Construction ladder convenient to move

Abstract

The utility model discloses a construction ladder convenient to move. The folding ladder comprises two ladder foot frames and a plurality of folding frames, the two ends of each folding frame are connected through joint lock catches, the multiple folding frames are sequentially connected between the two ladder foot frames through joint lock catches, second rolling wheels are arranged at the ladder foot ends of one ladder foot frame, and ladder climbing wheels are arranged on the two sides of the ladder foot ends of the other ladder foot frame; when the construction ladder body needs to be carried on the stairs, the ladder foot frames and the folding frames are folded, the ladder climbing wheels move on the edges of the stairs, when the ladder climbing wheels move from the first stair to the second stair, the wheel frameworks rotate, and when the ladder climbing wheels move on the stable ground, the first rolling wheels rotate; the construction ladder body provided with the ladder climbing wheels can easily roll on the ground and / or stairs, so that the labor burden in the carrying process is greatly reduced, the carrying of the construction ladder body becomes simpler and more convenient, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a construction ladder which is easy to move. Background Art

[0002] Construction ladders play an important role in construction projects. They are mainly used for aerial work, helping workers go up and down buildings, carry out exterior wall decoration, repair equipment, etc., according to different usage scenarios and needs. The current construction ladders are not convenient to move. When encountering stairs, the ladder needs to be carried manually, which usually requires a lot of physical strength. This shortcoming is particularly prominent when it is necessary to frequently change the work location or move between different floors, which increases the labor intensity of workers. In the process of carrying and moving the ladder, since the ladder itself may be long and heavy, it is easy to cause inconvenience in operation or instability, increasing the risk of injury to workers. In summary, when encountering stairs, the disadvantage of the ladder being inconvenient to carry may increase the labor intensity and safety risks of workers and reduce work efficiency. Utility Model Content

[0003] In view of the problems existing in the above-mentioned prior art, the utility model provides a construction ladder which is easy to move and can effectively solve the problems existing in the above-mentioned prior art.

[0004] The technical solution of the utility model is:

[0005] According to one aspect of the utility model, it includes: two ladder frames and several folding frames, both ends of each folding frame are connected by a joint lock, and several folding frames are sequentially connected between the two ladder frames through the joint lock, and the ladder foot end of one of the ladder frames is provided with a second roller, and the two sides of the ladder foot end of the other ladder frame are provided with climbing wheels.

[0006] Furthermore, the ladder frame is provided with at least one locking device for braking the ladder wheel.

[0007] Furthermore, a wheel axle is provided between the two climbing wheels, and the wheel frames of the two climbing wheels are respectively connected to the two ends of the wheel axle;

[0008] The locking device comprises: a fixing seat and a screw rod. The wheel frame is fixed with the fixing seat. One end of the screw rod passes through the ladder frame and is threadedly connected with the fixing seat.

[0009] Furthermore, a knob is fixedly provided at one end of the screw rod away from the fixing seat.

[0010] Furthermore, there are two locking devices, which are respectively mounted on the two ladder wheels.

[0011] Furthermore, at least one handle assembly is fixedly provided on the side wall of the ladder frame; the handle assembly is arranged on the upper end of the ladder wheel;

[0012] The handle assembly comprises at least two bases and a handle, the two bases are symmetrically fixed on one side of the ladder frame, and the two ends of the handle are respectively hinged to the two bases.

[0013] Furthermore, a non-slip cover is provided on the middle part of the handle.

[0014] Furthermore, the second roller is a universal wheel.

[0015] By adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0016] Firstly, when the construction ladder body needs to be carried on the stairs, the ladder foot frame and the folding frame are folded and the ladder wheels are moved on the edge of the steps. When moving from the first step to the second step, the wheel frame rotates, and when the ladder wheels move on the smooth ground, the first roller rotates; the construction ladder body equipped with ladder wheels can be easily rolled on the ground and / or stairs, which greatly reduces the manpower burden during the transportation process, makes the transportation of the construction ladder body simpler and more convenient, and improves work efficiency.

