CN108999081B - Special warning guardrail for emergency lane of viaduct and use method thereof - Google Patents
Special warning guardrail for emergency lane of viaduct and use method thereof Download PDFInfo
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- CN108999081B CN108999081B CN201810702181.0A CN201810702181A CN108999081B CN 108999081 B CN108999081 B CN 108999081B CN 201810702181 A CN201810702181 A CN 201810702181A CN 108999081 B CN108999081 B CN 108999081B
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- fixed
- guardrail
- fixing
- rod
- limiting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/619—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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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 discloses an elevated bridge emergency lane special warning guardrail and a using method thereof, and the elevated bridge emergency lane special warning guardrail comprises an installation seat, wherein the upper end of the installation seat is uniformly and respectively provided with a plurality of installation grooves, a guardrail is arranged above the installation seat, the lower end of the guardrail penetrates through the installation seat and extends into the installation grooves, the upper end of the installation seat is provided with a plurality of limiting grooves, the installation grooves are positioned between two limiting grooves, limiting blocks are fixed on the opposite side walls in the limiting grooves, a limiting rod is fixed between the two limiting blocks, a supporting block is sleeved on the outer side of the limiting rod, the upper end of the supporting block is fixedly connected with a fixing ring, a hollow groove is arranged in the fixing ring, internal threads are arranged on the inner side wall of the hollow groove, a fixing rod is arranged in the hollow groove, and. The warning guardrail is convenient to install, the working efficiency is improved, the buffering effect is good, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of road management, in particular to a special warning guardrail for an emergency lane of an viaduct and a using method thereof.
Background
At present, the protection warning guardrail is widely applied to places such as banks, postal service, communication, electric power business halls, warehouses, markets, supermarkets, hotels, exhibitions and the like, and plays roles of isolation, protection and warning. At building site, traffic accident site and some other dangerous places, also need use protection warning guardrail for keep apart the crowd, prevent to cause the injury, bring danger for other personnel. Because the entry of pipelines such as sewer, electric power communication pipeline and gas pipeline is normally opened on the road, when overhauing these pipelines, for preventing that the pedestrian from falling into the well head of these pipelines, the lid of well head is opened its periphery and also is set up the protection and warn the guardrail, often can use the warning guardrail on the emergent lane of viaduct.
But the special warning guardrail in emergent lane of current viaduct installation is inconvenient, wastes time and energy when leading to the use, and the buffering effect is poor, leads to the vehicle collision back cushioning effect little, causes the security not high.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problems that the existing warning guardrail special for the viaduct emergency lane is inconvenient to install, time and labor are wasted during use, the buffering effect is poor, the buffering effect is small after a vehicle collides, and the safety is not high.
2. Technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme:
a special warning guardrail for an emergency lane of an elevated bridge comprises a mounting seat, wherein a plurality of mounting grooves are uniformly formed in the upper end of the mounting seat respectively, a guardrail is arranged above the mounting seat, the lower end of the guardrail penetrates through the mounting seat and extends into the mounting grooves, a plurality of limiting grooves are formed in the upper end of the mounting seat, the mounting grooves are located between the two limiting grooves, limiting blocks are fixed on opposite side walls in the limiting grooves respectively, a limiting rod is fixed between the two limiting blocks, a supporting block is sleeved outside the limiting rod, a fixing ring is fixedly connected to the upper end of the supporting block, a hollow groove is formed in the fixing ring, internal threads are arranged on the inner side wall of the hollow groove, a fixing rod is arranged in the hollow groove, a rotating handle is fixedly connected to one end of the fixing rod, the other end of the fixing rod penetrates through the hollow groove and is rotatably connected with a fixing, the utility model discloses a novel article, including put thing groove, clamping ring, guardrail, threaded connection between second screw and the guardrail, put the thing inslot and be equipped with the snap ring, the fixed outside at the dead lever of establishing of snap ring, be equipped with the thing board on the lateral wall of guardrail, be fixed with reflection of light strip on putting the lateral wall of thing board, the both sides of putting the thing board all weld the second fixed block, the inside of second fixed block is equipped with the second screw, threaded connection between second screw and the guardrail, it is equipped with the standing groove in the thing board to put, be equipped with the rubber roller in the standing groove, the both ends of rubber roller all are fixed with the slider, the inside of slider is equipped with the spout, be equipped with the connecting rod in the.
