CN215978360U - Movable scaffold - Google Patents

Abstract

The utility model relates to a movable scaffold which comprises two door frames, cross braces connected to two sides of the two door frames and pedals above the two door frames, wherein each door frame comprises upright rods on two sides and cross rods welded to the upper side and the lower side of each upright rod, and universal wheels and guide blocks capable of adjusting the contact or separation of the universal wheels with the ground are arranged below the door frames. The ladder stand is simple in structure, workers can conveniently vertically pass to the pedal to operate the ladder stand, the anti-slip pad can improve the surface friction resistance of the guide block, the workers can conveniently step on the guide block, the universal wheels can be separated from the ground through the springs when the workers perform construction operation, the construction safety of the workers is improved, when the scaffold needs to be moved, the universal wheels can be in contact with the ground by stepping on the guide block downwards, and the operation is convenient.

Description

Movable scaffold

Technical Field

The utility model relates to the field of building decoration construction equipment, in particular to a movable scaffold.

Background

The mobile scaffold refers to various supports erected on a construction site for workers to operate and solve vertical and horizontal transportation. The movable scaffold has the characteristics of simple assembly and disassembly, good bearing performance, safe and reliable use and the like, the development speed is high, the movable scaffold is developed earliest in various novel scaffolds, and the use amount is the largest. But current removal scaffold frame generally includes the scaffold frame body and locates the universal wheel of scaffold frame body below, directly restricts the universal wheel through brake mechanism and removes when the staff carries out construction operation, in case brake mechanism inefficacy just can bring great danger for the constructor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides a movable scaffold.

The utility model is realized by the following technical scheme:

a movable scaffold comprises two portal frames, bridging connected to two sides of the two portal frames and pedals above the two portal frames, wherein each portal frame comprises upright rods on two sides and cross rods welded to the upper side and the lower side of each upright rod, reinforcing plates are welded between two sides below each lower cross rod and the upright rods, the reinforcing plates on two sides are hinged with connecting rods, universal wheels are arranged at the tail ends of the connecting rods, the universal wheels are in contact with the ground when the connecting rods are in the vertical direction, the upright rods are separated from the ground, L-shaped guide rods are symmetrically and fixedly connected to the middle lower parts of the two connecting rods, convex blocks are arranged at the other ends of the two L-shaped guide rods and are connected to the same guide block in a sliding mode, each guide block is provided with a sliding groove matched with each convex block, a guide pillar is welded to the middle part below each lower cross rod, each guide block is provided with a guide sleeve in sliding connection with each guide pillar, each universal wheel is separated from the ground when each guide pillar is positioned at the uppermost end of each guide pillar, and each vertical rod is in contact with the ground, the connecting rod limiting device is characterized in that springs enabling the L-shaped guide rods on the two sides to be close to each other are arranged in the sliding grooves, a wedge-shaped block is elastically connected to one side of each guide pillar, a limiting block limiting the rotation angle of the connecting rod is arranged on the reinforcing plate, and the wedge-shaped block is matched with the limiting block and used for limiting the connecting rod to be located in the vertical direction.

Preferably, a ladder stand is arranged between the two cross rods.

Preferably, the upper surface of the guide block is provided with a non-slip mat.

The utility model has the beneficial effects that:

the ladder stand is simple in structure, workers can conveniently vertically pass to the pedal to operate the ladder stand, the anti-slip pad can improve the surface friction resistance of the guide block, the workers can conveniently step on the guide block, the universal wheels can be separated from the ground through the springs when the workers perform construction operation, the construction safety of the workers is improved, when the scaffold needs to be moved, the universal wheels can be in contact with the ground by stepping on the guide block downwards, and the operation is convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic view of the retractable structure of the universal wheel of the present invention.

Fig. 3 is a schematic view of the guide block structure of the present invention.

Fig. 4 is a schematic view of the structure of the L-shaped guide bar of the present invention.

