CN217353863U - Guardrail structure and foundation ditch protective structure that can install and tear open fast - Google Patents
Guardrail structure and foundation ditch protective structure that can install and tear open fast Download PDFInfo
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- CN217353863U CN217353863U CN202220563798.0U CN202220563798U CN217353863U CN 217353863 U CN217353863 U CN 217353863U CN 202220563798 U CN202220563798 U CN 202220563798U CN 217353863 U CN217353863 U CN 217353863U
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Abstract
The utility model relates to a building auxiliary assembly technical field discloses a guardrail structure and foundation ditch protective structure that can tear open fast, this guardrail structure, include: the guardrail comprises a guardrail body, wherein connecting cavities are formed in two ends of the guardrail body; the connecting base comprises a connecting bottom plate used for being connected with a foundation structure, a first connecting column and a second connecting column, wherein the first connecting column and the second connecting column are arranged on the same side of the connecting bottom plate; the first connecting column is used for being in nested fit with the connecting cavity of one end of the guardrail body, the second connecting column is used for being in nested fit with the connecting cavity of one end of the guardrail body, the two connecting structures are achieved through structural design aiming at the guard plate body and connection base setting, connection relation between the guard plate bodies is achieved, installation and disassembly efficiency of the guardrail structure can be greatly improved, and construction time is shortened.
Description
Technical Field
The utility model relates to a building auxiliary assembly technical field, further, relate to a guardrail structure and foundation ditch protective structure that can ann tear open fast.
Background
When the deep foundation pit is constructed, a protective structure is usually required to be arranged on the edge of the foundation pit to ensure the safety of ground personnel, and the bottom end of a protective plate is usually required to be fixed with the ground by the protective structure of the foundation pit so as to ensure the stability of the protective structure; as in application No.: 202120044009.8 patent names: the utility model provides a construction foundation ditch guardrail, for the setting that realizes the guardrail, the structure setting of the wedge inserted block of its adoption inserts the rectangular block ground to realize the fixed of guardrail, if do not like at the application number yet: 201820875768.7, the patent names: the utility model provides a foundation ditch temporary protective guard, for the fixed of realization guardrail, it adopts the mode of base and fixed orifices to realize stand and fixed opposite, is realizing the fixed of stand and guardrail structure through the horizontal pole.
Based on this, in prior art, to the setting of guardrail structure in the foundation ditch, need adopt comparatively complicated structure to realize being connected of guardrail and ground usually, the step is comparatively loaded down with trivial details, has the longer problem of settling time.
In view of this, the present application is specifically made.
Disclosure of Invention
Aiming at the technical problems that the time process is set for a foundation pit protection structure in the prior art, and the installation and the disassembly are inconvenient, on one hand, the utility model provides a guardrail structure capable of being quickly installed and disassembled, through the structural design aiming at the guard plate bodies and the arrangement of a connecting bottom plate, the establishment of the connection relation between the guard plate bodies is realized, the installation and the disassembly efficiency of the guardrail structure can be greatly improved, and the construction time is shortened; on the other hand, the utility model also provides a foundation ditch protective structure, through adopting foretell guardrail structure, when guaranteeing foundation ditch protection stability, can promote protective system's construction design greatly, improve engineering efficiency.
The utility model discloses a following technical scheme realizes:
first aspect
The embodiment of the utility model provides a guardrail structure that can ann tear open fast, include: the guardrail comprises a guardrail body, wherein connecting cavities are formed in two ends of the guardrail body; the connecting base comprises a connecting bottom plate used for being connected with a foundation structure, a first connecting column and a second connecting column, wherein the first connecting column and the second connecting column are arranged on the same side of the connecting bottom plate; the first connecting column is used for being in nested fit with the connecting cavity at one end of the guardrail body, and the second connecting column is used for being in nested fit with the connecting cavity at one end of the guardrail body, so that the two guardrail bodies are connected.