Preferably, all be fixed with the stopper on movable plate and the standing groove inside wall, two the inside of stopper all is equipped with the draw-in groove, two all be equipped with the fixture block in the draw-in groove, two be equipped with the kelly between the fixture block, the both ends of kelly run through two stoppers respectively and respectively with two fixture block relative lateral wall fixed connection, the cover is equipped with first spring on the kelly, first spring is located between two stoppers.
Preferably, a rubber plate is fixed to the other side of the fixing plate, and the rubber plate abuts against the outer side wall of the guardrail.
Preferably, first fixed blocks are fixed at two ends of the mounting seat, and first screws are connected to the inner threads of the first fixed blocks.
Preferably, a rubber pad is fixed at the inner bottom end of the mounting groove and abuts against the side wall of the lower end of the guardrail.
Preferably, the lower end of the supporting block is provided with a groove, a ball is arranged in the groove, and the ball abuts against the side wall of the bottom end in the limiting groove.
Preferably, the limiting rod is sleeved with a second spring, and two ends of the second spring respectively abut against the limiting block and the side wall opposite to the supporting block.
Preferably, the other end of the connecting rod is fixed with an anti-dropping block.
The invention also provides a using method of the special warning guardrail for the emergency lane of the viaduct, which comprises the following steps:
step 1, rotating a first screw to be fixed with the ground, and enabling a first fixing block to be in contact with the ground to realize the fixation between the mounting seat and the ground;
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the invention, the second fixing block is fixed on the guardrail by rotating the second screw, so that the fixed installation of the object placing plate is realized, the warning effect of the reflective strips on the object placing plate is realized, the collision of a vehicle caused by light problems in the process of driving at night is avoided, and when the vehicle collides, the rubber roller is firstly stressed, so that the sliding blocks fixed at two ends of the rubber roller move on the connecting rod, the anti-falling block prevents the connecting rod from being loosened, the movable plate is driven by stress to move in the object placing plate, the two clamping blocks move in the two limiting blocks, the first spring is compressed, the stress buffering of the collision is realized, and the safety is improved.
(2) Rotate the handle and rotate and drive the dead lever and rotate, the screw thread effect between dead lever and the solid fixed ring rotates the dead lever and makes the dead lever remove on solid fixed ring's inside wall to promote the fixed plate and remove to the guardrail, realize the fixed mounting to the guardrail, convenient operation improves the guardrail and when horizontal atress, and the supporting shoe has certain lateral displacement, compresses the second spring, realizes horizontal atress buffering, improves holistic security.
Drawings
Fig. 1 is a schematic formal structure diagram of a special warning guardrail for an emergency lane of an viaduct, which is provided by the invention;
fig. 2 is a schematic side view of a storage plate of the special warning guardrail for an emergency lane of an viaduct provided by the invention;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
fig. 4 is a schematic structural view of a fixing plate of the special warning guardrail for the emergency lane of the viaduct provided by the invention.
In the figure: the mounting base, 2 guardrails, 3 rubber pads, 4 first screws, 5 first fixed blocks, 6 reflective strips, 7 second fixed blocks, 8 second screws, 9 object placing plates, 10 rubber rollers, 11 sliders, 12 anti-dropping blocks, 13 first springs, 14 moving plates, 15 connecting rods, 16 clamping blocks, 17 clamping rods, 18 limiting blocks, 19 limiting rods, 20 balls, 21 second springs, 22 limiting blocks, 23 rotating handles, 24 fixing rods, 25 fixing rings, 26 supporting blocks, 27 fixing plates, 28 clamping rings and 29 rubber plates.