[0017] Secondly, when the construction ladder body needs to remain stable, the locking device can fix the construction ladder body when needed to prevent it from sliding or moving, thereby ensuring the safety of the workers; by turning the knob, the knob drives the screw to move toward the fixed seat, thereby locking the wheel frame; by turning the knob, the screw can be driven to move without the use of additional tools or complicated operations, which greatly reduces the difficulty of operation and improves work efficiency.

[0018] Third, when the construction ladder is moving, you can control the direction and speed of the construction ladder by holding the handle. For heavier construction ladders or those that need to be moved for a long time, holding the handle can provide additional support, reduce the burden on the arms and shoulders, reduce fatigue during operation, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the main plane structure of the utility model;

[0021] Figure 2 It is a right side view planar structure schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0023] Figure 4 It is an enlarged structural diagram of B of the utility model;

[0024] In the figure: construction ladder body -100, ladder foot frame -1, folding frame -2, joint lock buckle -3, ladder wheel -4, wheel frame -41, first roller -42, wheel axle -5, connecting tube -51, second roller -6, handle assembly -7, base -71, sleeve -72, handle -73, pin shaft -731, anti-slip sleeve -74, pedal -8, locking device -9, fixing seat -91, screw -92, knob -93. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is particularly noted that the following embodiments are only used to illustrate the present invention, but do not limit the scope of the present invention. Similarly, the following embodiments are only partial embodiments of the present invention rather than all embodiments. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figures 1 to 4 As shown, the present invention provides a construction ladder which is easy to move.

[0027] See also Figure 1 , including: two ladder frames 1 and a plurality of folding frames 2, both ends of each folding frame 2 are connected by a joint lock 3, and a plurality of folding frames 2 are sequentially connected between the two ladder frames 1 through the joint lock 3, wherein the locking principle of the joint lock 3 is as shown in the Chinese patent (CN216142693U), and the locking principle is not the focus of this application, and will not be repeated here.

[0028] See also Figure 1 and Figure 2 The ladder foot end of one ladder frame 1 is provided with a second roller 6, specifically, the second roller 6 is a universal wheel; both sides of the ladder foot end of the other ladder frame 1 are provided with ladder wheels 4. The second roller 6 and the bottom of the ladder wheel 4 are located at the same horizontal line.

[0029] See also Figure 2 and Figure 4The ladder frame 1 is provided with at least one locking device 9 for braking the ladder wheel 4. Specifically, a wheel axle 5 is passed through the two ladder wheels 4, and the wheel frames 41 of the two ladder wheels 4 are respectively connected to the two ends of the wheel axle 5; specifically, a connecting tube 51 is provided on the wheel frame 41 extending toward the ladder frame 1, and the connecting tube 51 is connected to the wheel axle 5 through a bearing. The locking device 9 includes: a fixing seat 91 and a screw rod 92, the wheel frame 41 is fixed with the fixing seat 91, and one end of the screw rod 92 passes through the ladder frame 1 and is threadedly connected to the fixing seat 91. There are two locking devices 9, which are respectively assembled on the two ladder wheels 4. When the construction ladder body 100 needs to remain stable, the locking device 9 can fix the construction ladder body 100 when needed to prevent it from sliding or moving, thereby ensuring the safety of the operators.

[0030] See also Figure 4 A knob 93 is fixedly arranged at one end of the screw rod 92 away from the fixing seat 91. By turning the knob 93, the screw rod 92 is driven to move toward the fixing seat 91, thereby locking the wheel frame 41; by turning the knob 93, the screw rod 92 can be driven to move, without using additional tools or performing complicated operations, which greatly reduces the difficulty of operation and improves work efficiency.

[0031] See also Figure 2 and Figure 3 At least one handle assembly 7 is fixedly provided on the side wall of the ladder frame 1; the handle assembly 7 is arranged on the upper end of the ladder wheel 4; the handle assembly 7 includes at least two bases 71 and a handle 73, the two bases 71 are symmetrically fixedly provided on one side of the ladder frame 1, and the two ends of the handle 73 are respectively hinged to the two bases 71. Specifically, the two bases 71 are fixedly provided with sleeves 72, and the two ends of the handle 7 are respectively fixedly provided with pins 731, and the two pins 731 are respectively passed through the two sleeves 72. When the construction ladder body 100 is moving, the moving direction and speed of the construction ladder body 100 can be controlled by holding the handle 73. For a heavier construction ladder body 100 or a situation where it needs to be moved for a long time, holding the handle 7 can provide additional support force, reduce the burden on the arms and shoulders, reduce fatigue during operation, and improve work efficiency.

