CN109403234B - Traffic construction's packing has protector of stiffening rib - Google Patents
Traffic construction's packing has protector of stiffening rib Download PDFInfo
- Publication number
- CN109403234B CN109403234B CN201811500141.4A CN201811500141A CN109403234B CN 109403234 B CN109403234 B CN 109403234B CN 201811500141 A CN201811500141 A CN 201811500141A CN 109403234 B CN109403234 B CN 109403234B
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- main body
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
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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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts 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)
- Revetment (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention provides a protective device filled with reinforcing ribs for traffic construction, which comprises two built-in plates, a water collecting hole, a water dripping hole and an outer flow hole; the upright rod main body is of a pipe cavity structure, and a protective net hanging structure with a hanging hole groove structure is arranged at one position of the inner side surface of the upright rod main body in a welding mode; the front end face of the upright rod main body is welded with a functional seat, and four screw sleeves are embedded in the functional seat in a penetrating manner; the supporting plate is provided with the reinforcing plate structure which can be connected with the supporting plate, when the protective net is hung and pulled up in the middle of the stand column main body of the structure to protect roads, the supporting plate can be installed on the inclined plane of the functional seat, certain support is carried out on the easily-deformed part of the protective net by utilizing the inclined state of the supporting plate, the middle part section of the protective net which is impacted is strengthened, the installed protective net is strengthened and supported, the bearing capacity is strengthened, and because the inclined plane structure is arranged on the functional seat which is installed by the supporting rod, the acting force of the functional seat bearing the supporting rod can be strengthened, and the structure is more reasonable.
Description
Technical Field
The invention belongs to the technical field of road construction protective guard mounting column structures, and particularly relates to a protective device filled with reinforcing ribs for traffic construction.
Background
The industrial protective fence or collision-preventing protective fence is mainly used for protecting and protecting equipment and facilities in factories, workshops and warehouses, and has the same reason that the protective fence or protective net is also involved in the road construction process, and the protective fence or protective net is required to be installed on the third side or one side of a road in the road construction process to warn or prevent traffic flow and pedestrians from colliding or crossing a construction area, so that the engineering construction of the construction area can be normally and smoothly carried out, and the project can be finished according to the expected date.
The protective net device is mainly characterized in that upright posts on two sides are connected with the protective net through bolts to form protective blocking, or a hanging groove on one side of each upright post is used for hanging and pulling the protective net or the protective net, if the distance between the two upright posts is long, the flexible performance of the protective net connected between the two upright posts is stronger when the protective net is closer to the middle position, the protective net is easy to deform, when the protective net is impacted by external force or wind power, the middle part of the protective net deforms, the stress effect is poor, and particularly when the protective net is impacted by a vehicle, the upright posts and the protective net are easy to be integrally pulled up to cause damage.
Disclosure of Invention
In order to solve the technical problems, the invention provides a protective device filled with reinforcing ribs for traffic construction, which aims to solve the problem that the protective net device in the existing road construction process is mostly connected with protective guards through upright posts on two sides or through bolts to form protective barriers, or the protective guards or the protective nets are hung and pulled through hanging and pulling grooves on one sides of the upright posts, if the distance between the two upright posts is longer, the protective net connected between the two upright posts is stronger in flexibility and easy to deform when being closer to the middle position, when the protective net device is impacted by external force or wind power, the middle part of the protective net device is deformed, the stress effect is poorer, and particularly, when the protective net device is impacted by an out-of-control vehicle, the upright posts and the protective nets are easy to be pulled up.
