Safety device for steel structure building engineering construction site

Abstract

The utility model relates to a safety device for a steel structure building engineering construction site, and relates to the field of building engineering. The device comprises a bottom plate, stand columns are installed at the positions, close to the four corners, of the upper surface of the bottom plate, a backup plate is fixed to the front side of the bottom plate, a plurality of protective railings capable of being movably adjusted up and down are installed between every two adjacent stand columns from top to bottom, and the stand columns guide the protective railings when the protective railings are movably adjusted up and down. Adjusting lead screws penetrate through the portions, close to the two ends, of each single protective fence in a threaded mode, the adjusting lead screws on every two vertically-adjacent driving protective railings are connected end to end, and fixing plates are fixed to the upper ends of the stand columns. When the height of the protective barriers is adjusted, the driving mechanism drives the multiple adjusting lead screws to rotate so as to drive the multiple protective barriers to conduct lifting adjustment, and therefore the actual use requirement is better met, the height adjusting mechanism of the protective barriers is more simplified, and the occupied space of the height adjusting mechanism is smaller.

Description

Technical Field

[0001] The present application relates to the technical field of construction engineering, and in particular to a safety device for use at construction sites of steel structure construction projects. Background Art

[0002] The safety device used at the construction site of steel structure building projects is to lift the guardrail through a lifting device to send construction workers to the construction area for construction operations, and the guardrail plays a great role in the construction safety of construction workers.

[0003] The Chinese patent with announcement number CN114165040B discloses a safety device for use at a construction site of a steel structure building project, which belongs to the field of construction engineering and includes a fixed frame, a threaded slider, a limiting guide column, a limiting groove, a lifting roller and a vertical slide groove. The inner wall of the fixed frame is fixedly connected with a working screw for driving the threaded slider to slide horizontally, and the side wall of the threaded slider is screwed with a working connecting rod for driving the limiting guide column to slide along the limiting groove, and the top of the working connecting rod is screwed with a lifting platform for driving the lifting roller to slide vertically along the vertical slide groove. This safety device for use at a construction site of a steel structure building project is provided with a protective plate. In the protective mechanism, the sliding guide block slides through the driven hole groove to drive the rotating main board to rotate, so that the rotating main board rotates through the lifting slot hole to drive the protective plate to slide along the outer wall of the workbench. At the same time, the rotating main board rotates and drives the lifting guide column to slide along the inner wall of the lifting hole groove through the rotating sub-plate, thereby realizing protective operations for operations at different heights.

[0004] The above-mentioned safety device used at the construction site of the steel structure building project requires the sliding guide block to slide through the driven hole groove to drive the rotating main plate to rotate when adjusting the height of the protective plate, so that the rotating main plate rotates through the lifting slot hole to drive the protective plate to slide along the outer wall of the workbench. At the same time, the rotating main plate rotates through the rotating sub-plate to drive the lifting guide column to slide along the inner wall of the lifting hole groove to realize protective operations for operations at different heights. The entire adjustment mechanism for adjusting the height of the protective plate is relatively complicated and occupies a large space. Utility Model Content

[0005] In order to solve the problem that the entire adjustment mechanism of the safety device for steel structure construction project construction site to adjust the height of the protective plate is relatively complicated and occupies a large space, the present application provides a safety device for steel structure construction project construction site.

[0006] The present application provides a safety device for use at a steel structure construction site that adopts the following technical solutions:

[0007] A safety device for use at a construction site of a steel structure building project comprises a base plate, wherein columns are installed at the upper surface of the base plate near the four corners, and a backing plate is fixed to the front side of the base plate, and a plurality of guardrails that can be adjusted up and down are installed from top to bottom between two adjacent columns, and the columns guide the guardrails when they are adjusted up and down, an adjusting screw is threaded through each guardrail near the two ends, and the adjusting screws on the two adjacent driving guardrails are connected end to end, a fixing plate is fixed to the upper end of the column, and a driving mechanism that drives the uppermost adjusting screw to rotate is fixedly installed on the upper side of the fixing plate, and the lower end of the adjusting screw located at the lowermost side is rotatably mounted on the base plate.

[0008] By adopting the above technical solution, when adjusting the height of the guardrail, the driving mechanism drives multiple adjustment screws to rotate, thereby driving multiple guardrails to be raised and lowered to better meet actual usage needs, thereby making the height adjustment mechanism of the guardrail simpler and occupying less space.

[0009] Optionally, a sleeve groove is provided on the lower surface of the fixing plate and is sleeved on the upper end of the column, and a fixing hole is provided at a position of the fixing plate corresponding to the sleeve groove.

[0010] By adopting the above technical solution, the fixing plate is sleeved on the upper end of the column through the sleeve groove and is fixed by screws passing through the fixing holes.

[0011] Optionally, the driving mechanism includes a motor fixed on a fixed plate, a rotating shaft is fixed to the lower end of the motor output shaft, and a first connecting sleeve is fixed to the lower end of the rotating shaft passing through the fixed plate.

