Safety guardrail for construction site

Abstract

The utility model relates to the technical field of construction site protection, and discloses a construction site safety guardrail which comprises two main rod assemblies, each main rod assembly comprises a main supporting rod with a bolt hole in the lower end, a rotating shaft is rotationally arranged on the inner side of each main supporting rod, and a locking piece is arranged at the upper end of each rotating shaft. The outer side of the locking piece is sleeved with an upper cover plate, a detachable protective net is arranged on the inner sides of the two rotating shafts, a plurality of auxiliary supporting rods are arranged on the rear side of the protective net at equal intervals, each auxiliary supporting rod comprises a vertical rod with a mounting hole in the lower end, and a plurality of hooks are arranged on the vertical rods; through cooperative use of the protective net, the auxiliary supporting rods, the main rod assemblies and the inclined supporting assemblies and in combination with the detachably designed winding shafts, replacement and maintenance are convenient, meanwhile, the protective net can be wound and is convenient to carry, flexibility and applicability are improved, the length of the protective net can be fixed by adjusting the angle of the winding shafts, different construction requirements are met, and the construction efficiency is improved. The device has the advantages of simple structure and easiness in disassembly and assembly.

Description

Technical Field

[0001] The present application relates to the technical field of construction site protection, and in particular to a construction site safety guardrail. Background Art

[0002] In the current construction site management, safety guardrails are important facilities to ensure the safety of workers and passers-by. Existing safety guardrails are mostly fixed designs, which are cumbersome to install and disassemble, inconvenient to transport and store, and have limited length adjustability, which cannot adapt well to the actual needs of different construction sites.

[0003] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] In order to solve the problem that most existing safety guardrails are of fixed design, inconvenient to transport and store, and have limited length adjustability, the present application provides a construction site safety guardrail.

[0005] The application provides a construction site safety guardrail that adopts the following technical solution:

[0006] A construction site safety guardrail, comprising a protective net, a secondary support rod and a main rod assembly;

[0007] The protective net is used for interception and protection of construction sites and is easy to roll up and carry;

[0008] The secondary support rod includes a vertical rod and a plurality of hooks, the vertical rod is connected to the ground, and the hooks are arranged on the vertical rod for fixing and supporting the protective net;

[0009] The main rod assembly includes a main support rod, a retracting shaft and a locking member, wherein the main support rod is connected to the ground, the retracting shaft is rotatably arranged in the main support rod, and is used to fix the end of the protective net and retract the protective net, and the locking member is detachably arranged on the retracting shaft, and is used to drive the retracting shaft to rotate and lock the retracting shaft;

[0010] The vertical poles and the main support poles are both provided with diagonal support components for diagonally supporting the vertical poles and the main support poles.

[0011] Preferably, the retractable shaft and the protective net are designed to be detachable, the top of the main support rod is provided with a retractable shaft, the retractable shaft is provided with a detachable upper cover plate, and the upper cover plate is provided with a plurality of positioning holes.

[0012] Preferably, the locking member comprises a hand wheel rotatably arranged on the upper cover plate, and the hand wheel is provided with a locking bolt matched with the positioning hole for fixing the relative angle of the retracting shaft to fix the length of the protective net.

[0013] Preferably, the diagonal brace assembly includes a diagonal brace rod, a connecting plate and a drill rod, the connecting plate is hinged on the diagonal brace rod, the drill rod passes through the connecting plate and is connected to the ground, and the vertical pole and the main brace rod are respectively hinged to the corresponding diagonal brace rod.

[0014] Preferably, a warning assembly is provided on the vertical pole, and the warning assembly comprises a warning plate detachably provided on the secondary support rod.

[0015] In summary, this application includes the following beneficial technical effects:

[0016] Through the coordinated use of the protective net, secondary support rods, main rod assembly and diagonal support assembly, and the detachable design of the protective net and the retractable shaft, replacement and maintenance are convenient; the protective net can be rolled up and carried for easy transportation and storage, which improves flexibility of use; and by adjusting the angle of the retractable shaft, the length of the protective net can be easily fixed to meet the needs of different construction sites; compared with the existing technology, it has the effects of simple structure, convenient disassembly and assembly, and high applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of a three-dimensional structure from a first-view perspective of an embodiment of the application;

[0018] Figure 2 is a schematic diagram of a second perspective stereoscopic structure of an embodiment of the application;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure from a third perspective of an embodiment of the application.