The invention relates to a protective device filled with reinforcing ribs for traffic construction, which has the purpose and the effect achieved by the following specific technical means:
a protective device filled with reinforcing ribs for traffic construction comprises a vertical rod main body, a protective net hanging and pulling structure, a functional seat, a mounting seat, supporting plates, reinforcing ribs, a supporting plate front base plate structure, through holes, bolts, a thread bush, a base, foundation bolt fixing holes, first preformed holes, second preformed holes, a first built-in plate, dripping holes, a water collecting hole, a dripping hole and an outflow hole, wherein the protective net hanging and pulling structure is arranged on the vertical rod main body; the upright rod main body is of a pipe cavity structure, and a protective net hanging structure with a hanging hole groove structure is arranged at one position of the inner side surface of the upright rod main body in a welding mode; the front end face of the upright rod main body is welded with a functional seat, and four screw sleeves are embedded in the functional seat in a penetrating manner; the bottom surface of the upright rod main body is welded with a base, four foundation bolt fixing holes are formed in the base, and a first preformed hole and a second preformed hole are formed in a groove cavity where the four foundation bolt fixing holes are located; the mounting seat is of a rectangular solid block structure, two through holes are formed in the mounting seat, a supporting plate is welded on the right end face of the mounting seat, a reinforcing rib is welded on the front end face of the supporting plate, and a supporting plate front base plate structure which is of an integral structure with the supporting plate is arranged on the right end of the supporting plate; an upper bolt and a lower bolt penetrate through the through hole of the mounting seat.
Furthermore, a first built-in plate and a second built-in plate are welded in the pipe cavity of the upright rod main body from top to bottom in a staggered mode, and the ends of the two built-in plates are welded together.
Furthermore, three dripping holes are formed in the first built-in plate and the second built-in plate, and the central lines of the two dripping holes are on the same axis.
Furthermore, the first preformed hole and the second preformed hole are communicated in a cross shape.
Furthermore, the end face of the functional seat, on which the thread bush is mounted, is of an inclined structure.
Furthermore, the plate formed by the mounting seat, the supporting plate and the supporting plate front base plate structure is of a bent structure, and a reinforcing rib is arranged in the middle of the front end face of the bent plate.
Furthermore, the base is of a frustum seat structure, an inward-sinking type water gathering hole is formed in the bottom surface of the base, and a plurality of water dripping holes communicated with the upright rod main body are densely formed in the top surface of the water gathering hole.
Furthermore, the bottom surface of the base is also provided with an internally-sunk type outflow hole which is communicated with the water-collecting hole.
Compared with the prior art, the invention has the following beneficial effects:
the invention is a protective net upright post with a composite structure, the upright post body is a tube cavity structure, built-in plates are welded in the tube cavity in a staggered mode, holes are penetrated through the built-in plates, cement can be poured into the upright post after the upright post is connected with the ground to strengthen the strength of the internal structure, so that the inner cavity of the upright post forms a firm structure, the strength of the upright post is improved, the anti-collision performance is stronger, a function seat with an inclined plane structure is arranged on the front end surface of the upright post main body, four thread sleeves are arranged on the inclined plane of the function seat, a supporting plate with a reinforcing plate structure which can be connected with the thread sleeves is arranged aiming at the thread sleeves structure, when the protective net is hung and pulled on the middle of the upright post main body of the structure to protect the road, the supporting plate can be arranged on the inclined plane of the function seat, certain support is carried out on the easily deformed part of the protective net, the protection network of installation obtains strengthening the support, and the bearing capacity is strengthened, because be the inclined plane structure on the function seat that the vaulting pole was installed, consequently the effort that the function seat bore the vaulting pole will strengthen, and the structure is more reasonable, if in the protector use, when having the rammer to strike near the intermediate position, can bear than before better effort, improves structural rationality.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic bottom view structure of the present invention.
Fig. 3 is a rear view structural schematic diagram of the present invention.
Fig. 4 is an enlarged schematic view of part a of the present invention.
Fig. 5 is a schematic top plan view of the present invention.
Fig. 6 is a schematic view of the broken internal structure of the present invention.
