Telescopic square steel tube edge protection device

Abstract

The utility model belongs to the technical field of building construction safety protection, and particularly relates to a telescopic square steel tube edge protection device which comprises a protection transverse rod, rectangular sleeves are connected to the two ends of the protection transverse rod in a sliding mode, and telescopic pieces are fixedly connected to the sides, making contact with the inner side of a structural wall, of the sleeves. The outer end of the telescopic piece is fixedly connected with a positioning block, the positioning block is parallel to the outer side face of the structural wall, the positioning block is in threaded connection with a fastening bolt, the fastening bolt abuts against the outer side of the structural wall, and the translation direction of the fastening bolt is parallel to the telescopic piece; according to the utility model, the traditional installation method of installing expansion screws on the wall body is avoided, the wall body is not damaged, and the labor cost for repairing the wall body and cutting off the expansion screws is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction safety protection, and particularly relates to a telescopic square steel edge protection device. Background Art

[0002] When protecting edge openings, the traditional method is to drive expansion screws into the wall and then fix steel pipes for protection. This method requires cutting the steel pipes, resulting in material waste and will damage the wall to a certain extent. In the later stage, the wall needs to be repaired and the expansion bolts left on the wall need to be cut off. The process is cumbersome and the utilization rate is not high. Utility Model Content

[0003] In response to the problems raised by the above background technology, the purpose of the present utility model is to propose a retractable square steel edge protection device that is easy to install, firmly fixed, reusable, and can adapt to different wall thicknesses and different edge opening sizes, so as to solve the problems raised in the above background technology.

[0004] In order to achieve the above technical objectives, the technical solutions adopted by this utility model are as follows:

[0005] A telescopic square steel edge protection device includes a protective cross bar, and rectangular sleeves are slidably connected to both ends of the protective cross bar. A telescopic part is fixedly connected to the side of the sleeve that contacts the inner side of the structural wall. The outer end of the telescopic part is fixedly connected to a positioning block, and the positioning block is parallel to the outer side of the structural wall. The positioning block is threadedly connected to a fastening bolt, and the fastening bolt abuts the outer side of the structural wall. The translation direction of the fastening bolt is parallel to the telescopic part.

[0006] It is further defined that the outer end of the sleeve is fixedly connected to a closing plate having the same shape as the cross-section of the sleeve.

[0007] It is further defined that the telescopic part includes two angle steels that contact each other in the up and down directions, the angle steel located on the upper side is fixedly connected to the sleeve, the webs of the two angle steels are provided with a number of holes, the two angle steel webs are connected with positioning bolts, and the side of the positioning block is fixedly connected to the angle steel below.

[0008] It is further defined that the outer side of the lower angle steel is slidably connected to the structural wall.

[0009] It is further defined that a vertical connecting piece is fixedly connected to the lower side of the sleeve, the connecting piece and the telescopic piece are located at the same position of the sleeve, a placement hole is horizontally opened on the connecting piece, and a protective rod located in the placement hole is provided between the two connecting pieces.

[0010] It is further defined that the number of the placement holes is multiple and they are evenly arranged vertically.

[0011] It is further defined that a sliding rod is slidably connected in the connecting member, and the sliding rod is provided with through holes with the same size and the same spacing as the placement holes.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] After adopting the utility model, the traditional installation method of driving expansion screws into the wall is avoided, the wall is not damaged, and the labor cost of repairing the wall and cutting the expansion screws is saved.

[0014] The protective device has a reasonable structure, is easy and quick to install and disassemble, has a high reuse rate, can avoid the waste of cutting some steel pipes, and saves costs.

[0015] The utility model can effectively reduce potential safety hazards, is convenient and quick to install and dismantle, and effectively speeds up the construction progress. Most of the materials are commonly used in engineering projects and can be recycled and reused, saving construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention can be further described by way of non-limiting examples given in the accompanying drawings;

[0017] Figure 1 This is a schematic diagram of the front structure of a retractable square steel edge protection device of the present invention;

[0018] Figure 2 This is a schematic diagram of the rear structure of a retractable square steel edge protection device of the utility model;

[0019] Figure 3 This is a schematic diagram of the assembly of the sleeve and telescopic member of the utility model;

[0020] Figure 4 This is a schematic diagram of the assembly of the protective crossbar and the structural wall of the utility model;

[0021] Figure 5 This is a structural diagram of the second embodiment of the present utility model;

[0022] Figure 6 This is a structural diagram of a second embodiment of the protective crossbar and sleeve assembly of the present utility model;

[0023] Figure 7 This is a schematic structural diagram of the connector and sleeve assembly of the utility model;

[0024] The main component symbols are described as follows:

[0025] Protective crossbar 1;

[0026] Sleeve 2, connecting piece 21, placement hole 211, protective rod 22, sliding rod 23, closing plate 24;

[0027] Telescopic member 3, angle steel 31, positioning bolt 32, positioning block 4, fastening bolt 5. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0029] Example 1: Figure 1-7 As shown, a retractable square steel edge protection device includes a protective cross bar 1, and rectangular sleeves 2 are slidably connected to both ends of the protective cross bar 1. A telescopic part 3 is fixedly connected to the side of the sleeve 2 that contacts the inner side of the structural wall. The outer end of the telescopic part 3 is fixedly connected to a positioning block 4, and the positioning block 4 is parallel to the outer side of the structural wall. The positioning block 4 is threadedly connected to a fastening bolt 5, which abuts the outer side of the structural wall, and the translation direction of the fastening bolt 5 is parallel to the telescopic part 3.

