CN110886212B - Improved structure of concrete guardrail for highway bridge - Google Patents
Improved structure of concrete guardrail for highway bridge Download PDFInfo
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- CN110886212B CN110886212B CN201911162648.8A CN201911162648A CN110886212B CN 110886212 B CN110886212 B CN 110886212B CN 201911162648 A CN201911162648 A CN 201911162648A CN 110886212 B CN110886212 B CN 110886212B
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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
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Civil Engineering (AREA)
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a reconstruction structure of a concrete guardrail for a highway bridge, which comprises two symmetrically arranged first base plates arranged on the ground, wherein two symmetrically arranged second base plates are fixedly connected between the two first base plates, the two second base plates are arranged away from each other, a first concrete seat is arranged between the two first base plates, the two second base plates and the ground, third base plates are fixedly connected to two side walls, far away from each other, of the two first base plates, the two third base plates are arranged close to the ground, and a first baffle is fixedly connected to one side wall, far away from the first concrete seat, of one of the second base plates. The concrete guardrail replacing and maintaining device can rapidly complete replacing and maintaining work when the concrete guardrail is damaged, greatly facilitates use of users, saves maintenance cost of the users, and ensures normal travel of people.
Description
Technical Field
The invention relates to the technical field of highway bridges, in particular to a modified structure of a concrete guardrail for a highway bridge.
Background
In order to meet various travel requirements of people in modern society, various road bridges need to be built for people to use, and in the process of building the road bridges, in order to ensure that the running work of people on the road bridges is safer, guardrails need to be arranged on the road bridges, wherein the guardrails comprise concrete guardrails.
Current concrete guardrail utilizes the reinforcing bar directly to pour concrete subaerial, form the guardrail stake, pour between the guardrail pole on the guardrail stake again, accomplish guardrail work, so in case the guardrail takes place damage or damage, when carrying out maintenance work to the guardrail, need remove current whole guardrail stake, pour again, extremely extravagant manpower and materials, and at the in-process of pouring, need carry out the treatment of closing a way, very big normal trip that has hindered people, and the guardrail pole installation work of current concrete guardrail is too loaded down with trivial details, and can't dismantle, when the guardrail pole needs to be changed, corresponding guardrail stake can be greatly influenced, very inconvenient in user's use.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the maintenance work of the guardrail piles and the guardrail rods of the existing concrete guardrail is extremely inconvenient, the manpower and material resources of users can be greatly wasted during the maintenance, and the normal travel work of people can be hindered.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a transformation structure of concrete guardrail for public road bridge roof beam, is including setting up at subaerial two first bed plates that are the symmetry and set up, two fixedly connected with two second bed plates that are the symmetry and set up between the first bed plate the second bed plate keeps away from each other and sets up, two be equipped with first concrete seat, two between first bed plate, two second bed plates and the ground equal fixedly connected with third bed plate, two on two lateral walls that first bed plate kept away from each other the third bed plate all is close to ground setting, one of them the first baffle of fixedly connected with on the lateral wall that first concrete seat was kept away from to the second bed plate, the both ends difference fixed connection that second bed plate was kept away from to first baffle are on two third bed plates, and two all are equipped with slider, two on the lateral wall that ground was kept away from to two third bed plates the one end that ground was kept away from to first bed plate and two second bed plates is equipped with first baffle through latch device Two concrete seats, two the equal fixed connection of slider is on the second concrete seat, the second concrete seat is kept away from and is equipped with two connecting device that are the symmetry and set up in the one end on ground, is located two on the different second concrete seats be equipped with the railing between the connecting device.
Preferably, slider is including setting up the recess on a lateral wall that keeps away from ground at the third bed plate, sliding connection has the slider in the recess, the recess is the setting of T type, the shape of slider is the matching setting with the shape of recess, the first connecting plate of one end fixedly connected with on ground is kept away from to the slider, a lateral wall fixed connection that ground was kept away from to first connecting plate is on second concrete seat, first connecting plate is close to the one end fixedly connected with second connecting plate of first concrete seat, the first bed plate setting of second connecting plate laminating, a lateral wall fixed connection that first bed plate was kept away from to the second connecting plate is on second concrete seat.
