Building construction safety protective fence convenient to assemble

Abstract

The utility model relates to the technical field of field management, in particular to a building construction safety protective fence convenient to assemble, which is characterized in that first connecting plates movably abut against adjacent side walls of two upright posts respectively, a plurality of transverse rods on two sides fixedly penetrate through the first connecting plates on the two sides respectively, and a bidirectional lead screw is screwed and inserted into the two transverse rods in the middle through threads; the two-way lead screw is rotationally sleeved with two second connecting plates through bearings, the two second connecting plates are connected through two connecting rods distributed up and down, the connecting rods penetrate through the second connecting plates and then are movably inserted into the transverse rod, the limiting mechanisms are arranged in the two stand columns correspondingly, and the limiting mechanisms and the transverse rod are arranged in a matched mode. And adaptive adjustment of the specification can be achieved according to the size of a construction site, and the application range is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of on-site management, and in particular to a building construction safety guardrail that is easy to assemble. Background Art

[0002] Safety guardrails are one of the main devices for safety protection in engineering construction. During the construction process of a building project, it is necessary to set up guardrails according to the actual situation of the construction site to ensure the safety of construction workers. Existing guardrails are usually installed and spliced ​​with multiple steel pipes. Although the structural strength is high, the specifications of the steel pipes are generally fixed, and the steel pipes need to be cut twice according to the on-site dimensions, resulting in a waste of resources. Moreover, multiple steel pipes usually require a large number of bolts and other connectors when connected. The assembly process is relatively cumbersome and inconvenient. Therefore, there is an urgent need for a construction safety guardrail that is easy to assemble. Utility Model Content

[0003] The utility model aims to solve the defects and shortcomings of the prior art and provide a construction safety guardrail with a reasonable design and easy assembly, so as to solve the above problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: it comprises a column and a crossbar, a plurality of slots are provided on the left and right side walls of the column, a plurality of crossbars are provided between the two columns and distributed on the left and right sides, and one end of the crossbar is movably inserted into the slot;

[0005] It also contains:

[0006] No. 1 connecting plates, there are two No. 1 connecting plates, which are movably arranged on the adjacent side walls of the two columns, and a plurality of cross bars on both sides are fixedly arranged on the No. 1 connecting plates on both sides;

[0007] A bidirectional screw, wherein the bidirectional screw is inserted on the two middle cross bars through a threaded connection, and two No. 2 connecting plates are provided on the bidirectional screw through a bearing rotation sleeve, and the two No. 2 connecting plates are connected by two connecting rods distributed up and down, and the connecting rods pass through the No. 2 connecting plates and are movably inserted on the cross bars;

[0008] The limiting mechanism is two and is respectively arranged in two upright posts, and the limiting mechanism is matched with the cross bar.

[0009] Preferably, the limiting mechanism comprises:

[0010] A threaded rod, wherein the threaded rod is screwed and inserted into the column through a bearing, the rotation directions of two adjacent threads on the threaded rod are arranged in opposite directions, and a contact plate is movably arranged in the movable grooves on the upper and lower sides of the slot;

[0011] Limit blocks, which are multiple and fixedly arranged on the left and right sides of the side walls of the multiple abutment plates, and the limit blocks are movably clamped in the slots provided on the crossbar;

[0012] The adjusting handle is arranged at the upper end of the column and is fixedly connected to the upper end of the threaded rod.

[0013] Preferably, the edges around the upper end of the column are all arranged to be tilted downward outward.

[0014] Preferably, reflective strips are fixedly provided on both the front and rear sides of the side wall of the cross bar.

[0015] Preferably, the upper fixing sleeve of the bidirectional lead screw is provided with an anti-slip sleeve, and the anti-slip sleeve is located between the two No. 2 connecting plates.

[0016] Compared with the prior art, the beneficial effect of the utility model is that the easy-to-assemble construction safety guardrail described in the utility model can not only be assembled conveniently, but also can be adapted and adjusted in specifications according to the size of the construction site, thereby expanding the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of a specific implementation method in the utility model.

[0019] Figure 3 It is a cross-sectional view of the center column of the utility model.

[0020] Figure 4 It is a structural schematic diagram of the cross bar in the utility model.

[0021] Description of reference numerals:

[0022] Column 1, cross bar 2, slot 3, No. 1 connecting plate 4, bidirectional lead screw 5, No. 2 connecting plate 6, connecting rod 7, limiting mechanism 8, threaded rod 8-1, resistance plate 8-2, limiting block 8-3, adjusting handle 8-4, reflective strip 9, anti-slip cover 10. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model.

[0024] like Figure 1-Figure 4As shown, this specific embodiment adopts the following technical scheme: it comprises a column 1 and a crossbar 2, a plurality of slots 3 are provided on the left and right side walls of the column 1, a plurality of crossbars 2 are provided between the two columns 1, the column 1 is 1.1M high, a plurality of crossbars 2 adjacent to each other are spaced 25CM apart, one end of the crossbar 2 is movably inserted into the slot 3, and reflective strips 9 are bonded and fixedly provided on the front and rear sides of the side walls of the crossbar 2. The reflective characteristics of the reflective strips 9 can make the guardrail more eye-catching at night, and prevent people from colliding with the guardrail in poor lighting conditions;

[0025] It also contains:

[0026] A No. 1 connecting plate 4, wherein the No. 1 connecting plates 4 are two in number, and are respectively movably disposed on adjacent side walls of two upright posts 1, and a plurality of cross bars 2 on both sides are respectively fixedly disposed on the No. 1 connecting plates 4 on both sides;

[0027] A bidirectional screw 5 is provided on the two middle cross bars 2 through a threaded connection. Two No. 2 connecting plates 6 are provided on the bidirectional screw 5 through a bearing connection sleeve. The two No. 2 connecting plates 6 are connected by two connecting rods 7 distributed up and down. The connecting rods 7 pass through the No. 2 connecting plates 6 and are movably inserted on the cross bar 2. An anti-slip sleeve 10 is provided on the bidirectional screw 5, and the anti-slip sleeve 10 is located between the two No. 2 connecting plates 6 to prevent the staff from slipping when turning the bidirectional screw 5.

