CN109826161B - Port wharf edge elastic protection device - Google Patents
Port wharf edge elastic protection device Download PDFInfo
- Publication number
- CN109826161B CN109826161B CN201910225411.3A CN201910225411A CN109826161B CN 109826161 B CN109826161 B CN 109826161B CN 201910225411 A CN201910225411 A CN 201910225411A CN 109826161 B CN109826161 B CN 109826161B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- seat
- fixed
- buffer
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a port wharf edge elastic protection device which comprises a fixed seat, a supporting plate, a fixed block, a fixed cylinder, a first connecting seat, a second connecting seat, a protection plate, an elastic plate, a supporting seat, a connecting shaft, a movable sleeve body, a guide hole, a first buffer spring, a movable block, a fixed sleeve body, a second buffer spring and the like; the invention has reasonable and simple structure, and the fixed seat, the supporting plate, the fixed block and the fixed cylinder form a triangular shape, thereby improving the supporting and fixing stability of the supporting plate and ensuring that the upper side of the protection plate can rotate around the hinge point of the first connecting seat and the second connecting seat; the buffer spring I and the buffer spring II are arranged in the invention, so that the buffer effect of the lower side of the protection plate can be improved when the protection plate is impacted; when the protection plate is impacted, the protection plate can rotate around the hinge point of the first connecting seat and the second connecting seat to form an inclined surface, and partial impact force can be transmitted to the ground to ensure that the protection device cannot be damaged and influence the protection effect.
Description
Technical Field
The invention relates to a protective device, in particular to an elastic protective device for the edge of a port wharf.
Background
The port wharfs are arranged close to rivers or seasides, the people flow of the port wharfs is large, in order to prevent people or vehicles from falling into the rivers or the seas, a guard rail is arranged on the shore of the port wharf, and the guard rail plays a role in warning and protection; at night, people going out cannot see the position of the protective guard clearly due to dark natural color, the protective guard plays a role in warning and protecting and safety accidents of vehicles and people are easy to occur; the common guard rail only has a warning function, and when a vehicle runs at a high speed, the common guard rail collides with the guard rail and does not have a buffering effect, so that the vehicle and a driver are greatly damaged, and the arrangement of the guard rail with an elastic buffering function has certain necessity.
Disclosure of Invention
The present invention is directed to solving the above problems by providing an elastic protection device for the edge of a wharf of a harbor, which solves the problems of the prior art.
In order to solve the above problems, the present invention provides a technical solution: the utility model provides a port wharf edge elasticity protector which innovation point lies in: the device comprises a fixed seat, a supporting plate, a fixed block, a fixed cylinder, a first connecting seat, a second connecting seat, a protective plate, an elastic plate, a supporting seat, a connecting shaft, a connecting groove, a sliding block, a shell, an inner cavity, a movable sleeve body, a guide hole, a first buffer spring, a movable block, a fixed sleeve body and a second buffer spring; the bottom of the fixed seat is fixedly connected to the top surface of the edge of the port wharf, and the top of the fixed seat is fixedly connected with the bottom of the supporting plate; the left side of the fixed block is fixedly connected to the right lower side of the fixed seat, and the right upper side of the fixed block is fixedly connected with the center of the right side of the supporting plate through a fixed cylinder; the left side of the first connecting seat is fixedly connected to the top of the supporting plate, and the right side of the first connecting seat is hinged to the left side of the second connecting seat; the right side of the second connecting seat is fixedly connected with the upper left side of the protective plate; the right side surface of the protection plate is fixedly connected with an elastic plate, and the bottom of the protection plate is fixedly connected with a supporting seat; the center of the lower side of the supporting seat is longitudinally and fixedly connected with a connecting shaft, the lower side of the supporting seat is positioned in the upper side of the sliding block, and the outer side of the connecting shaft is movably connected in the connecting groove; the connecting groove is arranged in the center of the upper side of the sliding block; the lower side of the sliding block is transversely and movably connected to the middle right side of the inner cavity; the inner cavity is transversely arranged in the upper side of the shell, and a fixed sleeve body is fixedly connected to the left side in the inner cavity; the shell is positioned at the lower right side of the fixed seat, the shell is fixedly connected in the ground, the left side of the top surface of the shell is fixedly connected to the bottom surface of the fixed block, and a movable sleeve body is transversely connected inside the fixed sleeve body; the right end of the movable sleeve body is fixedly connected with the left lower side of the sliding block, and a guide hole is transversely formed in the left inner part of the movable sleeve body; the guide hole is transversely and movably connected with a movable block; a first buffer spring is arranged between the right end of the movable block and the right side of the guide hole, and a second buffer spring is arranged between the left end of the movable block and the left side surface inside the fixed sleeve body.
