Safety protection device for construction site management

Abstract

The safety protection device for construction site management comprises a baffle, an assembly groove is formed in the bottom of the baffle, a lead screw is rotationally connected to the inner wall of the assembly groove, a right-hand thread and a left-hand thread are formed in the outer wall of the circumference of the lead screw, and nuts are in threaded connection with the outer walls of the right-hand thread and the left-hand thread. The safety protection device comprises two nuts, hinge rods are hinged to the lower surfaces of the two nuts, movable plates are hinged to the lower ends of the two hinge rods, ground nails are fixedly arranged on the lower surfaces of the movable plates in an array mode, a first Z-shaped rod is fixedly arranged on the right side wall of the nut on the right side, and a clamping groove is formed in the side wall of the first Z-shaped rod. When the screw rod is twisted, the two nuts can synchronously and horizontally move in the direction away from the rotating shaft, the two nuts drive the movable plate to vertically move downwards through the two hinge rods correspondingly, the multiple ground nails synchronously and vertically move downwards, the multiple ground nails are inserted into soil, and the stability of the baffle placed on the ground is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of guardrails, and in particular relates to a safety protection device for construction site management. Background Art

[0002] When a construction site is under construction, temporary guardrails are needed to separate the construction site from the outside world. Temporary guardrails on construction sites need to be quickly installed and disassembled according to the needs of construction and transportation.

[0003] The existing guardrails have poor stability when placed on the ground during use, and it is troublesome to disassemble and assemble the guardrails. Therefore, we propose a safety protection device for construction site management. Utility Model Content

[0004] The purpose of the utility model is to provide a safety protection device for construction site management to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety protection device for construction site management, comprising a baffle, an assembly groove is provided at the bottom of the baffle, a screw rod is rotatably connected to the inner wall of the assembly groove, a positive thread and a negative thread are provided on the circumferential outer wall of the screw rod, the positive thread and the negative thread outer walls are threadedly connected to nuts, two nuts are hinged on the lower surfaces with hinge rods, two hinge rods are hinged on the lower ends with movable plates, ground nails are fixedly arranged in an array on the lower surface of the movable plate, a first Z-shaped rod is fixedly arranged on the right side wall of the nut on the right side, a clamping groove is provided on the side wall of the first Z-shaped rod, a second Z-shaped rod is fixedly arranged on the left side wall of the nut on the left side, and a clamping block is fixedly arranged on the left end of the second Z-shaped rod.

[0006] Preferably, a driven bevel gear is fixedly provided on the circumferential outer wall of the screw rod, and the side wall of the baffle is rotatably connected to a rotating shaft, an active bevel gear is fixedly provided on one end of the rotating shaft located in the assembly groove, and the active bevel gear is meshed with the driven bevel gear, and a knob is fixedly provided on one end of the rotating shaft located outside the assembly groove.

[0007] Preferably, a first receiving groove is formed on the right side wall of the baffle, and the first receiving groove is movably mounted on the outside of the first Z-shaped rod. A second receiving groove is formed on the left side wall of the baffle, and the second receiving groove is movably mounted on the outside of the second Z-shaped rod and the block.

[0008] Preferably, the plurality of ground nails are all located inside the assembly groove, and when the movable plate drives the plurality of ground nails to move vertically downward synchronously, the lower ends of the plurality of ground nails move from the assembly groove to below the baffle.

[0009] Preferably, the first Z-shaped rod and the second Z-shaped rod both abut against the top surface of the movable plate, and the first Z-shaped rod and the second Z-shaped rod prevent the movable plate from moving upward.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) The safety protection device for construction site management is provided with a movable plate and a plurality of ground nails. When the screw rod is turned, the two nuts can be synchronously moved horizontally in a direction away from the rotating shaft. The two nuts drive the movable plate to move vertically downward through two hinge rods respectively. The plurality of ground nails are synchronously moved vertically downward. The plurality of ground nails are inserted into the soil to improve the stability of the baffle placed on the ground.