In the figure: 1. the device comprises a vertical rod, 2 parts of a limiting block, 3 parts of a connecting rod, 4 parts of universal wheels, 5 parts of an L-shaped guide rod, 6 parts of a guide block, 7 parts of a spring, 8 parts of a wedge-shaped block, 9 parts of a guide column, 10 parts of a ladder stand, 11 parts of a cross rod, 12 parts of a reinforcing plate, 13 parts of a guide sleeve, 14 parts of a sliding groove and 15 parts of a convex block.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in the figure, the utility model comprises two door frames, a cross brace connected with two sides of the two door frames and a pedal arranged above the two door frames, wherein a worker can carry out construction operation on the pedal, the door frames comprise upright rods 1 at two sides and cross rods 11 welded on the upper side and the lower side of the two upright rods, reinforcing plates 12 are welded between two sides below the lower side cross rod and the upright rods to improve the strength of the door frames, the reinforcing plates at two sides are hinged with connecting rods 3, universal wheels 4 are arranged at the tail ends of the connecting rods, when the connecting rods are positioned in the vertical direction, the universal wheels are in contact with the ground, and the upright rods are separated from the ground, so that the scaffold is convenient to move, L-shaped guide rods 5 are symmetrically and fixedly connected with the middle lower parts of the two connecting rods, the universal wheels can be controlled to be in contact with or separated from the ground by adjusting the L-shaped guide rods, the other ends of the two L-shaped guide rods are provided with convex blocks 15 and are slidably connected with the same guide blocks 6, and the guide blocks are provided with sliding chutes 14 matched with the convex blocks, the welding of downside horizontal pole below middle part has guide pillar 9, the guide block is equipped with the guide pin bushing 13 with guide pillar sliding connection, can drive L shape guide bar along guide pillar sliding guide block and rotate around the connecting rod articulated shaft, and the universal wheel breaks away from ground and the pole setting contacts with ground when the guide pin bushing is located the guide pillar the top, be equipped with the spring 7 that makes both sides L shape guide bar be close mutually in the spout, guide pillar one side elastic connection has wedge 8, the reinforcing plate is equipped with restriction connecting rod rotation angle's stopper 2, the wedge cooperatees with the stopper and is used for restricting the connecting rod and be located vertical direction.

A ladder stand 10 is arranged between the two cross rods, so that workers can conveniently vertically pass to the pedal to operate.

The guide block upper surface is equipped with the slipmat, improves guide block surface friction resistance, makes things convenient for the staff to step on the guide block down and adjusts connecting rod to perpendicular to ground position.

The working principle of the utility model is that when the scaffold does not need to be moved, the L-shaped guide rods at the two sides are close to each other under the action of the spring to drive the guide block to be positioned at the uppermost part of the guide post, and the guide wheel is not contacted with the ground at the moment; when needs remove the scaffold frame, the staff steps on the guide block downwards, and L shape guide bar drives the connecting rod and rotates around the articulated shaft, and when the connecting rod rotated to perpendicular to ground, L shape guide bar and stopper contact prevented the connecting rod to continue to rotate, and guide pin bushing joint in wedge fixture block below, the connecting rod was in perpendicular to ground position steadily this moment, and the universal wheel contacts with ground, can remove the scaffold frame. The ladder stand is simple in structure, workers can conveniently vertically pass to the pedal to operate the ladder stand, the anti-slip pad can improve the surface friction resistance of the guide block, the workers can conveniently step on the guide block, the universal wheels can be separated from the ground through the springs when the workers perform construction operation, the construction safety of the workers is improved, when the scaffold needs to be moved, the universal wheels can be in contact with the ground by stepping on the guide block downwards, and the operation is convenient.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. A movable scaffold is characterized by comprising two portal frames, bridging connected to two sides of the two portal frames and pedals above the two portal frames, wherein each portal frame comprises upright rods on two sides and cross rods welded to the upper side and the lower side of each upright rod, reinforcing plates are welded between two sides below the lower cross rods and the upright rods, the reinforcing plates on two sides are hinged with connecting rods, universal wheels are arranged at the tail ends of the connecting rods, the universal wheels are in contact with the ground when the connecting rods are positioned in the vertical direction, the upright rods are separated from the ground, L-shaped guide rods are symmetrically and fixedly connected to the middle lower parts of the two connecting rods, convex blocks are arranged at the other ends of the two L-shaped guide rods and are slidably connected to the same guide block, each guide block is provided with a chute matched with the convex blocks, a guide pillar is welded at the middle part below the lower cross rods, each guide block is provided with a guide sleeve slidably connected with the guide pillar, when the guide sleeves are positioned at the uppermost ends of the guide pillars, the universal wheels are separated from the ground, and the upright rods are in contact with the ground, the connecting rod limiting device is characterized in that springs enabling the L-shaped guide rods on the two sides to be close to each other are arranged in the sliding grooves, a wedge-shaped block is elastically connected to one side of each guide pillar, a limiting block limiting the rotation angle of the connecting rod is arranged on the reinforcing plate, and the wedge-shaped block is matched with the limiting block and used for limiting the connecting rod to be located in the vertical direction.

2. A mobile scaffolding according to claim 1 wherein a ladder is provided between the bars.

3. A mobile scaffold according to claim 1 wherein the guide blocks are provided with non-slip pads on their upper surfaces.

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