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, a special warning guardrail for an emergency lane of an elevated bridge comprises a mounting seat 1, wherein a plurality of mounting grooves are uniformly and respectively formed in the upper end of the mounting seat 1, a guardrail 2 is arranged above the mounting seat 1, the lower end of the guardrail 2 penetrates through the mounting seat 1 and extends into the mounting grooves, a plurality of limiting grooves are formed in the upper end of the mounting seat 1, the mounting grooves are positioned between the two limiting grooves, limiting blocks 22 are respectively fixed on the opposite side walls in the limiting grooves, a limiting rod 19 is fixed between the two limiting blocks 22, a supporting block 26 is sleeved outside the limiting rod 19, a fixing ring 25 is fixedly connected to the upper end of the supporting block 26, a hollow groove is formed in the fixing ring 25, internal threads are formed in the inner side wall of the hollow groove, a fixing rod 24 is arranged in the hollow groove, a rotating handle 23 is fixedly connected to one end of the fixing rod 24, the, the article placing groove is internally provided with a snap ring 28, the snap ring 28 is fixedly sleeved at the outer side of the fixed rod 24, the rotating handle 23 rotates to drive the fixed rod 24 to rotate, the thread action between the fixed rod 24 and the fixed ring 25 is realized, the fixed rod 24 is rotated to move the fixed rod 24 on the inner side wall of the fixed ring 25, so that the fixed plate 27 is pushed to move towards the guardrail 2, the fixed installation of the guardrail 2 is realized, the operation is convenient, when the guardrail 2 is transversely stressed, the supporting block 26 has certain transverse displacement, the second spring 21 is compressed, the transverse stress buffering is realized, the integral safety is improved, the article placing plate 9 is arranged on the outer side wall of the guardrail 2, the light reflecting strips 6 are fixed on the outer side wall of the article placing plate 9, the warning effect is realized by the light reflecting strips 6 on the article placing plate 9, the collision of the vehicle caused by the, the inside of second fixed block 7 is equipped with second screw 8, threaded connection between second screw 8 and the guardrail 2, make second fixed block 7 fix on guardrail 2 through rotating second screw 8, the fixed mounting of putting thing board 9 is realized, it is equipped with the standing groove in the thing board 9 to put, be equipped with rubber roller 10 in the standing groove, the both ends of rubber roller 10 all are fixed with slider 11, the inside of slider 11 is equipped with the spout, be equipped with connecting rod 15 in the spout, the one end fixedly connected with movable plate 14 of connecting rod 15, the both ends of movable plate 14 respectively with the standing groove in relative lateral wall sliding connection.
In the invention, the movable plate 14 and the inner side wall of the placing groove are both fixed with a limiting block 18, the two limiting blocks 18 are both internally provided with a clamping groove, two clamping blocks 16 are both arranged in the two clamping grooves, a clamping rod 17 is arranged between the two clamping blocks 16, two ends of the clamping rod 17 respectively penetrate through the two limiting blocks 18 and are respectively and fixedly connected with the side walls opposite to the two clamping blocks 16, a first spring 13 is sleeved on the clamping rod 17, the first spring 13 is positioned between the two limiting blocks 18, when a vehicle collides, the rubber roller 10 is firstly stressed, so that the sliding blocks 11 fixed at two ends of the rubber roller 10 move on the connecting rod 15, the anti-falling block 12 prevents the connecting rod 15 from falling off, the movable plate 14 is driven by stress to move in the object placing plate 9, the two clamping blocks 16 move in the two limiting blocks 18, the first spring 13 is compressed, the stress buffering of the collision is realized, the safety is improved, the other side of the, the opposite side of fixed plate 27 is fixed with rubber slab 29, rubber slab 29 offsets with the lateral wall of guardrail 2, increase frictional force, improve fixed stability, the inner bottom of mounting groove is fixed with rubber pad 3, rubber pad 3 offsets with the lower extreme lateral wall of guardrail 2, the lower extreme of supporting shoe 26 is equipped with the recess, be equipped with ball 20 in the recess, ball 20 offsets with spacing inslot bottom lateral wall, the cover is equipped with second spring 21 on the gag lever post 19, the both ends of second spring 21 respectively with stopper 22, the lateral wall that the supporting shoe 26 is relative offsets, the other end of connecting rod 15 is fixed with anticreep piece 12.
The use method of the special warning guardrail for the emergency lane of the viaduct comprises the following steps:
step 1, rotating a first screw 4 to be fixed with the ground, and enabling a first fixing block 5 to be in contact with the ground to realize the fixation between the mounting base 1 and the ground;
and 3, rotating the second screw 8 to fix the second fixing block 7 on the guardrail 2 to realize the fixed installation of the object placing plate 9, wherein when a vehicle collides, the rubber roller 10 is firstly stressed to enable the sliding blocks 11 fixed at two ends of the rubber roller 10 to move on the connecting rod 15, the anti-falling block 12 prevents the connecting rod 15 from being loosened, and the stress drives the moving plate 14 to move in the object placing plate 9, so that the two clamping blocks 16 move in the two limiting blocks 18 to compress the first spring 13.
