Adjustable double-layer elevator scaffold-free operation platform

Abstract

The utility model discloses an adjustable double-layer type elevator scaffold-free operation platform which comprises an upper platform (1) and a lower platform (2), the upper platform (1) comprises upper cross beam assemblies (11) on the two sides, the lower platform (2) comprises lower cross beam assemblies (21) on the two sides, and a stand column assembly (3) located at a shaft entrance and exit is arranged between the front ends of the upper cross beam assembly (11) and the lower cross beam assembly (21) which correspond to each other up and down. The upper cross beam assembly (11), the lower cross beam assembly (21) and the stand column assembly (3) are all of a sleeve type structure. The utility model has the characteristics of being convenient to build and wide in application range.

Description

Technical Field

[0001] The utility model relates to a working platform in an elevator shaft, in particular to an adjustable double-layer scaffold-free working platform for elevators. Background Art

[0002] For traditional construction in an elevator shaft, such as laying elevator rails, cables, installing elevator doors, and performing post-maintenance operations, etc., high-altitude operations rely on scaffolding. The main structure of the scaffolding includes a basic framework composed of vertical poles and horizontal bars, a working platform made of metal plates or high-strength wooden boards, safety rails arranged on the outer side of the working platform, and connecting pieces for connecting each component. However, the scaffolding has many structural components, and the erection of each component is rather troublesome. Especially in a narrow elevator shaft, the erection is even more inconvenient. The time for erecting and dismantling the scaffolding is about 5 days, with a long working time, resulting in a reduction in the construction efficiency of the elevator. Moreover, the scaffolding is designed separately in the elevator shaft. The space in the elevator shaft is narrow, and once installed, the size is fixed and difficult to adjust, with a narrow scope of application. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an adjustable double-layer scaffold-free working platform for elevators. The utility model has the characteristics of convenient erection and wide application scope.

[0004] The technical solution of the utility model: An adjustable double-layer scaffold-free working platform for elevators includes an upper platform and a lower platform. The upper platform includes upper crossbeam assemblies on both sides, and the lower platform includes lower crossbeam assemblies on both sides. Between the front ends of the upper crossbeam assemblies and the lower crossbeam assemblies corresponding up and down, there is a column assembly located at the shaft entrance. The upper crossbeam assemblies, the lower crossbeam assemblies, and the column assembly are all of sleeve type structures.

[0005] In the aforesaid adjustable double-layer scaffold-free working platform for elevators, an adjustment plate is provided at the top of the column assembly. An adjustment bolt is horizontally penetrated through the adjustment plate, and a straightening plate is provided at the inner end of the adjustment bolt.

[0006] In the aforesaid adjustable double-layer scaffold-free working platform for elevators, an inclined support column is provided between the column assembly and the upper crossbeam assembly; an inclined stay plate is provided between the column assembly and the lower crossbeam assembly, and the inclined stay plate is composed of several sections of stay bars connected in a segmented manner.

[0007] In the aforesaid adjustable double-layer scaffold-free working platform for elevators, a limiting plate is provided between two column assemblies.

[0008] In the aforesaid adjustable double-layer scaffold-free working platform for elevators, several safety rails are provided around the upper platform and the lower platform, and anti-fall chains are provided between the safety rails.

[0009] In the aforementioned adjustable double - layer elevator scaffolding - free working platform, anti - slip pedals are provided on both the upper cross - beam assembly and the lower cross - beam assembly.

[0010] In the aforementioned adjustable double - layer elevator scaffolding - free working platform, a ladder is hung on the upper cross - beam assembly.

[0011] In the aforementioned adjustable double - layer elevator scaffolding - free working platform, steel wires for connecting with the shaft wall are provided on both the upper platform and the lower platform.

[0012] In the aforementioned adjustable double - layer elevator scaffolding - free working platform, support plates for connecting with the shaft wall are provided on both the upper platform and the lower platform.