In the scheme, the guardrail structure comprises a guardrail body, a plurality of guardrail bodies are mutually connected to form the guardrail structure for protection, the guardrail bodies are connected through a connecting seat, the connecting seat comprises a connecting bottom plate used for being connected with a basic structure, a first connecting column and a second connecting column are arranged on the same side of the bottom plate, when the guardrail structure is installed, the connecting bottom plate is firstly fixed with the basic structure, connecting cavities of the two guardrail bodies are respectively nested and matched with the first connecting column and the second connecting column to realize the connection of the two guardrail bodies, the guardrail structure is built by adopting the structure, the fixing of the connecting seat can be realized by presetting the connecting seat in the installation process, and then the connection between the guardrail bodies is realized by directly adopting the nested and matched mode, compare in traditional guardrail structure, the effectual monoblock plate body structure that has reduced realizes the fixed of connecting seat through predetermineeing the connecting seat in the problem that the fixed degree of difficulty is high of the various existence of fixed process, and adopts nested complex mode, and the relative position that realizes the guardrail body based on the gravity of guardrail body keeps to great improvement the construction efficiency of guardrail body, practice thrift the time of setting up of guardrail structure.
Further, the lateral wall of connecting the chamber is provided with first through-hole group, first through-hole group includes first through-hole A and first through-hole B, first through-hole A and the axis collineation of first through-hole B, just first through-hole A and first through-hole B's axis and two the plane at the axis place of connecting the chamber is parallel, through the setting of first through-hole group, when carrying out the connection between the guardrail body, usable first through-hole group adopts the mode of long bolt, realizes fixing between the guardrail body guarantees the stability of connecting between the guardrail body.
Further, the lateral wall of connecting the chamber still is provided with second through-hole group, second through-hole group includes second through-hole A and second through-hole B, second through-hole A and second through-hole B's axis collineation, just second through-hole A and second through-hole B's axis with first through-hole A and first through-hole B's axis is being carried on a plurality of perpendicularly when this body coupling of guardrail, can be with adjacent two the length direction mutually perpendicular of guardrail body sets up to form closed area, through the structural design of second through-hole group, when carrying out closed area construction, usable first through-hole group and the mode of second through-hole group mutually supporting adopt long bolt's mode, realize fixed between the guardrail body guarantees the stability of connecting between the guardrail body.
Further, connect the bottom plate and include the locating surface, first spliced pole and the plane at the axis place of second spliced pole with the locating surface is parallel, through the structural design of locating surface, is going on when the connecting seat is arranged, can be directly through guaranteeing a plurality of the locating surface coplane of connecting the bottom plate is guaranteed many first connection is lived and the second spliced pole collineation to guarantee the stability of guardrail structure.
Furthermore, still include the connector link, the connecting seat is used for the one end in connection chamber is mutually supported, the connector link is used for the other end in connection chamber is mutually supported, realizes two the connection of guardrail body through the structural design of connector link the both ends in connection chamber all set up connection structure, further guarantee the stability of connecting.
Furthermore, the connector link includes fixed third spliced pole of relative distance and fourth spliced pole, the third spliced pole be used for with the nested cooperation in the chamber of being connected of guardrail body one end, the fourth spliced pole be used for with another the nested cooperation in the chamber of being connected of guardrail body one end.
Furthermore, one end of each of the first connecting column and the second connecting column is connected with the connecting bottom plate, and the other end of each of the first connecting column and the second connecting column is coplanar; the distance L between the two ends of the first connecting column 1 Satisfy L 1 1/2H is not more than, wherein, H is the distance between the connection chamber both ends, through be directed at the length design of first spliced pole, avoids realizing the connection bottom plate with the cooperation in-process of guardrail body needs will the high cooperation that realizes both of guardrail body improvement.
Furthermore, the connecting buckle also comprises a base plate, one end of each of the third connecting column and the fourth connecting column is connected with the base plate, and the other end of each of the third connecting column and the fourth connecting column is coplanar; distance L between two ends of the third connecting column 2 Satisfy L 2 1/2H is not more than, through the structural design for the third connecting column, the connection bottom plate is avoided and the mutual interference between the connecting buckles is avoided.
