the lower side of the upper inserting block 213, a plurality of inserting pin holes 216 penetrating vertically are disposed on the lower inserting block 214, and the number of the inserting pins 215 is the same as that of the inserting pin holes 216.
As shown in fig. 1, in order to enable the guardrail cross bar 4 to extend to the top of a vehicle and form an included angle with the ground when impact occurs, so as to realize the deceleration of the vehicle, the heights of the guardrail rails 2 are sequentially decreased from left to right until the heights of the guardrail rails 2 on the right side are the same after 5 th to 7 th guardrail rails 2; the guardrail cross rod 4 adopts the better aluminium matter of wantonly or aluminum alloy product, prevents that the condition that the guardrail cross rod inserted the vehicle from taking place when the oversize vehicle from colliding, and the guardrail cross rod is the softer metal of texture, can be hit the bending and prevent to injure personnel.
As shown in fig. 8, in order to realize the upwarp state of the guardrail cross bar 4 during a collision, a section of upwarp part 402 is arranged at the end of the guardrail cross bar 4, a clockwise bending part 403 is further arranged at the rear side of the upwarp part 402, and the upwarp part 402 and the bending part 403 are not internally provided with the upper slide rail 401.
In order to prevent soil from filling the lower sliding rail 101 and obstructing the movement of the lower pulley 205, the upper surface of the ground rail 1 is 3-10 cm higher than the ground.
The guardrail posts 2 with different heights, the X-shaped support rods 3 between any two adjacent guardrail posts 2 have the same length of the first inclined support rod 301 or the second inclined support rod 302, and because the heights of the guardrail posts 2 are different, when the guardrail posts 2 are supported, the heights are required to be consistent, so that the smooth movement of the upper pulley 204 in the upper slide rail 401 is ensured, all the lengths of the first inclined support rods 301 and the second inclined support rods 302 are required to be consistent, and only in this way, the heights when the X-shaped support rods 3 are supported are the same, so that the final heights after the guardrail posts 2 are stretched are consistent.
The using method comprises the following steps: the device is used for being arranged at the end part of a common road guardrail, and preventing the damage caused by the frontal collision of the automobile;
main speed reduction: as shown in fig. 1, when a collision occurs, the front end of the automobile first contacts with the leftmost guardrail bar 2, the leftmost guardrail bar 2 pushes rightwards, under the transmission of the thrust of each stage of guardrail bar 2 and X-shaped strut 3, the guardrail bar 2 of the whole device moves rightwards at the same time, at this time, the X-shaped strut 3 supports upwards, so that the guardrail bar 2 on the right side of the X-shaped strut 3 extends, the upper railing 201 is separated from the lower railing 202, the tension spring 203 generates elastic force to hinder deformation, the opposite acting force is finally transmitted back to the leftmost guardrail bar 2 to generate opposite acting force on the automobile, because the elastic force is continuous and the speed of the automobile is continuously reduced, the gradual deceleration effect on the automobile can be realized, and finally the guardrail bar 2 cannot penetrate or tear the automobile, so as to prevent casualties;
auxiliary deceleration: as shown in fig. 1, constantly move right when guardrail bar 2, because several guardrail bar 2 of leftmost end are high highly, guardrail cross bar 4 also has upwarp part 402, so move along with guardrail bar 2, guardrail cross bar 4 is continued upwards perk by the higher guardrail bar 2 extrusion in left side, when the car bores into guardrail cross bar 4's below, because guardrail cross bar 4 has the contained angle with ground, so the vehicle constantly bores into in this contained angle at the in-process that inertia gos forward, and the resistance that the vehicle received also can slow down the speed of vehicle by a wide margin, form supplementary effect of slowing down.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, and any suitable changes or modifications of the crash barrier end folding retarder according to the claims of the present invention and those of ordinary skill in the art should fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a foldable retarder in anticollision barrier tip which characterized in that: the guardrail comprises a ground rail, a plurality of guardrail rails, X-shaped supporting rods and guardrail cross rods, wherein each guardrail rail comprises an upper rail, a lower rail, an extension spring, an upper pulley, a lower pulley and an inserting device, the upper rail is arranged on the upper side of the lower rail, an upper connecting block is arranged at the inner top end of the upper rail, a lower connecting block is arranged at the inner bottom end of the lower rail, the upper end of the extension spring is fixedly connected onto the upper connecting block, the lower end of the extension spring is fixedly connected onto the lower connecting block, the upper pulley is arranged at the top end of the upper rail, the lower pulley is arranged at the bottom of the lower rail, and the inserting device is arranged between the upper rail and the lower rail;
the top of the left side of the upper railing is provided with a first shaft hole block, the bottom of the left side of the lower railing is provided with a second shaft hole block, the right side surface of the upper railing is provided with a third shaft hole block, and the bottom of the right side of the lower railing is provided with a fourth shaft hole block;
the X-shaped strut comprises a first diagonal strut and a second diagonal strut, the first diagonal strut and the second diagonal strut are connected through a rotating shaft arranged in the middle, the upper end and the lower end of the first diagonal strut are respectively provided with a first shaft block and a second shaft block, and the upper end and the lower end of the second diagonal strut are respectively provided with a third shaft block and a fourth shaft block; the first shaft block is arranged on a third shaft hole block of the left guardrail rail through a pin shaft, the second shaft block is arranged on a second shaft hole block of the right guardrail rail through a pin shaft, the third shaft block is arranged on the first shaft hole block of the right guardrail rail through a pin shaft, and the fourth shaft block is arranged on a fourth shaft hole block of the left guardrail rail through a pin shaft;
the lower part of the ground rail is arranged below the ground, the upper side surface of the ground rail is higher than the ground, and a lower sliding rail is arranged on the ground rail; the guardrail cross rod is arranged on the upper side of the guardrail rail, the guardrail cross rod is provided with an upper sliding rail, the upper sliding wheel is arranged in the upper sliding rail, and the lower sliding wheel is arranged in the lower sliding rail.