[0013] In the aforementioned adjustable double - layer elevator scaffolding - free working platform, the upper cross - beam assembly, the lower cross - beam assembly and the column assembly all include fixed pipes. An inner movable pipe is slidably connected up and down in the fixed pipe. A plurality of adjustment holes are provided on both the fixed pipe and the movable pipe. The fixed pipe and the movable pipe are connected by fixing bolts in the adjustment holes.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The present utility model forms a double - layer platform with an upper platform and a lower platform through the lower cross - beam assembly and the upper cross - beam assembly, enabling a wider working range for the staff; two groups of column assemblies are provided, which are respectively erected on the floor beams at the entrances and exits of the elevator shaft, with stable installation and convenient leveling; moreover, the lower cross - beam assembly, the upper cross - beam assembly and the column assembly are of a sleeve - type structure, and the length can be adjusted, so as to adapt to different sizes of entrances and elevator shafts, and the scope of application is wider. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic plan view of the present utility model.

[0017] Figure 2 is a schematic three - dimensional view of the present utility model.

[0018] Figure 3 is a schematic structural view of the column assembly.

[0019] The reference signs in the drawings are: 1, upper platform; 11, upper cross - beam assembly; 12, inclined support column; 2, lower platform; 21, lower cross - beam assembly; 22, stay plate; 3, column assembly; 31, adjustment plate; 32, adjustment bolt; 33, straightening plate; 34, limit plate; 35, fixed pipe; 36, movable pipe; 37, adjustment hole; 38, fixing bolt; 41, railing; 42, anti - fall chain; 43, anti - slip pedal; 44, ladder; 45, steel wire; 46, support plate; 5, wall. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments, but it shall not be used as a basis for limiting the present utility model.

[0021] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0022] Embodiment:

[0023] As Figures 1 - 3 shown, an adjustable double-layer elevator scaffolding-free working platform includes an upper platform 1 and a lower platform 2. The upper platform 1 includes upper beam assemblies 11 on both sides, and the lower platform 2 includes lower beam assemblies 21 on both sides. A column assembly 3 is provided between the front ends of the upper beam assemblies 11 and the lower beam assemblies 21 corresponding up and down and located at the entrance and exit of the hoistway. The upper beam assemblies 11, the lower beam assemblies 21, and the column assembly 3 are all sleeve structures, so as to facilitate the adjustment of the lengths of the upper beam assemblies 11, the lower beam assemblies 21, and the column assembly 3.

[0024] The present utility model forms a double-layer platform with an upper platform 1 and a lower platform 2 through the lower beam assembly 21 and the upper beam assembly 11, so that the working range of the staff is wider; two groups of column assemblies 3 are provided, which are respectively erected on the floor beams at the entrance and exit of the elevator hoistway, with stable installation and convenient leveling; and the lower beam assembly 21, the upper beam assembly 11, and the column assembly 3 are sleeve structures and can adjust the length, so as to adapt to different sizes of entrances and exits and elevator hoistways, and the applicable range is wider.

[0025] A adjusting plate 31 is provided at the top of the column assembly 3, and an adjusting bolt 32 is horizontally penetrated through the adjusting plate 31. A straightening plate 33 is provided at the inner end of the adjusting bolt 32. The straightening plate 33 ensures that the column assembly 3 is basically perpendicular to the floor surface, and ensures the installation convenience, perpendicularity and safety of the working platform.

[0026] An inclined support column 12 is provided between the column assembly 3 and the upper beam assembly 11; an inclined pull plate 22 is provided between the column assembly 3 and the lower beam assembly 21, and the inclined pull plate 22 is formed by segmented connection of a plurality of sections of tie rods. The provided inclined support column 12 and inclined pull plate 22 enable the column assembly 3 to better support the upper platform 1 and the lower platform 2, and ensure the overall structural stability and safety of the double-layer platform.

[0027] A limiting plate 34 is provided between two column components 3. The provided limiting plate 34 is used to limit the position of the column component 3 and prevent the column component 3 from moving in the left - right direction.

