Protective support crossing over road traffic protection construction

Abstract

The utility model provides a protective support crossing over road traffic protection construction. The protective support comprises a foundation and a portal frame. The foundation is formed by concrete pouring and comprises a first foundation and a second foundation which are arranged on the two sides in the undercrossing route direction, first steel bars are embedded in the top face of the first foundation and protrude out of the first foundation, and second steel bars are embedded in the top face of the second foundation and protrude out of the second foundation. The portal frame comprises a first stand column, a second stand column and a transverse stress rod, the first stand column and the second stand column are arranged in parallel, and the transverse stress rod is connected with the top end of the first stand column and the top end of the second stand column. The position of the first stand column corresponds to the position of the first foundation, the first steel bar is inserted into the first stand column, the position of the second stand column corresponds to the position of the second foundation, and the second steel bar is inserted into the second stand column. According to the protective support, driving safety of a road below the protective support can be guaranteed while upper construction is conducted, and the construction progress is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of road-crossing construction, and in particular to a protective support for road-crossing construction. Background Art

[0002] The safety risk of cross-road construction, especially viaduct construction, is extremely high. Once a person or object falls during construction, it will seriously endanger the safety of road traffic. When constructing over a cross-road, it is inevitable that construction waste, construction tools, etc. will fall and cause damage to moving vehicles, which is easy to affect driving safety. Utility Model Content

[0003] The embodiment of the present application provides a protective support that crosses over a road to ensure traffic safety and ensure the progress of the construction while the upper part is being constructed.

[0004] The embodiment of the present application provides a protective support for road maintenance construction, including: a foundation and a gantry;

[0005] The foundation is formed by pouring concrete, and includes a first foundation and a second foundation on both sides of the lower span route direction, a first steel bar is pre-embedded in the top surface of the first foundation, and the first steel bar protrudes from the first foundation, and a second steel bar is pre-embedded in the top surface of the second foundation, and the second steel bar protrudes from the second foundation;

[0006] The gantry frame comprises a first column, a second column and a transverse force rod, the first column and the second column are arranged in parallel, and the transverse force rod is respectively connected to the top end of the first column and the top end of the second column; wherein:

[0007] The position of the first column corresponds to the position of the first foundation, and the first steel bar is inserted into the first column. The position of the second column corresponds to the position of the second foundation, and the second steel bar is inserted into the second column.

[0008] In some embodiments, the first pillars are arranged in m rows and n columns, the number of the second pillars is the same as the number of the first pillars, n is a positive integer greater than or equal to 1, and m is a positive integer greater than or equal to 1;

[0009] The number of the first steel bars is the same as the number of the first columns, and the positions are arranged in a one-to-one correspondence;

[0010] The number of the second steel bars is the same as the number of the second columns, and the positions are arranged in a one-to-one correspondence.

[0011] In some embodiments, the protective bracket further includes at least one first connecting rod and / or at least one second connecting rod;

[0012] The first connecting rod is vertically arranged with the first column, and the second connecting rod is vertically arranged with the second column;

[0013] The first connecting rod connects at least two of the first columns in the same row, and / or the first connecting rod connects at least two of the first columns in the same column;

[0014] The second connecting rod connects at least two of the second columns in the same row, and / or the second connecting rod connects at least two of the second columns in the same column.

[0015] In some embodiments, the protective support further comprises at least one first diagonal brace and / or at least one second diagonal brace;

[0016] The number of the transverse force-bearing rods is n, and one of the transverse force-bearing rods corresponds to connecting the first columns in different rows and the same column and the second columns in different rows and the same column respectively;

[0017] One end of the first diagonal brace is connected to the transverse force-bearing rod, and the other end of the first diagonal brace is connected to at least one of the first columns in different rows and the same column corresponding to the transverse force-bearing rod;

[0018] One end of the second diagonal brace is connected to the transverse force-bearing rod, and the other end of the second diagonal brace is connected to at least one of the second columns in different rows and the same column corresponding to the transverse force-bearing rod.

[0019] In some embodiments, the first diagonal brace is connected to the first connecting rod, and the connection point is located on the first column; and / or the second diagonal brace is connected to the second connecting rod, and the connection point is located on the second column.

[0020] In some embodiments, at least one of the following is included:

[0021] The first column and the second column are symmetrically arranged about the center line of the transverse force-bearing rod;

[0022] The first connecting rod and the second connecting rod are symmetrically arranged about the center line of the transverse force-bearing rod;

[0023] The first diagonal brace and the second diagonal brace are symmetrically arranged about a center line of the transverse force-bearing rod.

