Foundation pit edge protective fence for building construction

Abstract

The utility model relates to the technical field of building protection equipment, and discloses a foundation pit edge protection fence for building construction, which comprises two groups of fixing rods, a connecting block positioned between the two groups of fixing rods and a supporting rod positioned at one end in the connecting block, mounting holes are formed in four corners in the mounting seat; the supporting blocks are arranged on the two sides of the tops of the fixing rods, sleeve rods are arranged at the top ends and the bottom ends of one sides of the two fixing rods, telescopic rods penetrating into the sleeve rods are arranged at the top ends and the bottom ends of the two sides of the connecting blocks, and limiting grooves are formed in the outer sides of the sleeve rods. The telescopic rods and the sleeve rods are adjusted in a telescopic mode, the telescopic rods and the sleeve rods can be limited through the positioning nuts and the limiting columns, and therefore the use distance between the two fixing rods can be adjusted, the use length of the protective fence can be adjusted, the use effect of the protective fence is better, and the practicability of the protective fence is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building protection equipment, in particular to a foundation pit edge protection fence for building construction. Background Art

[0002] The retaining structures, groundwater control, and environmental protection measures required to ensure the safety and stability of the underground space formed by excavation from the ground during the construction of the underground structure are called foundation pit engineering. In order to ensure the safety of workers at the top of the slope of the foundation pit construction, it is necessary to set guardrails at the top of the slope of the foundation pit as edge protection facilities. Application number CN202221844991.8 discloses a foundation pit edge protection device, including a first concrete base and a second concrete base, wherein the first concrete base and the second concrete base are respectively fixedly connected with a right-angle connecting steel pipe and a plane connecting steel pipe inside... The iron fence is quickly installed by sliding, and the right-angle connecting sleeve and the plane connecting sleeve can also be quickly installed on the fixed steel pipe, which improves the speed of installation and disassembly of the device; the structure of this type of protective device is fixed, and the use length of a single protective device cannot be adjusted, resulting in poor practicality of the protective device, and the concrete base is used to fix the device, which has a poor support effect on the main body of the device, is not stable enough, and is prone to tipping. Utility Model Content

[0003] The purpose of the utility model is to provide a foundation pit edge guardrail for construction, so as to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit edge guardrail for construction, comprising two groups of fixed rods, a connecting block located between the two groups of fixed rods, and a support rod located at one end inside the connecting block, wherein the fixed rod comprises: a mounting seat arranged at the bottom of the fixed rod, and mounting holes are arranged at the four corners inside the mounting seat; and support blocks are arranged on both sides of the top of the fixed rod. Preferably, sleeve rods are arranged at the top and bottom ends of one side of the two groups of fixed rods, and telescopic rods penetrating into the sleeve rods are arranged at the top and bottom ends of both sides of the connecting block, and a limiting groove is arranged on the outer side of the sleeve rod, and a limiting column penetrating into the limiting groove is arranged at one end of the outer side of the telescopic rod, and a positioning nut is arranged on the outer side of the limiting column. Preferably, a receiving groove is provided at one end of the connection block, a fixed shaft penetrating into the support rod is provided at the top of the receiving groove, an adjusting rod is provided at the support rod, a plurality of positioning holes are provided at one end of the adjusting rod, and a positioning bolt is provided at the bottom of one end of the support rod. Preferably, the top of the mounting seat is welded to the bottom of the fixed rod, one side of the support block is welded to the bottom of one side of the fixed rod, and the bottom of the support block is welded to the top of the mounting seat. Preferably, a telescopic groove is provided inside the sleeve rod, the telescopic rod is movably connected to the sleeve rod through the telescopic groove, and one end of the sleeve rod is welded to one side of the fixed rod. Preferably, one end of the limiting column is welded to the outside of the telescopic rod, and the limiting column is movably connected to the sleeve rod through the limiting groove. Preferably, an external thread is provided on the outside of the limiting column, and a threaded hole matching the limiting column is provided inside the positioning nut. Preferably, a rotating hole is provided at the top of the support rod, and the fixed shaft penetrates into the rotating hole, and the support rod is rotatably connected to the fixed shaft through the rotating hole. Preferably, the support rod is provided with an adjustment slot inside, and the adjustment rod is movably connected to the support rod through the adjustment slot. Preferably, the positioning bolt is detachably connected to the adjustment rod through the positioning hole, and the bottom of one end of the support rod is provided with a threaded hole matching the positioning bolt. Compared with the prior art, the beneficial effects of the utility model are as follows: 1. The utility model can adjust the use spacing of the two sets of fixed rods through the telescopic adjustment between the telescopic rod and the sleeve rod, and limit the telescopic rod and the sleeve rod through the positioning nut and the limiting column, so as to adjust the use length of the guardrail, so that the use effect of the guardrail is better and the practicality of the guardrail is improved; 2. The utility model can adjust the adjustment rod and the support rod through the adjustment slot, so as to adjust the support length of the support rod, and limit the adjustment rod and the support rod through the mutual engagement of the positioning hole and the positioning bolt, and facilitate the support of the guardrail through the support rod and the adjustment rod, so that the use of the guardrail is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0004] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale. Figure 1 It is a structural schematic diagram of the utility model. Figure 2 It is a cross-sectional view of the utility model. Figure 3 The following is a partial structural diagram of the utility model. In the figure: 1, fixing rod; 101, mounting seat; 102, mounting hole; 103, supporting block; 2, connecting block; 201, sleeve rod; 202, telescopic rod; 203, limiting groove; 204, limiting column; 205, positioning nut; 3, supporting rod; 301, storage groove; 302, fixing shaft; 303, adjusting rod; 304, positioning hole; 305, positioning bolt. DETAILED DESCRIPTION