[0012] (2) The safety protection device for construction site management is provided with a first Z-shaped rod, a slot, a second Z-shaped rod and a block. After the right nut drives the slot to be moved out of the first receiving slot, and the left nut drives the second Z-shaped rod and the block to be moved out of the second receiving slot, a plurality of baffles are placed side by side so that the blocks on two adjacent baffles are inserted into the slots, thereby improving the stability of the two adjacent baffles after being spliced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a front cutaway perspective view of the utility model;

[0015] Figure 3 It is a top-sectional stereoscopic view of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the card slot and the card block of the utility model.

[0017] In the figure:

[0018] 1. baffle; 2. assembly groove; 3. screw rod; 4. positive thread; 5. negative thread; 6. nut; 7. hinge rod; 8. movable plate; 9. ground nail; 10. driven bevel gear; 11. rotating shaft; 12. driving bevel gear; 13. first receiving groove; 14. first Z-shaped rod; 15. clamping groove; 16. second Z-shaped rod; 17. second receiving groove; 18. clamping block. DETAILED DESCRIPTION

[0019] The following will be combined with 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 the embodiments. Based on the embodiments in 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.

[0020] See also Figure 1-Figure 4The utility model provides a safety protection device for construction site management, including a baffle 1, a mounting groove 2 is provided at the bottom of the baffle 1, a screw rod 3 is rotatably connected to the inner wall of the mounting groove 2, a positive thread 4 and a negative thread 5 are provided on the circumferential outer wall of the screw rod 3, nuts 6 are threadedly connected to the outer walls of the positive thread 4 and the negative thread 5, hinge rods 7 are hinged on the lower surfaces of the two nuts 6, movable plates 8 are hinged on the lower ends of the two hinge rods 7, ground nails 9 are fixedly arranged in an array on the lower surface of the movable plate 8, a first Z-shaped rod 14 is fixedly arranged on the right side wall of the right nut 6, a clamping groove 15 is provided on the side wall of the first Z-shaped rod 14, a second Z-shaped rod 16 is fixedly arranged on the left side wall of the left nut 6, and a clamping block 18 is fixedly arranged on the left end of the second Z-shaped rod 16.

[0021] In the present embodiment, preferably, a driven bevel gear 10 is fixedly provided on the circumferential outer wall of the screw rod 3, and a rotating shaft 11 is rotatably connected to the side wall of the baffle 1. An active bevel gear 12 is fixedly provided on one end of the rotating shaft 11 located in the assembly groove 2, and the active bevel gear 12 is meshed with the driven bevel gear 10. A knob is fixedly provided on one end of the rotating shaft 11 located outside the assembly groove 2. When the rotating shaft 11 is twisted by holding the knob, the active bevel gear 12 rotates, and the screw rod 3 is driven to rotate through the meshing transmission of the active bevel gear 12 and the driven bevel gear 10.

[0022] In this embodiment, preferably, a first receiving groove 13 is provided on the right side wall of the baffle 1, and the first receiving groove 13 is movably mounted on the outside of the first Z-shaped rod 14. A second receiving groove 17 is provided on the left side wall of the baffle 1, and the second receiving groove 17 is movably mounted on the outside of the second Z-shaped rod 16 and the block 18. The first receiving groove 13 protects the first Z-shaped rod 14, and the second receiving groove 17 protects the second Z-shaped rod 16 and the block 18. When transporting the baffle 1, the baffle 1 is kept in a square shape, which facilitates stacking and transportation of several baffles 1, while preventing the first Z-shaped rod 14, the second Z-shaped rod 16 and the block 18 from being damaged by collision.

[0023] In this embodiment, preferably, the plurality of ground nails 9 are all located inside the assembly groove 2 , and when the movable plate 8 drives the plurality of ground nails 9 to move vertically downward synchronously, the lower ends of the plurality of ground nails 9 move from the assembly groove 2 to below the baffle 1 .