[0024] In some embodiments, the material of the first column, the material of the second column, the material of the transverse force-bearing rod, the material of the first connecting rod, the material of the second connecting rod, the material of the first diagonal brace, and the material of the second diagonal brace are all the same.

[0025] In some embodiments, the first foundation and the second foundation are symmetrically arranged about the center line of the transverse force-bearing rod;

[0026] The first foundation is in the shape of a bar, and the second foundation is in the shape of a bar.

[0027] In some embodiments, the protective support includes a receiving structure, the receiving structure is laid on the transverse force-bearing rod, the extension direction of the receiving structure is perpendicular to the first column and the second column, and the receiving structure is used to receive falling objects.

[0028] In some embodiments, the receiving structure is a wooden board.

[0029] The technical solution provided in the embodiments of the present application has at least the following beneficial effects:

[0030] The embodiment of the present application provides a protective support that spans over the road for maintenance construction, and a first column and a second column are arranged on both sides along the direction of the lower span route. The height, column number and row number of the first column and the second column are set according to construction requirements. The bottom of the first column is cast with concrete for a first foundation, and a first steel bar is embedded in the top surface of the first foundation. During erection, the first steel bar can be inserted into the first column to prevent the first column from sliding horizontally; the bottom of the second column is cast with concrete for a second foundation, and a second steel bar is embedded in the top surface of the second foundation. During erection, the second steel bar can be inserted into the second column to prevent the second column from sliding horizontally, and transverse force rods are respectively connected to the top end of the first column and the top end of the second column. That is, the protective support component provided by the embodiment of the present application has simple assembly operation, common materials, and a stable structure, which improves construction efficiency and saves construction costs, while ensuring the driving safety of road vehicles during construction.

[0031] Additional aspects and advantages of the present application will be partially given in the following description, which will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0033] Figure 1 A schematic diagram of the structure of pre-buried foundation steel bars included in a protective support for road maintenance construction provided in an embodiment of the present application;

[0034] Figure 2 A schematic diagram of the front structure of a protective support provided in an embodiment of the present application for crossing over a road for maintaining traffic;

[0035] Figure 3 A schematic diagram of the overall structure of a protective support provided in an embodiment of the present application that crosses over a road for maintenance construction.

[0036] Reference numerals:

[0037] 11-foundation; 12-gantry; 111-first foundation; 112-second foundation; 1111-first reinforcement; 121-first column; 122-second column; 123-transverse force rod; 211-first connecting rod; 212-second connecting rod; 311-first diagonal brace; 312-second diagonal brace; 313-supporting structure. DETAILED DESCRIPTION

[0038] The present application is described in detail below, and examples of embodiments of the present application are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components with the same or similar functions. In addition, if the detailed description of the known technology is unnecessary for the features of the present application shown, it will be omitted. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be interpreted as limiting the present application.

[0039] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as generally understood by those skilled in the art to which this application belongs. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless specifically defined as here.

[0040] It will be understood by those skilled in the art that, unless expressly stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present application refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof. It should be understood that when we refer to an element as being "connected" or "coupled" to another element, it may be directly connected or coupled to the other element, or there may be an intermediate element. In addition, the "connection" or "coupling" used herein may include wireless connection or wireless coupling. The term "and / or" used herein includes all or any unit and all combinations of one or more associated listed items.

[0041] The following first introduces the technical terms related to this application.

[0042] Traffic design or traffic construction refers to the design and arrangement made during the construction process to ensure smooth traffic and communication at the construction site. The importance of traffic design lies in that it can effectively ensure smooth traffic and communication at the construction site, improve construction efficiency and quality. Through reasonable traffic design, traffic accidents and communication failures during the construction process can be effectively avoided, reducing confusion and delays at the construction site.

[0043] The embodiment of the present application provides a protective support that crosses over a road to ensure traffic safety and ensure the progress of the construction while the upper part is being constructed.

