Extension ladder for data center maintenance

Abstract

The utility model aims to provide the extension ladder for the maintenance of the data center, which can be adjusted in length unilaterally and is suitable for a working environment with uneven ground. The ladder comprises a first ladder body and a second ladder body, the upper portion of the first ladder body and the upper portion of the second ladder body are matched in a hinged mode through a hinge piece, the first ladder body and the second ladder body are each of a hollow structure, and two adjusting feet are connected to ladder feet of the first ladder body in a sliding mode. The lower end of the first ladder body is provided with a quick release assembly which is in pressing fit with the corresponding adjusting foot, each adjusting foot is hinged with a first foot pad which is in contact with the ground, and the ladder foot of the second ladder body is hinged with a second foot pad which is in contact with the ground. The single-side adjustable structure is adopted, the overall structure is simple, use is convenient, the length of the adjusting foot can be adjusted without pulling out when the telescopic ladder is used on the flat ground, the telescopic ladder can be suitable for construction scenes with different heights on the two sides, and construction safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of telescopic ladder, especially a telescopic ladder for data center maintenance. BACKGROUND

[0002] The A-frame ladder is called as 'A-frame ladder' because the front and back ladder bars and the ground form an isosceles triangle when it is used, and looks like an 'A'. The practical A-frame ladder includes fixed A-frame ladder and movable A-frame ladder. The fixed A-frame ladder is a temporary tool for people, and the movable A-frame ladder is connected together at the top of two ladders by a hinge, and can be combined when moving. Due to its flexibility, the movable A-frame ladder is widely used in electrician operation.

[0003] The existing commonly used ladder can only be used in a horizontal plane, but the construction site inevitably encounters uneven places such as stairs and steps. However, in the construction operation, relevant regulations prohibit the use of ladders with padding. Therefore, there are many inconveniences in practical use, and the A-frame ladder is erected with different heights on both sides when the equipment planning and placement positions in the data center business room are different. The straight ladder is erected at a certain angle, and the staff has a security risk of falling over during the maintenance process. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems of overcoming the deficiencies of the prior art, and provides a telescopic ladder for data center maintenance, which can adjust the length on one side and is suitable for uneven ground working environment.

[0005] The utility model adopts the technical scheme: the utility model discloses a first ladder body and second ladder body, the upper portion of the first ladder body and the upper portion of the second ladder body are hinged and matched through a hinge sheet, the first ladder body and the second ladder body are all hollow structures, two adjusting feet are slidably connected at the ladder foot of the first ladder body, the lower end of the first ladder body is provided with quick release components corresponding to the adjusting feet and in pressure matching, each adjusting foot is hinged with the first foot pad in contact with the ground, the ladder foot of the second ladder body is hinged with the second foot pad in contact with the ground.

[0006] Further, the ladder foot of the first ladder body is formed with a hem for supporting the quick release components, both ends of the hem are formed with notches, and the quick release components are in pressure matching with the adjusting feet through the notches.

[0007] Further, the notches are in U-shaped.

[0008] Further, the quick release assembly comprises two pressing plates and two groups of quick pressing pieces, a clamping plate matched with the first ladder body is formed in the middle of each pressing plate, two clamping plates form a pressing space for wrapping the lower end of the first ladder body, and an opening for the quick pressing pieces of one group to pass through is arranged on the two sides of each clamping plate, and each quick pressing piece is used for adjusting the width of the pressing space.

[0009] Further, the first foot pad is rotationally connected with the adjusting foot through a first quick release piece, and the second foot pad is rotationally connected with the ladder foot of the second ladder body through a second quick release piece.

[0010] Further, the bottom of the first foot pad and the second foot pad is provided with an antiskid layer.

[0011] Further, the outer surface of the adjusting foot is provided with knurling.

