CN212076126U - Step protection device and escalator - Google Patents

Abstract

The utility model provides a step protection device and automatic escalator, this step protection device include connecting portion and spacing portion, and auxiliary wheel axle or support frame and spacing portion are connected respectively to connecting portion, and the position that says with the guide rail limits between auxiliary wheel and spacing portion, receives the foreign matter influence when automatic escalator, and when the step upwards encircleed, spacing portion can receive the blockking of guide rail way, can restrict the step and take place unexpected motion to the direction of perpendicular to guide rail way to eliminate the step and arch and even the phenomenon of upset.

Description

Step protection device and escalator

Technical Field

The utility model relates to an automatic escalator safety technical field, in particular to step protection device and automatic escalator.

Background

The escalator becomes an important part of daily trips of people in cities, and the safety of the escalator is an indispensable ring for urban operation safety. The escalator brings convenience, and meanwhile, accidents are increased continuously. The functions and characteristics of the escalator determine that most of the escalator is installed in places with concentrated people flow, such as shopping malls, supermarkets, subway stations and the like, once an accident occurs, the exposure rate of media is high, and the social influence is serious. Although the accident mortality of the escalator is lower than that of the elevator, the injury to the wounded and the social influence caused by the accident are very serious. The escalator step has the main reason that the arching fault is generated at any time during the operation, and the main reason is that the articles (such as coins, screws, keys and the like) of passengers fall on the step, so that the step and the comb plate cannot be correctly meshed, the arching accident is generated on the step, and further the overturning of the escalator step is possibly generated, and the casualties are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a step protection device and automatic escalator for automatic escalator receives the foreign matter influence to take place the problem that the step arch-up overturns even among the solution prior art.

In order to solve the above problems, the present invention provides a step protection device for limiting an unexpected movement of a step along a direction perpendicular to a guide rail, where the guide rail includes two support frames, a pedal and a kickplate, one of the edges of the pedal is connected to one of the edges of the kickplate, an included angle is formed between a plane where the pedal is located and a plane where the kickplate is located, and any one of the support frames is respectively and fixedly connected to the pedal and the kickplate;

an auxiliary wheel shaft is arranged at a position, far away from the pedal and close to the kickplate, of any one support frame, the auxiliary wheel extends in the direction far away from the pedal and the kickplate axially, an auxiliary wheel is sleeved at the tail end of the auxiliary wheel, the two auxiliary wheels are respectively attached to the two guide rails, and the step moves on the guide rails along the extending direction of the step through the auxiliary wheels;

the step protection device comprises a connecting part and a limiting part, the connecting part is connected to the auxiliary wheel shaft or the supporting frame and extends in the direction far away from the pedal, and the limiting part is connected with the connecting part and extends in the direction close to the guide rail, so that the guide rail is located between the auxiliary wheel and the limiting part.

Further, a gap exists between the limiting part and the guide rail.

Further, the size of the gap is 6 mm.

Furthermore, the connecting part is detachably connected with the auxiliary wheel shaft or the supporting frame.

Further, the connecting part is connected with the auxiliary wheel shaft or the supporting frame in a threaded connection mode.

Furthermore, the connecting part is fixedly connected with the auxiliary wheel shaft or the supporting frame, and the limiting part is detachably connected with the connecting part.

Further, the connecting part and the limiting part are made of stainless steel materials.

Furthermore, the connecting part is of a column structure, and the limiting part is of a column structure.

Further, the limiting part is parallel to the guide rail.

In order to solve the problems, the utility model also provides an escalator, which comprises a plurality of steps, a step chain and two guide rails, wherein the step chain comprises two chains and a plurality of step shafts, two ends of any one step shaft are respectively connected with the two chains, and the guide rails and the step chain are installed along the running track of the steps in an extending way;

install on the step as above-mentioned arbitrary step protection device, any one of the step the position of keeping away from the footboard and keeping away from the kickplate in the support frame is equipped with a main wheel support, the main wheel support is groove structure, and groove structure's opening orientation is kept away from the direction of footboard, one of them step axle inlay card in the recess of main wheel support, the auxiliary wheel of step is hugged closely the guide rail and is followed the direction of guide rail slides, the guide rail be located the auxiliary wheel with between the spacing portion.

Therefore, the utility model discloses a step protection device, including connecting portion and spacing portion, connecting portion connect respectively auxiliary wheel axle or support frame with spacing portion will the position of guide rail way restrict in the auxiliary wheel with between the spacing portion, when the escalator received the foreign matter influence, when the step upwards encircleed, spacing portion can restrict the step and take place unexpected motion to the direction of perpendicular to guide rail way, thereby eliminate the step is encircleed and even the phenomenon of upset. The utility model also provides an automatic staircase.