Preferably, the latch device includes that fixed connection keeps away from the one of ground and serves spacing seat at two first bed plates and two second bed plates, be equipped with the through-hole in the spacing seat, spacing seat all is equipped with the spacing groove, two on being close to two symmetrical lateral walls of two first bed plates respectively spacing inslot equal sliding connection has a stopper, two the stopper is kept away from equal fixedly connected with limiting plate on two lateral walls of spacing groove, two the common fixedly connected with division board of one end that ground was kept away from to the limiting plate, the equal fixed connection of a lateral wall that the through-hole was kept away from to division board and two limiting plates is on the second concrete seat, two the one end difference fixed connection that the limiting plate is close to ground is on two second connecting plates.
Preferably, the two connecting devices comprise two connecting grooves arranged on one side wall of the second concrete seat far away from the ground, the two connecting grooves are symmetrically arranged, one ends of the two connecting grooves far away from each other penetrate through the second concrete seat, a fixed seat is fixedly connected to one side wall of the two connecting grooves near the ground, the two fixed seats are far away from each other, fixed grooves are arranged on one side wall of the two fixed seats far away from the ground, one ends of the two fixed grooves far away from each other penetrate through the fixed seat, fixed rods are slidably connected in the two fixed grooves, the two fixed grooves are arranged in a square shape, the shapes of the two fixed rods are respectively matched with the two fixed seats, one ends of the fixed rods far away from the fixed grooves are fixedly connected with a second baffle, and one side wall of the two connecting grooves near each other is provided with a limiting seat, two ground setting is all kept away from to the restriction seat, two all be equipped with the restriction groove on two lateral walls that the restriction seat was kept away from each other, two equal sliding connection has the restriction board in the restriction groove, two the restriction board is kept away from the one end in restriction groove and is all run through the second baffle setting, the both ends difference fixed connection of railing is on two second baffles that are located the second concrete seat of difference.
Preferably, one end of the limiting plate far away from the limiting groove is fixedly connected with a pull ring.
Preferably, two all be equipped with the concave-convex layer on the first bed plate and two second bed plates are close to four lateral walls of first concrete seat.
The invention has the beneficial effects that: in the device, a user can fix the first base plate, the second base plate and the third base plate on the ground by means of the first concrete seat, and then fix the second concrete seat on the ground by means of the sliding device and the clamping device, so that the setting work of the guardrail pile is finished, the second concrete seat positioned on the outer side can greatly protect the first concrete seat positioned on the inner side from being damaged, when the second concrete seat is damaged and needs to be replaced and maintained, the user can extremely conveniently finish the replacement of the second concrete seat by means of the sliding device and the clamping device, the maintenance work is finished more quickly while manpower and material resources are saved, the maintenance cost of the user is greatly saved, the normal trip work of people is ensured, and the user can extremely conveniently finish the installation and replacement work of the guardrail by means of the connecting device in the device, the use of the user is further convenient, and the maintenance cost of the user is saved.
Drawings
Fig. 1 is a side sectional view of a modified structure of a concrete fence for a road bridge according to the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1;
FIG. 3 is an enlarged view of the structure B of FIG. 1;
fig. 4 is a front structural sectional view of a modified structure of a concrete guard rail for a road bridge according to the present invention;
fig. 5 is an enlarged view of the structure C of fig. 4.
In the figure: the concrete foundation comprises a base, 1 ground, 2 first foundation plates, 3 second foundation plates, 4 first concrete seats, 5 third foundation plates, 6 second concrete seats, 7 railings, 8 grooves, 9 sliding blocks, 10 first connecting plates, 11 second connecting plates, 12 limiting seats, 13 through holes, 14 limiting blocks, 15 limiting plates, 16 isolating plates, 17 connecting grooves, 18 fixing seats, 19 fixing grooves, 20 fixing rods, 21 second baffle plates, 22 limiting seats, 23 limiting grooves, 24 limiting plates, 25 pull rings, 26 concave-convex layers, 27 first baffle plates and 28 limiting grooves.
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.