[0012] The utility model discloses the beneficial effect is: because the utility model discloses first ladder body and second ladder body adopt unilateral adjustable structure, when using in the scene of the height difference existing in the two sides of first ladder body and second ladder body, the knurled quick pressing piece increases the width of the pressing space between two pressing plates, makes the adjusting foot and the ladder foot of first ladder body unlock and enters the slidable adjustable state, draws out the adjusting foot, until the upper portion of second ladder body and first ladder body is in the horizontal state, the knurled quick pressing piece reduces the width of the pressing space between two pressing plates again, and the adjusting foot is pressed tightly so that it cannot displace, and the whole structure is simple and convenient to use, can be applicable to the construction scene of the different height of telescopic ladder two sides, improves construction safety, and improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the utility model;

[0014] Figure 2 It is Figure 1 It is the local enlarged view of A part in the figure;

[0015] Figure 3 It is the explosion drawing of the utility model;

[0016] Figure 4 It is the structure schematic diagram of the protective slide layer of the utility model.

[0017] In the figure: 1, first ladder body;11, hem;12, notch;2, second ladder body;3, adjusting foot;31, knurling;4, quick release assembly;41, pressing plate;411, clamping plate;42, quick pressing piece;5, first foot pad;6, second foot pad;7, first quick release piece;8, second quick release piece;9, antiskid layer. DETAILED DESCRIPTION

[0018] AsFigures 1 to 4 As shown in the embodiment, the utility model includes first ladder body 1 and second ladder body 2, the upper portion of first ladder body 1 and the upper portion of second ladder body 2 are hinged with loose-leaf sheet, first ladder body 1 and second ladder body 2 are hollow structure, two adjusting feet 3 are connected in the ladder foot of first ladder body 1, the lower end of first ladder body 1 is provided with quick release assembly 4 corresponding with the pressing fit of corresponding adjusting foot 3, each adjusting foot 3 is hinged with first foot pad 5 in contact with the ground, the ladder foot of second ladder body 2 is hinged with second foot pad 6 in contact with the ground, first ladder body 1 and second ladder body 2 are provided with several support tubes for supporting the staff to climb, the middle part of first ladder body 1 and second ladder body 2 is connected through fixed crossbar, when shifting ladder body, it can be folded along the loose-leaf sheet, then it is carried, first ladder body 1 and second ladder body 2 adopt reinforced aluminum alloy material or glass steel insulation material, adjusting foot 3 is tubular structure, the tube body is processed with knurling technology, increases the friction, improves the friction between quick release assembly 4 and adjusting foot 3, ensures that the pressing is stable and effective, first ladder body 1 and second ladder body 2 adopt single-side adjustable structure, when using on the flat ground, the length of adjusting foot 3 can not be pulled out, when using in the scene where there is height difference on both sides of first ladder body 1 and second ladder body 2, knob quick pressing piece 42 increases the width of extrusion space between two pressing plates 41, makes adjusting foot 3 and the ladder foot of first ladder body 1 unlock and enter the state of slidable adjustment, pulls out adjusting foot 3, until the upper portion of second ladder body 2 and first ladder body 1 are in the horizontal state, knob quick pressing piece 42 reduces the width of extrusion space between two pressing plates 41 again, presses adjusting foot 3 so that it cannot displace, the overall structure is simple and convenient to use, can be applicable to the construction scene under different heights on both sides of telescopic ladder, improves construction safety, improves work efficiency.

[0019] In the embodiment, the edge 11 is formed at the ladder foot of the first ladder body 1 for supporting the quick release assembly 4, the both ends of the edge 11 are formed with the notch 12, the quick release assembly 4 is pressed tightly with the adjusting foot 3 through the notch 12.

[0020] In the embodiment, the notch 12 is in U shape, when the quick pressing piece 42 is tightened, the extrusion space formed by the two pressing plates 41 is reduced, the ladder foot of the first ladder body 1 is concave inward along the U-shaped notch 12, so as to extrude and fix the position of the adjusting foot 3.

