CN212740371U - Escalator end anti-step collapse device - Google Patents

Abstract

The utility model discloses an automatic staircase tip prevents step device that sinks, the device include support and backup pad, the curb plate department that forms its bottom fixed mounting of horizontal Z type structure on automatic staircase before the tip broach is followed opposite direction buckling at the support both ends, the backup pad with support top outside fixed connection. Through the utility model discloses can realize before automatic escalator tip step gets into the broach, if the step takes place to sink or the fracture, but the staircase is still when moving, the step that sinks can be supported to the backup pad, prevents that the pedestrian from sinking and bumping with the tip broach because of the step, avoids accident's emergence, improves automatic escalator's security and stability.

Description

Escalator end anti-step collapse device

Technical Field

The utility model relates to an elevator equipment field, concretely relates to escalator tip prevents step device that sinks.

Background

The escalator consists of a stair way and handrails on two sides, the main components comprise steps, a traction chain and a chain wheel, a guide rail system, a main transmission system driving main shaft, a handrail system, a comb plate, an escalator framework and the like, the steps are driven by the chain wheel and the chain to be transmitted, and the steps are used as carriers for bearing and transporting pedestrians in the operation process of the escalator and are arranged on the outer layers of step rollers of the stair way guide rails.

At present, the escalator is widely applied to various public occasions such as markets, stations, hospitals and the like as a fixed power transmission device has the advantages of strong transmission capacity, capability of continuously bearing a large amount of people flows, capability of being used as a common stair during power failure and the like, but the escalator has a complex structure, the conditions of collapse, sudden stop, reversion and the like of the steps or the pedals are easy to occur in the running process, particularly when the steps or the pedals collapse, easily causes injuries to pedestrians, seriously influences the safety and the stability of the escalator operation, there are therefore also some escalator step collapse protectors on the market, which are mainly equipped with action switches and detectors at the lower end of the steps, whether the steps collapse or break is detected through the detector, and once the condition happens, the action switch connected with the detector controls the elevator to stop, so that accidents are avoided. However, when the end of the escalator collapses, if the control switch or the detector does not react timely, the escalator does not stop in time, pedestrians are clamped in the collapsed steps and easily collide with the comb teeth at the upper end and the lower end, and if the end steps break, the pedestrians easily fall into the escalator, so that accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic staircase tip prevents step device that sinks, the device simple structure, simple to operate takes place the step at the automatic staircase tip and sinks or when splitting, can in time prop up the step, avoids the emergence of accident.

The utility model discloses a realize through following technical scheme:

the anti-collapse step at the end part of the escalator comprises a support and a support plate, wherein two ends of the support are bent in opposite directions to form a transverse Z-shaped structure, and the bottom of the support is fixedly arranged at a side plate in front of comb teeth at the upper end part and the lower end part of the escalator; the support plate is fixedly connected with the outer side of the top end of the support, and the support plate is made of a non-metal material.

Through the technical scheme, the utility model discloses can realize before automatic escalator tip step gets into the broach, if just take place the step and subside or split, but the staircase is still when moving, and the step can in time be supported to the backup pad, prevents that the pedestrian from because of the step sinks or the fracture collides with the broach, avoids accident's emergence, improves the security and the stability of staircase.

Preferably, the upper end and the lower end of the support are provided with screw holes, and the bottom of the support is fixedly arranged at a side plate in front of the comb teeth at the upper end and the lower end of the escalator through bolts.

Preferably, the upward bending part of the bracket is provided with a reinforcing rib, the section of the reinforcing rib is in a right trapezoid shape, and the reinforcing rib is vertically and fixedly arranged on two upward bending sides of the bracket. Through setting up the strengthening rib, can increase the bearing capacity of support.

Preferably, a support rod is arranged at the upper end of the support, the support rod is cuboid, and one side surface of the support rod in the axial direction is fixedly connected below a screw hole at the upper end of the support. The supporting rod is arranged at the upper end of the support, so that the fixed supporting plate can be supported, the contact area between the support and the supporting plate is increased, and the bearing capacity of the supporting plate is improved.

Preferably, as above-mentioned technical scheme, the backup pad is cuboid platelike structure, and its top both sides are the fillet, the bottom be equipped with the corresponding screw in support upper end is fixed in the support upper end through bolted connection.

Preferably, the distance between the top of the support plate and the vertical plane of the step is 6-8 mm. The gap between the top of the support plate and the step can ensure that the support plate cannot collide with the step during the daily operation of the escalator, and meanwhile, when the step sinks, the support plate can timely support the step, so that the step sinks insignificantly, and the possibility that pedestrians cannot collide with the comb teeth is reduced.

Preferably, the supporting plate is made of polyurethane, has high strength and good wear resistance, is not easy to crack, and can avoid secondary cutting damage to the step when contacting with the metal surface of the step.

Drawings

Fig. 1 is an installation schematic diagram of the escalator end anti-step collapse device of the present invention;

FIG. 2 is an enlarged detail view of area A of FIG. 1;

FIG. 3 is a right side view of area A of FIG. 1;

fig. 4 is a schematic structural view of the bracket of the present invention;

fig. 5 is a schematic structural diagram of the support plate of the present invention.

