Overhanging cross rod double-row floor scaffold

Abstract

The utility model relates to a cantilever cross rod double-row floor scaffold which comprises an inner side vertical rod and an outer side vertical rod which are sequentially arranged outside a first-layer facade obstacle of an existing building, a plurality of connecting cross rods are arranged between the outer side vertical rod and the inner side vertical rod, and the height of the cantilever cross rods and the height of the connecting cross rods are both lower than the height of the top of the first-layer facade obstacle. The height of the overhanging cross rods is larger than the height of the top of the first-layer outer vertical face obstacle, one ends of the overhanging cross rods are tightly attached to an existing building, the ends, close to the outer wall face of the existing building, of the overhanging cross rods are connected with inclined supporting rods, the other ends of the inclined supporting rods are connected to the outer side vertical rods, and a plurality of supporting cross rods are evenly erected on the connecting cross rods and the overhanging cross rods. Scaffold boards are laid on the supporting transverse rods, and the outer side vertical rods and the inner side vertical rods are connected with the reinforced concrete beam through a plurality of wall connecting assemblies. According to the utility model, the outer surface of the existing building can be transformed and constructed on the premise of not dismantling first-layer external facade barriers such as shop door heads, and the construction efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, especially to a cantilevered horizontal rod double-row floor-mounted scaffold. BACKGROUND

[0002] In recent years, with the rapid development of urbanization in China, old communities are facing problems such as imperfect public facilities and poor living environment. Renovation of old communities can effectively improve people's living environment and improve the life happiness of residents, which is of great significance. In the old community renovation project, the construction of external wall insulation and decoration is often involved. The first floor of the street side of the old community is mostly a shop, and the shop front will cause obstacles to the erection of ordinary floor-mounted scaffolds. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the deficiency of prior art and provides a cantilevered horizontal rod double-row floor-mounted scaffold, which can support the construction of external wall insulation and decoration without removing the shop front, and also provides effective reference for similar projects.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A cantilevered horizontal rod double-row floor-mounted scaffold comprises inner vertical rods and outer vertical rods arranged in sequence outside the first floor outer facade obstacle of an existing building, and the inner vertical rods and the outer vertical rods are installed at the bottom of the concrete bottom plate of the existing building;

[0006] A plurality of connecting horizontal rods and a plurality of cantilevered horizontal rods are arranged between the outer vertical rods and the inner vertical rods, the height of the connecting horizontal rods is lower than the height of the top of the first floor outer facade obstacle, the height of the cantilevered horizontal rods is higher than the height of the top of the first floor outer facade obstacle, one end of the cantilevered horizontal rods extends out of the inner vertical rods and is tightly attached to the outer wall surface of the existing building, the end of the cantilevered horizontal rods close to the outer wall surface of the existing building is connected with a diagonal brace, the other end of the diagonal brace is connected with the outer vertical rods, a plurality of supporting horizontal rods are evenly arranged on the connecting horizontal rods and the cantilevered horizontal rods, and a scaffold board is arranged on the supporting horizontal rods.

[0007] An adjustable base is arranged at the bottom of the outer vertical rods and the inner vertical rods, the adjustable base comprises a base plate fixed to the concrete bottom plate, an adjusting screw is arranged on the base plate, and the adjusting screw is screwed at the bottom of the outer vertical rods and the inner vertical rods.

[0008] A plurality of protective horizontal rods are arranged between the outer vertical rods from top to bottom.

[0009] The wall connecting assembly comprises a wall connecting horizontal rod, a steel plate and an expansion bolt, the outer end of the wall connecting horizontal rod is fixed with the outer vertical rods and the inner vertical rods, the inner end of the wall connecting horizontal rod is welded with the steel plate, and the steel plate is connected with the reinforced concrete beam through the expansion bolt.

[0010] The utility model discloses the beneficial effect is: the utility model discloses can realize the support of the reconstruction construction of the existing building outer surface under the premise of not removing the first floor outer facade barrier of shop front, make the operator can be closer to the outer wall surface of the construction, provide the convenience for the reconstruction construction of outer wall, effectively improve the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structural schematic diagram of the utility model;

[0012] Figure 2 It is Figure 1 It is the enlarged schematic diagram of A;

[0013] In the drawing: 1 - scaffold frame;2 - existing building;

[0014] 11 - outer vertical pole;12 - inner vertical pole;13 - connecting cross bar;14 - support cross bar;15 - wall connecting component;16 - protection cross bar;17 - overhanging cross bar;18 - inclined bracing;19 - adjustable base;

[0015] 151 - wall connecting cross bar;152 - steel plate;153 - expansion bolt;

[0016] 21 - reinforced concrete beam;22 - first floor outer facade barrier;23 - concrete bottom plate;

[0017] The utility model will be described in detail below with reference to the embodiment of the utility model and accompanying drawings. DETAILED DESCRIPTION

[0018] The principles and features of the utility model will be described below in conjunction with the accompanying drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model. The utility model will be described in more detail in the following paragraphs with reference to the accompanying drawings. According to the following description, the advantages and features of the utility model will be more clear. It should be noted that the accompanying drawings are very simplified and use non-precise proportions, only to facilitate, clear and assist the purpose of explaining the utility model examples.