Referring to fig. 1-5, a modified structure of a concrete guardrail for a highway bridge comprises two first base plates 2 which are symmetrically arranged and are arranged on a ground 1, two second base plates 3 which are symmetrically arranged and are fixedly connected between the two first base plates 2, the two second base plates 3 are arranged away from each other, a first concrete seat 4 is arranged between the two first base plates 2, the two second base plates 3 and the ground 1, the two first base plates 2, the two second base plates 3 and the ground 1 are matched to form a cavity with an opening, so that the fixing work among the ground 1, the two first base plates 2 and the two second base plates 3 can be conveniently finished by pouring the first concrete seat 4 with a fixed shape, and concave-convex layers 26 are respectively arranged on four side walls of the two first base plates 2 and the two second base plates 3, which are close to the first concrete seat 4, the concave-convex layer 26 can enable the poured first concrete seat 4 to be better fixed with the two first base plates 2 and the two second base plates 3 together, then fixing work with the ground 1 is completed, the two side walls, far away from each other, of the two first base plates 2 are fixedly connected with the third base plates 5, the two third base plates 5 are arranged close to the ground 1, the two first connecting plates 10 cannot directly contact the rough ground 1 in the sliding process due to the arrangement of the two third base plates 5, then the first connecting plates 10 can slide more conveniently and more easily, and then installation work of a user is more convenient and simpler;
one side wall of one of the second base plates 3 far away from the first concrete seat 4 is fixedly connected with a first baffle plate 27, two ends of the first baffle plate 27 far away from the second base plate 3 are respectively fixedly connected to the two third base plates 5, the arrangement of the first baffle plate 27 limits the sliding range of the two first connecting plates 10, so that the two first connecting plates 10 cannot be separated from the third base plates 5 due to excessive sliding, the integrity of the device is ensured, one side wall of the two third base plates 5 far away from the ground 1 is provided with a sliding device, the sliding device comprises a groove 8 arranged on one side wall of the third base plate 5 far away from the ground 1, a sliding block 9 is connected in the groove 8 in a sliding manner, the arrangement of the groove 8 and the sliding block 9 enables the first connecting plate 10 to slide on the third base plate 5 along an appointed track, the assembly stability is ensured, the groove 8 is in a T-shaped arrangement, the shape of the sliding block 9 is matched with that of the groove 8, the T-shaped arrangement enables the sliding block 9 to slide in the groove 8 more stably without separation, so that the first connecting plate 10 cannot be separated from the third base plate 5, the stability of the device is ensured, one end of the sliding block 9 far away from the ground 1 is fixedly connected with the first connecting plate 10, one side wall of the first connecting plate 10 far away from the ground 1 is fixedly connected on the second concrete seat 6, one end of the first connecting plate 10 close to the first concrete seat 4 is fixedly connected with the second connecting plate 11, the second connecting plate 11 is arranged to be attached to the first base plate 2, one side wall of the second connecting plate 11 far away from the first base plate 2 is fixedly connected on the second concrete seat 6, the arrangement enables the device to be simpler and more convenient in assembly sliding, one ends of the two first base plates 2 and the two second base plates 3 far away from the ground 1 are provided with the second concrete seat 6 through a clamping device, the clamping device comprises a limiting seat 12 fixedly connected to one ends, far away from the ground 1, of the two first base plates 2 and the two second base plates 3, a through hole 13 is formed in the limiting seat 12, and the through hole 13 enables a user to directly and conveniently pour concrete between the two first base plates 2, the two second base plates 3 and the ground 1 to form a first concrete seat 4 so as to finish fixing work;
the two symmetrical side walls of the limiting seat 12 respectively close to the two first base plates 2 are respectively provided with a limiting groove 28, the two limiting grooves 28 are respectively connected with a limiting block 14 in a sliding manner, the arrangement of the limiting blocks 14 and the limiting grooves 28 ensures that the second concrete seat 6 can be stably kept on the first concrete seat 4 to complete the fixation, and then the guardrail pile can be smoothly assembled, the two side walls of the two limiting blocks 14 far away from the limiting grooves 28 are respectively fixedly connected with a limiting plate 15, one ends of the two limiting plates 15 far away from the ground 1 are jointly and fixedly connected with a partition plate 16, the partition plate 16 and one side wall of the two limiting plates 15 far away from the through hole 13 are respectively and fixedly connected on the second concrete seat 6, so that one ends of the two limiting plates 15 close to the ground 1 are respectively and fixedly connected on the two second connecting plates 11, and thus the first concrete seat 4 and the second concrete seat 6 are, the sliding can be completed more smoothly, so that the second concrete seat 6 positioned at the outer side can protect the first concrete seat 4 positioned at the inner