Upper-hanging and lower-abutting type working platform

Abstract

The utility model belongs to the technical field of engineering construction, and particularly provides an upper-hanging and lower-abutting type working platform which comprises a plurality of hooks, a left frame, a bottom frame, a guardrail frame, a plurality of pull rods and an anti-overturning piece, the bottom frame is horizontally arranged, the upper face of the left end of the bottom frame is vertically connected with the left frame, and the upper face of the right end of the bottom frame is vertically connected with the guardrail frame. The upper end of the left frame is connected to the right end of the bottom frame through a plurality of pull rods which are distributed at intervals from front to back, the upper end of the left frame is connected with a plurality of hooks which are distributed at intervals from front to back, and the left side of the lower end of the left frame is connected with an anti-overturning piece. The working platform solves the problems that an existing working platform is tedious in mounting and dismounting process, low in turnover utilization rate and high in manufacturing and using cost, and is simple in mounting and dismounting process, high in turnover utilization rate, simple in structure and low in manufacturing and using cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering construction, and specifically relates to an upper hanging and lower supporting type working platform. Background Art

[0002] The small-mileage side arch feet of the Beiliuhe Extra-Large Bridge on Guangxi Pingcen Expressway adopt integral arch seats, which are 18.849m high, 25m wide and 41.5m long. The large-mileage side arch feet adopt separated arch seats, with a single arch seat 21.849m high, 30m long and 15m wide. The arch seats adopt C40 reinforced concrete structure.

[0003] The installation and dismantling process of traditional work platforms is complicated, the turnover rate is low, and the manufacturing and use costs are high.

[0004] A Chinese patent document with announcement number CN220080720 U discloses a high-altitude cantilevered steel structure construction work platform, which includes a cage body, at least one pair of hook members, at least one pair of telescopic components and a driving component, wherein the at least one pair of hook members are relatively arranged on the side of the cage body away from the ground; the cage body is used to hang on the high-altitude cantilevered main steel beam; the at least one pair of telescopic components are respectively arranged between the cage body and the corresponding hook members, the telescopic component includes a fixed end and a movable end, the fixed end is fixedly connected to the cage body, the movable end is fixedly connected to the hook member, and the movable end moves along the axial extension direction of the fixed end, and the movable end and the fixed end are connected in a movable manner with a position locking function; the driving component is arranged between the at least one pair of telescopic components, and is used to drive the corresponding two movable ends to move synchronously, adjust the position between the cage body and the high-altitude cantilevered main steel beam, and then adjust the required height of the work platform according to the height of the operation; however, the device structure of the document is complex and the use cost is high. Utility Model Content

[0005] The utility model provides an upper hanging and lower supporting type working platform, which aims to overcome the problems of complicated installation and dismantling process, low turnover utilization rate and high manufacturing and use cost of the working platform in the prior art.

[0006] To this end, the utility model provides an upper-hanging and lower-supporting work platform, including multiple hooks, a left frame, a bottom frame, a guardrail frame, multiple pull rods and anti-overturning parts. The bottom frame is horizontally arranged, the left end of the bottom frame is vertically connected to the left frame, the right end of the bottom frame is vertically connected to the guardrail frame, the upper end of the left frame is connected to the right end of the bottom frame through multiple pull rods, the multiple pull rods are spaced apart from front to rear, the upper end of the left frame is connected to multiple hooks, the multiple hooks are spaced apart from front to rear, and the lower end of the left frame is connected to the anti-overturning part on the left side.

[0007] Preferably, the left frame includes a plurality of main columns and a main cross bar, the plurality of main columns are spaced apart from front to back, and the upper ends and lower ends of two adjacent main columns are connected by the main cross bar.

[0008] Preferably, the guardrail frame includes a plurality of guardrail posts and guardrail cross bars, wherein the plurality of guardrail posts are spaced apart from front to back, and the upper ends, middle parts and lower ends of two adjacent guardrail posts are connected by guardrail cross bars.