Second aspect of the invention
The embodiment of the utility model provides a foundation ditch protective structure is still provided, including foretell guardrail structure that can install fast and tear open, the polylith the guardrail body forms the protective structure who is used for sealing the basic pithead each other.
Further, still include the concrete foundation, the concrete foundation include with ground connection face be connected, and for the stationary plane of connecting the face, the stationary plane be used for with connect the bottom plate and connect, realize the fixing of connecting seat.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the embodiment of the utility model relates to a guardrail structure that can be installed and removed fast, adopt this kind of structure to carry out the buildding of guardrail structure, the mode of accessible preset the connecting seat in the installation realizes the fixed of connecting seat, and then the connection between the guardrail body is realized to the mode that directly adopts nested cooperation, compare in traditional guardrail structure, the problem that the fixed degree of difficulty that the monoblock plate body structure various exists is high in the fixing process has effectively been reduced, realize the fixed of connecting seat through presetting the connecting seat, and adopt nested cooperation mode, realize the relative position maintenance of guardrail body based on the gravity of guardrail body, thereby greatly improved the construction efficiency of guardrail body, practice thrift the time of setting up of guardrail structure;
the embodiment of the utility model provides a still relate to a foundation ditch protective structure, through adopting foretell guardrail structure, when guaranteeing foundation ditch protection stability, can promote protective system's construction design greatly, improve engineering efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural view of a guardrail body according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a connection seat according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a connecting buckle according to an embodiment of the present invention;
fig. 4 is a schematic view of a part of the foundation pit protection structure provided by the embodiment of the utility model.
The reference numbers in the figures are in order:
100-guardrail body, 110-connecting cavity, 200-connecting seat, 210-connecting bottom plate, 220-first connecting column, 230-second connecting column, 300-connecting buckle, 310-third connecting column, 320-fourth connecting column, 330-base plate and 400-concrete foundation.
Detailed Description
The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example" or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
Examples
As shown in fig. 1-2, an embodiment of the present invention provides a guardrail structure capable of being quickly installed and removed, including: the guardrail comprises a guardrail body 100, wherein two ends of the guardrail body 100 are respectively provided with a connecting cavity 110; the connecting base 200 comprises a connecting base plate 210 for connecting with a foundation structure, a first connecting column 220 and a second connecting column 230 which are arranged on the same side of the connecting base plate 210; the first connecting column 220 is used for being nested and matched with the connecting cavity 110 at one end of the guardrail body 100, and the second connecting column 230 is used for being nested and matched with the connecting cavity 110 at one end of the other guardrail body 100, so that the two guardrail bodies 100 are connected.
It should be noted that the foundation structure includes, but is not limited to, a concrete foundation 400, a ground surface, and other structures, and is a structure on the edge of the opening of the foundation pit.
The first connection column 220 and the second connection column 230 can be used for nesting and matching with the connection cavity 110, it should be noted that, the shape of the connection cavity 110 is not limited, and the connection columns can be cylindrical cavities or polygonal cavities, and the connection columns are nested and matched with the connection cavity 110, as those skilled in the art should know, in order to ensure stability, enough contact positions exist between the side walls of the connection columns and the inner wall of the connection cavity 110 within a range of 360 degrees, so as to ensure stability; specifically, at present, a rectangular parallelepiped columnar structure is usually disposed at an end of the common guardrail body 100, an inner cavity of the columnar structure can be directly utilized as the connection cavity 110, and the connection column structure can be a prefabricated corresponding columnar structure, including but not limited to a cylinder or a prism, to establish a connection relationship.
Specifically, in order to ensure the connection of the connection column with the guardrail body 100, the connection column should be perpendicular to the connection base plate 210, so as to facilitate the establishment of the connection relationship and the mutual cooperation with the guardrail body 100.