[0024] In this embodiment, preferably, the first Z-shaped rod 14 and the second Z-shaped rod 16 are both against the top surface of the movable plate 8, and the first Z-shaped rod 14 and the second Z-shaped rod 16 block the movable plate 8 from moving upward, making it convenient for the operator to adjust the height of the movable plate 8 and completely store several ground nails 9 into the assembly groove 2.

[0025] Working principle and use process of the utility model: when the device is used, the lower surface of the baffle 1 touches the ground, the knob is held by hand to turn the rotating shaft 11, the active bevel gear 12 rotates, and the meshing transmission of the active bevel gear 12 and the driven bevel gear 10 drives the screw rod 3 to rotate, so that the two nuts 6 move horizontally in a direction away from the rotating shaft 11 synchronously, and the two nuts 6 drive the movable plate 8 to move vertically downward through the two hinge rods 7 respectively. When the movable plate 8 drives a plurality of ground nails 9 to move vertically downward synchronously, the lower ends of the plurality of ground nails 9 move from the assembly groove 2 to Under the baffle 1, insert it into the soil to improve the stability of the baffle 1 placed on the ground. During this process, the right nut 6 drives the right end of the first Z-shaped rod 14 to move out of the first receiving groove 13 until the slot 15 moves out of the first receiving groove 13, and the left nut 6 drives the second Z-shaped rod 16 and the block 18 to move out of the second receiving groove 17, and then place several baffles 1 side by side, so that the blocks 18 on two adjacent baffles 1 are inserted into the slot 15, and the two adjacent baffles 1 are clamped to improve the stability of the two adjacent baffles 1 after assembly.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety protection device for construction site management, comprising a baffle (1), characterized in that: The baffle (1) is provided with an assembly groove (2) at the bottom, and a screw rod (3) is rotatably connected to the inner wall of the assembly groove (2). The circumferential outer wall of the screw rod (3) is provided with a positive thread (4) and a negative thread (5). The outer walls of the positive thread (4) and the negative thread (5) are both threadedly connected to nuts (6). The lower surfaces of the two nuts (6) are both hinged with hinge rods (7). The lower ends of the two hinge rods (7) are hinged with movable plates (8). The lower surface of the movable plate (8) is fixed with ground nails (9) in an array. The right side wall of the right nut (6) is fixed with a first Z-shaped rod (14), and the side wall of the first Z-shaped rod (14) is provided with a clamping groove (15). The left side wall of the left nut (6) is fixed with a second Z-shaped rod (16), and the left end of the second Z-shaped rod (16) is fixed with a clamping block (18).

2. A safety protection device for construction site management according to claim 1, characterized in that: A driven bevel gear (10) is fixedly arranged on the circumferential outer wall of the screw rod (3); a rotating shaft (11) is rotatably connected to the side wall of the baffle plate (1); an active bevel gear (12) is fixedly arranged on one end of the rotating shaft (11) located in the assembly groove (2), and the active bevel gear (12) is meshed with the driven bevel gear (10); and a knob is fixedly arranged on one end of the rotating shaft (11) located outside the assembly groove (2).

3. A safety protection device for construction site management according to claim 1, characterized in that: The right side wall of the baffle (1) is provided with a first receiving groove (13), the first receiving groove (13) being movably sleeved on the outside of the first Z-shaped rod (14), and the left side wall of the baffle (1) is provided with a second receiving groove (17), the second receiving groove (17) being movably sleeved on the outside of the second Z-shaped rod (16) and the clamping block (18).

4. A safety protection device for construction site management according to claim 1, characterized in that: The plurality of ground nails (9) are all located inside the assembly groove (2), and when the movable plate (8) drives the plurality of ground nails (9) to move vertically downward synchronously, the lower ends of the plurality of ground nails (9) move from the assembly groove (2) to below the baffle (1).

5. A safety protection device for construction site management according to claim 4, characterized in that: The first Z-shaped rod (14) and the second Z-shaped rod (16) are both against the top surface of the movable plate (8), and the first Z-shaped rod (14) and the second Z-shaped rod (16) prevent the movable plate (8) from moving upward.

Images