[0032] See also Figure 3 , the middle part of the handle 73 is covered with an anti-skid cover 74. Specifically, the anti-skid cover 74 is made of rubber. In other embodiments, the anti-skid cover 74 can also be made of materials such as silicone, plastic and polyurethane. The anti-skid cover 74 can increase the friction between the handle 73 and the palm of the user, so that the handle 73 can be firmly held when moving the construction ladder body 100 to prevent the construction ladder body 100 from losing control or falling due to hand slippage; in harsh environments such as humidity, oiliness or cold, the hands are prone to sweating or becoming slippery. The anti-skid cover 74 can effectively prevent hand slippage in this case and improve the safety of operation.

[0033] Working principle: When the construction ladder body 100 needs to be carried on the stairs, the ladder foot frame 1 and the folding frame 2 are folded (the principle is a conventional technical means well known to those skilled in the art, and the principle is not elaborated here), the user holds the anti-slip sleeve 74, pulls the handle 73, and the ladder wheel 4 moves on the edge of the step. When moving from the first step to the second step, the wheel frame 41 rotates, and when the ladder wheel 4 moves on a stable ground, the first roller 42 rotates;

[0034] When the construction ladder body 100 moves on a stable ground, the construction ladder body 100 is moved by the rotation of the first roller 42 and the second roller 6;

[0035] When the construction ladder body 100 needs to be kept stable, the knob 93 is rotated, and the knob 93 drives the screw rod 92 to move toward the fixing seat 91 , thereby locking the wheel frame 41 .

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A construction ladder that is easy to move, comprising: Two ladder frames (1) and a plurality of folding frames (2), both ends of each folding frame (2) are connected by a joint lock (3), and a plurality of folding frames (2) are sequentially connected between the two ladder frames (1) by the joint lock (3), characterized in that a second roller (6) is provided at the ladder foot end of one of the ladder frames (1), and climbing wheels (4) are provided on both sides of the ladder foot end of the other ladder frame (1).

2. A mobile construction ladder as claimed in claim 1, characterized in that: The ladder support (1) is provided with at least one locking device (9) for braking the ladder wheel (4).

3. A mobile construction ladder as claimed in claim 2, characterized in that: A wheel axle (5) is provided between the two climbing wheels (4), and the wheel frames (41) of the two climbing wheels (4) are respectively connected to the two ends of the wheel axle (5); The locking device (9) comprises: a fixing seat (91) and a screw rod (92); the wheel frame (41) is fixedly provided with the fixing seat (91); one end of the screw rod (92) passes through the ladder frame (1) and is threadedly connected to the fixing seat (91).

4. A mobile construction ladder as claimed in claim 3, characterized in that: A knob (93) is fixedly provided at one end of the screw rod (92) away from the fixing seat (91).

5. A mobile construction ladder as claimed in claim 2, characterized in that: The number of the locking devices (9) is two, which are respectively mounted on the two climbing wheels (4).

6. A mobile construction ladder as claimed in claim 1, characterized in that: At least one handle assembly (7) is fixedly provided on the side wall of the ladder frame (1); the handle assembly (7) is arranged on the upper end of the ladder wheel (4); The handle assembly (7) comprises at least two bases (71) and a handle (73), the two bases (71) are symmetrically fixed on one side of the ladder frame (1), and the two ends of the handle (73) are respectively hinged to the two bases (71).

7. A construction ladder that is easy to move as claimed in claim 6, characterized in that: The middle part of the handle (73) is covered with an anti-slip cover (74).

8. The mobile construction ladder according to claim 1, characterized in that: The second roller (6) is a universal wheel.

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