[0012] By adopting the above technical solution, the motor drives the rotating shaft to rotate the first connecting sleeve, thereby driving the adjusting screw to rotate.

[0013] Optionally, a plug that is sleeved with the first connecting sleeve is fixed to the upper end of the adjusting screw rod, and a second connecting sleeve is fixed to the lower end of the adjusting screw rod.

[0014] By adopting the above technical solution, the adjusting screw rod is sleeved and transmission-connected with the first connecting sleeve through the plug.

[0015] Optionally, a guide groove is provided on a side of the column facing the guardrail, and a fixing threaded hole is provided at the upper end of the column.

[0016] By adopting the above technical solution, the column guides the guardrail when adjusting it through the guide groove.

[0017] Optionally, guide plates clamped in the guide grooves are fixed at both ends of the guardrail, and adjustment threaded holes are provided near both ends of the guardrail.

[0018] By adopting the above technical solution, the guardrail is guided and matched in the guide groove through the guide plate.

[0019] Optionally, sockets are provided near the four corners of the base plate, and a fixing sleeve is fixed on the lower surface of the base plate at a position corresponding to the socket, a locking screw is installed on the side thread of the fixing sleeve, and a limiting hole is also provided on the upper surface of the base plate for inserting the lower end of the lowest adjusting screw rod.

[0020] By adopting the above technical solution, the column is inserted through the socket and the fixing sleeve, and is locked and fixed by the locking screw.

[0021] In summary, this application has the following beneficial technical effects:

[0022] In the present invention, when the height of the guardrail is adjusted, a driving mechanism drives multiple adjustment screws to rotate, thereby driving multiple guardrails to be raised and lowered to better meet actual usage needs, thereby making the height adjustment mechanism of the guardrail simpler and occupying less space. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a stereogram in the embodiment of the present application;

[0024] Figure 2 It is a schematic diagram in an embodiment of the present application;

[0025] Figure 3 It is a schematic diagram in an embodiment of the present application;

[0026] Figure 4 It is a schematic diagram in an embodiment of the present application;

[0027] Figure 5 It is a schematic diagram in an embodiment of the present application;

[0028] Figure 6 It is a schematic diagram in an embodiment of the present application;

[0029] Figure 7 It is a schematic diagram in an embodiment of the present application.

[0030] Explanation of the accompanying drawings: 1. Back plate; 2. Post; 21. Fixing threaded hole; 22. Guide groove; 3. Guardrail; 31. Adjusting threaded hole; 32. Guide plate; 4. Fixing plate; 41. Fixing hole; 42. Slot; 5. Driving mechanism; 51. Motor; 52. Rotating shaft; 53. First connecting sleeve; 6. Adjusting screw; 61. Plug; 62. Second connecting sleeve; 7. Base plate; 71. Fixing sleeve; 72. Locking screw; 73. Limiting hole; 74. Socket. DETAILED DESCRIPTION

[0031] The present application is further described in detail below with reference to the accompanying drawings.

[0032] The embodiment of the present application discloses a safety device for use at a steel structure construction site. Figure 1 The top of the support frame 1 is fixed with a screw thread 6, and the bottom of the support frame 1 is fixed with a screw thread 6. The top of the support frame 1 is fixed with a screw thread 6, and the top of the support frame 1 is fixed with a screw thread 6. The screw thread 6 is threaded through the bottom of the support frame 3 near the two ends, and the adjusting screws 6 on the two upper and lower adjacent driving guardrails 3 are connected end to end. The upper end of the support frame 3 is fixed with a fixing plate 4, and the upper side of the fixing plate 4 is fixed with a driving mechanism 5 that drives the uppermost adjusting screw 6 to rotate. When the height of the guardrail 3 is adjusted, the driving mechanism 5 drives the multiple adjusting screws 6 to rotate, thereby driving the multiple guardrails 3 to be raised and lowered to better meet the actual use needs, thereby making the height adjustment mechanism of the guardrail 3 simpler and taking up less space. The lower end of the adjusting screw 6 at the lower side is rotatably mounted on the bottom plate 7 to limit the lower end of the adjusting screw 6.

[0033] Reference Figure 2 The lower surface of the fixing plate 4 is provided with a sleeve groove 42 that is sleeved on the upper end of the column 2, and a fixing hole 41 is provided at a position corresponding to the sleeve groove 42 of the fixing plate 4. The fixing plate 4 is sleeved on the upper end of the column 2 through the sleeve groove 42 and is fixed by a screw passing through the fixing hole 41.

[0034] Reference Figure 3 The driving mechanism 5 includes a motor 51 fixed on the fixed plate 4, a rotating shaft 52 is fixed to the lower end of the output shaft of the motor 51, and the lower end of the rotating shaft 52 passes through the fixed plate 4 and is fixed with a first connecting sleeve 53. The motor 51 drives the rotating shaft 52 to drive the first connecting sleeve 53 to rotate, thereby driving the adjusting screw 6 to rotate.