Drawings

FIG. 1 is a step structure of the first embodiment;

FIG. 2 is a block diagram of a step protector according to a first embodiment;

FIG. 3 is a block diagram of another step protector according to the first embodiment;

FIG. 4 is a view of the step assembly of the first embodiment;

fig. 5 is a partial view of an escalator according to a second embodiment;

FIG. 6 is a view of the step chain structure;

in fig. 1-6, 100-pedal, 200-kick plate, 300-support frame, 410-auxiliary wheel, 420-auxiliary wheel shaft, 430-step protection device, 431-connecting part, 432-limiting part, 500-main wheel support, 600-guide rail, 700-step chain, 720-chain, 730-step shaft.

Detailed Description

The step protection device and the escalator provided by the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

With reference to fig. 1-4, the present invention provides a step protection device for limiting an unexpected movement of a step along a direction perpendicular to a guide track 600, where the guide track 600 includes two steps, the step includes two support frames 300, a tread 100 and a kick plate 200, one of the edges of the tread 100 is connected to one of the edges of the kick plate 200, an included angle is formed between a plane where the tread 100 is located and a plane where the kick plate 200 is located (i.e. the tread 100 and the kick plate 200 are maintained at different angles, and the included angle is preferably 60 ° to 90 °), any one of the support frames 300 is fixedly connected to the tread 100 and the kick plate 200, respectively, the support frame 300 can play a role of reinforcing a step structure, and its specific structure can refer to fig. 1;

an auxiliary wheel shaft 420 is arranged at a position, far away from the pedal 100 and close to the kickplate 200, of any one of the support frames 300, the auxiliary wheel shaft 420 extends in a direction far away from the pedal 100 and the kickplate 200, an auxiliary wheel 410 is sleeved at the tail end of the auxiliary wheel shaft, the two auxiliary wheels 410 are respectively attached to the two guide rails 600, and the stairs move on the guide rails 600 along the extending direction of the stairs through the auxiliary wheels 410;

the step protection device 430 comprises a connecting portion 431 and a limiting portion 432, the connecting portion 431 is connected to the auxiliary wheel shaft 420 or the support frame 300 and extends in a direction far away from the pedal 100, the limiting portion 432 is connected with the connecting portion 431 and extends in a direction close to the guide rail 600, so that the guide rail 600 is located between the auxiliary wheel 410 and the limiting portion 432, when the steps arch up and the like, the whole step can move in a direction far away from the guide rail 600, meanwhile, the limiting portion 432 can also move in a direction towards the guide rail 600 and is blocked by the guide rail 600, and therefore the whole step is prevented from popping out of the guide rail 600 and returning to a working position, and the fault of the whole escalator is avoided.

As can be seen from fig. 2 and 3, the connection portion 431 is connected to the support frame 300 or the auxiliary axle 420. When the connection part 431 is connected to the supporting frame 300, the limit part 432 is too long and easily affects other structures or devices inside the escalator, and therefore, it is preferable that the connection part 431 is connected to the auxiliary wheel shaft 420.

In order to eliminate friction of the stopper portion 432 against the guide rail 600, a gap may exist between the stopper portion 432 and the guide rail 600. Of course, an excessive clearance may allow the step protector 430 to take up more space and also may allow the step to arch too far to return to its operating position, preferably the clearance may be 6 mm.

For the convenience of installation, the connection portion 431 may be detachably connected to the auxiliary axle 420 or the supporting bracket 300. After the auxiliary wheel 410 is tightly attached to the guide rail 600, the connection portion 431 of the step protector 430 is detachably connected to the auxiliary wheel shaft 420 or the support frame 300, and this connection manner also facilitates subsequent maintenance of the step protector 430.

Further, the connecting portion 431 may be connected to the auxiliary axle 420 or the supporting frame 300 by a screw connection, and the connecting portion may be detachably mounted by a rotation limiting portion 432. Of course, the connecting portion 431 may also be fixedly connected to the auxiliary axle 420 or the supporting frame 300, and the limiting portion 432 may be detachably connected to the connecting portion 431, which may also facilitate installation and detachment.

It will be understood by those skilled in the art that when the steps are arched, the step protectors 430 are subject to the resistance of the track 600 and the tension of the steps, and the step protectors 430 may be made of a material having a certain rigidity to prevent breakage, preferably a stainless steel material.