[0009] Preferably, the bottom frame includes a plurality of distribution beams, and the lower ends of the main columns and the guardrail columns are connected by the distribution beams.

[0010] Preferably, a steel gangway is laid on the bottom frame.

[0011] Preferably, the main columns are made of channel steel.

[0012] Preferably, the pull rod, distribution beam, main cross bar, and guardrail cross bar at the lower end of the guardrail column are all made of angle steel.

[0013] Preferably, the guardrail crossbars at the upper ends and the middle portions of the guardrail posts are both made of round steel.

[0014] Preferably, the hook, the anti-tipping member and the left frame are connected by welding.

[0015] Preferably, the hook is a U-shaped hook, and the opening of the U-shaped hook is downward.

[0016] Beneficial effects of the utility model:

[0017] 1. The upper-hanging and lower-supporting working platform provided by the utility model comprises a plurality of hooks, a left frame, a bottom frame, a guardrail frame, a plurality of pull rods and an anti-overturning member; the installation of the working platform can be achieved by hanging the plurality of hooks on the target position (the main rib of the template), and the removal of the working platform can be achieved by removing the plurality of hooks from the target position (the main rib of the template); the balance of the working platform during use can be ensured by the anti-overturning member; the installation and removal process is simple, the turnover utilization rate is high, the structure is simple, and the manufacturing and use costs are low.

[0018] 2. The upper hanging and lower supporting work platform provided by the utility model has a main column made of channel steel, the cross-sectional style is economical and applicable, the mechanical properties are good, it has the advantages of large cross-sectional modulus, light weight, metal saving, etc., and it is convenient to weld.

[0019] 3. The top-hanging and bottom-supporting work platform provided by the utility model has angle steels for the pull rods, distribution beams, main cross bars, and guardrail cross bars at the lower ends of guardrail columns. They are convenient for welding with corresponding parts, have good plane bearing pressure, are convenient for workers to stand during construction, have a light structure, and are economical and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a structural diagram of an upper hanging and lower supporting type working platform.

[0022] Explanation of the accompanying reference numerals: 1. Hook; 2. Pull rod; 3. Anti-overturning member; 4. Main column; 5. Main cross bar; 6. Guardrail column; 7. Guardrail cross bar; 8. Distribution beam; 9. Steel springboard; 10. Formwork; 11. Formwork main rib. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0024] Embodiment 1:

[0025] like Figure 1 As shown, a top-hanging and bottom-supporting work platform includes multiple hooks 1, a left frame, a bottom frame, a guardrail frame, multiple tie rods 2 and an anti-rollover component 3. The bottom frame is horizontally arranged, the left end of the bottom frame is vertically connected to the left frame, the right end of the bottom frame is vertically connected to the guardrail frame, the upper end of the left frame is connected to the right end of the bottom frame through multiple tie rods 2, the multiple tie rods 2 are spaced apart from front to back, the upper end of the left frame is connected to multiple hooks 1, the multiple hooks 1 are spaced apart from front to back, and the lower end of the left frame is connected to the anti-rollover component 3 on the left side.

[0026] Specifically, after assembling multiple hooks 1, left frame, bottom frame, guardrail frame, multiple tie rods 2 and anti-tilt parts 3, the work platform can be installed by hanging multiple hooks 1 on the target (for example: the main rib 11 of the template 10) during use, and the work platform can be dismantled by removing multiple hooks 1 from the target (main rib 11 of the template). The anti-tilt parts 3 can ensure the balance of the work platform during use; the upper hanging and lower supporting type work platform can realize assembly construction, which greatly improves the installation and disassembly efficiency. Based on the reduced investment of traditional platforms, the required accessories and materials are less, the structure is light, the installation and disassembly operation is convenient, and the materials can be used in a turnover manner, which greatly saves costs and construction period. According to the characteristics of the working surface and process, it can be installed and used in sets, which can be used for the installation and disassembly of template tie rods, the installation of upper steel bars, the pouring of concrete, the modification of concrete surfaces, the installation of ancillary facilities, etc. Multiple upper hanging and lower supporting type work platforms are independent of each other, with high safety and turnover rate, convenient and quick use, large available space, and greatly save construction efficiency.

