阅读说明：本技术 一种建筑施工中电梯井道便携式防护门 (Portable protective door for elevator shaft in building construction ) 是由 史洲洋 王瑞 王磊 董帅 杨鹏 时东健 杨立行 于 2019-11-12 设计创作，主要内容包括：本发明公开了一种用于建筑施工中电梯井道便携式防护门,包括防护门网片、上调节轴、下调节轴、自锁拉环、踢脚板、防护门主框架,所述防护门主框架为门字形框架,所述的上调节轴,下调节轴为直径14mm的圆钢,上调节轴的两端焊接在防护门主框架的上部,下调节轴的两端焊接在防护门主框架的下部,上调节轴,下调节轴上分别套装两个自锁拉环。该便携式防护门以电梯井道结构剪力墙或者构造柱为依托利用防护门的四个自锁拉环固定,结构简单,方便安装,易拆卸,适应范围广,稳定可靠,能够有效减少电梯井道各到工序施工中防护门反复安装造成的施工不便问题,同时具有施工速度快、成本低、安全可靠等特点。(The invention discloses a portable protective door for an elevator shaft in building construction, which comprises a protective door net sheet, an upper adjusting shaft, a lower adjusting shaft, self-locking pull rings, a skirting board and a protective door main frame, wherein the protective door main frame is a door-shaped frame, the upper adjusting shaft and the lower adjusting shaft are round steel with the diameter of 14mm, two ends of the upper adjusting shaft are welded on the upper part of the protective door main frame, two ends of the lower adjusting shaft are welded on the lower part of the protective door main frame, and the upper adjusting shaft and the lower adjusting shaft are respectively sleeved with the two self-locking pull rings. This portable protection door uses elevator well structure shear force wall or constructional column to be fixed for relying on four auto-lock pull rings that utilize the protection door, simple structure, and easy to assemble, quick detachable, accommodation is wide, and is reliable and stable, can effectively reduce the elevator well and respectively to the inconvenient problem of construction that the protection door installed repeatedly and caused in the process construction, has characteristics such as the construction speed is fast, with low costs, safe and reliable simultaneously.)

1. The utility model provides a portable guard gate of elevator well for building construction, includes guard gate net piece (3), goes up regulating spindle (2), lower regulating spindle (4), auto-lock pull ring (1), baseboard (6), guard gate main frame (5) are door font frame, last regulating spindle (2), lower regulating spindle (4) are diameter 14 mm's round steel, the both ends welding of going up regulating spindle (2) is on the upper portion of guard gate main frame (5), the both ends welding of lower regulating spindle (4) is in the lower part of guard gate main frame (5), goes up regulating spindle (2), overlaps two auto-lock pull rings (1) on lower regulating spindle (4) respectively.

2. The auxiliary tool for fixing the protective door of the elevator hoistway according to claim 1, wherein the self-locking pull ring (1) is connected with the upper adjusting shaft (2) and the lower adjusting shaft (4) through adjustable rings, the adjustable rings are sleeves with the diameter of 80mm, the sleeves are welded at the root parts of the self-locking pull ring (1), and the sleeves are sleeved on the adjusting shafts.

3. The auxiliary tool for fixing the protective door of the elevator shaft according to the claim 1 is characterized in that the protective door net (3) is arranged between the upper and lower adjusting shafts and painted with yellow-black or red-white warning color.

4. The auxiliary tool for fixing the protective door of the elevator hoistway according to claim 1, wherein the main protective door frame is a square tube with the side length of 40 mm; the whole height of the protective door is 1.5 m; the self-locking pull ring is Q335-grade round steel with the diameter of 10 mm; the thickness of the skirting board is a thin steel plate smaller than 4 mm; the protective door net piece is a common woven steel wire mesh.

5. Auxiliary tool for fixing elevator shaft protective doors according to claim 1, characterized by the self-locking pull ring (1) seizes the elevator shaft structure or construction column with its own weight.

Technical Field

The invention belongs to a portable protective door for an elevator shaft in building construction, and particularly relates to a portable protective door for fixing the elevator shaft in civil building construction.

Background

At present, in the construction of building engineering structures, especially for construction holes needing elevator shaft safety protection, building construction safety accidents are increased at any time, high-altitude falling accidents caused by loss or improper protection of reserved holes also often occur in the construction safety accidents, and it is particularly important for construction units to practically make safety measure pre-control.

At present, in the building engineering work progress, the protection of elevartor shaft door entrance to a cave has multiple form, if utilize the scaffold pipe to set up horizontal pole, wood system baffle, fixed fence etc. above-mentioned elevator well guard gate simple structure, the protection is not in place, opens too simply or consolidates too loaded down with trivial details, all has certain potential safety hazard, can cause the injury to the constructor.