Preferably, the fixing seat, the supporting plate, the fixing block and the fixing column form a triangular shape.
Preferably, a warning lamp is arranged at the top of the protection plate.
Preferably, a warning reflective layer is arranged on the right side face of the elastic plate.
Preferably, the connecting shaft is vertically movably connected in the connecting groove.
Preferably, the elastic force of the first buffer spring is smaller than the elastic force of the second buffer spring.
Preferably, a buffer is arranged at the lower end of the shell, and the specific structure of the buffer is as follows: the buffer device comprises an upper buffer cover shell, a lower buffer cover shell, an inner pipe, an outer pipe, a first spring, an upper connecting rod, a lower connecting rod and a second spring; the upper buffer cover shell is fixedly connected to the lower surface of the shell; the upper buffer housing is slidably connected in the lower buffer housing, two inner pipes are fixedly connected to two sides of the top end in the cavity of the upper buffer housing, and an upper connecting rod is fixedly connected to the center position of the top end in the cavity of the upper buffer housing; both sides of the bottom end inside the cavity of the lower buffer housing are fixedly connected with an outer pipe, and the central position of the bottom end inside the cavity of the lower buffer housing is fixedly connected with a lower connecting rod; the inner tubes are connected in the corresponding outer tubes in a sliding manner, and a first spring is fixedly connected between each inner tube and each outer tube; and a second spring is fixedly connected between the upper connecting rod and the lower connecting rod.
The invention has the beneficial effects that:
(1) the invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, and the fixed seat, the supporting plate, the fixed block and the fixed cylinder form a triangular shape, thereby improving the supporting and fixing stability of the supporting plate and ensuring that the upper side of the protection plate can rotate around the hinge point of the first connecting seat and the second connecting seat.
(2) The first buffer spring and the second buffer spring are arranged in the invention, so that the buffer effect of the lower side of the protection plate can be improved when the protection plate is impacted.
(3) When the protection plate is impacted, the protection plate can rotate around the hinge point of the first connecting seat and the second connecting seat to form an inclined surface, and partial impact force can be transmitted to the ground to ensure that the protection device cannot be damaged and influence the protection effect.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of the present invention.
FIG. 3 is a schematic diagram of a buffer according to the present invention.
1-a fixed seat; 2-a support plate; 3, fixing blocks; 4-fixing the column; 5, connecting the first connecting seat; 6-connecting seat II; 7-protection plate; 8-an elastic plate; 9-a support seat; 10-a connecting shaft; 11-a connecting trough; 12-a slide block; 13-a housing; 14-lumen; 15-removable sleeve body; 16-a guide hole; 17-a first buffer spring; 18-a movable block; 19-a fixed sleeve body; 20-a second buffer spring; 21-upper bumper cover; 22-lower bumper cover; 23-an inner tube; 24-an outer tube; 25-a first spring; 26-an upper connecting rod; 27-a lower connecting rod; 28-second spring.