[0030] By adopting the technical solution of this embodiment, one side of the sleeve 2 and the fastening bolts 5 are in contact with the opposite sides of the structural wall, and the telescopic part 3 is in contact with the side of the structural wall. When installing the protective cross bar 1, two protective cross bars 1 are set, the lower one is 600mm from the ground, and the upper one is 1200mm from the ground. During construction, first identify the size of the opening, and determine the length of the protective cross bar 1 according to the size of the opening. By adjusting the length of the telescopic part 3, the sleeve 2 and the fastening bolts 5 are clamped and fixed to both sides of the structural wall, and then the protective cross bar 1 is inserted into the sleeve 2, and the telescopic part 3 at the other end is adjusted so that the sleeve 2 and the fastening screws 5 are clamped and connected to the structural wall. The sleeve 2 can be replaced by a 50*50*5mm square steel tube material, and the telescopic part 3 can be replaced by a 40*40*5mm square steel tube material, so there is no need to produce other materials that meet the requirements.

[0031] Reference Figure 3 : The outer end of the sleeve 2 is fixedly connected with a closing plate 24 having the same shape as the cross section of the sleeve 2. In this embodiment, the closing plate 24 is used to seal the end of the sleeve 2, so that the two ends of the protective cross bar 1 are located inside the sleeve 2.

[0032] Reference Figure 3: This embodiment further defines the telescopic member. The telescopic member 3 includes two angle steels 31 that contact each other in the up-down direction. The angle steel 31 on the upper side is fixedly connected to the sleeve 2. The webs of the two angle steels 31 are provided with a number of holes. The webs of the two angle steels 31 are connected with positioning bolts 32. The side of the positioning block 4 is fixedly connected to the lower angle steel 31. In this embodiment, when the length of the telescopic member 3 is adjusted to adapt to the thickness of the structural wall, the position of the connection between the positioning bolts 32 and the two angle steels 31 is changed. The lower angle steel 31 is horizontally dragged and adjusted to the appropriate position, and then the positions of the holes opened in the webs of the two angle steels 31 are aligned, and then the positioning bolts 32 are fixed to the two angle steels 31.

[0033] Reference Figure 1-2 : This embodiment further limits the position of the angle steel 31, and the outer side of the lower angle steel 31 is slidably connected to the structural wall.

[0034] Example 2: Reference Figure 5-6 This embodiment adds the following structure to the underside of the sleeve 2: a vertical connector 21 is fixedly connected to the underside of the sleeve 2. The connector 21 and the telescopic member 3 are located at the same position on the sleeve. The connector 21 has a placement hole 211 formed transversely therein. A protective rod 22 is provided between the two connectors 21 and is positioned within the placement hole 211. The placement hole 211 in the connector 21 allows the protective rod 22 to be placed within the placement hole 211. The provision of the protective rod 22 increases the protective area, eliminating the need to install multiple protective cross bars 1.

[0035] Example 3: Reference Figure 5-7 Multiple placement holes 211 are provided, evenly spaced vertically. In this embodiment, multiple placement holes 211 are provided, allowing for the placement of multiple protective rods 22. Sliding rods 23 are slidably connected to the connector 21, and the sliding rods 23 have through-holes of the same size and spacing as the placement holes 211. The sliding rods 23 slide within the connector 21, and the simultaneous connection of the protective rods 22, the sliding rods 23, and the connector 21 prevents the sliding rods 23 from sliding out of the connector 21. When multiple protective rods 22 are not required, the sliding rods 23 can be removed directly.

[0036] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by persons skilled in the art without departing from the spirit and technical principles disclosed herein shall be covered by the claims of the present invention.

Claims

1. A retractable square steel edge protection device, comprising a protective cross bar (1), characterized in that: The two ends of the protective cross bar (1) are slidably connected to rectangular sleeves (2), the side of the sleeve (2) in contact with the inner side of the structural wall is fixedly connected to a telescopic member (3), the outer end of the telescopic member (3) is fixedly connected to a positioning block (4), the positioning block (4) is parallel to the outer side of the structural wall, the positioning block (4) is threadedly connected to a fastening bolt (5), the fastening bolt (5) is in contact with the outer side of the structural wall, and the translation direction of the fastening bolt (5) is parallel to the telescopic member (3).

2. The retractable square steel edge protection device according to claim 1, characterized in that: The outer end of the sleeve (2) is fixedly connected to a closing plate (24) having the same shape as the cross section of the sleeve (2).

3. The retractable square steel edge protection device according to claim 1, characterized in that: The telescopic member (3) includes two angle steels (31) that contact each other in the up-down direction. The angle steel (31) located on the upper side is fixedly connected to the sleeve (2). The webs of the two angle steels (31) are provided with a number of holes. The webs of the two angle steels (31) are connected with positioning bolts (32). The side of the positioning block (4) is fixedly connected to the angle steel (31) below.

4. The retractable square steel edge protection device according to claim 3, characterized in that: The outer side of the lower angle steel (31) is slidably connected to the structural wall.

5. The retractable square steel edge protection device according to claim 3, characterized in that: A vertical connecting piece (21) is fixedly connected to the lower side of the sleeve (2); the connecting piece (21) and the telescopic piece (3) are located at the same position of the sleeve; a placement hole (211) is horizontally opened on the connecting piece (21); and a protective rod (22) located in the placement hole (211) is provided between the two connecting pieces (21).

6. The retractable square steel edge protection device according to claim 5, characterized in that: The placement holes (211) are multiple in number and are evenly arranged vertically.

7. The retractable square steel edge protection device according to claim 5, characterized in that: A sliding rod (23) is slidably connected inside the connecting member (21), and the sliding rod (23) is provided with a through hole having the same size and the same spacing as the placement hole (211).

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