In the invention, the second fixing block 7 is fixed on the guardrail 2 by rotating the second screw 8 to realize the fixed installation of the object placing plate 9, the reflective strip 6 on the object placing plate 9 realizes the warning effect, the collision caused by the light problem in the process of driving the vehicle at night is avoided, and when the vehicle collides, the rubber roller 10 is firstly stressed to move the sliding blocks 11 fixed at the two ends of the rubber roller 10 on the connecting rod 15, the anti-falling block 12 prevents the connecting rod 15 from being loosened, the movable plate 14 is driven to move in the object placing plate 9 by stress, the two clamping blocks 16 move in the two limiting blocks 18, the first spring 13 is compressed to realize the stress buffering of the collision, the safety is improved, the rotating handle 23 rotates to drive the fixing rod 24 to rotate, the thread effect between the fixing rod 24 and the fixing ring 25 rotates the fixing rod 24 to move the fixing rod 24 on the inner side wall of the fixing ring 25, thereby pushing the fixing plate 27 to, the realization is to guardrail 2's fixed mounting, and convenient operation improves guardrail 2 when horizontal atress, and supporting shoe 26 has certain lateral displacement, compresses second spring 21, realizes horizontal atress buffering, improves holistic security. The warning guardrail is convenient to install, the working efficiency is improved, the buffering effect is good, and the safety is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The special warning guardrail for the emergency lane of the viaduct comprises a mounting seat (1) and is characterized in that a plurality of mounting grooves are uniformly formed in the upper end of the mounting seat (1) respectively, a guardrail (2) is arranged above the mounting seat (1), the lower end of the guardrail (2) penetrates through the mounting seat (1) and extends into the mounting grooves, a plurality of limiting grooves are formed in the upper end of the mounting seat (1), the mounting grooves are located between the two limiting grooves, limiting blocks (22) are fixed on the opposite side walls of the limiting grooves, a limiting rod (19) is fixed between the two limiting blocks (22), a supporting block (26) is sleeved on the outer side of the limiting rod (19), a fixing ring (25) is fixedly connected to the upper end of the supporting block (26), a hollow groove is formed in the fixing ring (25), an internal thread is formed in the inner side wall of the hollow groove, a fixing rod (24) is arranged in the, one end of the fixing rod (24) is fixedly connected with a rotating handle (23), the other end of the fixing rod (24) penetrates through the hollow groove and is rotatably connected with a fixing plate (27), one side of the fixing plate (27) is provided with an object placing groove, a clamping ring (28) is arranged in the object placing groove, the clamping ring (28) is fixedly sleeved on the outer side of the fixing rod (24), an object placing plate (9) is arranged on the outer side wall of the guardrail (2), a light reflecting strip (6) is fixed on the outer side wall of the object placing plate (9), second fixing blocks (7) are welded on the two sides of the object placing plate (9), second screws (8) are arranged inside the second fixing blocks (7), the second screws (8) are in threaded connection with the guardrail (2), a placing groove is arranged in the object placing plate (9), a rubber roller (10) is arranged in the placing groove, and sliding blocks (11) are fixed at the two ends, a sliding groove is formed in the sliding block (11), a connecting rod (15) is arranged in the sliding groove, one end of the connecting rod (15) is fixedly connected with a moving plate (14), and two ends of the moving plate (14) are respectively in sliding connection with the opposite side walls in the placing groove;
limiting blocks (18) are fixed on the inner side walls of the moving plate (14) and the placing groove, clamping grooves are formed in the two limiting blocks (18), clamping blocks (16) are arranged in the two clamping grooves, a clamping rod (17) is arranged between the two clamping blocks (16), two ends of the clamping rod (17) penetrate through the two limiting blocks (18) respectively and are fixedly connected with the side walls opposite to the two clamping blocks (16) respectively, a first spring (13) is sleeved on the clamping rod (17), and the first spring (13) is located between the two limiting blocks (18);
a rubber plate (29) is fixed on the other side of the fixing plate (27), the rubber plate (29) is abutted against the outer side wall of the guardrail (2), two ends of the mounting seat (1) are respectively fixed with a first fixed block (5), the inner threads of the first fixed blocks (5) are connected with first screws (4), a rubber pad (3) is fixed at the inner bottom end of the mounting groove, the rubber pad (3) is propped against the side wall of the lower end of the guardrail (2), the lower end of the supporting block (26) is provided with a groove, a ball (20) is arranged in the groove, the ball (20) is pressed against the side wall of the bottom end in the limit groove, a second spring (21) is sleeved on the limit rod (19), two ends of the second spring (21) are respectively abutted against the side walls opposite to the limiting block (22) and the supporting block (26), and the other end of the connecting rod (15) is fixed with an anti-falling block (12).