[0044] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0045] The embodiment of the present application provides a protective support for road maintenance construction, such as Figure 1 , Figure 2 and Figure 3 As shown, it includes: a foundation 11 and a portal frame 12; the foundation 11 is formed by pouring concrete, including a first foundation 111 and a second foundation 112 on both sides along the lower span route direction, the top surface of the first foundation 111 is pre-embedded with a first steel bar 1111, the first steel bar 1111 protrudes from the first foundation 111, and the top surface of the second foundation 112 is pre-embedded with a second steel bar (not shown in the figure), and the second steel bar protrudes from the second foundation 112; the portal frame 12 includes a first column 121, a second column 122 and a transverse force rod 123, the first column 121 and the second column 122 are arranged in parallel, and the transverse force rod 123 is respectively connected to the top of the first column 121 and the top of the second column 122; wherein: the position of the first column 121 corresponds to the position of the first foundation 111, and the first steel bar 1111 is inserted into the first column 121, the position of the second column 122 corresponds to the position of the second foundation 112, and the second steel bar is inserted into the second column 122.

[0046] It should be noted that the extension direction of the first steel bar 1111 in the embodiment of the present application is perpendicular to the first foundation 111 and protrudes from the first foundation 111, and the extension direction of the second steel bar is perpendicular to the second foundation 112 and protrudes from the second foundation 112; when specifically set, the height of the first steel bar 1111 protruding from the first foundation 111 is set according to construction requirements, and the height of the second steel bar protruding from the second foundation 112 is set according to construction requirements, and the height of the first steel bar 1111 protruding from the first foundation 111 can be set to be equal to the height of the second steel bar protruding from the second foundation 112. In addition, the diameter of the first steel bar 1111 and the diameter of the second steel bar are set according to construction requirements, and the embodiment of the present application does not limit the specific value of the diameter.

[0047] It should be noted that the second foundation 112 is arranged in the same manner as the first foundation 111, and the second steel bar is arranged in the same manner as the first steel bar. Figure 1 Only the structures of the first foundation 111 and the first reinforcement 1111 are shown, and the structures of the second foundation and the second reinforcement are no longer shown.

[0048] The protective support provided in the embodiment of the present application is used for the construction of the upper span of the road maintenance, and the first column 121 and the second column 122 are arranged on both sides along the lower span route direction. The height, column number and row number of the first column 121 and the second column 122 are set according to the construction requirements. The bottom of the first column 121 is cast with concrete for the first foundation 111, and the first steel bar is embedded in the top surface of the first foundation 111. During the erection, the first steel bar can be inserted into the first column 121 to prevent the first column 121 from sliding horizontally; the bottom of the second column 122 is cast with concrete for the second foundation 112, and the second steel bar is embedded in the top surface of the second foundation 112. During the erection, the second steel bar can be inserted into the second column 122 to prevent the second column 122 from sliding horizontally, and the transverse force rod 123 is respectively connected to the top of the first column 121 and the top of the second column 122. That is, the protective support component provided in the embodiment of the present application is simple to assemble and operate, the material is common, and the structure is stable, which improves the construction efficiency and saves the construction cost, and ensures the driving safety of road vehicles during the construction.

[0049] In an optional embodiment, if Figure 2 and Figure 3 As shown, the first columns 121 are arranged in m rows and n columns, the number of the second columns 122 is the same as the number of the first columns 121, n is a positive integer greater than or equal to 1, and m is a positive integer greater than or equal to 1; the number of the first steel bars 1111 is the same as the number of the first columns 121, and the positions are arranged in a one-to-one correspondence; the number of the second steel bars is the same as the number of the second columns 122, and the positions are arranged in a one-to-one correspondence.

[0050] It should be noted that if Figure 3 As shown, the first columns 121 distributed along the first direction are defined as the number of rows of the first columns 121, and the first columns 121 distributed along the second direction are defined as the number of columns of the first columns 121. Figure 3 24 first columns 121 are shown in two rows and 12 columns, that is, m is equal to 2 and n is equal to 12; similarly, Figure 3 Two rows and 12 columns with a total of 24 second columns 122 are shown.

[0051] It should be noted that the embodiment of the present application does not limit the number of rows and columns of the first columns 121. Similarly, the embodiment of the present application does not limit the number of rows and columns of the second columns 122. During specific implementation, the number of rows and columns of the first columns 121 and the number of rows and columns of the second columns 122 can be set according to actual construction requirements.

