CN112681878B - Protective bracket for building engineering construction - Google Patents
Protective bracket for building engineering construction Download PDFInfo
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- CN112681878B CN112681878B CN202110079697.6A CN202110079697A CN112681878B CN 112681878 B CN112681878 B CN 112681878B CN 202110079697 A CN202110079697 A CN 202110079697A CN 112681878 B CN112681878 B CN 112681878B
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Abstract
The invention discloses a protective bracket for construction of constructional engineering, which comprises a fixing frame, a folding frame and a buffer frame, and has the beneficial effects that the protective bracket is integrally unfolded to be a quarter circle in overlooking mode, the diameter of the circle is 3-10 meters, the protective bracket can be used for corresponding specifications, bridge vehicles can be prevented from being jammed caused by long-distance arrangement of the protective bracket, the protective bracket is applicable to both uphill and downhill of arched bridges, the protective bracket can be integrally folded, the transportation occupied space of the protective bracket is reduced, the use convenience is greatly improved, the impact force is low, the impact object can be quickly stopped, the maintenance personnel can be prevented from being damaged, the impact force is high to the greatest extent when the speed is high, the automobile head can be jacked at the moment when the impact force is overlarge, the front wheels are idle, the secondary moving impact is avoided, the maintenance personnel have a certain time to keep away from an accident point in the time of the protective bracket, and the self safety is ensured.
Description
Technical Field
The invention relates to the technical field of building engineering, in particular to a protective bracket for building engineering construction.
Background
The building refers to an asset formed by artificial building, belongs to the category of fixed assets, and comprises two major categories of houses and constructions. Houses refer to engineering structures for people to live, work, learn, produce, manage, entertain, store items and perform other social activities. The building is distinguished from a building, which refers to an engineering building other than a house, such as a fence, a road, a dam, a well, a tunnel, a water tower, a bridge, a chimney, etc., and when the bridge construction engineering is constructed, a nearby protective bracket needs to be arranged for the safety of a constructor.
However, the protection support for bridge construction engineering construction at present is mostly a protection support with a very long end supporting pier penetrating through a steel pipe, the protection support is very long in arrangement and inconvenient to transport and move, a long-distance road of a bridge is narrowed, serious traffic jam is easily caused, the protection support has a certain protection effect with small corresponding impact force, the protection support is very easy to collide with the impact force, accident personnel are involved, and the safety coefficient is very low.
Therefore, we propose a protective bracket for construction engineering construction.
Disclosure of Invention
The invention aims to provide a protective bracket for construction engineering construction, which is characterized in that a main body formed by a fixing frame, a folding frame and a buffer frame is unfolded and overlooked to be in a quarter circle, the diameter of the circle is 3-10 m, a buffer piece can be clamped in an upper fixing piece, the folding frame can be folded inwards, the protective bracket can be folded as a whole, when an automobile or a non-motor vehicle collides with the protective bracket, the protective bracket has low speed and small collision force, a movable inner column can be compressed inwards, a first repulsive piece and a second repulsive piece can buffer the collision force, when the speed is high, the collision force is high, the first repulsive piece and the second repulsive piece are compressed to the bottom, and then the buffer spring is compressed, at the moment, the buffer effect of the buffer spring and the stabilizing effect of a triangle formed by the buffer piece and an upper fixing piece can resist the collision force to the greatest extent, when the collision force is overlarge, the protective bracket can also have a triangle shape after the automobile or the non-motor vehicle collides with the protective bracket, at the moment, the front wheel can be jacked, the front wheel can be prevented from moving and the collision for the second time, and in addition, in the protective bracket has a certain time, the safety accident is kept away from the safety point, and the safety problem is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the protective bracket for the construction of the building engineering comprises a fixing frame, a folding frame and a buffer frame, wherein the fixing frame is fixedly connected with one side of the folding frame, and two ends of the buffer frame are fixedly connected with the folding frame;
the fixing frame comprises a supporting frame and a fixed bottom pad, one end of the fixed bottom pad is fixedly connected with the supporting frame, and the fixed bottom pad is provided with a mounting screw hole in a penetrating way;