[0028] The limiting mechanism 8 is two, and each of the limiting mechanisms 8 is disposed in two upright posts 1, and the limiting mechanism 8 is matched with the cross bar 2;

[0029] The limiting mechanism 8 comprises:

[0030] A threaded rod 8-1, wherein the threaded rod 8-1 is screwed into the column 1 through a bearing, and the threads of two adjacent threads on the threaded rod 8-1 are screwed in opposite directions, and a contact plate 8-2 is movably arranged in the movable grooves on the upper and lower sides of the slot 3;

[0031] Limiting blocks 8-3, there are several limiting blocks 8-3, which are respectively fixed on the left and right sides of the side walls of the several abutting plates 8-2 by bolts, and the limiting blocks 8-3 are movably clamped in the slots 3 provided on the crossbar 2;

[0032] The adjusting handle 8-4 is arranged at the upper end of the column 1, and the adjusting handle 8-4 is fixedly connected to the upper end of the threaded rod 8-1. The edges around the upper end of the column 1 are all arranged to be tilted downward outward, which can provide a sliding guide for rainwater falling on the column 1, avoiding rainwater from accumulating on the column 1 and seeping into the column 1 through the gap between the threaded rod 8-1 and the column 1.

[0033] When using the utility model, according to the size of the construction site, the two columns 1 are fixed on the ground with the adapted spacing, and then the cross bars 2 on both sides are aligned with the corresponding slots 3, and then the bidirectional screw 5 is rotated, and the bidirectional screw drives the cross bars 2 on both sides to move in opposite directions synchronously, so that the cross bars 2 are inserted into the slots 3, and the No. 1 connecting plate 4 contacts the side wall of the column 1, and then the adjusting handle 8-4 is rotated, and the adjusting handle 8-4 drives the threaded rod 8-1 to rotate, and the threaded rod 8-1 drives the contact plate 8-2 to move, so that the contact plate 8-2 moves in the direction of the cross bar 2, and the contact plate 8-2 drives the limit block 8-3 to be clamped in the limit groove, so as to realize the limit fixation when the cross bar 2 is connected to the column 1.

[0034] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0035] 1. Through the cooperation of the No. 1 connecting plate 4, the bidirectional screw rod, the No. 2 connecting plate 6, the connecting rod 7 and the limiting mechanism 8, not only can the column 1 and the cross bar 2 be conveniently assembled, but also the specifications of the guardrail can be adapted and adjusted according to the size of the construction site, thereby expanding the scope of application;

[0036] 2. The reflective properties of the reflective strip 9 can make the guardrail more eye-catching at night, thus preventing people from colliding with the guardrail in poor lighting conditions.

[0037] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. 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.

Claims

1. A construction safety guardrail that is easy to assemble, comprising a column (1) and a crossbar (2), wherein a plurality of slots (3) are provided on the left and right side walls of the column (1), a plurality of crossbars (2) are provided between the two columns (1) and are distributed on the left and right sides, and one end of the crossbar (2) is movably inserted into the slot (3); Features: It also contains: A No. 1 connecting plate (4), wherein the No. 1 connecting plates (4) are two in number and are movably disposed on adjacent side walls of two upright posts (1), and a plurality of cross bars (2) on both sides are respectively fixedly disposed on the No. 1 connecting plates (4) on both sides; A bidirectional lead screw (5), wherein the bidirectional lead screw (5) is inserted on two middle cross bars (2) by means of threaded connection, two No. 2 connecting plates (6) are sleeved on the bidirectional lead screw (5) by means of bearing connection, the two No. 2 connecting plates (6) are connected by two connecting rods (7) distributed up and down, and the connecting rods (7) pass through the No. 2 connecting plates (6) and are movably inserted on the cross bars (2); The limiting mechanisms (8) are two in number and are respectively arranged in two upright posts (1), and the limiting mechanisms (8) are arranged in coordination with the crossbar (2).

2. The easy-to-assemble construction safety guardrail according to claim 1 is characterized by: The limiting mechanism (8) comprises: A threaded rod (8-1), wherein the threaded rod (8-1) is screwed and inserted into the column (1) through a bearing, the screw directions of two adjacent threads on the threaded rod (8-1) are arranged in opposite directions, and abutment plates (8-2) are movably arranged in movable grooves on upper and lower sides of the slot (3); Limit blocks (8-3), the limit blocks (8-3) are multiple and fixedly arranged on the left and right sides of the side walls of the multiple abutment plates (8-2), and the limit blocks (8-3) are movably clamped in slots (3) provided on the crossbar (2); An adjusting handle (8-4) is arranged at the upper end of the column (1), and the adjusting handle (8-4) is fixedly connected to the upper end of the threaded rod (8-1).

3. The easy-to-assemble construction safety guardrail according to claim 1 is characterized by: The edges around the upper end of the column (1) are all arranged to be tilted downward outward.

4. The easy-to-assemble construction safety guardrail according to claim 1 is characterized by: Reflective strips (9) are fixedly arranged on both the front and rear sides of the side wall of the crossbar (2).

5. The easy-to-assemble construction safety guardrail according to claim 1 is characterized by: The upper fixed sleeve of the bidirectional lead screw (5) is provided with an anti-slip sleeve (10), and the anti-slip sleeve (10) is located between the two No. 2 connecting plates (6).

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