[0005] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the following is combined to further explain the utility model. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood in specific situations. The following will combine the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Please refer to Figure 1-3The utility model provides an embodiment of a foundation pit edge guardrail for construction: a foundation pit edge guardrail for construction, including two sets of fixed rods 1, a connecting block 2 located between the two sets of fixed rods 1, and a support rod 3 located at one end of the inner part of the connecting block 2. The fixed rod 1 includes: a mounting seat 101 arranged at the bottom of the fixed rod 1, and the four corners of the inner part of the mounting seat 101 are all provided with mounting holes 102; support blocks 103 are arranged on both sides of the top of the fixed rod 1, and the mounting seat 101 and the fixed rod 1 can be supported by the support blocks 103, so that the use of the fixed rod 1 is more stable. Please refer to Figure 1 and Figure 3 The top and bottom ends of one side of the two sets of fixed rods 1 are both provided with sleeve rods 201, and the top and bottom ends of both sides of the connecting block 2 are both provided with telescopic rods 202 that penetrate into the sleeve rods 201, which can adjust between the fixed rods 1 and the connecting block 2. The outer side of the sleeve rod 201 is provided with a limiting groove 203, and one end of the outer side of the telescopic rod 202 is provided with a limiting column 204 that penetrates into the limiting groove 203. The limiting groove 203 allows the limiting column 204 and the sleeve rod 201 to move. The outer side of the limiting column 204 is provided with a positioning nut 205. The sleeve rod 201 and the telescopic rod 202 can be limited by the positioning nut 205 and the limiting column 204, which is convenient for adjusting the spacing between the two sets of fixed rods 1 and for adjusting the guardrail. Please refer to Figure 1 and Figure 2 A receiving groove 301 is provided at one end of the connection block 2, and the support rod 3 can be received through the receiving groove 301. A fixed shaft 302 penetrating into the support rod 3 is provided at the top of the receiving groove 301, and the use angle of the support rod 3 can be adjusted by the fixed shaft 302. An adjusting rod 303 is provided inside the support rod 3, and a plurality of positioning holes 304 are provided at one end of the adjusting rod 303. A positioning bolt 305 is provided at the bottom of one end of the support rod 3. The positioning holes 304 and the positioning bolt 305 can be used to limit the position between the adjusting rod 303 and the support rod 3, so that the support rod 3 can support the guardrail. Please refer to Figure 1 and Figure 3The top of the mounting seat 101 is welded to the bottom of the fixed rod 1, one side of the support block 103 is welded to the bottom of one side of the fixed rod 1, and the bottom of the support block 103 is welded to the top of the mounting seat 101. The support block 103 can support both sides of the fixed rod 1, making the use of the device more stable. A telescopic groove is provided inside the sleeve rod 201, and the telescopic rod 202 is movably connected to the sleeve rod 201 through the telescopic groove. The telescopic rod 202 and the sleeve rod 201 can be adjusted through the telescopic groove. One end of the sleeve rod 201 is welded to one side of the fixed rod 1, and the limit One end of the column 204 is welded to the outside of the telescopic rod 202, and the limiting column 204 is movably connected to the sleeve rod 201 through the limiting groove 203. The limiting column 204 and the sleeve rod 201 can be moved through the limiting groove 203 to prevent the telescopic rod 202 from falling off from the sleeve rod 201. The outer side of the limiting column 204 is provided with an external thread, and the interior of the positioning nut 205 is provided with a threaded hole matching the limiting column 204. The positioning nut 205 and the limiting column 204 can limit the telescopic rod 202 and the sleeve rod 201, which is convenient for adjusting the guardrail. Please refer to Figure 1 and Figure 2The top of the support rod 3 is provided with a rotating hole, and the fixing shaft 302 passes through the rotating hole, and the support rod 3 is rotatably connected to the fixing shaft 302 through the rotating hole. The support rod 3 can be rotated with the fixing shaft 302 through the rotating hole, which is convenient for adjusting the use angle of the support rod 3. An adjusting slot is provided inside the support rod 3, and the adjusting rod 303 is movably connected with the support rod 3 through the adjusting slot. The adjusting rod 303 and the support rod 3 can be moved through the adjusting slot, so that the use length of the support rod 3 can be adjusted. The positioning bolt 305 is detachably connected to the adjusting rod 303 through the positioning hole 304, and the bottom of one end of the support rod 3 is provided with a threaded hole matching the positioning bolt 305, and the positioning bolt 305 and the positioning hole 304 can be used to limit the adjustment rod 303 and the support rod 3. The guardrail can be supported by the support rod 3 and the adjusting rod 303, so that the use of the guardrail is more stable. Working principle: Before use, the telescopic rod 202 and the sleeve rod 201 can be telescopically adjusted through the telescopic slot, and the limiting column 204 can be moved left and right inside the limiting slot 203, and the two sets of fixed rods 1 can be adjusted to the use spacing, and the telescopic rod 202 and the sleeve rod 201 can be limited by the positioning nut 205 and the limiting column 204, so that the use length of the guardrail can be adjusted, which is convenient for adjusting the guardrail. When in use, the mounting base 101 is fixed to the ground through the fixing bolts and the mounting holes 102. On the surface, the guardrail can be fixedly installed, and the support rod 3 and the fixed shaft 302 can be rotated through the rotating hole, so that the support rod 3 can be adjusted from the storage groove 301. The adjusting groove can be used to adjust the adjustment rod 303 and the support rod 3. Through the mutual engagement of the positioning hole 304 and the positioning bolt 305, the adjustment rod 303 and the support rod 3 are limited, which is convenient for adjusting the use length of the support rod 3. The connecting block 2 can be supported by the support rod 3, making the installation and use of the guardrail more stable. The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the utility model is limited by the appended claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any reference numerals in the claims should not be regarded as limiting the claims involved.