the folding frame comprises an upper folding piece, a vertical folding piece, a bottom folding pad and a folding protection frame, wherein the upper folding piece is fixedly connected with the upper end of the vertical folding piece, the vertical folding piece is fixedly connected with the lower end of the bottom folding pad, the upper folding piece, the vertical folding piece and the bottom folding pad form a main body, and the folding protection frame is arranged on the inner side of the vertical folding piece;
the buffer frame comprises an upper fixing piece, a bottom fixing piece and a buffer piece, wherein the bottom fixing piece is fixedly connected with the lower end of the upper fixing piece, the upper end of the buffer piece is fixedly connected with the upper fixing piece and is folded on the inner side of the upper fixing piece, the buffer piece comprises a mounting head, a first rotating column, a movable inner column, a supporting outer column, a second rotating column and a supporting chassis, the first rotating column is fixedly arranged at two ends of the mounting head, the mounting head is fixedly arranged at the upper end of the movable inner column, the lower end of the movable inner column is movably connected with the supporting outer column, the second rotating column is fixedly arranged at two sides outside the lower end of the supporting outer column, the second rotating column is movably connected with the inner side of the supporting chassis, a fixed screw hole is further formed in the supporting chassis, a first rejection sheet is arranged at the lower end of the movable inner column, a second rejection sheet is arranged on the inner side of the supporting outer column, and the first rejection sheet and the second rejection sheet are members made of permanent magnet materials and are magnetically repelled.
Further, the folding protection frame comprises a first sliding part, a first connecting rod, a second sliding part, a second connecting rod and a movable pin, wherein the first sliding part is fixedly arranged at two ends of the first connecting rod, the second sliding part is fixedly arranged at two ends of the second connecting rod, and the middle parts of the first connecting rod and the second connecting rod are movably connected through the movable pin.
Further, folding protection frame standing grooves are formed in the inner sides of the two sides of the upper fixing piece, sliding grooves are formed in the upper end and the lower end of the upper fixing piece, located on the inner sides of the folding protection frame standing grooves, of the upper fixing piece, and the sliding grooves are matched with the first sliding piece and the second sliding piece respectively.
Further, the bottom fixing piece is internally provided with a balancing weight which is a component made of lead materials.
Further, a buffer spring and a mounting pad are arranged in the support outer column, the upper end of the buffer spring is fixedly connected with the lower end of the second repulsive plate, and the lower end of the buffer spring is fixedly connected with the upper end of the mounting pad.
Further, the main body formed by the fixing frame, the folding frame and the buffer frame is unfolded to be a quarter circle in a top view, and the diameter of the circle is 3-10 meters.
Compared with the prior art, the invention has the following beneficial effects:
1. the main body formed by the fixing frame, the folding frame and the buffer frame is unfolded to be a quarter circle in overlooking mode, the diameter of the circle is 3-10 meters, the circle corresponds to the line spacing of a bridge road line, the protection support can be used according to the required maintenance area of the bridge and the corresponding specification, the protection support can also be relatively close to a maintenance point, the bridge vehicle congestion caused by the long-distance arrangement of the protection frame is avoided, and the protection support is applicable to the ascending slope and the descending slope of an arched bridge.
2. According to the protective bracket for construction engineering, the upper folding piece, the vertical folding piece and the bottom folding pad form the main body, the folding protective frame is arranged on the inner side of the vertical folding piece, the upper end of the buffer piece is fixedly connected with the upper fixing piece and folded on the inner side of the upper fixing piece, the buffer piece can be clamped in the upper fixing piece, and the folding frame can be folded inwards, so that the protective bracket can be folded integrally, the transportation occupied space of the protective bracket is reduced, and the use convenience is greatly improved.
3. The invention provides a protective bracket for construction engineering construction, wherein a first repulsive piece is arranged at the lower end of a movable inner column, a second repulsive piece is arranged at the inner side of a supporting outer column, the first repulsive piece and the second repulsive piece are both members made of permanent magnet materials and are magnetically repulsive, when an automobile or a non-motor vehicle impacts the protective bracket, the movable inner column is compressed inwards due to low speed and small impact force, the repulsive force of the first repulsive piece and the second repulsive piece can buffer the impact force, and under the protection effect of the whole protective bracket, the impacting object can be stopped rapidly, and maintenance personnel can be prevented from being damaged.
