CN220664612U - Anti-drop device of external step gyro wheel - Google Patents

Abstract

The utility model provides an anti-drop device of an external step roller, and belongs to the technical field of escalators. The stair solves the problem that the stair in the existing escalator is easy to separate when turning. The utility model relates to an anti-drop device of an external step roller, which comprises a truss, a rotary wheel, steps, rollers, a mounting piece and an anti-drop strip. When the anti-drop device works, the rotary wheel rotates to drive the rollers to rotate, so that the step can smoothly turn and pass through the gap, and in the process, the anti-drop strip is positioned on the outer side of the rotary wheel and is positioned on the same plane with the rotary wheel, so that the gap is provided with and only allows a plurality of rollers to sequentially pass through the gap, and if the rollers have a tendency of falling out from the rotary wheel, the anti-drop plate can block the rollers to prevent the rollers from falling out from the rotary wheel, so that the rotary wheel can be ensured to smoothly drive the step to turn.

Description

Anti-drop device of external step gyro wheel

Technical Field

The utility model belongs to the technical field of escalators, and relates to an anti-falling device of an external step roller.

Background

An escalator, also called an escalator, or an escalator, a handrail elevator or an escalator, is a type of escalator with circularly running steps, is a fixed electric driving device for conveying passengers in an upward or downward inclined mode, comprises steps for conveying and driving wheels arranged at the end parts of the escalator and used for conveying the steps, and is characterized in that when the escalator works, the driving wheels drive the steps to move, and when the steps bypass the driving wheels, the steps bend, and in the process, the steps are very easy to separate from the driving wheels, so that the escalator cannot work normally.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and provides an anti-drop device of an external step roller, which can ensure that a step turns smoothly.

The aim of the utility model can be achieved by the following technical scheme: an anti-disengaging device of an external step roller, comprising:

truss;

the rotary wheel is movably arranged in the truss, a plurality of steps are arranged on the rotary wheel, and rollers connected with the rotary wheel are arranged at two ends of each step;

the installation piece is arranged in the truss, and an anti-drop strip for preventing the roller from being separated from the rotary wheel is arranged on the installation piece.

In the above-mentioned anticreep device of external step gyro wheel, the anticreep strip is arcuation to this anticreep strip is located the coplanar with the gyratory wheel, be equipped with the space that supplies the gyro wheel to pass between anticreep strip and the gyratory wheel.

In the above-mentioned anticreep device of external step gyro wheel, the installed part includes the mounting panel of being connected with the truss, can dismantle on the mounting panel and be connected with the last engaging lug and the lower engaging lug of being connected with the anticreep strip.

In the above-mentioned anticreep device of external step gyro wheel, go up the engaging lug and all be the form of bending with lower engaging lug to go up the engaging lug and be symmetrical with the central axis of mounting panel with lower engaging lug.

In the above-mentioned anticreep device of external step gyro wheel, go up the engaging lug and set up with lower engaging lug dorsad, go up the engaging lug and be located the top of lower engaging lug.

In the above-mentioned anti-disengaging device of external step gyro wheel, be equipped with the detector that is used for detecting the step and passes by on the last engaging lug.

In the anti-drop device of the external step roller, a beam is arranged on the truss, a shaft body is arranged in the middle of the rotary wheel in a penetrating mode, the end portion of the shaft body movably penetrates through the beam, and the mounting plate is mounted on the beam.

In the above-mentioned anticreep device of external step gyro wheel, the swiveling wheel includes the inner wheel dish of installing on the axis body, can dismantle on the inner wheel dish and be connected with the outer wheel dish.

In the above-mentioned anti-disengaging device for external step roller, a clamping groove for clamping the roller is arranged on the outer ring of the outer wheel disc.

In the above-mentioned anti-disengaging device for external step roller, the inner wheel disc is provided with a mounting ring, and the mounting ring is detachably connected with the outer wheel disc.

Compared with the prior art, the utility model has the following beneficial effects:

when the anti-drop device works, the rotary wheel rotates to drive the rollers to rotate, so that the step can smoothly turn and pass through the gap, and in the process, the anti-drop strip is positioned on the outer side of the rotary wheel and is positioned on the same plane with the rotary wheel, so that the gap is provided with and only allows a plurality of rollers to sequentially pass through the gap, and if the rollers have a tendency of falling out from the rotary wheel, the anti-drop plate can block the rollers to prevent the rollers from falling out from the rotary wheel, so that the rotary wheel can be ensured to smoothly drive the step to turn.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of the present utility model.

Fig. 2 is a schematic view of the structure of fig. 1 with the truss removed.

Fig. 3 is a combination diagram of a caster and a step.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 3, the anti-drop apparatus of the roller 310 of the external step 300 according to the present utility model includes a truss 100, a swiveling wheel 200, a step 300, a roller 310, a mounting 400, and an anti-drop strip 410.

The swiveling wheel 200 is movably installed in the truss 100, a plurality of steps 300 are arranged on the swiveling wheel 200, and rollers 310 connected with the swiveling wheel 200 are arranged at two ends of each step 300; the installation piece 400 is arranged in the truss 100, the installation piece 400 is provided with an anti-falling strip 410 for preventing the roller 310 from falling out of the rotary wheel 200, the anti-falling strip 410 is arc-shaped, the anti-falling strip 410 and the rotary wheel 200 are positioned on the same plane, a gap for the roller 310 to pass through is formed between the anti-falling strip 410 and the rotary wheel 200, when the rotary wheel 200 rotates during operation, the roller 310 is driven to rotate, so that the step 300 can smoothly bend and pass through the gap 420, in the process, the anti-falling strip 410 is positioned on the outer side of the rotary wheel 200, and the anti-falling strip 410 and the rotary wheel 200 are positioned on the same plane, so that the gap 420 can only allow a plurality of rollers 310 to sequentially pass through the gap 420, and if the roller 310 has a trend of falling out of the rotary wheel 200, the anti-falling plate can block the roller 310, so that the roller 310 is prevented from falling out of the rotary wheel 200, and the step 300 can be smoothly driven by the rotary wheel 200.

