CN210422441U

CN210422441U - Safety ladder for building construction

Info

Publication number: CN210422441U
Application number: CN201921067268.1U
Authority: CN
Inventors: 李明星; 刘勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-28
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a safety ladder that construction used, including first ladder frame, second ladder frame, foot bar, first ladder frame, second ladder frame are the same, the stock of arranging side by side for the structure, the foot bar is by many, arranges perpendicularly between first ladder frame, the second ladder frame, just the foot bar interval is the same, still includes the slide bar, the slide bar is the rectangle pole, and is rotatably articulated through hinge and first ladder frame, second ladder frame, the side that the slide bar is close to the hinge part has linked firmly semi-annular spacing ring, the spacing ring is the slice, and the centre is provided with annular spout, can lock on first ladder frame, second ladder frame through the locking bolt, the top of first ladder frame or second ladder frame is provided with safe protruding, safe protruding opposite direction with the slide bar setting. The utility model discloses a multiple anti-skidding measure under the condition that does not increase ladder weight by a wide margin, has increased the holding power, has improved the factor of safety of use.

Description

Safety ladder for building construction

Technical Field

The utility model belongs to the building tool field, concretely relates to emergency ladder that construction was used.

Background

In the field of construction, ladders are used as permanent aids to facilitate access to higher points for multiple tasks. The portable ladder that tradition used only has two montants and many horizontal poles, because the holding power is unstable, with the operation in-process from top to bottom, vibrate and rock easily, especially under the transport heavy object condition, because the partial frictional force of support is not enough, leads to easily to take place to slide, produces the incident.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art exists, the to-be-solved technical problem of the utility model is that current ladder for building slides when the operation easily, and the danger coefficient is high.

The technical scheme of the utility model is that: the utility model provides a safety ladder for building construction, which comprises a first ladder frame, a second ladder frame and foot bars, wherein the first ladder frame and the second ladder frame are long bars with the same structure and arranged side by side, the foot bars are vertically arranged between the first ladder frame and the second ladder frame, the distance between the foot bars is the same, the safety ladder also comprises a stop slide bar which is a rectangular bar and is rotatably hinged with the first ladder frame and the second ladder frame through hinges, the rotating angle is 0-150 degrees,

the side surface of the non-slip rod close to the hinge part is fixedly connected with a semi-annular limiting ring, the limiting ring is in a sheet shape, the middle part of the limiting ring is provided with an annular sliding groove, the limiting ring can be locked on the first ladder frame and the second ladder frame through locking bolts and threaded holes on the first ladder frame and the second ladder frame,

the top of the first ladder frame or the second ladder frame is provided with a safety protrusion, and the direction of the safety protrusion is opposite to that of the anti-slip rod.

Further, one or two safety protrusions are arranged, one or two sliding stop rods are arranged on the upper part and the lower part of at least one of the following parts respectively: first ladder frame, second ladder frame.

Furthermore, in order to ensure that the stop slide bar does not interfere when deflecting for more than 90 degrees, an obliquely downward avoidance notch is arranged at the bottom of the stop slide bar close to the hinge.

Furthermore, in order to prevent slipping, rubber pads are mounted on the rear side faces, in contact with the placed object, of the first ladder frame and the second ladder frame, and the rubber pads are identical in thickness and length.

Furthermore, in order to place the foot slide up and down and in the operation process, the pedal rod is a rectangular rod, and the upper surface of the pedal rod is provided with anti-skid grains.

Furthermore, in order to facilitate the holding of a user in the up-and-down process, the first ladder frame and the second ladder frame are round rods or square rods with round corners at the connecting parts.

The utility model has the advantages that:

1. the rotatable slide stopping rod is arranged at the bottom of the ladder frame of the safety ladder, so that the safety ladder can be retracted during transportation and storage, can be flexibly rotated by a plurality of angles, and can always ensure that the bottom of the slide stopping rod is attached to the ground, thereby increasing the supporting force and the friction force; the top of the support is provided with a safety protrusion, so that the upper support is prevented from being loosened due to sliding, and the safety coefficient is high;

2. the pedal rod is provided with anti-skid lines which can be used in rainy days;

3. the rubber mat is installed with the contact part of placing the face to the ladder frame, reduces to scurry smooth, and reduces the wearing and tearing to placing the position building.

Drawings

Fig. 1 is a schematic perspective view showing a vertical arrangement of a ladder frame of a safety ladder for building construction according to the utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic perspective view of the retraction of the anti-slip rod of the safety ladder for building construction according to the utility model;

fig. 5 is a schematic perspective view of the safety ladder for building construction with a large inclination angle.