[0028] A number of railings 41 are provided around the upper platform 1 and the lower platform 2, and anti - fall chains 42 are provided between the railings 41. The provided railings 41 and anti - fall chains 42 are connected to form a whole, protecting the staff working on the upper platform 1 and the lower platform 2 and improving the operation safety. Multiple chain slots can be provided along the height direction on the railings 41 for connecting the anti - fall chains 42, which is convenient for installation and can adjust the installation height of the anti - fall chains 42, providing more targeted protection for staff of different heights and being flexible in use.

[0029] Anti - slip pedals 43 are provided on both the upper cross - beam component 11 and the lower cross - beam component 21. This increases the friction of the working platform and improves the operation safety.

[0030] A ladder 44 is hung on the upper cross - beam component 11. The provision of the ladder 44 facilitates the staff to climb up and down, and the ladder 44 is convenient for installation and disassembly.

[0031] Steel wire ropes 45 for connecting with the hoistway wall are provided on both the upper platform 1 and the lower platform 2, playing a secondary protection role.

[0032] Support plates 46 for connecting with the hoistway wall are provided on both the upper platform 1 and the lower platform 2 to prevent the entire platform from swaying left and right.

[0033] The upper cross - beam component 11, the lower cross - beam component 21 and the column component 3 all include a fixed pipe 35. An activity pipe 36 is slidably connected up and down inside the fixed pipe 35. A plurality of adjustment holes 37 are provided on both the fixed pipe 35 and the activity pipe 36, and the fixed pipe 35 and the activity pipe 36 are connected by fixing bolts 38 in the adjustment holes 37. The lengths of the upper cross - beam component 11, the lower cross - beam component 21 and the column component 3 are convenient to adjust and the connection is stable.

[0034] The installation steps of the present utility model are as follows:

[0035] 1. Stand the two column components 3 on the floor beams at the entrance and exit of the elevator hoistway respectively, close to the left and right sides of the entrance and exit. First, adjust the height of the column component 3 according to the height at the entrance and exit of the hoistway; then, according to the thickness of the wall 5 at the entrance and exit of the hoistway, make a preliminary adjustment with the adjustment bolts 32 on the column component 3 to make the adjustment straight plate 33 close to the wall 5, so that the column component 3 is basically perpendicular to the floor surface.

[0036] 2. Install the limiting plate 34 between the two column components 3 to limit the position of the column component 3 and prevent the column component 3 from moving in the left - right direction.

[0037] 3. Fix one end of the stay plate 22 to the upper middle part of the column assembly 3 through a bolt group. Since the stay plate 22 is connected in a segmented manner, the other end of the stay plate 22 is fixed to the bracket of the lower crossbeam assembly 21 with a bolt group. It can be installed at the entrance and exit of the hoistway. After completion, send the lower crossbeam assembly 21 into the hoistway and fix the front end of the lower crossbeam assembly 21 to the bottom of the column assembly 3, so that the level of the lower crossbeam assembly 21 is 1 - 2 degrees, showing a slightly upwardly tilted state;

[0038] 4. Lay anti-slip pedals 43 on the upper parts of the left and right lower crossbeam assemblies 21 to form the lower platform 2;

[0039] 5. The lower crossbeam assembly 21 is designed with insertion interfaces to install multiple railings 41, and anti-fall chains 42 are hung on the railings 41 to connect the multiple railings 41 into a whole;

[0040] 6. Embed expansion bolts on the rear side wall of the hoistway. One end of the steel wire rope 45 is fixed to the expansion bolt, and the other end of the steel wire rope 45 is fixed to the lower crossbeam assembly 21 to play a secondary protection role;

[0041] 7. Fix one end of the inclined support column 12 to the column assembly 3 through a bolt group;