side, when the second concrete seat 6 is damaged, the replacement work can be completed quickly and conveniently, the use by a user is greatly facilitated, the maintenance cost of the user is saved, and people can go out normally, two sliding devices are fixedly connected to the second concrete seat 6, two symmetrically arranged connecting devices are arranged in one end of the second concrete seat 6, which is far away from the ground 1, a handrail 7 is arranged between the two connecting devices positioned on different second concrete seats 6, the two connecting devices comprise two connecting grooves 17 arranged on one side wall of the second concrete seat 6, which is far away from the ground 1, the two connecting grooves 17 are symmetrically arranged, one ends, which are far away from each other, of the two connecting grooves 17 are arranged to penetrate through the second concrete seat 6, the fixing rod 20 can be smoothly connected with the second baffle 21 through the penetrating arrangement, the fixing rod cannot be interfered in the moving process, the fixing seats 18 are fixedly connected to one side wall of each connecting groove 17, which is close to the ground 1, and the two fixing seats 18 are arranged away from each other;
the side walls of the two fixing seats 18 far away from the ground 1 are respectively provided with a fixing groove 19, the ends of the two fixing grooves 19 far away from each other penetrate through the fixing seats 18, the two fixing grooves 19 are respectively connected with a fixing rod 20 in a sliding manner, the fixing rods 20 can be stably placed at a designated position due to the arrangement of the fixing grooves 19, no deflection or other accidents occur, the two fixing grooves 19 are both arranged in a square manner, the shapes of the two fixing rods 20 are respectively matched with those of the two fixing seats 18, the fixing rods 20 cannot rotate in the fixing grooves 19 due to the square arrangement, the stability of the fixing rods is further ensured, one ends of the fixing rods 20 far away from the fixing grooves 19 are fixedly connected with second baffles 21, as shown in figure 4, two first baffles 27 arranged on two sides of the two devices are matched with the two second baffles 21 to clamp two sides of a second concrete seat 6, so that the second concrete, then the stability of the device is ensured, be equipped with restriction seat 22 on the lateral wall that two spread grooves 17 are close to each other, ground 1 setting is all kept away from to two restriction seats 22, all be equipped with restriction groove 23 on two lateral walls that two restriction seats 22 kept away from each other, equal sliding connection has limiting plate 24 in two restriction grooves 23, the one end that limiting groove 23 was kept away from to two limiting plate 24 all runs through second baffle 21 and sets up, restriction groove 23 and limiting plate 24's cooperation makes use, it can be completely held after placing dead lever 20 in fixed slot 19, the condition that breaks away from fixed slot 19 can not appear, then the stability of railing 7 has been guaranteed, limiting plate 24 keeps away from the one end fixedly connected with pull ring 25 of restriction groove 23, the setting up of pull ring 25 has made things convenient for user pulling limiting plate 24, make limiting plate 24 accomplish the restriction to dead lever 20 smoothly, make it can not break away from fixed slot 19, the both ends difference fixed connection of railing 7 is on two second baffles 21 that lie in different second concrete seats Once, the installation and replacement of the handrail 7 can be simply and conveniently completed, so that the use of a user is further facilitated, and the maintenance cost of the user is saved.
In the invention, when a user uses the device, firstly, two third base plates 5 are placed on the appointed position of the ground 1, so that the first base plate 2, the second base plate 3 and the limiting seat 12 are placed on the appointed position, then, concrete is poured between the first base plate 2, the second base plate 3 and the ground 1 through the through hole 13 to form a first concrete seat 4, the fixing work of the ground 1 and the first base plate 2 and the second base plate 3 is completed, then, the limiting block 14 is aligned to the limiting groove 28, the slide block 9 is aligned to the groove 8, the second concrete seat 6 is pushed until the second concrete seat 6 and the first connecting plate 10 contact the first baffle 27, thus, the setting work of the guardrail pile in the device is completed, the device is extremely convenient and simple, and when the second concrete seat 6 positioned on the outer side is damaged, the installation work can be rapidly and conveniently completed, very big user's that has made things convenient for use, user's maintenance cost has been saved, people can normally go on a journey have been guaranteed, fixed slot 19 on aligning two dead levers 20 on two devices is put down after that, make dead lever 20 joint in fixed slot 19, so two second baffles 21 just cooperate two first baffles 27 that are located both sides to further accomplish the fixed to second concrete seat 6, then the stability of device has been guaranteed, promote limiting plate 24 after that, make limiting plate 24 joint in limiting groove 23, accomplish the fixed to dead lever 20, make dead lever 20 unable break away from fixed slot 19, so convenient and simple's completion railing 7's setting, also can be with convenient and fast completion installation change work when needs are maintained, very big user's use has been made things convenient for, user's maintenance cost has been saved.