4. According to the protective bracket for construction engineering, the buffer spring and the mounting pad are further arranged in the support outer column, the upper end of the buffer spring is fixedly connected with the lower end of the second repulsive piece, the lower end of the buffer spring is fixedly connected with the upper end of the mounting pad, when the speed is high, the impact force is high, the first repulsive piece and the second repulsive piece are compressed to the bottom, and then the buffer spring is compressed, at the moment, the buffer effect of the buffer spring and the stabilizing effect of the triangle formed by the buffer piece and the upper fixing piece can resist the impact force to the greatest extent, when the impact force is overlarge, the protective bracket is knocked over integrally, the protective bracket can be in a triangle shape after being reversed, at the moment, the automobile head can be jacked up, the front wheel is empty, the secondary moving impact is avoided, in the anti-collision time of the protective bracket, a maintainer has a certain time to be far away from an accident point, and the self safety is ensured.
Drawings
FIG. 1 is a schematic diagram of an overall folding structure of a protective bracket for construction of building engineering;
FIG. 2 is a schematic diagram of a uniformly distributed unfolding structure of the protective bracket for construction of the building engineering;
FIG. 3 is a schematic view of a folding frame perspective structure of the protective bracket for construction of the building engineering;
FIG. 4 is a schematic view of the unfolded inner planar structure of the folding protective frame of the protective frame for construction of the building engineering of the present invention;
FIG. 5 is a schematic view showing a folding perspective structure of a buffer frame of the protective bracket for construction of the building engineering;
FIG. 6 is a schematic perspective view of a buffer member of the protective bracket for construction of the building engineering of the present invention;
fig. 7 is a schematic view of the internal planar structure of the buffer member of the protective bracket for construction of the building engineering.
In the figure: 1. a fixing frame; 11. a support; 12. fixing the bottom pad; 13. installing a screw hole; 2. a folding frame; 21. an upper folder; 22. a vertical folding member; 23. a bottom folding pad; 24. folding the protective frame; 241. a first slider; 242. a first connecting rod; 243. a second slider; 244. a second connecting rod; 245. a movable pin; 3. a buffer frame; 31. an upper fixing member; 311. folding the protective frame placing groove; 312. a chute; 32. a bottom fixing member; 321. balancing weight; 33. a buffer member; 331. a mounting head; 332. a first rotating column; 333. a movable inner column; 3331. a first repulsive sheet; 334. supporting the outer column; 3341. a second repulsive sheet; 3342. a buffer spring; 3343. a mounting pad; 335. a second rotating column; 336. a support chassis; 337. fixing screw holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a protective bracket for construction engineering comprises a fixing frame 1, a folding frame 2 and a buffer frame 3, wherein the fixing frame 1 is fixedly connected with one side of the folding frame 2, two ends of the buffer frame 3 are fixedly connected with the folding frame 2, a main body formed by the fixing frame 1, the folding frame 2 and the buffer frame 3 is unfolded and overlooked to be a quarter circle, the diameter of the circle is 3-10 m, the distance between the main body and a road line of a bridge corresponds to that between the main body and the road line of the bridge, the area of the bridge can be maintained according to the requirement, the protective bracket is used in the corresponding specification, the protective bracket can be relatively close to a maintenance point, the bridge vehicle congestion caused by the protective frame is avoided due to long distance arrangement, and the protective bracket is applicable to the ascending slope and the descending slope of an arched bridge. The fixing frame 1 comprises a supporting frame 11 and a fixed bottom pad 12, one end of the fixed bottom pad 12 is fixedly connected with the supporting frame 11, and a mounting screw hole 13 is formed in the fixed bottom pad 12 in a penetrating mode.
Referring to fig. 3-4, a protective bracket for construction of constructional engineering, the folding frame 2 includes an upper folding member 21, a vertical folding member 22, a bottom folding pad 23 and a folding protective frame 24, the upper folding member 21 is fixedly connected with the upper end of the vertical folding member 22, the vertical folding member 22 is fixedly connected with the lower end of the bottom folding pad 23, the upper folding member 21, the vertical folding member 22 and the bottom folding pad 23 form a main body, and the folding protective frame 24 is arranged on the inner side of the vertical folding member 22.