Wherein, 1-an anti-collapse device; 2-end side plate; 3-step; 4-comb teeth; 5-a drive sprocket; 11-a scaffold; 12-a support bar; 111-reinforcing ribs; 112-support bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specification, but the described embodiments are only some embodiments of the present invention, not all embodiments, and the scope of the present invention is not limited thereto.

Referring to fig. 1-4, the present invention provides an escalator end anti-step collapse device, the anti-collapse device 1 includes a support 11 and a support plate 12, two ends of the support 11 are bent in opposite directions to form a transverse Z-shaped structure, and the bottom of the support is fixedly mounted on an end side plate 2 in front of upper and lower end comb teeth 4 of the escalator; the supporting plate 12 is fixedly connected with the outer side of the top end of the bracket 11. As shown in fig. 1 and 3, the end of the escalator includes an end side plate 2, steps 3, comb teeth 4, and a driving sprocket 5, the driving sprocket 5 is fixed on the end side plate 2, the comb teeth 4 are located above the driving sprocket 5 and the steps 3, and the steps 3 are driven by the driving sprocket 5 to pass through the comb teeth 4 and enter and exit the end. As shown in figure 2, the device is arranged at the lower part of the end part side plate 2, when the step 3 in front of the comb teeth 4 collapses or breaks, the support plate 12 can support the step 3 in time, thereby preventing pedestrians from being clamped into the step break to collide with the comb teeth 3 and avoiding accidents.

Specifically, referring to fig. 2 and 4, in the present embodiment, the bracket 11 includes a bracket body 11, a reinforcing rib 111 and a supporting rod 112, and both upper and lower ends of the bracket 11 are provided with screw holes, and the bottom of the bracket 11 is fixedly mounted at the end side plate 3 through bolts; the reinforcing ribs 111 are arranged at the upward bending part of the bracket 11, the cross sections of the reinforcing ribs are right-angled trapezoids, and the reinforcing ribs are vertically and fixedly connected to the two upward bending sides of the bracket 11, so that the bearing capacity and strength of the bracket 11 are increased under the condition that the thickness of the bracket 11 is not increased, and the stability of the bracket 1 is improved; the support rod 112 is a rectangular parallelepiped and is fixedly connected below the screw hole at the upper end of the support 11 along one axial side to support and fix the support plate 12, so that the contact area between the support 11 and the support plate 12 is increased, and when the support plate 12 is pressed by the step sinking, the stress can be better transmitted, the bearing pressure of the support plate 12 is improved, and the stability between the support 11 and the support plate 12 is improved.

Specifically, referring to fig. 2 and 5, in the present embodiment, the support plate 12 is a rectangular parallelepiped plate-shaped structure, two sides of the top of the support plate are rounded, and the bottom of the support plate is provided with a screw hole corresponding to the upper end of the bracket 11 and is fixedly connected to the upper end of the bracket 11 through a bolt; the distance between the top of the support plate 12 and the vertical surface of the step is 6-8 mm, so that when the support plate 2 does not collide with the step in the daily operation of the escalator, the step can be supported in time when sinking or breaking occurs, the step does not sink obviously, and pedestrians cannot collide with comb teeth.

Furthermore, the supporting plate is made of a polyurethane material, is high in strength, good in wear resistance and not prone to cracking, and can well avoid secondary cutting damage to the step when contacting with metal surfaces such as the step.

To sum up, the utility model provides a pair of escalator tip prevents step device structure that sinks is comparatively stable, simple to operate, when the escalator tip takes place that the step sinks or splits, and step can in time be supported to backup pad 12, guarantees pedestrian's safety, avoids accident's emergence, improves the security and the stability of staircase.

The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.

Claims (7)

1. The device for preventing the end part of the escalator from collapsing is characterized by comprising a support and a support plate, wherein two ends of the support are bent in opposite directions to form a transverse Z-shaped structure, and the bottom of the support is fixedly arranged at a side plate in front of comb teeth at the upper end part and the lower end part of the escalator; the support plate is fixedly connected with the outer side of the top end of the support, and the support plate is made of a non-metal material.

2. The escalator end step collapse prevention device as claimed in claim 1, wherein the supports are provided with screw holes at both upper and lower ends thereof, and the bottom ends of the supports are fixedly mounted at the side plates in front of the comb teeth at the upper and lower ends of the escalator by bolts.

3. The escalator end step collapse prevention device as claimed in claim 2, wherein the upward bending part of the support is provided with a reinforcing rib, the section of the reinforcing rib is in a right trapezoid shape, and the reinforcing rib is vertically and fixedly arranged at two upward bending sides of the support.

4. The escalator end step collapse prevention device according to claim 2, wherein a support rod is provided at the upper end of the support, and the support rod is rectangular and is fixedly connected to a side surface in the axial direction below the screw hole at the outer side of the upper end of the support.

5. The escalator end step collapse prevention device as claimed in claim 2, wherein the support plate is a rectangular plate-shaped structure, the two sides of the top of the support plate are rounded corners, the bottom of the support plate is provided with screw holes corresponding to the upper end of the support, and the support plate is fixed to the upper end of the support through bolt connection.

6. The escalator end step collapse prevention device according to claim 1, wherein the distance between the top of the support plate and the vertical plane of the step is 6-8 mm.

7. The escalator end step collapse prevention device according to claim 1, wherein said support plates are made of polyurethane.

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