The mounting member 400 includes a mounting plate 430 connected to the truss 100, and an upper connection lug 440 and a lower connection lug 450 connected to the anti-falling bar 410 are detachably connected to the mounting plate 430, and when the mounting member is mounted, a person needs to mount the mounting plate 430 on the truss 100, then connect the upper connection lug 440 and the lower connection lug 450 to the mounting plate 430 through bolts, and then weld the anti-falling bar 410 between the upper connection lug 440 and the lower connection lug 450, so as to ensure that a gap 420 between the anti-falling bar 410 and the rotary wheel 200 is available for only one roller 310 to pass, thereby preventing the roller 310 from falling out of the rotary wheel 200.

Further, the upper connecting lug 440 and the lower connecting lug 450 are both bent, and the upper connecting lug 440 and the lower connecting lug 450 are symmetrical with the central axis of the mounting plate 430, the upper connecting lug 440 and the lower connecting lug 450 are arranged opposite to each other, the upper connecting lug 440 is located above the lower connecting lug 450, and the distance between the connecting part between the upper connecting lug 440 and the anti-drop plate and the connecting part between the lower connecting lug 450 and the anti-drop plate is increased through the arrangement of the structure, so that the two ends of the anti-drop strip 410 can be more stably blocked the roller 310.

The upper connecting lug 440 is provided with a detector 460 for detecting the passing of the step 300, the detector 460 is electrically connected with a control system of the escalator suitable for the roller 310 of the step 300, under normal conditions, the time for the corner of the step 300 to pass through the detector 460 is within the preset time of the detector 460, when the roller 310 is separated from the rotary wheel 200, the step 300 is turned outwards, at the moment, the length of the step 300 passing through the detector 460 is increased, thus, the time for the step 300 passing through the detector 460 is increased, and when the time exceeds the preset time of the detector 460, the detector 460 transmits the signal to the control system, and the control system gives a warning to inform people that the roller 310 is separated from the rotary wheel 200; second, it is also convenient for people to mount the outer wheel 230 on the inner wheel 220.

The truss 100 is provided with a cross beam 110, the middle part of the rotary wheel 200 is provided with a shaft body 210 in a penetrating way, the end part of the shaft body 210 movably penetrates through the cross beam 110, the mounting plate 430 is mounted on the cross beam 110, the rotary wheel 200 comprises an inner wheel disc 220 mounted on the shaft body 210, the inner wheel disc 220 is detachably connected with an outer wheel disc 230, the outer ring of the outer wheel disc 230 is provided with a clamping groove 231 for clamping a roller 310, the inner wheel disc 220 is provided with a mounting ring 221, the mounting ring 221 is detachably connected with the outer wheel disc 230, and the roller 310 can be clamped into the corresponding clamping groove 231 in normal operation, so that the rotary wheel 200 can drive the roller 310 and the corresponding step 300 to move; when people need to replace the outer wheel 230, the outer wheel 230 can be easily replaced by detaching the outer wheel 230 from the mounting ring 221 of the inner wheel 220, and the whole rotary wheel 200 does not need to be detached, so that the operation of people is facilitated.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims (10)

1. An anti-disengaging device of external step gyro wheel, its characterized in that includes:

truss;

the rotary wheel is movably arranged in the truss, a plurality of steps are arranged on the rotary wheel, and rollers connected with the rotary wheel are arranged at two ends of each step;

the installation piece is arranged in the truss, and an anti-drop strip for preventing the roller from being separated from the rotary wheel is arranged on the installation piece.

2. The anti-drop device of the external stair roller according to claim 1, wherein the anti-drop strip is arc-shaped and is positioned on the same plane with the rotary wheel, and a gap for the roller to pass through is arranged between the anti-drop strip and the rotary wheel.

3. The anti-slip device of claim 1, wherein the mounting member comprises a mounting plate connected to the truss, and wherein the mounting plate is detachably connected with an upper connecting lug and a lower connecting lug connected to the anti-slip bar.

4. The anti-drop device of claim 3, wherein the upper and lower connecting lugs are bent, and the upper and lower connecting lugs are symmetrical about a central axis of the mounting plate.

5. The anti-slip device of claim 3 or 4, wherein the upper connecting lug is disposed opposite the lower connecting lug, and the upper connecting lug is disposed above the lower connecting lug.

6. The anti-drop device of claim 3, wherein the upper connecting lugs are provided with detectors for detecting the passing of steps.

7. The anti-drop device of claim 3, wherein the truss is provided with a cross beam, the middle part of the rotary wheel is provided with a shaft body in a penetrating way, the end part of the shaft body movably penetrates through the cross beam, and the mounting plate is mounted on the cross beam.

8. The anti-slip device of claim 7, wherein the caster comprises an inner wheel disc mounted on the axle, the inner wheel disc having an outer wheel disc removably connected thereto.

9. The anti-drop device of claim 8, wherein the outer ring of the outer wheel disc is provided with a clamping groove for clamping the roller.

10. The anti-slip device of claim 8, wherein the inner sheave is provided with a mounting ring that is removably coupled to the outer sheave.