[0042] 8. Pre-tighten the bolts at one end of the upper crossbeam assembly 11, send it into the hoistway, hang the bolt end of the upper crossbeam assembly 11 in the gourd-shaped hole designed on the column assembly 3, and place it on the inclined support column 12, then tighten the bolts connecting to the column assembly 3 and the inclined support column 12;

[0043] 9. Directly hang the ladder 44 designed with a hanging arc opening on the upper crossbeam assembly 11;

[0044] 10. Lay anti-slip pedals 43 on the upper parts of the left and right upper crossbeam assemblies 11 to form the upper platform 1;

[0045] 11. The upper crossbeam assembly 11 is designed with insertion interfaces to install multiple railings 41, and anti-fall chains 42 are hung on the railings 41 to connect the multiple railings 41 into a whole;

[0046] 12. According to the width of the on-site hoistway, install support plates 46 on the upper platform 1 and the lower platform 2, and connect the support plates 46 to the hoistway wall, so as to prevent the entire platform from swaying left and right.

[0047] The parts not detailed in this utility model are prior art, so they will not be specifically described here.

Claims

1. An adjustable double-deck elevator scaffold-free working platform, characterized in that: The utility model comprises an upper platform (1) and a lower platform (2), wherein the upper platform (1) comprises upper crossbeam assemblies (11) on both sides, and the lower platform (2) comprises lower crossbeam assemblies (21) on both sides, and a column assembly (3) located at the entrance and exit of the hoistway is arranged between the front ends of the upper crossbeam assemblies (11) and the lower crossbeam assemblies (21) corresponding to each other, and the upper crossbeam assembly (11), the lower crossbeam assembly (21) and the column assembly (3) are all sleeve-type structures.

2. The adjustable double-deck elevator scaffolding-free working platform according to claim 1 is characterized in that: The top end of the column assembly (3) is provided with an adjustment plate (31), an adjustment bolt (32) is horizontally passed through the adjustment plate (31), and a straightening plate (33) is provided at the inner end of the adjustment bolt (32).

3. The adjustable double-deck elevator scaffolding-free working platform according to claim 1 is characterized in that: An inclined support column (12) is provided between the column assembly (3) and the upper crossbeam assembly (11); an inclined plate (22) is provided between the column assembly (3) and the lower crossbeam assembly (21), and the inclined plate (22) is composed of a plurality of sections of tie rods connected in sections.

4. The adjustable double-deck elevator scaffold-free working platform according to claim 1, characterized in that: A limiting plate (34) is provided between the two column assemblies (3).

5. The adjustable double-deck elevator scaffold-free working platform according to claim 1, characterized in that: A plurality of railings (41) are arranged around the upper platform (1) and the lower platform (2), and anti-fall chains (42) are arranged between the railings (41).

6. The adjustable double-deck elevator scaffold-free working platform according to claim 1, characterized in that: Anti-skid pedals (43) are provided on both the upper crossbeam assembly (11) and the lower crossbeam assembly (21).

7. The adjustable double-deck elevator scaffold-free working platform according to claim 1, characterized in that: A ladder (44) is hung on the upper crossbeam assembly (11).

8. The adjustable double-deck elevator scaffold-free working platform according to claim 1, characterized in that: The upper platform (1) and the lower platform (2) are both provided with steel wire ropes (45) for connecting to the well wall.

9. The adjustable double-deck elevator scaffold-free working platform according to claim 1, characterized in that: The upper platform (1) and the lower platform (2) are both provided with support plates (46) for connecting to the well wall.

10. The adjustable double-deck elevator scaffold-free working platform according to claim 1, characterized in that: The upper crossbeam assembly (11), the lower crossbeam assembly (21) and the column assembly (3) all include a fixed tube (35), a movable tube (36) is slidably connected up and down in the fixed tube (35), a plurality of adjustment holes (37) are provided on the fixed tube (35) and the movable tube (36), and the fixed tube (35) and the movable tube (36) are connected via fixing bolts (38) in the adjustment holes (37).

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