The folding protection frame 24 comprises a first sliding part 241, a first connecting rod 242, a second sliding part 243, a second connecting rod 244 and a movable pin 245, wherein the first sliding part 241 is fixedly arranged at two ends of the first connecting rod 242, the second sliding part 243 is fixedly arranged at two ends of the second connecting rod 244, the middle parts of the first connecting rod 242 and the second connecting rod 244 are movably connected through the movable pin 245, folding protection frame placing grooves 311 are formed in the inner sides of two sides of the upper fixing part 31, sliding grooves 312 are formed in the upper end and the lower end of the upper fixing part 31 which are positioned in the inner sides of the folding protection frame placing grooves 311, the sliding grooves 312 are respectively matched with the first sliding part 241 and the second sliding part 243, and the folding protection frame 24 can be folded and can improve the anti-collision effect and the supporting effect of the protection frame main body.
Referring to fig. 5-7, a protective bracket for construction engineering is disclosed, a buffer member 33 can be clamped in an upper fixing member 31, a folding frame 2 can be folded inwards, so that the protective bracket can be folded integrally, the transportation occupied space of the protective bracket is reduced, the convenience in use is greatly improved, the buffer frame 3 comprises an upper fixing member 31, a bottom fixing member 32 and the buffer member 33, the bottom fixing member 32 is fixedly connected with the lower end of the upper fixing member 31, a balancing weight 321 is arranged in the bottom fixing member 32, the balancing weight 321 is a member made of lead material, the bottom supporting force is improved, the upper end of the buffer member 33 is fixedly connected with the upper fixing member 31, and the buffer member 33 is folded inside the upper fixing member 31.
The buffer member 33 comprises a mounting head 331, a first rotating column 332, a movable inner column 333, a supporting outer column 334, a second rotating column 335 and a supporting chassis 336, wherein the first rotating column 332 is fixedly arranged at two ends of the mounting head 331, the upper end of the movable inner column 333 is fixedly provided with the mounting head 331, the lower end of the movable inner column 333 is movably connected with the supporting outer column 334, the second rotating column 335 is fixedly arranged at two sides outside the lower end of the supporting outer column 334, the second rotating column 335 is movably connected with the inner side of the supporting chassis 336, and a fixing screw hole 337 is further formed in the supporting chassis 336.
The lower end of the movable inner column 333 is provided with a first repulsive piece 3331, the inner side of the supporting outer column 334 is provided with a second repulsive piece 3341, and the first repulsive piece 3331 and the second repulsive piece 3341 are both members made of a permanent magnet material and are magnetically repulsive.
When an automobile or a non-motor vehicle collides with the protective support, the movable inner column 333 is compressed inwards due to low collision force, the first repulsive plate 3331 and the second repulsive plate 3341 can buffer the collision force, and under the protection effect of the whole protective support, the collision object can be stopped rapidly, and maintenance personnel can be prevented from being damaged.
The support outer column 334 is further provided with a buffer spring 3342 and a mounting pad 3343 inside, the upper end of the buffer spring 3342 is fixedly connected with the lower end of the second repelling sheet 3341, and the lower end of the buffer spring 3342 is fixedly connected with the upper end of the mounting pad 3343.
When the speed is fast, the impact force is big for first repulsion piece 3331 and second repulsion piece 3341 compress to the end, and then compress buffer spring 3342, buffer effect and buffer 33 and the triangle-shaped's that last mounting 31 constitutes of buffer spring 3342 stabilize the effect this moment, but the biggest impact force of resistance, when the impact force too big, with the whole protective bracket of bumping, can also be triangle-shaped after the protective bracket reverse, can jack up the locomotive this moment, make the front wheel stagnate, avoid the secondary to remove the striking, and in protective bracket anticollision time, maintenance personnel have certain time to keep away from the accident point, guarantee self safety.