[0052] In a specific embodiment, Figure 3 As shown, the protective bracket provided in the embodiment of the present application also includes at least one first connecting rod 211 and / or at least one second connecting rod 212; the first connecting rod 211 is vertically arranged with the first column 121, and the second connecting rod 212 is vertically arranged with the second column 122; the first connecting rod 211 connects at least two first columns 121 in the same row, and / or the first connecting rod 211 connects at least two first columns 121 in the same column; the second connecting rod 212 connects at least two second columns 122 in the same row, and / or the second connecting rod 212 connects at least two second columns 122 in the same column; the setting of the first connecting rod 211 and the second connecting rod 212 in the embodiment of the present application can play an anti-overturning role.

[0053] It should be noted that in the embodiment of the present application, the number of first connecting rods 211 and the number of second connecting rods 212 can be set according to the height and number of the first columns 121 and the height and number of the second columns 122. The number of first connecting rods 211 can be equal to the number of second connecting rods 212. Of course, the number of first connecting rods 211 may also be different from the number of second connecting rods 212.

[0054] When implementing it, Figure 3 As shown, the first connecting rod 211 extends along the second direction, and two first connecting rods 211 are correspondingly arranged in a row of first columns 121, and one first connecting rod 211 is connected to all the first columns 121 in the row. For example, the first connecting rod 211 can be welded to all the first columns 121 in the row, and one of the first connecting rods 211 is arranged close to the first foundation 111, and the other first connecting rod 211 is arranged close to the transverse force rod 123. Of course, if the height of the first column 121 is large, more first connecting rods 211 can be arranged in a direction perpendicular to the first foundation 111. For example, for a row of first columns 121, in addition to arranging Figure 3 In addition to the two first connecting rods 211, another first connecting rod 211 may be provided at the middle position of the first column 121; the second connecting rod 212 is provided in the same manner as the first connecting rod 211, which will not be described in detail here.

[0055] In a specific embodiment, Figure 2 and Figure 3As shown, the protective bracket provided in the embodiment of the present application also includes at least one first diagonal brace 311 and / or at least one second diagonal brace 312; the number of transverse force rods 123 is n, and one transverse force rod 123 corresponds to connecting first columns 121 in different rows and the same column and second columns 122 in different rows and the same column respectively; one end of the first diagonal brace 311 is connected to the transverse force rod 123, and the other end of the first diagonal brace 311 is connected to at least one of the first columns 121 in different rows and the same column corresponding to the transverse force rod 123; one end of the second diagonal brace 312 is connected to the transverse force rod 123, and the other end of the second diagonal brace 312 is connected to at least one of the second columns 122 in different rows and the same column corresponding to the transverse force rod 123; the arrangement of the first diagonal brace 311 and the second diagonal brace 312 in the embodiment of the present application can play an anti-overturning role.

[0056] It should be noted that if Figure 3 As shown, the first columns 121 have two rows and 12 columns, and the first columns 121 in the same column but different rows refer to a first column 121 in the kth column of the first row and a first column 121 in the kth column of the second row, where k is a positive integer greater than or equal to 1 and less than or equal to 12; similarly, the second columns 122 have two rows and 12 columns, and the second columns 122 in the same column but different rows refer to a second column 122 in the pth column of the first row and a second column 122 in the pth column of the second row, where p is a positive integer greater than or equal to 1 and less than or equal to 12, that is, in the embodiment of the present application, a transverse force rod 123 corresponds to connecting two first columns 121 and two second columns 122 respectively.

[0057] It should be noted that the first columns 121 in different rows and the same column corresponding to the transverse force rod 123 refer to the first columns 121 in different rows and the same column connected to the transverse force rod 123, and the second columns 122 in different rows and the same column corresponding to the transverse force rod 123 refer to the second columns 122 in different rows and the same column connected to the transverse force rod 123.

[0058] In a specific embodiment, Figure 3 As shown, the first diagonal brace 311 is connected to the first connecting rod 211, and the connection point is located on the first column 121; and / or, the second diagonal brace 312 is connected to the second connecting rod 212, and the connection point is located on the second column 122; this arrangement can better play an anti-overturning role.

[0059] In specific implementation, the first diagonal brace 311 can be connected to the first connecting rod 211 by welding, and the second diagonal brace 312 can be connected to the second connecting rod 212 by welding; of course, in actual design, the connection between the first diagonal brace 311 and the first connecting rod 211, and the connection between the second diagonal brace 312 and the second connecting rod 212 can be achieved by other means, for example, the connection can be achieved by a detachable connection of bolts and nuts.