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 (4)
1. The utility model provides a transformation structure of concrete guardrail for public road bridge roof beam, is first bed plate (2) that the symmetry set up including setting up two on ground (1), its characterized in that, two second bed plate (3) that two fixedly connected with are the symmetry and set up between first bed plate (2), two second bed plate (3) keep away from each other and set up, two first bed plate (2), two second bed plate (3) and ground (1) between be equipped with first concrete seat (4), two equal fixedly connected with third bed plate (5), two on two lateral walls that first bed plate (2) kept away from each other third bed plate (5) all are close to ground (1) and set up, one of them first baffle (27) of fixedly connected with on the lateral wall that first concrete seat (4) were kept away from in second bed plate (3), the both ends that second bed plate (3) were kept away from in first baffle (27) are fixed connection respectively at two third bed plates (2), two one of them is fixed connection to first baffle (27) The concrete foundation is characterized in that sliding devices are arranged on the base plates (5) and one side wall, far away from the ground (1), of each of the two third base plates (5), a second concrete seat (6) is arranged at one end, far away from the ground (1), of each of the two first base plates (2) and the two second base plates (3) through a clamping device, the two sliding devices are fixedly connected to the second concrete seat (6), two symmetrically arranged connecting devices are arranged in one end, far away from the ground (1), of each second concrete seat (6), and a railing (7) is arranged between the two connecting devices on different second concrete seats (6); the sliding device comprises a groove (8) arranged on one side wall of the third base plate (5) far away from the ground (1), a sliding block (9) is connected in the groove (8) in a sliding way, the groove (8) is arranged in a T shape, the shape of the sliding block (9) is matched with that of the groove (8), one end of the sliding block (9) far away from the ground (1) is fixedly connected with a first connecting plate (10), one side wall of the first connecting plate (10) far away from the ground (1) is fixedly connected to the second concrete seat (6), one end of the first connecting plate (10) close to the first concrete seat (4) is fixedly connected with a second connecting plate (11), the second connecting plate (11) is arranged by being attached to the first base plate (2), and one side wall, far away from the first base plate (2), of the second connecting plate (11) is fixedly connected to the second concrete seat (6);
clamping device includes that fixed connection keeps away from one of ground (1) spacing seat (12) on one end including two first bed plates (2) and two second bed plates (3), be equipped with through-hole (13) in spacing seat (12), spacing seat (12) all are equipped with spacing groove (28), two on being close to two symmetrical lateral walls of two first bed plates (2) respectively spacing groove (28) equal sliding connection has stopper (14), two in spacing groove (28) equal fixedly connected with limiting plate (15) on keeping away from two lateral walls of spacing groove (28) stopper (14), two the common fixedly connected with division board (16) of one end of ground (1) is kept away from in limiting plate (15), the equal fixed connection of a lateral wall of through-hole (13) is kept away from on second concrete seat (6) to division board (16) and two limiting plate (15) the one end difference fixed connection that limiting plate (15) are close to ground (1) is on two second connecting plates (11).
2. The improved structure of the concrete guardrail for the highway bridge as claimed in claim 1, wherein two connecting devices comprise two connecting slots (17) arranged on one side wall of the second concrete seat (6) far away from the ground (1), the two connecting slots (17) are symmetrically arranged, one ends of the two connecting slots (17) far away from each other are arranged through the second concrete seat (6), one side wall of the two connecting slots (17) near the ground (1) is fixedly connected with a fixed seat (18), the two fixed seats (18) are arranged far away from each other, one side wall of the two fixed seats (18) far away from the ground (1) is provided with a fixed slot (19), one ends of the two fixed slots (19) far away from each other are arranged through the fixed seat (18), and the fixed rods (20) are slidably connected in the two fixed slots (19), the two fixing grooves (19) are both arranged in a square shape, the shapes of the two fixing rods (20) are respectively matched with the two fixing seats (18), one end, far away from the fixed groove (19), of the fixed rod (20) is fixedly connected with a second baffle plate (21), one side wall, close to each other, of the two connecting grooves (17) is provided with a limiting seat (22), the two limiting seats (22) are both far away from the ground (1), two side walls, far away from each other, of the two limiting seats (22) are both provided with a limiting groove (23), limiting plates (24) are slidably connected in the two limiting grooves (23), one end, far away from the limiting groove (23), of each limiting plate (24) penetrates through the second baffle plate (21) to be arranged, and two ends of the railing (7) are respectively and fixedly connected to two second baffle plates (21) positioned on different second concrete seats (6).