Specifically, in some embodiments, the connecting cavity 110 of the guardrail body 100 has a sidewall with a certain thickness, and the distance between the surfaces of the first connecting post 220 and the second connecting post 230 is equal to twice the thickness of the sidewall, so as to achieve the fixing.
In the scheme, the guardrail structure comprises guardrail bodies 100, a plurality of guardrail bodies 100 are connected with each other to form a guardrail structure for protection, the guardrail bodies 100 are connected with each other through connecting seats 200, each connecting seat 200 comprises a connecting bottom plate 210 used for being connected with a basic structure, a first connecting column 220 and a second connecting column 230 are arranged on the same side of the bottom plate, when the guardrail structure is installed, the connecting bottom plate 210 is firstly fixed with the basic structure, the connecting cavities 110 of the two guardrail bodies 100 are respectively nested and matched with the first connecting column 220 and the second connecting column 230 to realize the connection of the two guardrail bodies 100, the guardrail structure is built by adopting the structure, the connecting seats 200 can be fixed in the installation process in a manner of presetting the connecting seats 200, and then the guardrail bodies 100 are directly connected in a nested and matched manner, compare in traditional guardrail structure, the effectual monoblock plate body structure that has reduced realizes the fixed of connecting seat 200 through predetermineeing connecting seat 200 in the high problem of the fixed degree of difficulty of the various existence of fixed process, and adopts nested complex mode, realizes that the relative position of guardrail body 100 keeps based on the gravity of guardrail body 100 to great improvement the construction efficiency of guardrail body 100, practice thrift the time of setting up of guardrail structure.
In some embodiments, the lateral wall of the connection cavity 110 is provided with a first through hole group, the first through hole group includes a first through hole a and a first through hole B, the first through hole a and the axis collineation of the first through hole B, just the first through hole a and the axis of the first through hole B and two the plane parallel of the axis place of the connection cavity 110, through the setting of the first through hole group, when carrying out the connection between the guardrail bodies 100, it is available the first through hole group adopts the mode of long bolt, realizes the fixation between the guardrail bodies 100, guarantees the stability of the connection between the guardrail bodies 100.
It should be noted that, as the first through hole group, after the connection bottom plate is connected to the guardrail bodies 100 by using the connection bottom plate, the connection bottom plate can pass through the first through hole groups of the two guardrail structures at a time to fix the two guardrail bodies 100 by using a long bolt, but as a person skilled in the art should know that, after the connection column is nested and matched with the connection cavity 110, the connection column is located in the connection cavity 110, and in order to further fix the two guardrail bodies 100 by using the long bolt, the connection column can be designed in length, and after the connection bottom plate and the guardrail bodies 100 are connected, the connection column does not reach the corresponding region where the first through hole group is disposed; the mode that also can set up the through-hole on the spliced pole structure realizes stepping down.
In some embodiments, the lateral wall of the connection cavity 110 is further provided with a second through hole group, the second through hole group comprises a second through hole a and a second through hole B, the second through hole a and the axis of the second through hole B are collinear, and the second through hole a and the axis of the second through hole B are perpendicular to the first through hole a and the axis of the first through hole B and are multiple when the guardrail body 100 is connected, two adjacent guardrail bodies 100 can be arranged in a length direction perpendicular manner, so that a closed area is formed, and through the structural design of the second through hole group, when the closed area is built, the first through hole group and the second through hole group can be utilized to be matched with each other, a long bolt is adopted, so that the fixation between the guardrail bodies 100 is realized, and the stability of connection between the guardrail bodies 100 is guaranteed.
It should be noted that the axes of the second through hole group and the first through hole group are perpendicular to each other for the purpose of reinforcing the connection at the bent portion, but it should be noted that the axes of the second through hole group and the first through hole group are perpendicular to each other and coplanar to each other because they are fitted to each other when the connection is performed by the long bolt.
Furthermore, a plurality of first through hole groups and second through hole groups can be arranged, so that connection and fixation at multiple positions are realized, and the stability of connection is further kept.