[0020] Explanation of the reference numerals in the accompanying drawings: 1. Protective net; 2. Auxiliary support rod; 201. Vertical rod; 202. Hook; 3. Main rod assembly; 301. Main support rod; 302. Retracting shaft; 3021. Mounting shaft; 3022. T-bar; 303. Locking piece; 3031. Hand wheel; 3032. Locking bolt; 304. Upper cover plate; 4. Diagonal support assembly; 401. Diagonal support rod; 402. Connecting plate; 403. Drill rod; 5. Warning assembly; 501. Warning plate; 502. Connecting rope. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-3 This application is described in further detail.

[0022] The present application embodiment discloses a construction site safety guardrail. Figure 1-3A construction site safety guardrail comprises two main rod assemblies 3, both of which comprise a main support rod 301 with a bolt hole at the lower end, a retracting shaft 302 is installed on the inner side of the main support rod 301 through a support, a locking member 303 is installed on the upper end of the retracting shaft 302, an upper cover plate 304 is sleeved on the outer side of the locking member 303, a detachable protective net 1 is installed on the inner side of the two retracting shafts 302, a plurality of secondary support rods 2 are equidistantly installed on the rear side of the protective net 1, the secondary support rod 2 comprises a vertical pole 201 with a mounting hole at the lower end, a plurality of hooks 202 are installed on the vertical pole 201, the protective net 1 is hooked by the hooks 202, so as to improve the protective strength of the protective net 1, and a diagonal support assembly 4 is installed on the rear side of the main support rod 301 and the vertical pole 201;

[0023] By adopting the above technical solution, the protective net 1 and the retractable shaft 302 are designed to be detachable, which is convenient for replacement and maintenance. The protective net 1 can be rolled up and carried, which is convenient for transportation and storage, and improves the flexibility of use. By adjusting the angle of the retractable shaft 302, the length of the protective net 1 can be easily fixed to meet the needs of different construction sites.

[0024] Reference Figure 3 A receiving groove is provided on the side of the main support rod 301, and a notch groove is provided on the side of the receiving groove close to the protective net 1. The protective net 1 is slidably installed in the notch groove. The retractable shaft 302 includes a mounting shaft 3021 installed in the receiving groove through a support. A T-shaped groove is provided on the mounting shaft 3021, and a T-shaped bar 3022 is slidably installed in the T-shaped groove. The protective net 1 is preliminarily fixed by wrapping the end of the protective net 1 around and inserting it into the T-shaped groove. A plurality of threaded holes are installed on it, and bolts are passed through the threaded holes to fix it on the mounting shaft 3021, so as to further fix the protective net 1 and facilitate replacement and maintenance.

[0025] Reference Figure 2 , a plurality of positioning holes are provided on the upper cover plate 304, and the locking member 303 is connected to the main support rod 301 by bolts. The locking member 303 includes a handwheel 3031 installed on the upper cover plate 304 through a support, and the lower end of the handwheel 3031 passes through the upper cover plate 304 and is provided with a hexagonal groove, and the upper end of the mounting shaft 3021 is provided with a hexagonal end head adapted to the hexagonal groove, so that the locking member 303 and the retracting shaft 302 can be detached, which is convenient for the subsequent replacement of the protective net 1, and a screw hole is provided on the handwheel 3031, and a locking bolt 3032 is installed on the inner side of the screw hole. The locking bolt 3032 is locked and separated from the positioning hole to complete the angle of the retracting shaft 302, which can conveniently fix the length of the protective net 1 to meet the needs of different construction sites.

[0026] Reference Figure 1The diagonal bracing assembly 4 includes a diagonal bracing rod 401, a connecting plate 402 and a drill rod 403. The connecting plate 402 is hinged on the diagonal bracing rod 401. A socket is provided on the connecting plate 402. The connecting plate 402 is slidably installed in the socket. The vertical pole 201 and the main bracing rod 301 are respectively hinged to the corresponding diagonal bracing rod 401, and the drill rod 403 is connected to the ground to form a triangular support for the vertical pole 201 and the main bracing rod 301, thereby improving stability.