To sum up: the invention provides a protective bracket for construction engineering construction, which comprises a fixing bracket 1, a folding bracket 2 and a buffer bracket 3, wherein a main body formed by the fixing bracket 1, the folding bracket 2 and the buffer bracket 3 is unfolded and overlooked to be a quarter circle, the diameter of the circle is 3-10 meters, the distance between the main body and the buffer bracket corresponds to the line space of a bridge road, the protective bracket can be used according to the required maintenance area of the bridge, the protective bracket can also be relatively close to a maintenance point according to the specification, the bridge vehicle congestion caused by the long-distance arrangement of the protective bracket is avoided, the protective bracket is applicable to the ascending slope and the descending slope of an arched bridge, an upper folding piece 21, a vertical folding piece 22 and a bottom folding pad 23 form a main body, a folding protective bracket 24 is arranged on the inner side of the vertical folding piece 22, the upper end of the buffer piece 33 is fixedly connected with an upper fixing piece 31 and is folded on the inner side of the upper fixing piece 31, the buffer piece 33 can be clamped in the upper fixing piece 31, the folding bracket 2 can be folded inwards, the whole protective bracket can be folded, the transportation occupation space of the protective bracket is reduced, the use convenience is greatly improved, the lower end of the movable inner column 333 is provided with a first repulsive piece 3331, the inner side of the supporting outer column 334 is provided with a second repulsive piece 3341, the first repulsive piece 3331 and the second repulsive piece 3341 are both members made of permanent magnet materials and are magnetically repulsive, when an automobile or a non-motor vehicle impacts the protective bracket, the movable inner column 333 is compressed inwards due to low speed and small impact force, the repulsive force of the first repulsive piece 3331 and the second repulsive piece 3341 can buffer the impact force, under the protection effect of the whole protective bracket, the impact can be stopped rapidly, the maintainer can be ensured not to be injured by any, the inside of the supporting outer column 334 is also provided with a buffer spring 3342 and a mounting pad 3343, the upper end of buffer spring 3342 and the lower extreme fixed connection of second repulsion piece 3341, buffer spring 3342's lower extreme and mounting pad 3343's upper end fixed connection, when fast, the impact is big, make first repulsion piece 3331 and second repulsion piece 3341 compress to the end, and then compress buffer spring 3342, buffer spring 3342's buffering effect and buffer 33 and last mounting 31 constitute's triangle-shaped's stable effect this moment, but the impact is resisted to the maximum degree, when the impact is too big, with the whole protective bracket that bumps into turns over, the protective bracket is still triangle-shaped after reversing, can jack-up the locomotive this moment, make the front wheel stagnate, avoid the secondary removal striking, moreover in protective bracket anticollision time, maintenance personnel have certain time to keep away from the accident point, guarantee self safety.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a protection support is used in building engineering construction, includes mount (1), folding leg (2) and buffer frame (3), its characterized in that: the fixing frame (1) is fixedly connected with one side of the folding frame (2), and two ends of the buffer frame (3) are fixedly connected with the folding frame (2);
the fixing frame (1) comprises a supporting frame (11) and a fixed bottom pad (12), one end of the fixed bottom pad (12) is fixedly connected with the supporting frame (11), and a mounting screw hole (13) is formed in the fixed bottom pad (12) in a penetrating manner;
the folding frame (2) comprises an upper folding piece (21), a vertical folding piece (22), a bottom folding pad (23) and a folding protection frame (24), wherein the upper folding piece (21) is fixedly connected with the upper end of the vertical folding piece (22), the vertical folding piece (22) is fixedly connected with the lower end of the bottom folding pad (23), the upper folding piece (21), the vertical folding piece (22) and the bottom folding pad (23) form a main body, and the folding protection frame (24) is arranged on the inner side of the vertical folding piece (22);
the buffer frame (3) comprises an upper fixing piece (31), a bottom fixing piece (32) and a buffer piece (33), wherein the bottom fixing piece (32) is fixedly connected with the lower end of the upper fixing piece (31), the upper end of the buffer piece (33) is fixedly connected with the upper fixing piece (31), and is folded on the inner side of the upper fixing piece (31), the buffer piece (33) comprises a mounting head (331), a first rotating column (332), a movable inner column (333), a supporting outer column (334), a second rotating column (335) and a supporting chassis (336), the first rotating column (332) is fixedly arranged at two ends of the mounting head (331), the upper end of the movable inner column (333) is fixedly provided with the mounting head (331), the lower end of the movable inner column (333) is movably connected with the supporting outer column (334), the second rotating column (335) is fixedly arranged on the outer two sides of the lower end of the supporting outer column (334), the inner side of the supporting chassis (336) is movably connected with the inner side of the supporting chassis (336), a fixed screw hole (337) is further formed in the supporting chassis (336), the lower end of the movable inner column (333) is provided with a first repulsive magnetic repulsive piece (33), and the first repulsive piece (33) and the second repulsive piece (33) is made of a repulsive piece (41) is repulsive piece.