In addition, the connection part 431 may be in a column structure, the limiting part 432 may be in a column structure, and the limiting part 432 is parallel to the guide rail 600, so that when the limiting part 432 is blocked by the guide rail 600, the resistance on the guide rail 600 may be uniformly distributed on the limiting part 432, and the damage of the limiting part 432 to the guide rail 600 may be reduced.

Referring to fig. 5, the present embodiment also provides an escalator including steps, one step 700, and two guide rails 600. As shown in fig. 6, the step chain 700 includes two chains 720 and a plurality of step shafts 710, two ends of any one of the step shafts 710 are respectively connected to the two chains 720, and the guide track 600 and the step chain 700 are installed to extend along the movement track of the steps; install step protection device 430 on the step, any one of step keep away from in the support frame 300 footboard 100 and keep away from the position of kickplate 200 and be equipped with a main wheel support 500, main wheel support 500 is groove structure, and groove structure's opening orientation is kept away from the direction of footboard 100, one of them step axle 710 inlay card in the recess of main wheel support 500, the auxiliary wheel 410 of step is hugged closely guide rail 600 and is followed guide rail 600's direction slides, guide rail 600 is located auxiliary wheel 410 with between spacing portion 432.

To sum up, the utility model discloses a step protection device, including connecting portion and spacing portion, connecting portion connect respectively auxiliary wheel axle or support frame with spacing portion will the position of guide rail way restrict in the auxiliary wheel with between the spacing portion, when the escalator received the foreign matter influence, the step upwards when encircleing, spacing portion can restrict the step and remove to the direction of perpendicular to guide rail way, thereby eliminates the step is encircleed and is even the phenomenon of upset. The utility model also provides an automatic staircase.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A step protection device is used for limiting unexpected movement of a step along a direction vertical to a guide rail, the guide rail comprises two steps, each step comprises two support frames, a pedal and a kickplate, one edge of each pedal is connected with one edge of each kickplate, an included angle is formed between the plane where the pedal is located and the plane where the kickplates are located, and any one support frame is fixedly connected with the pedal and the kickplate respectively;

an auxiliary wheel shaft is arranged at a position, far away from the pedal and close to the kickplate, of any one support frame, the auxiliary wheel extends in the direction far away from the pedal and the kickplate axially, an auxiliary wheel is sleeved at the tail end of the auxiliary wheel, the two auxiliary wheels are respectively attached to the two guide rails, and the step moves on the guide rails along the extending direction of the step through the auxiliary wheels;

the stair protection device is characterized by comprising a connecting part and a limiting part, wherein the connecting part is connected to the auxiliary wheel shaft or the supporting frame and extends in the direction far away from the pedal, and the limiting part is connected with the connecting part and extends in the direction close to the guide rail, so that the guide rail is positioned between the auxiliary wheel and the limiting part.

2. The step guard of claim 1, wherein a gap exists between the restraint portion and the guide track.

3. The step guard of claim 2, wherein the gap is 6mm in size.

4. The step protector of claim 1, wherein the attachment portion is removably attached to the secondary axle or the support bracket.

5. The step protector of claim 4, wherein the attachment portion is threadably connected to the secondary axle or the support bracket.

6. The step protector of claim 1, wherein the attachment portion is fixedly attached to the idler shaft or the support bracket, and the restraint portion is removably attached to the attachment portion.

7. The step protector of claim 1, wherein the connecting portion and the restraint portion are made of a stainless steel material.

8. The step protector of claim 1, wherein the connecting portion is shaped as a post structure and the restraint portion is shaped as a post structure.

9. The step guard of claim 8, wherein the restraint portion is parallel to the guide track.

10. An escalator comprises a plurality of steps, a step chain and two guide rails, wherein the step chain comprises two chains and a plurality of step shafts, two ends of any one step shaft are respectively connected with the two chains, and the guide rails and the step chain are installed along the running track of the steps in an extending mode;

the stair protection device is characterized in that the stair is provided with the stair protection device as claimed in any one of claims 1 to 9, a main wheel support is arranged at a position, far away from the pedal and far away from the kickplate, of any one of the support frames of the stair, the main wheel support is of a groove structure, an opening of the groove structure faces the direction far away from the pedal, one stair shaft is clamped in a groove of the main wheel support, an auxiliary wheel of the stair clings to the guide rail and slides along the direction of the guide rail, and the guide rail is located between the auxiliary wheel and the limiting part.

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