In some embodiments, the connecting base plate 210 includes a positioning surface, and a plane where the axes of the first connecting column 220 and the second connecting column 230 are located is parallel to the positioning surface, and through the structural design of the positioning surface, when the connecting sockets 200 are arranged, the positioning surfaces of a plurality of connecting base plates 210 can be coplanar directly guaranteed, so that the co-linearity of the plurality of first connecting columns and the second connecting columns 230 is guaranteed, and the stability of the guardrail structure is guaranteed.
Specifically, when connecting the bottom plate setting, through control connect the position of bottom plate, realize the adjustment of guardrail position, wherein, in order to guarantee that a plurality of guardrail bodies 100 are in the coplanar, the accessible control is a plurality of connect the face and keep the mode realization on the coplanar, but need notice first spliced pole 220 and second spliced pole 230 with connect the nested cooperation in chamber 110, the backplate body can be spliced the post and rotate for the rotation axis to form the contained angle between two adjacent guardrail bodies 100, constitute different guardrail structures.
As shown in fig. 3, in some embodiments, the guardrail connecting device further includes a connecting buckle 300, the connecting seat 200 is used for one end of the connecting cavity 110 to be matched with each other, the connecting buckle 300 is used for the other end of the connecting cavity 110 to be matched with each other, so as to realize the connection of the two guardrail bodies 100, and through the structural design of the connecting buckle 300, the connecting structures are arranged at both ends of the connecting cavity 110, so as to further ensure the stability of the connection.
Specifically, when the connecting seat 200 is used to connect two adjacent guardrail bodies 100, the connecting seat 200 is matched with two same ends of the connecting cavities 110, and the connecting fastener 300 is oppositely arranged at the other end to ensure the stability of connection between the two ends.
Further, the connection buckle 300 comprises a third connection column 310 and a fourth connection column 320 which are fixed in relative distance, wherein the third connection column 310 is used for nesting and matching with the connection cavity 110 at one end of the guardrail body 100, and the fourth connection column 320 is used for nesting and matching with the connection cavity 110 at one end of the guardrail body 100.
In some embodiments, one end of each of the first connecting post 220 and the second connecting post 230 is connected to the connecting bottom plate, and the other ends are coplanar; the distance L1 between the two ends of the first connecting column 220 satisfies that L1 is not less than 1/2H, wherein H is the distance between the two ends of the connecting cavity 110, and the length design of the first connecting column 220 avoids the situation that the height of the guardrail body 100 is too high to realize the matching of the connecting bottom plate and the guardrail body 100 in the matching process of the connecting bottom plate and the guardrail body 100.
Specifically, to the length setting of spliced pole, as should know to the skilled person in the art, when connecting, need mention guardrail body 100 to make both realize nested cooperation, satisfy the relation of connection to its specific length and establish.
In some embodiments, the connection buckle 300 further includes a base plate 330, and one end of each of the third connection post 310 and the fourth connection post 320 is connected to the base plate 330, and the other end is coplanar; the distance L2 between the two ends of the third connecting column 310 satisfies L2 ≤ 1/2H, and the mutual interference between the connecting bottom plate and the connecting buckle 300 is avoided by the structural design of the third connecting column 310.
As shown in fig. 4, the embodiment of the present invention further provides a foundation pit protection structure, including the above-mentioned guardrail structure that can be installed and removed fast, the polylith the guardrail body 100 mutually forms the protection structure for closing the foundation pit opening.
In some embodiments, the concrete foundation 400 further includes a connection surface connected to the ground, and a fixing surface opposite to the connection surface, the fixing surface being used for being connected to the connection base plate 210 to fix the connection base 200.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or deformation made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a guardrail structure that can install fast and tear open which characterized in that includes:
the guardrail comprises a guardrail body (100), wherein connecting cavities (110) are arranged at two ends of the guardrail body (100);
the connecting structure further comprises a connecting seat (200), wherein the connecting seat (200) comprises a connecting bottom plate (210) used for being connected with a foundation structure, a first connecting column (220) and a second connecting column (230) which are arranged on the same side of the connecting bottom plate (210);
the first connecting column is used for being in nested fit with the connecting cavity (110) at one end of the guardrail body (100), and the second connecting column is used for being in nested fit with the connecting cavity (110) at one end of the other guardrail body (100) to realize the connection of the two guardrail bodies.