[0060] In an optional embodiment, if Figure 2 and Figure 3 As shown, the first column 121 and the second column 122 are about the center line of the transverse force rod 123 (as shown in FIG. Figure 2 the first connecting rod 211 and the second connecting rod 212 are symmetrically arranged about the center line of the transverse force-bearing rod 123; the first diagonal brace 311 and the second diagonal brace 312 are symmetrically arranged about the center line of the transverse force-bearing rod 123.

[0061] It should be noted that the center line of the transverse force-bearing rod 123 refers to the perpendicular bisector of the transverse force-bearing rod 123 .

[0062] In a specific embodiment, Figure 2 and Figure 3 As shown, the materials of the first column 121, the second column 122, the transverse force rod 123, the first connecting rod 211, the second connecting rod 212, the first diagonal brace 311 and the second diagonal brace 312 are all the same.

[0063] In specific implementation, the materials of the first column 121 , the second column 122 , the transverse force rod 123 , the first connecting rod 211 , the second connecting rod 212 , the first diagonal brace 311 and the second diagonal brace 312 can all be ordinary steel pipes.

[0064] In a specific embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the first foundation 111 and the second foundation 112 are symmetrically arranged about the center line of the transverse force-bearing rod 123; the first foundation 111 is in the shape of a bar, and the second foundation 112 is in the shape of a bar.

[0065] Specifically, the first foundation 111 extends along the second direction, the second foundation 112 is arranged parallel to the first foundation 111, the size of the first foundation 111 is the same as the size of the second foundation 112, and the specific size is set according to actual construction requirements.

[0066] In a specific embodiment, Figure 3As shown, the protective support in the embodiment of the present application includes a receiving structure 313, which is laid on the transverse force-bearing rod 123, and the extension direction of the receiving structure 313 is perpendicular to the first column 121 and the second column 122. The receiving structure 313 is used to receive falling objects.

[0067] In a specific embodiment, the receiving structure 313 is a wooden board; of course, in other embodiments, the receiving structure 313 may also be made of other materials, for example, the receiving structure 313 may be a steel plate.

[0068] In specific implementation, the protective construction process for the upper crossing road construction in the specific embodiment of the present application includes: setting the first column 121 and the second column 122 along the lower crossing route direction, and setting the height, column number and row number of the first column 121 and the second column 122 according to the construction requirements; then, the first strip-shaped foundation 111 and the second foundation 112 are cast with concrete at the bottom, and a large-diameter first steel bar is pre-embedded on the top surface of the first foundation 111, and a large-diameter second steel bar is pre-embedded on the top surface of the second foundation 112, so that when erecting, The first steel bar is inserted into the first column 121, and the second steel bar is inserted into the second column 122; then, the first column 121 is horizontally and laterally provided with a first connecting rod and a diagonal brace to resist overturning, and the second column 122 is horizontally and laterally provided with a second connecting rod and a diagonal brace to resist overturning; then, a transverse force-bearing rod 123 is set on the top, and a first diagonal brace is set below and supported by the first column 121, and a second diagonal brace is set below and supported by the second column 122; finally, the transverse force-bearing rod 123 is paved with wooden boards as the top surface, which is mainly used to receive falling objects.

[0069] In summary, by applying the embodiments of the present application, at least the following beneficial effects can be achieved:

[0070] The embodiment of the present application provides a protective support that spans over the road for maintenance construction, and a first column and a second column are arranged on both sides along the direction of the lower span route. The height, column number and row number of the first column and the second column are set according to construction requirements. The bottom of the first column is cast with concrete for a first foundation, and a first steel bar is embedded in the top surface of the first foundation. During erection, the first steel bar can be inserted into the first column to prevent the first column from sliding horizontally; the bottom of the second column is cast with concrete for a second foundation, and a second steel bar is embedded in the top surface of the second foundation. During erection, the second steel bar can be inserted into the second column to prevent the second column from sliding horizontally, and transverse force rods are respectively connected to the top end of the first column and the top end of the second column. That is, the protective support component provided by the embodiment of the present application has simple assembly operation, common materials, and a stable structure, which improves construction efficiency and saves construction costs, while ensuring the driving safety of road vehicles during construction.

[0071] In addition, the protective support provided in the embodiment of the present application that crosses over the road maintenance construction is also provided with a first connecting rod, a second connecting rod, a first diagonal brace and a second diagonal brace, which can play a good role in anti-overturning.