2. A protective bracket for construction of building engineering as defined in claim 1, wherein: the folding protection frame (24) comprises a first sliding part (241), a first connecting rod (242), a second sliding part (243), a second connecting rod (244) and a movable pin (245), wherein the first sliding part (241) is fixedly arranged at two ends of the first connecting rod (242), the second sliding part (243) is fixedly arranged at two ends of the second connecting rod (244), and the middle parts of the first connecting rod (242) and the second connecting rod (244) are movably connected through the movable pin (245).
3. A protective bracket for construction of building engineering as defined in claim 1, wherein: folding protection frame standing grooves (311) are formed in the inner sides of the two sides of the upper fixing piece (31), sliding grooves (312) are formed in the upper end and the lower end of the upper fixing piece (31) located on the inner sides of the folding protection frame standing grooves (311), and the sliding grooves (312) are matched with the first sliding piece (241) and the second sliding piece (243) respectively.
4. A protective bracket for construction of building engineering as defined in claim 1, wherein: the bottom fixing piece (32) is internally provided with a balancing weight (321), and the balancing weight (321) is a component made of lead materials.
5. A protective bracket for construction of building engineering as defined in claim 1, wherein: the inside of supporting outer post (334) still is provided with buffer spring (3342) and mounting pad (3343), and buffer spring (3342)'s upper end and the lower extreme fixed connection of second repulsion piece (3341), buffer spring (3342)'s lower extreme and mounting pad (3343) upper end fixed connection.
6. A protective bracket for construction of building engineering as defined in claim 1, wherein: the main body formed by the fixing frame (1), the folding frame (2) and the buffer frame (3) is unfolded and overlooked to form a quarter circle, and the diameter of the circle is 3-10 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079697.6A CN112681878B (en) | 2021-01-21 | 2021-01-21 | Protective bracket for building engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079697.6A CN112681878B (en) | 2021-01-21 | 2021-01-21 | Protective bracket for building engineering construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112681878A CN112681878A (en) | 2021-04-20 |
| CN112681878B true CN112681878B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110079697.6A Active CN112681878B (en) | 2021-01-21 | 2021-01-21 | Protective bracket for building engineering construction |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724780A (en) * | 2017-10-27 | 2018-02-23 | 刘昊 | A kind of collapsible construction fence being connected firmly |
| CN210316644U (en) * | 2019-05-31 | 2020-04-14 | 李林 | Safety device that building engineering construction was used |
| CN211038075U (en) * | 2019-07-10 | 2020-07-17 | 国网宁夏电力有限公司中卫供电公司 | Join in marriage net safety warning guardrail |
| CN210737371U (en) * | 2019-09-27 | 2020-06-12 | 吕柯 | Rail guard based on road and bridge design |
| CN212175476U (en) * | 2019-11-18 | 2020-12-18 | 张萍 | Bridge guardrail anticollision institution |
| CN211524332U (en) * | 2020-01-14 | 2020-09-18 | 浙江硕谷机电科技有限公司 | Building engineering is with guardrail that has protective structure |
| CN211818646U (en) * | 2020-03-30 | 2020-10-30 | 黄皓 | Safety device is used in building engineering construction |
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Effective date of registration: 20230426 Address after: Room 2-1605, No. 558, Danyang Road, Dandong Street, Xiangshan County, Ningbo City, Zhejiang Province, 315799 Applicant after: Ningbo Huakang Luding Construction Co.,Ltd. Address before: 315702 15 households, Group 6, Xinxiaao, Xingjiao Ao Village, Huangbiao Township, Xiangshan County, Ningbo City, Zhejiang Province Applicant before: Qiu Jianliang Effective date of registration: 20230426 Address after: 315702 15 households, Group 6, Xinxiaao, Xingjiao Ao Village, Huangbiao Township, Xiangshan County, Ningbo City, Zhejiang Province Applicant after: Qiu Jianliang Address before: No.14, Yuhong Hexi 2nd Road, Dafeng City, Yancheng City, Jiangsu Province, 224000 Applicant before: Wang Yao |
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