[0019] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "disposed on" another component, it can be directly disposed on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the singular forms "a", "an", and "the" include plural references unless the context clearly dictates otherwise. The term "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] The application will be further described with reference to the drawings and embodiments:

[0022] A kind of cantilevered horizontal pole double-row floor support scaffold, as shown in Figure 1 、 Figure 2 Scaffold 1 includes outer vertical pole 11, inner vertical pole 12, connecting horizontal pole 13, support horizontal pole 14, wall connecting component 15, protective horizontal pole 16, cantilevered horizontal pole 17, inclined strut 18 and adjustable base 19;Existing building 2 includes reinforced concrete beam 21, first floor outer facade obstacle 22 and concrete bottom plate 23.

[0023] Scaffold 1 is floor type steel pipe scaffold, is set up in the outer side of the first floor outer facade obstacle 22 of existing building 2 wall, above concrete bottom plate 23.

[0024] Outer vertical pole 11, inner vertical pole 12 are arranged in the first floor outer facade obstacle 22 outside existing building 2, inner vertical pole 12 is vertically arranged in the position close to first floor outer facade obstacle 22, outer vertical pole 11 is arranged in the position far from first floor outer facade obstacle 22;Outer vertical pole 11, inner vertical pole 12 are all round steel pipes.

[0025] Outer vertical pole 11, inner vertical pole 12 bottom are all equipped with adjustable base 19, adjustable base 19 includes base plate fixed on concrete bottom plate 23, and the base plate is equipped with adjusting screw rod, and adjusting screw rod is screwed in the bottom of outer vertical pole 11, inner vertical pole 12.

[0026] A plurality of connecting horizontal poles 13 are arranged between outer vertical pole 11 and inner vertical pole 12. Connecting horizontal pole 13 is round steel pipe, and connecting horizontal pole 13 is horizontally arranged, is connected with outer vertical pole 11 and inner vertical pole 12 by fastener, and the length of connecting horizontal pole 13 is slightly greater than the spacing of outer vertical pole 11 and inner vertical pole 12, on the facade, the height where connecting horizontal pole 13 is located is lower than the height of the top of first floor outer facade obstacle 22.

[0027] A plurality of cantilevered horizontal rods 17 are arranged between the outer vertical rods 11 and the inner vertical rods 12. The cantilevered horizontal rods 17 are round steel pipes, horizontally arranged, connected with the outer vertical rods 11 and the inner vertical rods 12 through fasteners, and the length of the cantilevered horizontal rods 17 is obviously greater than the distance between the outer vertical rods 11 and the inner vertical rods 12. One end of the cantilevered horizontal rods 17 is close to the outer wall of the existing building 2, and the height of the cantilevered horizontal rods 17 is higher than the height of the top of the first floor outer facade barrier 22 in the facade.

[0028] In the height direction, the distance between the adjacent two cantilevered horizontal rods 17 and the distance between the adjacent cantilevered horizontal rods 17 and the connecting horizontal rods 13 are equal, so as to divide the scaffold 1 into a plurality of working layers.

[0029] A plurality of support horizontal rods 14 are uniformly arranged on the connecting horizontal rods 13 and the cantilevered horizontal rods 17.

[0030] The support horizontal rods 14 are round steel pipes, connected with the connecting horizontal rods 13 and the cantilevered horizontal rods 17 through fasteners, and the support horizontal rods 14 are perpendicular to the connecting horizontal rods 13 and the cantilevered horizontal rods 17 in the horizontal plane. The support horizontal rods 14 are provided with scaffold boards for personnel to stand and operate.

[0031] One end of the cantilevered horizontal rods 17 close to the outer wall of the existing building 2 is connected with an inclined bracing rod 18 through a fastener, and the other end of the inclined bracing rod 18 is connected with the outer vertical rod 11 through a fastener. The inclined bracing rod 18 is a steel round pipe, and the position where the inclined bracing rod 18 is connected with the outer vertical rod 11 is the connecting joint between the connecting horizontal rod 13 and the outer vertical rod 11 or the connecting joint between the cantilevered horizontal rod 17 and the outer vertical rod 11. In the facade, the inclined bracing rod 18 intersects with the inner vertical rod 12, and the two intersecting positions are connected through fasteners.