In the figure: 1. the ladder comprises a first ladder frame, 2 pedal rods, 3 anti-skidding threads, 4 rubber mats, 5 hinges, 6 anti-skidding rods, 7 safety protrusions, 8 limiting rings, 81 sliding grooves, 9 locking bolts, 10 second ladder frames, 11 avoiding notches.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, a safety ladder for building construction comprises a first ladder frame 1, a second ladder frame 10, and treadles 2, wherein the first ladder frame 1 and the second ladder frame 10 are long rods with the same structure and arranged side by side, the treadles 2 are provided with a plurality of long rods which are vertically arranged between the first ladder frame 1 and the second ladder frame 10, the distance between the treadles 2 is the same, the safety ladder further comprises a stop slide bar 6, the stop slide bar 6 is a rectangular bar and is rotatably hinged with the first ladder frame 1 and the second ladder frame 10 through a hinge 5, as shown in fig. 5, the rotation angle is 0 to 150 degrees,

as shown in fig. 3, the side surface of the part of the slide bar 6 close to the hinge 5 is fixedly connected with a semi-annular limiting ring 8, the limiting ring 8 is sheet-shaped, the middle part of the limiting ring is provided with an annular sliding groove 81, the limiting ring 8 can be locked on the first ladder frame 1 and the second ladder frame 10 through a locking bolt 9 and threaded holes on the first ladder frame 1 and the second ladder frame 10,

the top of the first ladder frame 1 or the second ladder frame 10 is provided with a safety protrusion 7, and the safety protrusion 7 is arranged in the direction opposite to the direction of the anti-slip rod 6.

In practical application, one or two of the safety protrusions 7 and one or two of the slide-stopping rods 6 are respectively arranged at the upper part and the lower part of at least one of the following parts: a first ladder frame 1 and a second ladder frame 10.

In practical application, in order to ensure that the slide stop bar 6 does not interfere when deflecting more than 90 degrees, the bottom of the slide stop bar 6 close to the hinge 5 is provided with an obliquely downward escape notch 11.

In practical application, in order to prevent slipping, rubber pads 4 are mounted on the rear side surfaces of the first ladder frame 1 and the second ladder frame 10, which are in contact with a placed object, and the rubber pads 4 at two positions have the same thickness and the same length.

In practical application, in order to place the foot slide up and down and during operation, the pedal rod 2 is a rectangular rod, and the upper surface of the pedal rod is provided with anti-skid grains 3.

In practical application, in order to facilitate the holding of a user in the process of going up and down, the first ladder frame 1 and the second ladder frame 10 are round bars or square bars with round corners at the joints.

As shown in fig. 4, the anti-slip rods can be retracted during transportation and storage, so that the occupied space is reduced.

To sum up, this emergency ladder adopts multiple anti-skidding measure, under the condition that does not increase ladder weight by a wide margin, has increased the holding power, has improved the factor of safety of use.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.

Claims

1. The utility model provides a safety ladder that construction used, includes first ladder frame (1), second ladder frame (10), foot bar (2), first ladder frame (1), second ladder frame (10) are the same, the stock of arranging side by side of structure, foot bar (2) are by many, arrange perpendicularly between first ladder frame (1), second ladder frame (10), just foot bar (2) interval is the same, its characterized in that: the ladder is characterized by further comprising a stop slide rod (6), wherein the stop slide rod (6) is a rectangular rod and is rotatably hinged with the first ladder frame (1) and the second ladder frame (10) through a hinge (5), the rotating angle is 0-150 degrees,

the side surface of the part, close to the hinge (5), of the slide stopping rod (6) is fixedly connected with a semi-annular limiting ring (8), the limiting ring (8) is in a sheet shape, the middle of the limiting ring is provided with an annular sliding groove (81), the limiting ring (8) can be locked on the first ladder frame (1) and the second ladder frame (10) through locking bolts (9) and threaded holes on the first ladder frame (1) and the second ladder frame (10),

the top of the first ladder frame (1) or the second ladder frame (10) is provided with a safety protrusion (7), and the direction of the safety protrusion (7) is opposite to that of the anti-slip rod (6).

2. The safety ladder for building construction according to claim 1, wherein: one or two safety protrusions (7) are arranged, one or two stop sliding rods (6) are arranged on the upper part and the lower part of at least one of the following parts respectively: a first ladder frame (1) and a second ladder frame (10).

3. A safety ladder for building construction according to claim 1 or 2, characterized in that: and an obliquely downward avoidance notch (11) is formed at the bottom of the slide stopping rod (6) close to the hinge (5).

4. A safety ladder for building construction according to claim 1 or 2, characterized in that: the rubber mat (4) is arranged on the rear side face, in contact with a placed object, of the first ladder frame (1) and the second ladder frame (10), the rubber mat (4) at the two positions are the same in thickness and length.

5. A safety ladder for building construction according to claim 1 or 2, characterized in that: the pedal rod (2) is a rectangular rod, and the upper surface of the pedal rod is provided with anti-skid grains (3).

6. A safety ladder for building construction according to claim 1 or 2, characterized in that: the first ladder frame (1) and the second ladder frame (10) are round rods or square rods with round corners at the joints.