[0072] Those skilled in the art will appreciate that the various operations, methods, steps, measures, and schemes in the processes discussed in this application may be alternated, altered, combined, or deleted. Further, other steps, measures, and schemes in the various operations, methods, and processes discussed in this application may also be alternated, altered, rearranged, decomposed, combined, or deleted. Further, the steps, measures, and schemes in the prior art that are similar to those disclosed in this application may also be alternated, altered, rearranged, decomposed, combined, or deleted.

[0073] In the description of the present application, the directions or positional relationships indicated by words such as "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the exemplary directions or positional relationships shown in the accompanying drawings. They are for the convenience of describing or simplifying the description of the embodiments of the present application, and do not indicate or imply that the referred device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present application.

[0074] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0075] The above description is only a partial implementation method of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A protective support for road maintenance construction, characterized in that: include: foundation and portal frame; The foundation is formed by pouring concrete, and includes a first foundation and a second foundation on both sides of the lower span route direction, a first steel bar is pre-embedded in the top surface of the first foundation, and the first steel bar protrudes from the first foundation, and a second steel bar is pre-embedded in the top surface of the second foundation, and the second steel bar protrudes from the second foundation; The gantry frame comprises a first column, a second column and a transverse force rod, the first column and the second column are arranged in parallel, and the transverse force rod is respectively connected to the top end of the first column and the top end of the second column; wherein: The position of the first column corresponds to the position of the first foundation, and the first steel bar is inserted into the first column. The position of the second column corresponds to the position of the second foundation, and the second steel bar is inserted into the second column.

2. The protective bracket according to claim 1, characterized in that: The first columns are arranged in m rows and n columns, the number of the second columns is the same as the number of the first columns, n is a positive integer greater than or equal to 1, and m is a positive integer greater than or equal to 1; The number of the first steel bars is the same as the number of the first columns, and the positions are arranged in a one-to-one correspondence; The number of the second steel bars is the same as the number of the second columns, and the positions are arranged in a one-to-one correspondence.

3. The protective bracket according to claim 2, characterized in that: Also comprising at least one first connecting rod and / or at least one second connecting rod; The first connecting rod is vertically arranged with the first column, and the second connecting rod is vertically arranged with the second column; The first connecting rod connects at least two of the first columns in the same row, and / or the first connecting rod connects at least two of the first columns in the same column; The second connecting rod connects at least two of the second columns in the same row, and / or the second connecting rod connects at least two of the second columns in the same column.

4. The protective bracket according to claim 3, characterized in that: Also includes at least one first diagonal brace and / or at least one second diagonal brace; The number of the transverse force-bearing rods is n, and one of the transverse force-bearing rods corresponds to connecting the first columns in different rows and the same column and the second columns in different rows and the same column respectively; One end of the first diagonal brace is connected to the transverse force-bearing rod, and the other end of the first diagonal brace is connected to at least one of the first columns in different rows and the same column corresponding to the transverse force-bearing rod; One end of the second diagonal brace is connected to the transverse force-bearing rod, and the other end of the second diagonal brace is connected to at least one of the second columns in different rows and the same column corresponding to the transverse force-bearing rod.

5. The protective bracket according to claim 4, characterized in that: The first diagonal brace is connected to the first connecting rod, and the connection point is located on the first column; and / or the second diagonal brace is connected to the second connecting rod, and the connection point is located on the second column.

6. The protective bracket according to claim 4, characterized in that: Include at least one of the following: The first column and the second column are symmetrically arranged about the center line of the transverse force-bearing rod; The first connecting rod and the second connecting rod are symmetrically arranged about the center line of the transverse force-bearing rod; The first diagonal brace and the second diagonal brace are symmetrically arranged about a center line of the transverse force-bearing rod.

7. The protective bracket according to claim 4, characterized in that: The material of the first column, the material of the second column, the material of the transverse force-bearing rod, the material of the first connecting rod, the material of the second connecting rod, the material of the first diagonal brace, and the material of the second diagonal brace are all the same.

8. The protective bracket according to claim 1, characterized in that: The first foundation and the second foundation are symmetrically arranged about the center line of the transverse force-bearing rod; The first foundation is in the shape of a bar, and the second foundation is in the shape of a bar.

9. The protective bracket according to claim 1, characterized in that: It comprises a receiving structure, which is laid on the transverse force-bearing rod, and the extending direction of the receiving structure is perpendicular to the first column and the second column, and the receiving structure is used for receiving falling objects.

10. The protective bracket according to claim 9, characterized in that: The supporting structure is a wooden board.

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