2. The foldable retarder of crash barrier end of claim 1, wherein: the grafting device including establish the last grafting piece of going up railing bottom and establish the lower grafting piece at railing top down, the downside of going up the grafting piece be equipped with a plurality of grafting round pins, lower grafting piece on be equipped with a plurality of grafting pinholes that run through from top to bottom, the grafting round pin the same with the quantity in grafting pinhole.
3. The foldable retarder of crash barrier end of claim 1, wherein: the height of guardrail railing from a left side to a right side decreases progressively in proper order, and after 5 ~ 7 guardrail railing, the height of the guardrail railing on right side is the same.
4. The foldable retarder of crash barrier end of claim 1, wherein: the guardrail comprises a guardrail cross bar and is characterized in that a section of upwarping part is arranged at the end part of the guardrail cross bar, a clockwise bending part is further arranged on the rear side of the upwarping part, and an upper sliding rail is not arranged inside the upwarping part and the bending part.
5. The foldable retarder of crash barrier end of claim 1, wherein: the upper surface of the ground rail is 3-10 cm higher than the ground.
6. A crash barrier end collapsible retarder according to any one of claims 1 or 3 in which: the guardrail rails with different heights are characterized in that X-shaped supporting rods between any two adjacent guardrail rails are equal in length of the first inclined supporting rod or the second inclined supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251141.6A CN111305119B (en) | 2020-04-01 | 2020-04-01 | Foldable retarding device of anticollision barrier tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251141.6A CN111305119B (en) | 2020-04-01 | 2020-04-01 | Foldable retarding device of anticollision barrier tip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111305119A true CN111305119A (en) | 2020-06-19 |
| CN111305119B CN111305119B (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010251141.6A Expired - Fee Related CN111305119B (en) | 2020-04-01 | 2020-04-01 | Foldable retarding device of anticollision barrier tip |
Country Status (1)
| Country | Link |
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| CN (1) | CN111305119B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201649005U (en) * | 2009-12-23 | 2010-11-24 | 孔凡富 | Anti-collision movable rail |
| CN203049964U (en) * | 2013-01-25 | 2013-07-10 | 陈仲勤 | Foldable guardrail |
| CN203846860U (en) * | 2014-05-05 | 2014-09-24 | 镇江英沙电器有限公司 | Mobile and telescopic fence |
| CN204960499U (en) * | 2015-08-24 | 2016-01-13 | 宋国丰 | High pressure transformer case rail guard |
| CN206581186U (en) * | 2017-02-09 | 2017-10-24 | 惠安德尔美机械有限公司 | A kind of town road isolated column |
| CN206800274U (en) * | 2017-01-05 | 2017-12-26 | 张正一 | The interim safety barrier of highway |
| KR20180066446A (en) * | 2016-12-09 | 2018-06-19 | 주식회사 온길 | Crash cushion apparatus for guard rail end terminal |
| CN207891789U (en) * | 2018-01-22 | 2018-09-21 | 呼和浩特市政工程设计研究院有限公司 | A kind of plug-type guardrail of town road |
| KR101973755B1 (en) * | 2018-08-28 | 2019-04-29 | 권숙희 | A Road Guardrail with Solar device between a Supporting stand |
| CN110552300A (en) * | 2019-08-16 | 2019-12-10 | 吉林建筑科技学院 | Anticollision barrier with buffer function |
-
2020
- 2020-04-01 CN CN202010251141.6A patent/CN111305119B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201649005U (en) * | 2009-12-23 | 2010-11-24 | 孔凡富 | Anti-collision movable rail |
| CN203049964U (en) * | 2013-01-25 | 2013-07-10 | 陈仲勤 | Foldable guardrail |
| CN203846860U (en) * | 2014-05-05 | 2014-09-24 | 镇江英沙电器有限公司 | Mobile and telescopic fence |
| CN204960499U (en) * | 2015-08-24 | 2016-01-13 | 宋国丰 | High pressure transformer case rail guard |
| KR20180066446A (en) * | 2016-12-09 | 2018-06-19 | 주식회사 온길 | Crash cushion apparatus for guard rail end terminal |
| CN206800274U (en) * | 2017-01-05 | 2017-12-26 | 张正一 | The interim safety barrier of highway |
| CN206581186U (en) * | 2017-02-09 | 2017-10-24 | 惠安德尔美机械有限公司 | A kind of town road isolated column |
| CN207891789U (en) * | 2018-01-22 | 2018-09-21 | 呼和浩特市政工程设计研究院有限公司 | A kind of plug-type guardrail of town road |
| KR101973755B1 (en) * | 2018-08-28 | 2019-04-29 | 권숙희 | A Road Guardrail with Solar device between a Supporting stand |
| CN110552300A (en) * | 2019-08-16 | 2019-12-10 | 吉林建筑科技学院 | Anticollision barrier with buffer function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111305119B (en) | 2021-11-30 |
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Effective date of registration: 20211104 Address after: 415000 No. 9 Jiashan Road, Zhongdu community, Baofeng street, Shimen County, Changde City, Hunan Province Applicant after: Shimen Baofeng Machinery Manufacturing Co.,Ltd. Address before: 256200 Weijia village, Daixi sub district office, Zouping County, Binzhou City, Shandong Province Applicant before: Shandong Taihang Equipment Leasing Co.,Ltd. |
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