[0027] Embodiment 2:

[0028] On the basis of Example 1, the left frame includes a plurality of main columns 4 and a main crossbar 5, wherein the plurality of main columns 4 are spaced from front to back, and the upper ends and lower ends of two adjacent main columns 4 are connected by the main crossbar 5. The left frame of this structure has a simple structure and good stability.

[0029] Preferably, the guardrail frame includes a plurality of guardrail posts 6 and guardrail cross bars 7, wherein the plurality of guardrail posts 6 are spaced apart from front to back, and the upper ends, middle parts and lower ends of two adjacent guardrail posts 6 are connected by guardrail cross bars 7.

[0030] Specifically, the middle parts of two adjacent guardrail posts 6 are connected by a guardrail cross bar 7, which improves the safety of personnel during construction and prevents them from slipping from the upper and lower guardrail cross bars 7; the lower ends of two adjacent guardrail posts 6 are connected by a guardrail cross bar 7, which is convenient for cooperating with the main cross bar 5 at the lower end of the main column 4 or the lower end of the main column 4, and convenient for connecting the distribution beam 8. The structure is simple, ensuring that the use requirements are met with the least material.

[0031] Preferably, the bottom frame includes a plurality of distribution beams 8 , and the lower ends of the main columns 4 and the guardrail columns 6 are connected by the distribution beams 8 .

[0032] Specifically, the arrangement of the distribution beam 8 is convenient for personnel to stand and perform construction.

[0033] Preferably, a steel gangway 9 is laid on the bottom frame.

[0034] Specifically, by laying the steel springboard 9, it is convenient for personnel to stand and construct, and the safety at work is improved. At the same time, the steel springboard 9 is economical and environmentally friendly. The steel springboard 9 is laid on the distribution beam 8 and can be installed by binding, which is convenient for installation and disassembly. It is light in weight, strong in strength and stable in stability.

[0035] Preferably, the main column 4 is made of channel steel.

[0036] Specifically, the main column 4 is made of channel steel, which has an economical and applicable cross-sectional style, good mechanical properties, and has the advantages of large cross-sectional modulus, light weight, metal saving, etc., and is easy to weld.

[0037] Preferably, the pull rod 2, the distribution beam 8, the main cross bar 5, and the guardrail cross bar 7 at the lower end of the guardrail column 6 are all made of angle steel.

[0038] Specifically, the angle steel is convenient for welding with the corresponding parts connected with each component, the angle steel plane has good bearing pressure, it is convenient for workers to stand for construction, the structure is light, economical and practical. The angle steel is preferably ∠50 steel.

[0039] Preferably, the guardrail crossbar 7 at the upper end and the middle portion of the guardrail post 6 are both made of round steel.

[0040] Specifically, during construction, the upper end of the guardrail column 6 and the middle guardrail crossbar 7 are located above the legs of the personnel. The use of round steel is convenient for personnel to lean against or grasp. The arc surface structure of the round steel avoids damage to the human body by edges and corners, thereby improving the safety of personnel operation.

[0041] Preferably, the hook 1, the anti-tipping member 3 and the left frame are connected by welding.

[0042] Specifically, the welding connection has no redundant connecting parts, and the structure after connection has good stability, light structure, economy and practicality.

[0043] Preferably, the hook 1 is a U-shaped hook, and the opening of the U-shaped hook is downward.

[0044] Specifically, the U-shaped hook opening downward is convenient for hanging the main rib 11 of the template.

[0045] Preferably, the height of the U-shaped hook is greater than the height of the template main rib 11 to ensure stability after hanging. The U-shaped hook is preferably a φ20 round steel hook.