Fig. 7 is a schematic view of a top view structure of the two hanging-pulling protective nets T of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
the vertical rod comprises a vertical rod main body-1, a protective net hanging and pulling structure-2, a functional seat-3, a mounting seat-4, a supporting plate-5, a reinforcing rib-6, a supporting plate front base plate structure-7, a through hole-8, a bolt-9, a thread sleeve-10, a base-11, a foundation bolt fixing hole-12, a first reserved hole-13, a second reserved hole-14, a first built-in plate-15, a dripping hole-16, a water collecting hole-18, a dripping hole-19 and an outflow hole-20.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 7:
the invention provides a protective device filled with reinforcing ribs for traffic construction, which comprises: the device comprises a vertical rod main body 1, a protective net hanging structure 2, a functional seat 3, a mounting seat 4, a supporting plate 5, reinforcing ribs 6, a supporting plate front cushion plate structure 7, through holes 8, bolts 9, a thread bush 10, a base 11, foundation bolt fixing holes 12, first preformed holes 13, second preformed holes 14, a first built-in plate 15, dripping holes 16, a water collecting hole 18, a dripping hole 19 and an outflow hole 20, wherein the vertical rod main body passes through the two built-in plates 17; the upright rod main body 1 is of a pipe cavity structure, and a protective net hanging and pulling structure 2 with a hanging hole groove structure is arranged on the inner side surface of the upright rod main body in a welding mode; the front end face of the upright rod main body 1 is welded with a functional seat 3, and four screw sleeves 10 are embedded in the functional seat 3 in a penetrating manner; a base 11 is welded on the bottom surface of the upright rod main body 1, four foundation bolt fixing holes 12 are formed in the base 11, and a first preformed hole 13 and a second preformed hole 14 are formed in a groove cavity where the four foundation bolt fixing holes 12 are located; the mounting seat 4 is a rectangular solid block structure, two through holes 8 are formed in the mounting seat, a supporting plate 5 is welded on the right end face of the mounting seat 4, a reinforcing rib 6 is welded on the front end face of the supporting plate 5, and a supporting plate front base plate structure 7 which is of an integral structure with the supporting plate is arranged at the right end of the supporting plate 5; an upper bolt 9 and a lower bolt 9 penetrate through the through hole 8 of the mounting seat 4.
The first built-in plate 15 and the second built-in plate 17 are welded in the pipe cavity of the vertical rod main body 1 from top to bottom in a staggered mode, and the ends of the two built-in plates are welded together, as shown in fig. 6, so that two reinforcing ribs which are staggered are formed in the inner cavity of the vertical rod main body 1, and the strength of the pipe cavity structure of the vertical rod main body 1 is improved.
Wherein, three dripping holes 16 are respectively arranged on the first built-in plate 15 and the second built-in plate 17, the central lines of the two dripping holes 16 are on the same axis, and the holes are formed by pouring cement into the installed upright post from the top to the bottom, so that the inner cavity of the upright post main body 1 is further strengthened and strengthened.
The first preformed hole 13 and the second preformed hole 14 are communicated with each other in a cross-shaped direction, and after the two holes are communicated with each other, the base 11 at the bottom of the upright rod main body 1 can form an intercommunicated water outlet structure, so that when the upright rod main body 1 is erected on the ground, once rainwater on a road surface is formed, the rainwater can be conveniently circulated, the rainwater blockage on the road is prevented, and the structure is reasonable.
Wherein, the terminal surface of installing the silk braid 10 on the function seat 3 is the tilting structure, utilizes this structure to form better supporting effect to the left end of installing fagging 5, becomes with the protection network table that acts on and forms triangle-shaped support, like the effect that props up shown in figure 7, improves support strength, further improves structural rationality.
Wherein, the board that base plate structure 7 constitutes before mount pad 4, fagging 5 and the fagging is crooked column structure, and base plate structure 7 is used for tiling the support to fix on the protective screen before the fagging, and is equipped with the stiffening rib 6 that makes fagging 5 have stronger structurality in the preceding terminal surface intermediate position of this crooked board.
Wherein, base 11 is frustum seat structure, and the formula that sinks gathers water hole 18 has been seted up to its bottom surface to gather the dense numb on the top surface of water hole 18 and seted up a plurality of drip holes 19 that link up with pole setting main part 1, these drip holes 19 are used for spilling the rainwater downwards, and are used for oozing the cement rainwater of pouring into downwards, accelerate cement solidification speed, improve structural rationality once more.
Wherein, the bottom surface of the base 11 is further provided with an inward-sinking type outflow hole 20 for better enabling the falling rainwater to flow out, and the outflow hole 20 is communicated with the water gathering hole 18.