Disclosure of Invention

The invention provides a portable protective door for an elevator shaft in building construction for solving the technical problems in the prior art, the tool is convenient to construct, stable and reliable, and can effectively reduce the problems of embedded part embedding offset and expansion bolt fixing labor consumption.

The utility model provides a portable guard gate of elevator well for construction, includes guard gate net piece, goes up regulating spindle, lower regulating spindle, auto-lock pull ring, baseboard, guard gate main frame, the guard gate main frame is door font frame, last regulating spindle, lower regulating spindle be diameter 14 mm's round steel, the both ends welding of going up the regulating spindle is on the upper portion of guard gate main frame, the both ends welding of lower regulating spindle is in the lower part of guard gate main frame, goes up the regulating spindle, overlaps two auto-lock pull rings respectively on the lower regulating spindle.

The self-locking pull ring is connected with the upper adjusting shaft and the lower adjusting shaft through adjustable rings, the adjustable rings are sleeves with the diameter of 80mm, the root parts of the self-locking pull rings are welded with the sleeves, and the sleeves are sleeved on the adjusting shafts.

The protective door net piece is arranged between the upper adjusting shaft and the lower adjusting shaft and is painted with yellow-black or red-white warning color.

The main frame of the protective door is a square tube with the side length of 40 mm; the whole height of the protective door is 1.5 m; the self-locking pull ring is Q335-grade round steel with the diameter of 10 mm; the thickness of the skirting board is a thin steel plate smaller than 4 mm; the protective door net piece is a common woven steel wire mesh.

The self-locking pull ring utilizes self weight to clamp an elevator shaft structure or a constructional column.

The invention has the beneficial effects that: the elevator shaft structure shear wall or the constructional column is fixed by the aid of the four self-locking pull rings of the protective door, and the elevator shaft structure shear wall or the constructional column is simple in structure, convenient to install, easy to disassemble, wide in application range, stable and reliable, can effectively reduce the problem of construction inconvenience caused by repeated installation of the protective door in the process construction of the elevator shaft, and has the characteristics of high construction speed, low cost, safety, reliability and the like.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1. a self-locking pull ring; 2. an upper adjustment shaft; 3. a protective door mesh; 4. a lower adjustment shaft; 5. a protective door main frame; 6. skirting board

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1, a portable protective door for an elevator shaft in building construction comprises a protective door mesh 3, an upper adjusting shaft 2, a lower adjusting shaft 4, a self-locking pull ring 1, a skirting board 6 and a protective door main frame 5, wherein the protective door main frame 5 is a door-shaped frame, the upper adjusting shaft 2 and the lower adjusting shaft 4 are round steel with a diameter of 14mm, two ends of the upper adjusting shaft 2 are welded on the upper part of the protective door main frame 5, two ends of the lower adjusting shaft 4 are welded on the lower part of the protective door main frame 5, the upper adjusting shaft 2 and the lower adjusting shaft 4 are respectively provided with two self-locking pull rings 1, the self-locking pull ring 1 is connected with the upper adjusting shaft 2 and the lower adjusting shaft 4 through adjustable rings, each adjustable ring is a sleeve with a diameter of 80mm, the root of the self-locking pull ring 1 is welded with the sleeve, the sleeve is sleeved on the adjusting shaft, and the diameter of the, the self-locking pull ring 1 can be adjusted in four directions, namely up, down, left and right.

The height of the skirting board 6 meets the requirement of safety specification, is more than or equal to 180mm, and is painted with yellow-black (or red-white) warning color. The protective door net piece 3 is arranged between the upper adjusting shaft and the lower adjusting shaft, and the net piece structure is favorable for observing the condition in the well.

The main frame of the protective door is a square tube with the side length of 40 mm; the whole height of the protective door is 1.5 m; the self-locking pull ring is Q335-grade round steel with the diameter of 10 mm; the thickness of the skirting board is a thin steel plate smaller than 4 mm; the protective door net sheet is in a specification of 40 × 0.9 by using a common woven steel wire mesh.

The self-locking pull ring 1 utilizes the self weight to clamp components such as an elevator shaft structure or a constructional column.

All material connected modes of guard gate all adopt the welding, stable in structure, easily processing for portable guard gate turnover number of times is many, and intensity is big.

The installation method of the portable protective door comprises the following steps: at first with 40mm side length square pipe welding one-tenth door font frame, then with the root of auto-lock pull ring 1 with the sleeve pipe welding together, at last regulating spindle 2 afterwards, 2 sleeve pipes of suit respectively on lower regulating spindle 4, weld the upper portion at protective door main frame 5 with the both ends of last regulating spindle 2 afterwards, the both ends welding of lower regulating spindle 4 is in the lower part of protective door main frame 5, then with protective door net piece 3 welding between the upper and lower regulating spindle, weld baseboard 6 in the bottom of protective door main frame 5 at last.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.