[0046] Preferably, the anti-overturning member 3 is a steel bar or a steel plate.

[0047] Specifically, after hanging, if the main column 4 of the working platform can resist the lower back rib of the formwork 10, there is no need to install the anti-overturning part 3; if the main column 4 of the working platform cannot resist the lower back rib of the formwork 10, it is necessary to use the left steel material (steel bars or steel plates) in the backfield to measure the actual lengthened size to weld the anti-overturning facility on the left side of the lower end of the main column 4 at the bottom of the working platform to ensure the level and stability of the working platform and the safety of personnel operation.

[0048] Preferably, the main column 4 and the hook 1, the anti-overturning member 3, the pull rod 2, the main cross bar 5, and the distribution beam 8 are all welded, the pull rod 2 and the distribution beam 8 are welded, and the guardrail column 6 and the guardrail cross bar 7 and the distribution beam 8 are all welded. The welding connection has no redundant connecting parts, and the structure after connection is stable, light, economical and practical.

[0049] In the description of the present invention, it should be understood that if there are terms such as "up", "down", "left", etc. indicating directions or positional relationships, they are based on the directions or positional relationships shown in the drawings, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on the present invention.

[0050] The above examples are merely illustrative of the present invention and do not constitute a limitation on the protection scope of the present invention. All designs that are identical or similar to the present invention fall within the protection scope of the present invention.

Claims

1. A top-hanging and bottom-supporting working platform, Features: The invention comprises a plurality of hooks (1), a left frame, a bottom frame, a guardrail frame, a plurality of tie rods (2) and an anti-tipping member (3). The bottom frame is arranged horizontally, the left end of the bottom frame is vertically connected to the left frame, the right end of the bottom frame is vertically connected to the guardrail frame, the upper end of the left frame is connected to the right end of the bottom frame via a plurality of tie rods (2), the plurality of tie rods (2) are spaced from front to back, the upper end of the left frame is connected to a plurality of hooks (1), the plurality of hooks (1) are spaced from front to back, and the lower end of the left frame is connected to the anti-tipping member (3) on the left side.

2. The upper hanging and lower supporting working platform as claimed in claim 1, Features: The left frame comprises a plurality of main columns (4) and a main crossbar (5); the plurality of main columns (4) are spaced apart from front to back, and the upper ends and lower ends of two adjacent main columns (4) are connected via the main crossbar (5).

3. The upper hanging and lower supporting working platform as claimed in claim 1, Features: The guardrail frame comprises a plurality of guardrail posts (6) and guardrail cross bars (7), wherein the plurality of guardrail posts (6) are spaced apart from front to back, and the upper ends, middle parts and lower ends of two adjacent guardrail posts (6) are connected via the guardrail cross bars (7).

4. The upper hanging and lower supporting working platform as claimed in claim 1, Features: The bottom frame comprises a plurality of distribution beams (8), and the lower ends of the main columns (4) and the lower ends of the guardrail columns (6) are connected via the distribution beams (8).

5. The upper hanging and lower supporting working platform as claimed in claim 1, Features: A steel springboard (9) is laid on the bottom frame.

6. The upper hanging and lower supporting working platform as claimed in claim 2, Features: The main column (4) is made of channel steel.

7. The upper hanging and lower supporting working platform as claimed in claim 1, Features: The pull rod (2), the distribution beam (8), the main cross bar (5), and the guardrail cross bar (7) at the lower end of the guardrail column (6) are all made of angle steel.

8. The upper hanging and lower supporting working platform as claimed in claim 3, Features: The upper end of the guardrail post (6) and the guardrail crossbar (7) in the middle are both made of round steel.

9. The upper hanging and lower supporting working platform as claimed in claim 1, Features: The hook (1), the anti-overturning member (3) and the left frame are connected by welding.

10. The upper hanging and lower supporting working platform as claimed in claim 1, Features: The hook (1) is a U-shaped hook, and the opening of the U-shaped hook faces downward.

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