Detailed Description
As shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: an elastic protection device for the edge of a port wharf comprises a fixed seat 1, a supporting plate 2, a fixed block 3, a fixed column 4, a first connecting seat 5, a second connecting seat 6, a protection plate 7, an elastic plate 8, a supporting seat 9, a connecting shaft 10, a connecting groove 11, a sliding block 12, a shell 13, an inner cavity 14, a movable sleeve body 15, a guide hole 16, a first buffer spring 17, a movable block 18, a fixed sleeve body 19 and a second buffer spring 20; the bottom of the fixed seat 1 is fixedly connected to the top surface of the edge of the port wharf, and the top of the fixed seat 1 is fixedly connected with the bottom of the supporting plate 2; the left side of the fixed block 3 is fixedly connected to the lower right side of the fixed seat 1, and the upper right side of the fixed block 3 is fixedly connected with the center of the right side of the supporting plate 2 through a fixed cylinder 4; the left side of the first connecting seat 5 is fixedly connected to the top of the supporting plate 2, and the right side of the first connecting seat 5 is hinged to the left side of the second connecting seat 6; the right side of the second connecting seat 6 is fixedly connected with the upper left side of the protection plate 7; an elastic plate 8 is fixedly connected to the right side surface of the protection plate 7, and a supporting seat 9 is fixedly connected to the bottom of the protection plate 7; a connecting shaft 10 is longitudinally and fixedly connected to the center of the lower side of the supporting seat 9, the lower side of the supporting seat 9 is positioned in the upper side of the sliding block 12, and the outer side of the connecting shaft 10 is movably connected into a connecting groove 11; the connecting groove 11 is arranged in the center of the upper side of the sliding block 12; the lower side of the sliding block 12 is transversely and movably connected to the right side in the inner cavity 14; the inner cavity 14 is transversely arranged inside the upper side of the shell 13, and the left side inside the inner cavity 14 is fixedly connected with a fixed sleeve body 19; the shell 13 is positioned at the lower right side of the fixed seat 1, the shell 13 is fixedly connected to the ground, the left side of the top surface of the shell 13 is fixedly connected to the bottom surface of the fixed block 3, and a movable sleeve body 15 is transversely connected inside the fixed sleeve body 19; the right end of the movable sleeve body 15 is fixedly connected with the left lower side of the slide block 12, and a guide hole 16 is transversely arranged in the left inner part of the movable sleeve body 15; a movable block 18 is transversely and movably connected in the guide hole 16; a first buffer spring 17 is arranged between the right end of the movable block 18 and the right side of the guide hole 16, and a second buffer spring 20 is arranged between the left end of the movable block 18 and the left side surface inside the fixed sleeve body 19.
The fixing seat 1, the supporting plate 2, the fixing block 3 and the fixing column 4 form a triangular shape; a warning lamp is arranged at the top of the protection plate 7; a warning reflective layer is arranged on the right side surface of the elastic plate 8; the connecting shaft 10 is vertically and movably connected in the connecting groove 11; the elastic force of the first buffer spring 17 is smaller than that of the second buffer spring 20.
As shown in fig. 3, a buffer is arranged at the lower end of the housing 13, and the specific structure of the buffer is as follows: comprises an upper buffer cover 21, a lower buffer cover 22, an inner pipe 23, an outer pipe 24, a first spring 25, an upper connecting rod 26, a lower connecting rod 27 and a second spring 28; the upper buffer housing 21 is fixedly connected to the lower surface of the housing 13; the upper buffer housing 21 is slidably connected in the lower buffer housing 22, two inner pipes 23 are fixedly connected to two sides of the top end in the cavity of the upper buffer housing 21, and an upper connecting rod 26 is fixedly connected to the central position of the top end in the cavity of the upper buffer housing 21; both sides of the bottom end inside the cavity of the lower buffer housing 22 are fixedly connected with an outer pipe 24, and the central position of the bottom end inside the cavity of the lower buffer housing 22 is fixedly connected with a lower connecting rod 27; the inner tube 23 is slidably connected in the corresponding outer tube 24, and a first spring 25 is fixedly connected between the inner tube 23 and the outer tube 24; a second spring 28 is fixedly connected between the upper connecting rod 26 and the lower connecting rod 27.