When in use: two devices are penetrated into the ground through anchor bolt fixing holes 12 by anchor bolts, so that left and right upright body 1 are fixed on the ground, concrete or cement is poured into the upright body 1 according to road section environment, so that the first built-in plates 15 staggered inside the upright body 1 and cement fillers are filled between the two built-in plates 17 to realize the reinforced fixation on the structure, as shown in figure 7, a protective net T is inserted into the protective net hanging structure 2 between the two upright body 1, and a supporting plate accessory 5 is fixed on a functional seat 3 through a bolt 9, so that a supporting plate front base plate structure 7 is supported at a position close to the middle position of the protective net T, as the functional seat mounted by the supporting rod is of an inclined plane structure, the acting force of the supporting rod borne by the functional seat is reinforced, the structure is more reasonable, if the protective device is used, when an impact is generated to the position close to the middle position, can bear better acting force than before, and improve the structural rationality.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a traffic construction's packing has protector of stiffening rib which characterized in that: the protective device filled with the reinforcing ribs for traffic construction comprises a vertical rod main body (1), a protective net hanging and pulling structure (2), a functional base (3), a mounting base (4), a supporting plate (5), the reinforcing ribs (6), a supporting plate front base plate structure (7), through holes (8), bolts (9), a thread sleeve (10), a base (11), foundation bolt fixing holes (12), first reserved holes (13), second reserved holes (14), first built-in plates (15), dripping holes (16), second built-in plates (17), water collecting holes (18), dripping holes (19) and outflow holes (20); the upright rod main body (1) is of a pipe cavity structure, and the inner side surface of the upright rod main body is provided with a protective net hanging and pulling structure (2) with a hanging hole groove structure in a welding mode; the front end face of the upright rod main body (1) is welded with a functional seat (3), and four screw sleeves (10) are embedded in the functional seat (3) in a penetrating manner; a base (11) is welded on the bottom surface of the upright rod main body (1), four foundation bolt fixing holes (12) are formed in the base (11), and a first preformed hole (13) and a second preformed hole (14) are formed in a groove cavity in which the four foundation bolt fixing holes (12) are located; the mounting seat (4) is a rectangular solid block structure, two through holes (8) are formed in the mounting seat, a supporting plate (5) is welded on the right end face of the mounting seat (4), a reinforcing rib (6) is welded on the front end face of the supporting plate (5), and a supporting plate front base plate structure (7) which is of an integral structure with the supporting plate is arranged at the right end of the supporting plate (5); an upper bolt and a lower bolt (9) penetrate through the through hole (8) of the mounting seat (4).
2. A traffic construction filled with reinforcing ribs safety device according to claim 1, characterized in that: a first built-in plate (15) and a second built-in plate (17) are welded in a pipe cavity of the vertical rod main body (1) from top to bottom in a staggered mode, and the ends of the two built-in plates are welded together.
3. A traffic construction filled with reinforcing ribs safety device according to claim 1, characterized in that: the first built-in plate (15) and the second built-in plate (17) are provided with three dripping holes (16), and the central lines of the two dripping holes (16) are on the same axis.
4. A traffic construction filled with reinforcing ribs safety device according to claim 1, characterized in that: the first preformed hole (13) and the second preformed hole (14) are communicated in a cross-shaped direction.
5. A traffic construction filled with reinforcing ribs safety device according to claim 1, characterized in that: the end face of the functional seat (3) provided with the screw sleeve (10) is of an inclined structure.
6. A traffic construction filled with reinforcing ribs safety device according to claim 1, characterized in that: the plate that mount pad (4), fagging (5) and fagging front base plate structure (7) constitute is curved structure, and the preceding terminal surface intermediate position of curved structure's plate is equipped with stiffening rib (6).
7. A traffic construction filled with reinforcing ribs safety device according to claim 1, characterized in that: the base (11) is of a frustum seat structure, an inward-sinking type water gathering hole (18) is formed in the bottom surface of the base, and a plurality of water dripping holes (19) communicated with the vertical rod main body (1) are formed in the top surface of the water gathering hole (18).