2. The use method of the special warning guardrail for the emergency lane of the viaduct as claimed in claim 1, comprising the following steps:
step 1, rotating a first screw (4) to be fixed with the ground, and enabling a first fixing block (5) to be in contact with the ground to fix a mounting base (1) with the ground;
step 2, the rotating handle (23) rotates to drive the fixing rod (24) to rotate, the fixing rod (24) and the fixing ring (25) are in threaded action, the fixing rod (24) is rotated to enable the fixing rod (24) to move on the inner side wall of the fixing ring (25), and therefore the fixing plate (27) is pushed to move towards the guardrail (2), and the fixed installation of the guardrail (2) is achieved;
step 3, rotate second screw (8) and make second fixed block (7) fix on guardrail (2), the fixed mounting who puts thing board (9) is realized, when there is the vehicle collision, rubber roller (10) atress at first, make slider (11) of fixing at rubber roller (10) both ends move on connecting rod (15), anticreep piece (12) prevent connecting rod (15) pine and take off, the atress drives movable plate (14) and removes in putting thing board (9), make two fixture blocks (16) remove in two stopper (18), compress first spring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810702181.0A CN108999081B (en) | 2018-06-30 | 2018-06-30 | Special warning guardrail for emergency lane of viaduct and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810702181.0A CN108999081B (en) | 2018-06-30 | 2018-06-30 | Special warning guardrail for emergency lane of viaduct and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108999081A CN108999081A (en) | 2018-12-14 |
| CN108999081B true CN108999081B (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810702181.0A Active CN108999081B (en) | 2018-06-30 | 2018-06-30 | Special warning guardrail for emergency lane of viaduct and use method thereof |
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| CN (1) | CN108999081B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359756B (en) * | 2020-11-24 | 2021-12-31 | 盐城华航交通设施有限公司 | Combined traffic guardrail |
| CN113250391B (en) * | 2021-04-23 | 2022-05-24 | 上海德森建筑设计有限公司 | Assembled stair |
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| CN202945554U (en) * | 2012-06-14 | 2013-05-22 | 北京中交路通科技发展有限公司 | Sliding crash barrier |
| WO2016137058A1 (en) * | 2015-02-25 | 2016-09-01 | 김희섭 | Jump suicide prevention device for bridge railings |
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| KR20170054858A (en) * | 2015-11-10 | 2017-05-18 | (주)티피에스엔지니어링 | Safety railing device for drop prevention |
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| CN207405906U (en) * | 2017-10-24 | 2018-05-25 | 福州新光能源科技有限公司 | A kind of solar photovoltaic power generation construction railing panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201405109Y (en) * | 2009-04-29 | 2010-02-17 | 安徽精诚铜业股份有限公司 | Copper ingot double-side milling device |
| CN202945554U (en) * | 2012-06-14 | 2013-05-22 | 北京中交路通科技发展有限公司 | Sliding crash barrier |
| WO2016137058A1 (en) * | 2015-02-25 | 2016-09-01 | 김희섭 | Jump suicide prevention device for bridge railings |
| KR20170054858A (en) * | 2015-11-10 | 2017-05-18 | (주)티피에스엔지니어링 | Safety railing device for drop prevention |
| CN206173849U (en) * | 2016-10-28 | 2017-05-17 | 浙江恒力建设有限公司 | Guardrail |
| CN207118465U (en) * | 2017-08-31 | 2018-03-20 | 肇庆高新区小黑科技有限公司 | A kind of poultry farming case |
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| CN108999081A (en) | 2018-12-14 |
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Effective date of registration: 20210104 Address after: 511458 shop 101, No.30, Zhujiang West 2nd Road, Zhujiang street, Nansha District, Guangzhou City, Guangdong Province (office use only) Applicant after: Guangzhou Guowei Construction Engineering Co.,Ltd. Address before: 130000 No.8, Lane 1, Bei'an Road, Nanguan District, Changchun City, Jilin Province Applicant before: Ye Zipeng |
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