The using state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, the fixed seat 1, the supporting plate 2, the fixed block 3 and the fixed cylinder 4 form a triangular shape, thereby improving the supporting and fixing stability of the supporting plate 2, ensuring that the upper side of the protection plate 7 can rotate around the hinge point of the first connecting seat 5 and the second connecting seat 6, and then the arranged first buffer spring 17 and the second buffer spring 20 can improve the buffering effect of the lower side of the protection plate 7 when the protection plate 7 is impacted, in addition, the protection plate 7 can rotate around the hinge point of the first connecting seat 5 and the second connecting seat 6 to form an inclined plane when the protection plate 7 is impacted, so that partial impact force can be transmitted to the ground to ensure that the protection device can not be damaged and influence the protection effect, and the buffer.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a port wharf edge elasticity protector which characterized in that: the device comprises a fixed seat (1), a supporting plate (2), a fixed block (3), a fixed column body (4), a first connecting seat (5), a second connecting seat (6), a protective plate (7), an elastic plate (8), a supporting seat (9), a connecting shaft (10), a connecting groove (11), a sliding block (12), a shell (13), an inner cavity (14), a movable sleeve body (15), a guide hole (16), a first buffer spring (17), a movable block (18), a fixed sleeve body (19) and a second buffer spring (20);
the bottom of the fixed seat (1) is fixedly connected to the top surface of the edge of the port wharf, and the top of the fixed seat (1) is fixedly connected with the bottom of the supporting plate (2);
the left side of the fixed block (3) is fixedly connected to the lower right side of the fixed seat (1), and the upper right side of the fixed block (3) is fixedly connected with the center of the right side of the supporting plate (2) through a fixed cylinder (4);
the left side of the first connecting seat (5) is fixedly connected to the top of the supporting plate (2), and the right side of the first connecting seat (5) is hinged to the left side of the second connecting seat (6);
the right side of the second connecting seat (6) is fixedly connected with the upper left side of the protection plate (7);
an elastic plate (8) is fixedly connected to the right side surface of the protection plate (7), and a supporting seat (9) is fixedly connected to the bottom of the protection plate (7);
a connecting shaft (10) is longitudinally and fixedly connected with the center of the lower side of the supporting seat (9), the lower side of the supporting seat (9) is positioned in the upper side of the sliding block (12),
the outer side of the connecting shaft (10) is movably connected in the connecting groove (11);
the connecting groove (11) is arranged in the center of the upper side of the sliding block (12);
the lower side of the sliding block (12) is transversely and movably connected to the middle right side of the inner cavity (14);
the inner cavity (14) is transversely arranged inside the upper side of the shell (13), and the left side inside the inner cavity (14) is fixedly connected with a fixed sleeve body (19);
the shell (13) is positioned at the lower right side of the fixed seat (1), the shell (13) is fixedly connected to the ground, the left side of the top surface of the shell (13) is fixedly connected to the bottom surface of the fixed block (3), and a movable sleeve body (15) is transversely connected inside the fixed sleeve body (19);
the right end of the movable sleeve body (15) is fixedly connected with the left lower side of the sliding block (12), and a guide hole (16) is transversely arranged in the left inner part of the movable sleeve body (15);
a movable block (18) is transversely and movably connected in the guide hole (16);
a first buffer spring (17) is arranged between the right end of the movable block (18) and the right side of the guide hole (16), and a second buffer spring (20) is arranged between the left end of the movable block (18) and the left side face inside the fixed sleeve body (19).
2. The elastic protection device for port wharf edge as claimed in claim 1, wherein: the fixing seat (1), the supporting plate (2), the fixing block (3) and the fixing column body (4) form a triangular shape.
3. The elastic protection device for port wharf edge as claimed in claim 1, wherein: and a warning lamp is arranged at the top of the protection plate (7).
4. The elastic protection device for port wharf edge as claimed in claim 1, wherein: and a warning reflective layer is arranged on the right side surface of the elastic plate (8).
5. The elastic protection device for port wharf edge as claimed in claim 1, wherein: the connecting shaft (10) is vertically movably connected in the connecting groove (11).
6. The elastic protection device for port wharf edge as claimed in claim 1, wherein: the elastic force of the first buffer spring (17) is smaller than that of the second buffer spring (20).
7. The elastic protection device for port wharf edge as claimed in claim 1, wherein: be equipped with a buffer on casing (13) lower extreme, the concrete structure of buffer is: comprises an upper buffer cover (21), a lower buffer cover (22), an inner tube (23), an outer tube (24), a first spring (25), an upper connecting rod (26), a lower connecting rod (27) and a second spring (28);
the upper buffer cover (21) is fixedly connected to the lower surface of the shell (13);