[0027] Reference Figure 2 A warning component 5 is installed on the outer side of the protective net 1 on the hook 202. The warning component 5 includes a warning plate 501 for warning the construction site. Connecting ropes 502 are installed on the upper and lower sides of the warning plate 501. The connecting ropes 502 are connected and fixed to the hook 202 to complete the installation of the warning plate 501.

[0028] The implementation principle of a construction site safety guardrail in the embodiment of the present application is as follows: during assembly, the end of the protective net 1 is wrapped around the outside of the T-bar 3022, the T-bar 3022 and the protective net 1 are inserted into the T-slot, and the T-bar 3022 and the installation shaft 3021 are locked by bolts, and then the upper cover plate 304 is covered, and the upper cover plate 304 and the main support rod 301 are fixed by bolts to complete the assembly of the protective net 1. When in use, a connecting plate 402 is fixed to the ground and stably supported by a drill rod 403, and then the locking bolt 3032 located on the main support rod 301 at the other end of the protective net 1 is rotated so that the locking bolt 3032 is locked. 032 is separated from the positioning hole, the main support rod 301 is pulled to move, the protective net 1 is unfolded to the appropriate length, the hand wheel 3031 is re-fixed with the positioning hole of the upper cover plate 304, the length of the protective net 1 is locked, and then the connecting plate 402 is fixed to the ground, and the drill rod 403 is used for stable support, the hook 202 is hung on the protective net 1, and the vertical pole 201 is fixed to the ground, and the diagonal bracing is completed by plugging the drill rod 403 with the ground. When storing, release the lock of the main support rod 301 on one side from the ground, and then separate the locking bolt 3032 from the positioning hole, turn the hand wheel 3031 to drive the retracting shaft 302 to rotate, and reel in the protective net 1.

[0029] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0030] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0032] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A construction site safety guardrail, characterized by: It comprises a protective net (1), a secondary support rod (2) and a main rod assembly (3); The protective net (1) is used for interception and protection at construction sites and is easy to roll up and carry; The secondary support rod (2) comprises a vertical rod (201) and a plurality of hooks (202); the vertical rod (201) is connected to the ground; the hooks (202) are arranged on the vertical rod (201) and are used to fix and support the protective net (1); The main rod assembly (3) comprises a main support rod (301), a retracting shaft (302) and a locking member (303); the main support rod (301) is connected to the ground; the retracting shaft (302) is rotatably arranged in the main support rod (301) and is used to fix the end of the protective net (1) and retract the protective net (1); the locking member (303) is detachably arranged on the retracting shaft (302) and is used to drive the retracting shaft (302) to rotate and lock the retracting shaft (302); The vertical pole (201) and the main support pole (301) are both provided with an oblique support assembly (4) for obliquely supporting the vertical pole (201) and the main support pole (301).

2. A construction site safety guardrail according to claim 1, characterized in that: The retractable shaft (302) and the protective net (1) are of detachable design; the top of the main support rod (301) is provided with a retractable shaft (302); a detachable upper cover plate (304) is provided on the retractable shaft (302); and a plurality of positioning holes are provided on the upper cover plate (304).

3. A construction site safety guardrail according to claim 1, characterized in that: The locking member (303) comprises a hand wheel (3031) rotatably arranged on the upper cover plate (304), and a locking bolt (3032) matched with the positioning hole is arranged on the hand wheel (3031) for fixing the relative angle of the retracting shaft (302) to achieve the fixation of the length of the protective net (1).

4. A construction site safety guardrail according to claim 1, characterized in that: The diagonal bracing assembly (4) comprises a diagonal bracing rod (401), a connecting plate (402) and a drill rod (403); the connecting plate (402) is hinged on the diagonal bracing rod (401); the drill rod (403) passes through the connecting plate (402) and is connected to the ground; the vertical pole (201) and the main bracing rod (301) are respectively hinged to the corresponding diagonal bracing rod (401).

5. The construction site safety guardrail according to claim 1, characterized in that: The vertical pole (201) is provided with a warning component (5), and the warning component (5) comprises a warning plate (501) detachably provided on the secondary support rod (2).

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