[0032] The outer vertical rods 11 and the inner vertical rods 12 are connected with the reinforced concrete beams 21 of the existing building 2 through a plurality of wall connecting assemblies 15. The wall connecting assembly 15 comprises a wall connecting horizontal rod 151, a steel plate 152 and an expansion bolt 153. The outer end of the wall connecting horizontal rod 151 is fixed with the outer vertical rod 11 and the inner vertical rod 12 through fasteners, the inner end of the wall connecting horizontal rod 151 is welded with the steel plate 152, and the steel plate 152 is connected with the reinforced concrete beam 21 through the expansion bolt 153.

[0033] The wall connecting assembly 15 can balance the horizontal force such as wind load received by the scaffold body, and plays a key role in improving the stability of the scaffold body.

[0034] A plurality of protective horizontal rods 16 are arranged between the outer vertical rods 11 from top to bottom. The protective horizontal rods 16 are connected with the outer vertical rods 11 through fasteners, and the protective horizontal rods 16 are horizontally arranged and perpendicular to the outer vertical rods 11. In each working layer, the protective horizontal rods 16 are arranged at equal intervals in the height direction, and the protective horizontal rods 16 can protect the operators in the working layer and reduce the risk of accidents.

[0035] The cantilever horizontal rod double-row floor type scaffold provided by the utility model can support the reconstruction construction of the outer surface of the existing building 2 without removing the first-floor outer facade obstacle 22 such as the storefront of the shop, so that the operator can be closer to the outer wall surface to be constructed, the reconstruction construction of the outer wall is facilitated, the construction efficiency is effectively improved, and experience and reference are provided for similar engineering projects.

[0036] The utility model is described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above method, and various improvements using the method concept and technical scheme of the utility model or direct application in other occasions without improvement are all within the protection scope of the utility model.

Claims

1. A cantilevered double-row ground-supported scaffold, characterized in that, Including an inner pole (12) and an outer pole (11) set sequentially outside the first-floor facade barrier (22) of the existing building (2), with the bottom of the inner pole (12) and the outer pole (11) installed on the concrete base plate (23) of the existing building (2); Several connecting crossbars (13) and several cantilever crossbars (17) are provided between the outer uprights (11) and the inner uprights (12). The height of the connecting crossbars (13) is lower than the height of the top of the first-floor exterior obstacle (22), and the height of the cantilever crossbars (17) is higher than the height of the top of the first-floor exterior obstacle (22). One end of the cantilever crossbar (17) extends out of the inner upright (12) and is attached to the exterior wall of the existing building (2). One end of the exterior wall near the existing building (2) is connected to a diagonal brace (18), and the other end of the diagonal brace (18) is connected to the outer upright (11). Several supporting horizontal bars (14) are evenly erected on the connecting horizontal bar (13) and the cantilevered horizontal bar (17). Scaffold boards are laid on the supporting horizontal bars (14). The outer upright (11) and the inner upright (12) are connected to the reinforced concrete beam (21) of the existing building (2) through several wall ties (15).

2. The cantilevered horizontal double-row ground-supported scaffolding according to claim 1, characterized in that, An adjustable base (19) is installed at the bottom of both the outer upright (11) and the inner upright (12). The adjustable base (19) includes a base plate fixed on the concrete base plate (23). An adjusting screw is provided on the base plate. The adjusting screw is threaded and tightened at the bottom of the outer upright (11) and the inner upright (12).

3. A cantilevered double-row ground-supported scaffolding according to claim 2, characterized in that, Several protective crossbars (16) are provided between the outer uprights (11) from top to bottom.

4. A cantilevered double-row ground-supported scaffolding according to claim 3, characterized in that, The wall tie assembly (15) includes a wall tie crossbar (151), a steel plate (152) and expansion bolts (153). The outer end of the wall tie crossbar (151) is fixed to the outer upright (11) and the inner upright (12). The inner end of the wall tie crossbar (151) is welded to the steel plate (152). The steel plate (152) is connected to the reinforced concrete beam (21) by expansion bolts (153).

5. A cantilevered double-row ground-supported scaffold according to claim 4, characterized in that, The diagonal brace (18) is fixedly connected to the inner upright (12).

6. A cantilevered double-row ground-supported scaffold according to claim 5, characterized in that, The diagonal brace (18) is connected to the outer vertical pole (11) at the connection node between the connecting horizontal bar (13) and the outer vertical pole (11) or at the connection node between the cantilever horizontal bar (17) and the outer vertical pole (11).

7. A cantilevered double-row ground-supported scaffold according to claim 6, characterized in that, The length of the connecting crossbar (13) is greater than the distance between the outer upright (11) and the inner upright (12).

8. A cantilevered double-row ground-supported scaffold according to claim 7, characterized in that, Along the height direction, the spacing between two adjacent cantilever crossbars (17) and the spacing between adjacent cantilever crossbars (17) and connecting crossbars (13) are all equal.

9. A cantilevered double-row ground-supported scaffolding according to claim 8, characterized in that, The supporting crossbars (14) are arranged at equal intervals.

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