the upper buffer housing (21) is slidably connected in the lower buffer housing (22), two sides of the top end in the cavity of the upper buffer housing (21) are fixedly connected with an inner pipe (23), and the center position of the top end in the cavity of the upper buffer housing (21) is fixedly connected with an upper connecting rod (26);
both sides of the bottom end in the cavity of the lower buffer housing (22) are fixedly connected with an outer pipe (24), and the center position of the bottom end in the cavity of the lower buffer housing (22) is fixedly connected with a lower connecting rod (27);
the inner pipe (23) is connected in the corresponding outer pipe (24) in a sliding manner, and a first spring (25) is fixedly connected between the inner pipe (23) and the outer pipe (24);
a second spring (28) is fixedly connected between the upper connecting rod (26) and the lower connecting rod (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225411.3A CN109826161B (en) | 2019-03-25 | 2019-03-25 | Port wharf edge elastic protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225411.3A CN109826161B (en) | 2019-03-25 | 2019-03-25 | Port wharf edge elastic protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109826161A CN109826161A (en) | 2019-05-31 |
| CN109826161B true CN109826161B (en) | 2020-10-16 |
Family
ID=66871972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910225411.3A Active CN109826161B (en) | 2019-03-25 | 2019-03-25 | Port wharf edge elastic protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109826161B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185001B (en) * | 2019-07-02 | 2024-05-10 | 浙江海洋大学 | Protection structure for port and wharf |
| CN110905085B (en) * | 2019-11-29 | 2021-12-10 | 滕州潍达智能科技有限公司 | Prefabricated component and building main body socket joint connection structure |
| CN111456533A (en) * | 2020-04-30 | 2020-07-28 | 金陵科技学院 | Damping device of guardrail for building engineering |
| CN112324245A (en) * | 2020-11-06 | 2021-02-05 | 安徽黎搏装饰工程有限公司 | Building construction guard plate |
| CN112392327A (en) * | 2020-11-06 | 2021-02-23 | 安徽黎搏装饰工程有限公司 | Building construction guard flap |
| CN112942971B (en) * | 2021-02-04 | 2022-06-03 | 中铁十六局集团置业投资有限公司 | Deep basal pit construction safety device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206477314U (en) * | 2017-01-06 | 2017-09-08 | 重庆交通大学 | A kind of rubber anti-collision ship side protector |
| CN208072332U (en) * | 2018-04-19 | 2018-11-09 | 吉林省海昕水利工程有限公司 | Water conservancy and hydropower baffle device for water |
| CN208219516U (en) * | 2018-04-24 | 2018-12-11 | 韩涛 | A kind of port and pier border elastic protective device |
| CN109024381A (en) * | 2018-08-11 | 2018-12-18 | 朱明德 | A kind of energy absorbing type expressway safety anticollision barrier |
-
2019
- 2019-03-25 CN CN201910225411.3A patent/CN109826161B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206477314U (en) * | 2017-01-06 | 2017-09-08 | 重庆交通大学 | A kind of rubber anti-collision ship side protector |
| CN208072332U (en) * | 2018-04-19 | 2018-11-09 | 吉林省海昕水利工程有限公司 | Water conservancy and hydropower baffle device for water |
| CN208219516U (en) * | 2018-04-24 | 2018-12-11 | 韩涛 | A kind of port and pier border elastic protective device |
| CN109024381A (en) * | 2018-08-11 | 2018-12-18 | 朱明德 | A kind of energy absorbing type expressway safety anticollision barrier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109826161A (en) | 2019-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109826161B (en) | Port wharf edge elastic protection device | |
| CN111994221B (en) | Ship body protection device | |
| CN208777221U (en) | Highway anticollision device, collision-prevention device | |
| CN211442763U (en) | Unmanned aerial vehicle for farmland pesticide application with damping mechanism | |
| CN109797682B (en) | Anti-collision guardrail mounted and fixed near expressway overtaking lane | |
| CN111293667A (en) | Bus low residual voltage protection device for power transmission and transformation system | |
| CN211621354U (en) | Safety type intelligent traffic isolation guardrail | |
| CN201137048Y (en) | Bridge protector | |
| CN103101582B (en) | Slow-back type multifunction movable trail guardrail | |
| CN114683897A (en) | New energy automobile fills electric pile's protector | |
| CN214254594U (en) | Lithium cell shock attenuation protection device that insulates against heat | |
| CN110758299A (en) | Automobile rear bumper with buffering protection function | |
| CN210363594U (en) | Automobile endoscope assembly | |
| CN211772841U (en) | Buffering formula bridge anticollision barrier | |
| CN202896288U (en) | Oil tank arranged in automobile frame | |
| CN207193845U (en) | A kind of urban road bridges Bridge Pier structure | |
| CN208733731U (en) | A kind of outdoor fire hydrant with collision prevention function | |
| CN219157495U (en) | Ultra-high performance concrete crash barrier | |
| CN204222790U (en) | A kind of bumper with energy absorption device | |
| CN215888118U (en) | Novel bridge navigation anticollision structure | |
| CN202080222U (en) | Front bumper of automobile | |
| CN105200914A (en) | Anti-collision device for waterway bridge | |
| CN221000781U (en) | Safety buffer type traffic protective fence | |
| CN208938591U (en) | A kind of non-motor vehicle isolation guardrail lamp box with safeguard function | |
| CN213167958U (en) | Bumper structure with stability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |