Building floor hole protection device

Abstract

The utility model relates to a building floor hole protection device which comprises a vertical supporting assembly and a plurality of transverse connecting rods, the vertical supporting assembly comprises stand columns on the two sides and telescopic sleeve rods fixedly connected between the lower portions of the stand columns on the two sides, and the outer side faces of the lower portions of the stand columns abut against the side wall of a hole and are clamped and fixed to a floor through fastening devices. The upper portions of the stand columns are fixedly connected through transverse connecting rods. Each group of telescopic loop bars form a horizontal plane, and a cover plate is placed on the horizontal plane; the upper clamping plate and the lower clamping plate are vertically and oppositely fixed to the outer side face of the stand column, the upper end of the adjusting screw vertically penetrates through the upper clamping plate, the upper side and the lower side of the upper clamping plate are sleeved with nuts, the lower end of the adjusting screw is fixed to the steel plate, the bottom face of the steel plate abuts against the top face of a floor, and the top face of the lower clamping plate abuts against the bottom face of the floor. The stand column and the telescopic sleeve rod provide horizontal supporting force for the hole. The fastening device is arranged to be clamped and fixed on the floor around the hole, and the vertical position of the stand column can be fixed without damaging the concrete structure of the floor.

Description

Technical Field

[0001] The utility model relates to the technical field of building safety, in particular to a protective device for a building floor opening. Background Art

[0002] In recent years, with the continuous improvement of safety production standards, large openings reserved in building floors must not only be equipped with guardrails around the openings, but also covered with covers to prevent construction workers from accidentally stepping on them and falling. The conventional practice of guardrails is to set up steel pipes around the openings or use tool-type guardrails to close them, fix wooden planks on the steel pipes or guardrails, and lay covers on the wooden planks. If steel pipes are used for installation, the steel pipes need to be welded and fixed, and cannot be reused; if tool-type guardrails are used, the columns need to be drilled in the floor and fixed with expansion bolts, which is not only time-consuming and labor-intensive to install and remove, but also causes a certain degree of damage to the floor. Utility Model Content

[0003] The utility model aims to solve the above-mentioned problem, thereby providing a hole protection device which is easy to disassemble and does not damage the floor structure.

[0004] The utility model solves the above problems and adopts the following technical solutions:

[0005] A building floor opening protection device comprises a vertical support assembly and a plurality of transverse connecting rods.

[0006] At least two groups of vertical support assemblies are provided, and the vertical support assemblies include columns on both sides and telescopic sleeves fixedly connected between the lower parts of the columns on both sides, the lower outer side of the column abuts against the side wall of the opening, and is clamped and fixed to the floor slab through a fastening device; the upper parts of the columns on the same side and adjacent to each other, and the upper parts of the columns in the same group are fixedly connected through a transverse connecting rod; each group of telescopic sleeves forms a horizontal plane, on which a cover plate is placed;

[0007] The fastening device includes an upper splint, an adjusting screw, a steel plate and a lower splint. The upper splint and the lower splint are vertically fixed relative to each other on the outer side of the column. The upper end of the adjusting screw is vertically penetrated through the upper splint, and nuts are sleeved on the adjusting screws on the upper and lower sides of the upper splint. The lower end of the adjusting screw is fixed to the steel plate, the bottom surface of the steel plate abuts against the top surface of the floor, and the top surface of the lower splint abuts against the bottom surface of the floor.

[0008] Compared with the prior art, the utility model adopting the above technical solution has the following beneficial effects:

[0009] 1. The column and telescopic sleeve of this device provide horizontal support for the hole. At the same time, the telescopic sleeve can also be used as a horizontal surface for placing the cover plate, reducing the construction cost of additional cover plate fixtures;

[0010] 2. By setting fastening devices to clamp on the floor slab around the opening, the vertical position of the column can be fixed without destroying the concrete structure of the floor slab;

[0011] 3. All components of this device are detachable and fixed structures and can be reused.

[0012] As a preferred embodiment, a further technical solution of the utility model is:

[0013] The telescopic sleeve comprises a sleeve in the middle and telescopic rods mounted at both ends of the sleeve, the outer ends of the telescopic rods extend to the columns on both sides and are fixedly connected to the columns, the sleeve and the telescopic rods are provided with a plurality of through fixing holes, and bolts are arranged in the fixing holes. Through the above structure, it is convenient to adjust the telescopic amount of the telescopic sleeve, and then adjust the supporting force on the columns on both sides, so as to achieve better supporting effect and higher safety.

[0014] A plurality of through holes are arranged at intervals along the length direction of each column. A steel wire rope is connected to one of the through holes, and the other end of the steel wire rope is connected to one of the fixing holes of the same set of sleeves. The cover plate is laid on the telescopic sleeve rod, and the column and the telescopic sleeve rod are provided with inclined steel wire ropes, which makes the telescopic sleeve rod structure more stable, thereby increasing the stability of the cover plate.

[0015] The lower inner side surface of the column is connected with an angle steel by bolts, and the outer end of the telescopic rod is arranged on the other side of the angle steel and fixedly connected with the angle steel by bolts. Through the above structure, the telescopic sleeve rod structure is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model supported in the middle opening of the floor slab;

[0017] Figure 2 yes Figure 1 Side view of

[0018] Figure 3 It is a schematic diagram of half of the structure of the protective device of the utility model;

[0019] Figure 4 yes Figure 1 A partial enlarged view of part A;

[0020] Figure 5 It is a schematic diagram of the structure of the utility model supported between the edge opening of the floor slab and the wall;

[0021] In the figure: 1. horizontal connecting rod; 2. column; 3. through hole; 4. steel wire rope; 5. upper clamping plate; 6. adjusting screw; 7. steel plate; 8. lower clamping plate; 9. floor slab; 10. telescopic sleeve rod; 101. telescopic rod; 102. fixing hole; 103. sleeve; 11. cover plate; 12. angle steel; 13. wall. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0023] See attached Figure 1-5 The utility model discloses a building floor opening protection device, including a vertical support assembly and a horizontal connecting rod 1.

[0024] At least two groups of vertical support assemblies are provided, and the vertical support assemblies include columns 2 on both sides and telescopic sleeves 10 fixedly connected between the lower parts of the columns 2 on both sides. The outer side surface of the lower part of the column 2 abuts against the side wall of the opening and is clamped and fixed to the floor slab 9 around the opening through a fastening device; the upper parts of the adjacent columns 2 on the same side and the upper parts of the columns 2 in the same group are fixedly connected by a transverse connecting rod 1 to increase the stability of the upper part of the column; each group of telescopic sleeves 10 forms a horizontal plane, on which a cover plate 11 is placed;

[0025] The fastening device includes an upper clamping plate 5, an adjusting screw 6, a steel plate 7 and a lower clamping plate 8. The upper clamping plate 5 and the lower clamping plate 8 are relatively fixed vertically on the outer side of the column 2, wherein the bottom surface of the lower clamping plate 8 is flush with the bottom surface of the column 2, a vertical threaded hole is opened on the upper clamping plate 5, the upper end of the adjusting screw 6 is vertically penetrated through the threaded hole on the upper clamping plate 5, and nuts are sleeved on the adjusting screw 6 located on the upper and lower sides of the upper clamping plate 5, the lower end of the adjusting screw 6 is fixed to the steel plate 7, the bottom surface of the steel plate 7 is in contact with the top surface of the floor 9, and the top surface of the lower clamping plate 8 is in contact with the bottom surface of the floor 9. The length of the adjusting screw 6 between the upper clamping plate 5 and the floor 9 is adjusted by the nut on the lower side of the upper clamping plate 5, so that the steel plate 7 connected to the lower end of the adjusting screw 6 can gradually fit the top surface of the floor 9, thereby clamping the floor 9.

[0026] In this embodiment, the inner ends of the upper clamping plate 5 and the lower clamping plate 8 of the fastening device are welded and fixed to the column 2, and the bottom end of the adjusting screw 6 is also fixed to the steel plate 7 by welding to increase the stability of the clamping.

[0027] In this embodiment, the column 2 and the telescopic sleeve 10 of the device provide horizontal support force for the hole. At the same time, the telescopic sleeve 10 also serves as a horizontal plane for placing the cover plate 11, reducing the construction cost of additional cover plate 11 clamps; by setting a fastening device to clamp on the floor 9 around the hole, the vertical position of the column 2 can be fixed without destroying the concrete structure of the floor 9; the various components of the device are detachable fixed structures and can be reused.

[0028] As an option, the columns 2 and transverse connecting rods 1 of this embodiment are both cut from square tubes, and the remaining square tubes from construction can be used to reduce costs; a number of through bolt holes are opened on the upper and middle parts of the two outer surfaces of the columns 2, and corresponding bolt holes are also opened at both ends of the transverse connecting rod 1. Bolts are used to pass through the bolt holes of the columns 2 and the transverse connecting rod 1 in turn, and nuts are set on the protruding ends of the bolts to fix the transverse connecting rod 1 to the columns 2, so that the transverse connecting rod 1 provides the column 2 with a transverse restraining force at the upper end and the middle position. The transverse connecting rod 1 and the columns 2 form a guardrail above the opening, which plays a role in safety warning and blocking.

[0029] In this embodiment, the telescopic sleeve 10 includes a sleeve 103 in the middle and a telescopic rod 101 with sleeves at both ends of the sleeve 103. The outer ends of the telescopic rod 101 extend toward the columns 2 on both sides and are fixedly connected to the columns 2. The sleeve 103 and the telescopic rod 101 are provided with a plurality of through fixing holes 102, which are threaded holes and are provided with bolts. When in use, the two ends of the telescopic rod 101 are stretched until the two ends of the telescopic rod 101 are close to the column 2 and are fixedly connected to the column 2. Bolts are inserted into the fixing holes 102 corresponding to the telescopic rod 101 and the sleeve 103 to fix the telescopic amount of the telescopic sleeve 10. Through the above structure, it is convenient to adjust the telescopic amount of the telescopic sleeve 10, and then adjust the supporting force on the columns 2 on both sides, so that the supporting effect is better and the safety is higher.

[0030] In this embodiment, a plurality of through holes 3 are arranged at intervals along the length direction of each column 2, one of the through holes 3 is connected to a steel wire rope 4, and the other end of the steel wire rope 4 is connected to a fixing hole 102 of the same set of sleeves 103; since the cover plate 11 is laid on the upper end of the telescopic sleeve 10, when the lower end of the steel wire rope 4 is tied, a through hole for the steel wire rope 4 to pass through is opened at the corresponding position of the cover plate 11 to ensure that the steel wire rope 4 is tied smoothly. As an implementation method, after the upper and lower ends of the steel wire rope 4 pass through the through hole 3 and the fixing hole 102, the rope ends are clamped by the steel wire rope 4 clamp. The cover plate 11 of this embodiment covers the telescopic sleeve 10, and the column 2 and the telescopic sleeve 10 have the inclined steel wire rope 4, which makes the structure of the telescopic sleeve 10 more stable, thereby increasing the stability of the cover plate 11.

[0031] In this embodiment, the device can also be used in the case where the opening of the floor 9 is opened at the edge of the floor 9 and the other side of the opening is the wall 13. Only one side of the column 2 and the fastening device are installed at the position of the floor 9 at the opening, the column 2 and the telescopic sleeve 10 are fixed, and the other end of the telescopic sleeve 10 abuts against the side wall of the wall 13. The telescopic amount of the telescopic sleeve 10 is adjusted so that its two ends firmly support the column 2 and the wall 13. The steel wire rope 4 is tied to the column 2 and the telescopic sleeve 10, and the lower end of the steel wire rope 4 is tied to the fixing hole 102 at the farthest end of the column 2, so that the oblique pulling force on the telescopic sleeve 10 reaches the maximum, one end of the transverse connecting rod 1 is fixed to the column by bolts, and the other end face abuts against the side wall of the wall 13, and finally a cover plate 11 is placed on the telescopic sleeve 10.