[0035] Reference Figure 4 The upper end of the adjusting screw rod 6 is fixed with a plug 61 which is sleeved with the first connecting sleeve 53. The adjusting screw rod 6 is sleeved and transmission-connected with the first connecting sleeve 53 through the plug 61. The lower end of the adjusting screw rod 6 is fixed with a second connecting sleeve 62 which is used to be sleeved with the adjusting screw rod 6 on the lower side.

[0036] Reference Figure 5 A guide groove 22 is provided on the side of the column 2 facing the guardrail 3. The column 2 guides the guardrail 3 when adjusting through the guide groove 22. A fixing threaded hole 21 is provided on the upper end of the column 2 for fixing the fixing plate 4 with a screw.

[0037] Reference Figure 6Both ends of the guardrail 3 are fixed with guide plates 32 that are stuck in the guide groove 22. The guardrail 3 is guided in the guide groove 22 through the guide plates 32. Adjustment threaded holes 31 are opened near the two ends of the guardrail 3 to cooperate with the adjustment screw 6.

[0038] Reference Figure 7 The bottom plate 7 is provided with sockets 74 near the four corners, and a fixing sleeve 71 is fixed to the position corresponding to the socket 74 on the lower surface of the bottom plate 7. The side of the fixing sleeve 71 is threadedly installed with a locking screw 72. The column 2 is inserted through the socket 74 and the fixing sleeve 71 and locked and fixed by the locking screw 72. The upper surface of the bottom plate 7 is also provided with a limiting hole 73 for inserting the lower end of the lowermost adjusting screw rod 6 to limit the insertion of the lowermost adjusting screw rod 6.

[0039] The implementation principle of a safety device for steel structure construction sites in an embodiment of the present application is as follows: when using a guardrail, the construction workers stand on the inner side of the guardrail. At this time, the guardrail is lifted by a lifting device and sent to the construction area. At this time, the construction workers can perform construction operations in the construction area. When adjusting the height of the guardrail 3, the motor 51 is controlled to drive the rotating shaft 52 to drive the first connecting sleeve 53 to rotate, thereby driving the adjusting screw 6 to rotate. The rotation of the adjusting screw 6 drives the guardrail 3 to adjust its height, thereby meeting actual usage requirements.

[0040] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A safety device for use at a steel structure construction site, comprising a base plate (7), characterized in that: The upper surface of the base plate (7) is provided with columns (2) near the four corners, and a backing plate (1) is fixed to the front side of the base plate (7). A plurality of guardrails (3) that can be adjusted up and down are installed from top to bottom between two adjacent columns (2), and the columns (2) guide the guardrails (3) when they are adjusted up and down. An adjusting screw (6) is threaded through each of the two end portions of a single guardrail (3), and the adjusting screws (6) on the two adjacent driving guardrails (3) are connected end to end. A fixing plate (4) is fixed to the upper end of the column (2), and a driving mechanism (5) for driving the uppermost adjusting screw (6) to rotate is fixedly installed on the upper side of the fixing plate (4), and the lower end of the adjusting screw (6) located at the lowermost side is rotatably mounted on the base plate (7).

2. A safety device for use on a steel structure construction site according to claim 1, characterized in that: The lower surface of the fixing plate (4) is provided with a sleeve groove (42) sleeved on the upper end of the column (2), and a fixing hole (41) is provided at a position of the fixing plate (4) corresponding to the sleeve groove (42).

3. A safety device for use on a steel structure construction site according to claim 2, characterized in that: The driving mechanism (5) comprises a motor (51) fixed on a fixed plate (4), a rotating shaft (52) being fixed to the lower end of an output shaft of the motor (51), and a first connecting sleeve (53) being fixed to the lower end of the rotating shaft (52) passing through the fixed plate (4).

4. A safety device for use on a steel structure construction site according to claim 3, characterized in that: A plug (61) sleeved with the first connecting sleeve (53) is fixed to the upper end of the adjusting screw rod (6), and a second connecting sleeve (62) is fixed to the lower end of the adjusting screw rod (6).

5. A safety device for use on a steel structure construction site according to claim 1, characterized in that: A guide groove (22) is provided on the side of the column (2) facing the guardrail (3), and a fixing threaded hole (21) is provided at the upper end of the column (2).

6. A safety device for use on a steel structure construction site according to claim 5, characterized in that: Guide plates (32) that are clamped in the guide grooves (22) are fixed at both ends of the guardrail (3), and adjustment threaded holes (31) are provided near both ends of the guardrail (3).

7. A safety device for use on a steel structure construction site according to claim 1, characterized in that: The bottom plate (7) is provided with sockets (74) near the four corners, and a fixing sleeve (71) is fixed on the lower surface of the bottom plate (7) at a position corresponding to the socket (74), and a locking screw (72) is threadedly installed on the side of the fixing sleeve (71). The upper surface of the bottom plate (7) is also provided with a limiting hole (73) for inserting the lower end of the lowermost adjusting screw rod (6).

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