[0021] In the embodiment, the quick release assembly 4 comprises two pressing plates 41 and two groups of quick pressing pieces 42, the middle part of each pressing plate 41 is formed with a clamping plate 411 matched with the first ladder body 1, the two clamping plates 411 form a pressing space for wrapping the lower end of the first ladder body 1, the two sides of each clamping plate 411 are provided with an opening through which a group of quick pressing pieces 42 passes, and each quick pressing piece 42 is used for adjusting the width of the pressing space, and the quick pressing piece 42 is formed with a knob head for holding by a worker and a locking nut for screwing.

[0022] In the embodiment, the first foot pad 5 is rotationally connected with the adjusting foot 3 through the first quick release piece 7, and the second foot pad 6 is rotationally connected with the ladder foot of the second ladder body 2 through the second quick release piece 8.

[0023] In the embodiment, the bottom of the first foot pad 5 and the second foot pad 6 is provided with an antiskid layer 9, and the antiskid layer 9 is made of rubber.

[0024] In the embodiment, the outer surface of the adjusting foot 3 is provided with a knurled pattern 31.

[0025] The working principle of the utility model:

[0026] When used in the scene that there is a height difference between the two sides of the first ladder body 1 and the second ladder body 2, the knob quick pressing piece 42 increases the width of the pressing space between the two pressing plates 41, so that the adjusting foot 3 is unlocked from the ladder foot of the first ladder body 1 and enters the slidable adjusting state, the adjusting foot 3 is pulled out until the upper part of the second ladder body 2 and the first ladder body 1 are in a horizontal state, and the knob quick pressing piece 42 is reduced again to reduce the width of the pressing space between the two pressing plates 41, so that the adjusting foot 3 cannot be displaced.

[0027] Although the embodiments of the utility model are described in actual schemes, but do not constitute the limitation to the meaning of the utility model, for the person skilled in the art, according to the modification of the embodiments of the specification and the combination with other schemes, it is obvious.

Claims

1. A telescopic ladder for data center maintenance comprising a first ladder body (1) and a second ladder body (2), the upper part of the first ladder body (1) and the upper part of the second ladder body (2) are hingedly connected by a living hinge, characterized in that: The first ladder body (1) and the second ladder body (2) are hollow structures, two adjusting feet (3) are slidably connected to the ladder feet of the first ladder body (1), the lower end of the first ladder body (1) is provided with a quick release assembly (4) corresponding to the pressing fit of the adjusting feet (3), each adjusting foot (3) is hinged with a first foot pad (5) in contact with the ground, and the ladder feet of the second ladder body (2) are hinged with second foot pads (6) in contact with the ground.

2. The telescoping ladder for data center maintenance of claim 1, wherein: The first ladder body (1) is formed with a hem (11) at the ladder feet for supporting the quick release assembly (4), both ends of the hem (11) are formed with a notch (12), and the quick release assembly (4) is in pressing fit with the adjusting foot (3) through the notch (12).

3. The telescoping ladder for data center maintenance of claim 2, wherein: The notch (12) is in U shape.

4. The telescoping ladder for data center maintenance of claim 1, wherein: The quick release assembly (4) comprises two pressing plates (41) and two groups of quick pressing pieces (42), the middle part of each pressing plate (41) is formed with a clamping plate (411) matched with the first ladder body (1), two clamping plates (411) are matched to form an extrusion space for wrapping the lower end of the first ladder body (1), and the two sides of each clamping plate (411) are provided with an opening through which a group of quick pressing pieces (42) passes, and each quick pressing piece (42) is used for adjusting the width of the extrusion space.

5. The telescoping ladder for data center maintenance of claim 1, wherein: The first foot pad (5) is rotatably connected with the adjusting foot (3) through a first quick release piece (7), and the second foot pad (6) is rotatably connected with the ladder feet of the second ladder body (2) through a second quick release piece (8).

6. The telescoping ladder for data center maintenance of claim 5, wherein: The bottom of the first foot pad (5) and the second foot pad (6) is provided with an anti-skid layer (9).

7. The telescoping ladder for data center maintenance of claim 1, wherein: The outer surface of the adjusting foot (3) is provided with knurling (31).

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