[0032] In this embodiment, the lower inner side surface of the column 2 is connected to the angle steel 12 by bolts, and the outer end of the telescopic rod 101 is placed on the horizontal side of the angle steel 12 and fixedly connected to the horizontal side of the angle steel 12 by bolts. The bolt passes through the outer end of the column and is sleeved with a nut, and the bolt passes through the lower end of the horizontal side of the angle steel and is also sleeved with a nut, and the angle steel is fixedly connected to the column and the telescopic rod by the nut. Figure 4 When the cover plate 11 is laid on the telescopic sleeve rod 10, if it is affected by the bolts, a receiving groove or a through groove can be opened at the corresponding position of the lower end of the cover plate 11 to prevent the bolts from affecting the stability of the cover plate 11. Through the above structure, the telescopic sleeve rod 10 structure is more stable.

[0033] The above description is only a preferred feasible embodiment of the present utility model, and does not limit the scope of rights of the present utility model. All equivalent changes made using the contents of the present utility model specification and its drawings are included in the scope of rights of the present utility model.

Claims

1. A building floor opening protection device, comprising a vertical support assembly and a plurality of transverse connecting rods (1), characterized in that: At least two groups of vertical support assemblies are provided, and the vertical support assemblies include two columns (2) on both sides and telescopic sleeves (10) fixedly connected between the lower parts of the columns (2) on both sides; the lower outer side surfaces of the columns (2) abut against the side walls of the opening and are clamped and fixed to the floor slab (9) through a fastening device; the upper parts of the columns (2) on the same side and adjacent to each other, and the upper parts of the columns (2) in the same group are fixedly connected through a transverse connecting rod (1); each group of telescopic sleeves (10) forms a horizontal plane, on which a cover plate (11) is placed; The fastening device comprises an upper clamping plate (5), an adjusting screw (6), a steel plate (7) and a lower clamping plate (8). The upper clamping plate (5) and the lower clamping plate (8) are vertically fixed relative to each other on the outer side surface of the column (2). The upper end of the adjusting screw (6) is vertically penetrated through the upper clamping plate (5), and nuts are sleeved on the upper and lower sides of the upper clamping plate (5). The lower end of the adjusting screw (6) is fixed to the steel plate (7), the bottom surface of the steel plate (7) is in contact with the top surface of the floor slab (9), and the top surface of the lower clamping plate (8) is in contact with the bottom surface of the floor slab (9).

2. The building floor opening protection device according to claim 1 is characterized in that: The telescopic sleeve rod (10) comprises a sleeve (103) in the middle and telescopic rods (101) sleeved at both ends of the sleeve (103); the outer ends of the telescopic rods (101) extend toward the columns (2) on both sides and are fixedly connected to the columns (2); the sleeve (103) and the telescopic rod (101) are both provided with a plurality of penetrating fixing holes (102); bolts are provided in the fixing holes (102).

3. The building floor opening protection device according to claim 2 is characterized in that: A plurality of through holes (3) are arranged at intervals on the upper part of each column (2) along its length direction, a steel wire rope (4) is connected to one of the through holes (3), and the other end of the steel wire rope (4) is connected to one of the fixing holes (102) of the same group of sleeves (103).

4. The building floor opening protection device according to claim 1, characterized in that: The lower inner side surface of the column (2) is connected to an angle steel (12) by bolts, and the outer end of the telescopic rod (101) is placed on the other side of the angle steel (12) and fixedly connected to the angle steel (12) by bolts.

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