Claims

1. A foundation pit edge guardrail for construction, characterized in that: The invention comprises two groups of fixing rods (1), a connecting block (2) located between the two groups of fixing rods (1), and a supporting rod (3) located at one end inside the connecting block (2), wherein the fixing rod (1) comprises: A mounting seat (101) is arranged at the bottom of the fixing rod (1), and mounting holes (102) are arranged at four corners inside the mounting seat (101); Support blocks (103) arranged on both sides of the top of the fixing rod (1); The top and bottom ends of one side of the two groups of fixed rods (1) are both provided with sleeve rods (201), the top and bottom ends of both sides of the connection block (2) are both provided with telescopic rods (202) penetrating into the interior of the sleeve rods (201), the outer side of the sleeve rods (201) is provided with a limiting groove (203), one end of the outer side of the telescopic rod (202) is provided with a limiting column (204) penetrating into the interior of the limiting groove (203), and the outer side of the limiting column (204) is provided with a positioning nut (205).

2. The foundation pit edge guardrail for construction according to claim 1, characterized in that: A receiving groove (301) is provided at one end of the connection block (2), a fixed shaft (302) penetrating into the support rod (3) is provided at the top end of the receiving groove (301), an adjusting rod (303) is provided inside the support rod (3), a plurality of positioning holes (304) are provided at one end of the adjusting rod (3), and a positioning bolt (305) is provided at the bottom of one end of the support rod (3).

3. The foundation pit edge guardrail for construction according to claim 1, characterized in that: The top end of the mounting seat (101) is welded to the bottom end of the fixing rod (1), one side of the support block (103) is welded to the bottom of one side of the fixing rod (1), and the bottom end of the support block (103) is welded to the top end of the mounting seat (101).

4. The foundation pit edge guardrail for construction according to claim 1, characterized in that: The sleeve rod (201) is provided with a telescopic slot inside, the telescopic rod (202) is movably connected to the sleeve rod (201) via the telescopic slot, and one end of the sleeve rod (201) is welded to one side of the fixed rod (1).

5. The foundation pit edge protection fence for construction according to claim 1 is characterized by: One end of the limiting column (204) is welded to the outer side of the telescopic rod (202), and the limiting column (204) is movably connected to the sleeve rod (201) via a limiting groove (203).

6. The foundation pit edge guardrail for construction according to claim 1, characterized in that: The outer side of the limiting column (204) is provided with an external thread, and the interior of the positioning nut (205) is provided with a threaded hole matching the limiting column (204).

7. The foundation pit edge guardrail for construction according to claim 2, characterized in that: A rotation hole is provided at the top end of the support rod (3), and the fixed shaft (302) passes through the rotation hole. The support rod (3) is rotationally connected to the fixed shaft (302) through the rotation hole.

8. The foundation pit edge guardrail for construction according to claim 2, characterized in that: An adjustment slot is provided inside the support rod (3), and the adjustment rod (303) is movably connected to the support rod (3) via the adjustment slot.

9. The foundation pit edge protection fence for construction according to claim 2, characterized in that: The positioning bolt (305) is detachably connected to the adjustment rod (303) via the positioning hole (304), and a threaded hole matching the positioning bolt (305) is provided at the bottom of one end of the support rod (3).

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