8. A traffic construction filled with reinforcing ribs safety device according to claim 1, characterized in that: the bottom surface of the base (11) is also provided with an internally-sunk type outflow hole (20), and the outflow hole (20) is communicated with the water collecting hole (18).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011012454.2A CN112127702B (en) | 2018-12-10 | 2018-12-10 | Protection control method of reinforcing rib applied to road construction |
| CN201811500141.4A CN109403234B (en) | 2018-12-10 | 2018-12-10 | Traffic construction's packing has protector of stiffening rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811500141.4A CN109403234B (en) | 2018-12-10 | 2018-12-10 | Traffic construction's packing has protector of stiffening rib |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011012454.2A Division CN112127702B (en) | 2018-12-10 | 2018-12-10 | Protection control method of reinforcing rib applied to road construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109403234A CN109403234A (en) | 2019-03-01 |
| CN109403234B true CN109403234B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811500141.4A Active CN109403234B (en) | 2018-12-10 | 2018-12-10 | Traffic construction's packing has protector of stiffening rib |
| CN202011012454.2A Active CN112127702B (en) | 2018-12-10 | 2018-12-10 | Protection control method of reinforcing rib applied to road construction |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011012454.2A Active CN112127702B (en) | 2018-12-10 | 2018-12-10 | Protection control method of reinforcing rib applied to road construction |
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| CN (2) | CN109403234B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204825711U (en) * | 2015-05-13 | 2015-12-02 | 深圳市九鼎智能技术有限公司 | Advertisement banister |
| FR3047747A1 (en) * | 2016-02-12 | 2017-08-18 | Didier Philippe Torres | BARRIER FOR PROHIBITING OR LIMITING ACCESS TO ELASTIC FIXINGS |
| CN107881943A (en) * | 2017-11-28 | 2018-04-06 | 张诺 | King-post device for road instruction annunciator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2208418A5 (en) * | 1972-11-23 | 1974-06-21 | Fornells Sa | |
| CN201247002Y (en) * | 2008-06-23 | 2009-05-27 | 北京安龙防护产品有限公司 | Portable metal exploration-proof blocking net |
| CN203475864U (en) * | 2013-08-28 | 2014-03-12 | 中建七局第二建筑有限公司 | Horizontal safety protection net |
| CN204266609U (en) * | 2014-11-21 | 2015-04-15 | 长沙远大住宅工业集团有限公司 | Assembled architecture faces limit horizontal protective and chooses net system |
| CN206052547U (en) * | 2016-09-27 | 2017-03-29 | 成都信息工程大学 | A kind of bridge-collision-avoidance hurdle |
| CN107419894B (en) * | 2017-06-21 | 2019-11-08 | 河北盛卓建筑设备制造有限公司 | Adhesion type lifting type aluminium alloy scaffold |
| CN108086702A (en) * | 2017-12-28 | 2018-05-29 | 开封宜家建筑材料有限公司 | A kind of protective stent for building |
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2018
- 2018-12-10 CN CN201811500141.4A patent/CN109403234B/en active Active
- 2018-12-10 CN CN202011012454.2A patent/CN112127702B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204825711U (en) * | 2015-05-13 | 2015-12-02 | 深圳市九鼎智能技术有限公司 | Advertisement banister |
| FR3047747A1 (en) * | 2016-02-12 | 2017-08-18 | Didier Philippe Torres | BARRIER FOR PROHIBITING OR LIMITING ACCESS TO ELASTIC FIXINGS |
| CN107881943A (en) * | 2017-11-28 | 2018-04-06 | 张诺 | King-post device for road instruction annunciator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112127702B (en) | 2022-10-28 |
| CN109403234A (en) | 2019-03-01 |
| CN112127702A (en) | 2020-12-25 |
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Effective date of registration: 20201112 Address after: Room 425, No.4, industrial park, grape shed high tech Industrial Park, Nanchang Street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Wenzhou Zhongxin Machinery Technology Co., Ltd Address before: 310018 China University of metrology, Xiasha Higher Education Zone, Hangzhou, Jianggan District, Zhejiang Applicant before: Lv Lin |
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Application publication date: 20190301 Assignee: WENZHOU YUANTUO MACHINERY TECHNOLOGY Co.,Ltd. Assignor: Wenzhou Zhongxin Machinery Technology Co., Ltd Contract record no.: X2021330000498 Denomination of invention: The utility model relates to a protective device filled with reinforcing ribs for traffic construction Granted publication date: 20201201 License type: Common License Record date: 20211019 |
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Assignee: WENZHOU YUANTUO MACHINERY TECHNOLOGY Co.,Ltd. Assignor: Wenzhou Zhongxin Machinery Technology Co.,Ltd. Contract record no.: X2021330000498 Date of cancellation: 20220426 |
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