2. A guardrail structure according to claim 1, characterized in that the side walls of the connecting chambers (110) are provided with a first through hole group, the first through hole group comprises a first through hole a and a first through hole B, the axes of the first through hole a and the first through hole B are collinear, and the axes of the first through hole a and the first through hole B are parallel to the plane of the axes of the two connecting chambers (110).
3. A guardrail structure capable of being quickly mounted and dismounted as claimed in claim 2, wherein the side wall of the connecting cavity (110) is further provided with a second through hole group, the second through hole group comprises a second through hole a and a second through hole B, the axes of the second through hole a and the second through hole B are collinear, and the axes of the second through hole a and the second through hole B are perpendicular to the axes of the first through hole a and the first through hole B.
4. A quickly attachable and detachable guardrail structure according to claim 1, characterized in that the connection base plate (210) comprises a positioning surface, and the planes of the axes of the first connection post (220) and the second connection post (230) are parallel to the positioning surface.
5. A guardrail structure capable of being quickly mounted and dismounted as claimed in any one of claims 1-4, further comprising a connecting buckle (300), wherein the connecting seat (200) is used for mutually matching one end of the connecting cavity, and the connecting buckle (300) is used for mutually matching the other end of the connecting cavity.
6. A guardrail structure capable of being quickly mounted and dismounted as claimed in claim 5, wherein the connecting buckle (300) comprises a third connecting column (310) and a fourth connecting column (320) with fixed relative distances, the third connecting column (310) is used for nesting and matching with the connecting cavity (110) at one end of the guardrail body (100), and the fourth connecting column (320) is used for nesting and matching with the connecting cavity (110) at one end of the other guardrail body (100).
7. A guardrail structure capable of being quickly mounted and dismounted as claimed in claim 6, wherein one end of the first connecting column (220) and one end of the second connecting column (230) are connected with the connecting base plate (210), and the other ends are coplanar; a distance L between both ends of the first connection post (220) 1 Satisfy L 1 1/2H, wherein H is the distance between the two ends of the connecting cavity (110).
8. The guardrail structure of claim 7, wherein the connector buckle (300) further comprises a base plate (330), and one end of the third connecting column (310) and one end of the fourth connecting column (320) are connected with the base plate (330), and the other ends are coplanar; the distance L between the two ends of the third connecting column (310) 2 Satisfy L 2 ≤1/2H。
9. A protective structure for foundation pit, comprising a guardrail structure capable of being quickly mounted and dismounted as claimed in any one of claims 1 to 8, wherein the guardrail body (100) is provided with a plurality of pieces, and the guardrail bodies (100) mutually form a protective structure for closing the foundation pit opening.
10. A foundation pit protection structure according to claim 9, further comprising a concrete foundation, wherein the concrete foundation (400) comprises a connection surface connected with the ground, and a fixing surface opposite to the connection surface, and the fixing surface is used for being connected with the connection bottom plate (210) to fix the connection base (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220563798.0U CN217353863U (en) | 2022-03-11 | 2022-03-11 | Guardrail structure and foundation ditch protective structure that can install and tear open fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220563798.0U CN217353863U (en) | 2022-03-11 | 2022-03-11 | Guardrail structure and foundation ditch protective structure that can install and tear open fast |
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| Publication Number | Publication Date |
|---|---|
| CN217353863U true CN217353863U (en) | 2022-09-02 |
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| CN202220563798.0U Active CN217353863U (en) | 2022-03-11 | 2022-03-11 | Guardrail structure and foundation ditch protective structure that can install and tear open fast |
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| Country | Link |
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| CN (1) | CN217353863U (en) |
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- 2022-03-11 CN CN202220563798.0U patent/CN217353863U/en active Active
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