3. The improved structure of a concrete guardrail for a road and bridge according to claim 2, wherein a pull ring (25) is fixedly connected to one end of the limiting plate (24) far away from the limiting groove (23).
4. The improved structure of a concrete guardrail for a road and bridge according to claim 1, characterized in that the two first foundation plates (2) and the two second foundation plates (3) are provided with concave-convex layers (26) on the four side walls close to the first concrete seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162648.8A CN110886212B (en) | 2019-11-25 | 2019-11-25 | Improved structure of concrete guardrail for highway bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162648.8A CN110886212B (en) | 2019-11-25 | 2019-11-25 | Improved structure of concrete guardrail for highway bridge |
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| CN110886212A CN110886212A (en) | 2020-03-17 |
| CN110886212B true CN110886212B (en) | 2021-07-09 |
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| CN113373813B (en) * | 2021-06-04 | 2022-12-16 | 安徽智恒机械设备有限公司 | Auxiliary mounting device for quickly mounting road screen |
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| WO2011014131A1 (en) * | 2009-07-25 | 2011-02-03 | VÁHOSTAV-SK-PREFA, s. r. o. | Sliding precast reinforced concrete barrier with a cam lock |
| KR20110131633A (en) * | 2010-05-31 | 2011-12-07 | 주식회사 에코산업 | Median strip for road |
| CN104480857A (en) * | 2014-12-04 | 2015-04-01 | 熊达煜 | Highway bridge outer edge modularized guardrail structure and mounting construction method thereof |
| KR101647608B1 (en) * | 2015-12-10 | 2016-08-10 | 정찬욱 | Easy rotation sliding cover-type balustrde |
| CN109653089A (en) * | 2018-12-28 | 2019-04-19 | 贵州大学 | A kind of guard bar structure |
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| CN201605552U (en) * | 2009-12-31 | 2010-10-13 | 中浩建设股份有限公司 | T-shaped concrete isolation strip for motorway |
| CN203346828U (en) * | 2013-03-08 | 2013-12-18 | 福尔克曼&罗斯巴赫有限两合公司 | Roadway isolation pier |
| CN205188874U (en) * | 2015-12-08 | 2016-04-27 | 中泰国际高新技术有限公司 | Hard shoulder |
| CN205636575U (en) * | 2016-05-05 | 2016-10-12 | 王秀杰 | Municipal administration highway isolating device convenient to dismantle |
| CN107165100A (en) * | 2017-07-14 | 2017-09-15 | 长兴明强精密铸件厂（普通合伙） | A kind of guardrail being convenient for changing |
| CN107988903B (en) * | 2017-12-11 | 2019-03-01 | 郑州航空工业管理学院 | A kind of bridge protective fence |
| CN209277054U (en) * | 2018-11-26 | 2019-08-20 | 常州恒通交通设施有限公司 | A kind of highway barrier being conveniently replaceable |
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2019
- 2019-11-25 CN CN201911162648.8A patent/CN110886212B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011014131A1 (en) * | 2009-07-25 | 2011-02-03 | VÁHOSTAV-SK-PREFA, s. r. o. | Sliding precast reinforced concrete barrier with a cam lock |
| KR20110131633A (en) * | 2010-05-31 | 2011-12-07 | 주식회사 에코산업 | Median strip for road |
| CN104480857A (en) * | 2014-12-04 | 2015-04-01 | 熊达煜 | Highway bridge outer edge modularized guardrail structure and mounting construction method thereof |
| KR101647608B1 (en) * | 2015-12-10 | 2016-08-10 | 정찬욱 | Easy rotation sliding cover-type balustrde |
| CN109653089A (en) * | 2018-12-28 | 2019-04-19 | 贵州大学 | A kind of guard bar structure |
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| CN110886212A (en) | 2020-03-17 |
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