CN209988937U - Staircase safety device and staircase - Google Patents
Staircase safety device and staircase Download PDFInfo
- Publication number
- CN209988937U CN209988937U CN201920794818.3U CN201920794818U CN209988937U CN 209988937 U CN209988937 U CN 209988937U CN 201920794818 U CN201920794818 U CN 201920794818U CN 209988937 U CN209988937 U CN 209988937U
- Authority
- CN
- China
- Prior art keywords
- escalator
- comb plate
- pair
- safety device
- link plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses an staircase safety device, include: the connecting device is used for connecting the comb plate of the escalator to the step chain of the escalator, so that the comb plate is linked with the step chain; the safety switch is arranged near the comb plate; and the control device is used for controlling the starting and stopping of the escalator. When the escalator is started accidentally, the step chain drives the comb plate to move to a triggering position so as to trigger the safety switch; when the safety switch is triggered, the control device controls the escalator to stop immediately, so that the life safety of escalator maintainers can be effectively protected, and the safety of the escalator is improved.
Description
Technical Field
The utility model relates to an staircase safety device and including this staircase safety device's staircase.
Background
A plurality of parts are arranged inside the upper driving side plate device of the escalator. If the escalator needs to be subjected to operation testing, friction wheel replacement, handrail driving inspection or comb plate adjustment and the like, workers need to disassemble the steps and stand in the space between the steps and the comb plate, so that the observation, maintenance, part replacement and other work can be conveniently finished. On the other hand, however, it is very dangerous for workers to work while standing in this position. In recent years, many serious accidents have occurred in this area. During the maintenance process, the escalator is misoperated (started). If this happens, it will be fatal. The overhaul workers can be extruded or sheared by the steps and the comb plate, and serious casualty accidents are caused. Although many safety measures have been required to be performed, such as the use of a safety switch, the cut-off of power or a safety pin, etc., such fatal accidents still occur occasionally. The main reason is that communication between the service personnel may be problematic, and the person turning on the escalator may not know that there are other service personnel being driven. It is not clear to the person working in this space that someone will open the escalator.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.
According to an aspect of the utility model, a provide an staircase safety device, include: the connecting device is used for connecting the comb plate of the escalator to the step chain of the escalator, so that the comb plate is linked with the step chain; the safety switch is arranged near the comb plate; and the control device is used for controlling the starting and stopping of the escalator. When the escalator is started accidentally, the step chain drives the comb plate to move to a triggering position so as to trigger the safety switch; when the safety switch is triggered, the control device controls the escalator to stop immediately.
According to an exemplary embodiment of the present invention, the escalator safety device further comprises a mechanical stop device mounted on the truss of the escalator; when the comb plate moves to a position contacting with the mechanical limiting device, the mechanical limiting device prevents the comb plate from moving continuously so as to force the escalator to stop.
According to another exemplary embodiment of the invention, the connecting device is adapted to be detachably connected to the step chain and the comb plate of the escalator.
According to another exemplary embodiment of the invention, the connecting device is adapted to connect one link unit of a step chain of the escalator to a comb plate of the escalator.
According to another exemplary embodiment of the invention, the link unit comprises a pair of inner link plates and a pair of outer link plates, the connecting device being adapted to connect the pair of inner link plates and/or the pair of outer link plates of the link unit to the comb plate of the escalator.
According to another exemplary embodiment of the present invention, the connecting device comprises two sets of connecting members, the pair of inner link plates and the pair of outer link plates of the link unit are connected to the comb plate of the escalator through one set of connecting members, respectively.
According to another exemplary embodiment of the present invention, each set of the connecting assembly includes a first connecting member and a second connecting member, the first connecting member is connected to the comb plate, the second connecting member is connected to the pair of inner link plates or the pair of outer link plates, the lower end of the first connecting member is connected to one end of the second connecting member.
According to another exemplary embodiment of the present invention, the upper end of the first connector is adapted to be screwed into a threaded hole on the comb plate.
According to another exemplary embodiment of the present invention, the second connecting member includes a screw passing through the pair of inner link plates or the pair of outer link plates and fixed to the pair of inner link plates or the pair of outer link plates by a pair of nuts threadedly coupled to the screw.
According to another exemplary embodiment of the present invention, the second connecting member further comprises a ring-shaped end portion located at one end of the screw, a hole or a threaded hole being formed on the ring-shaped end portion, and the lower end of the first connecting member is adapted to be inserted into the hole or threaded into the threaded hole of the ring-shaped end portion.
According to another exemplary embodiment of the invention, the first connecting member is rod-shaped and extends in a vertical direction perpendicular to the comb plate; the screw of the second connecting piece extends along the horizontal direction vertical to the first connecting piece.
According to another aspect of the utility model, a staircase is provided, including aforementioned staircase safety device.
In each of the foregoing exemplary embodiments according to the present invention, the comb plate of the escalator is connected to the step chain of the escalator with the connecting device, so that the comb plate is linked with the step chain. Therefore, once the escalator is started accidentally, the step chain drives the comb plate to move together, and the movement of the comb plate triggers the safety switch to stop the escalator, so that the life safety of escalator maintainers can be effectively protected, and the safety of the escalator is improved.
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Drawings
Figure 1 shows a schematic perspective view of an escalator according to an exemplary embodiment of the present invention;
fig. 2 shows a schematic perspective view from one side of a connecting device of an escalator safety device according to an exemplary embodiment of the invention;
fig. 3 shows a schematic perspective view of a connecting device of an escalator safety device according to an exemplary embodiment of the invention, viewed from the bottom side;
fig. 4 shows a front view of a connecting device of an escalator safety device according to an exemplary embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to the utility model discloses a general technical concept provides an staircase safety device, include: the connecting device is used for connecting the comb plate of the escalator to the step chain of the escalator, so that the comb plate is linked with the step chain; the safety switch is arranged near the comb plate; and the control device is used for controlling the starting and stopping of the escalator. When the escalator is started accidentally, the step chain drives the comb plate to move to a triggering position so as to trigger the safety switch; when the safety switch is triggered, the control device controls the escalator to stop immediately.
Fig. 1 shows a schematic perspective view of an escalator according to an exemplary embodiment of the present invention. Fig. 2 shows a perspective view of a connecting device of an escalator safety device according to an exemplary embodiment of the present invention, viewed from one side.
As shown in fig. 1 and 2, in the illustrated embodiment, the escalator safety device mainly includes: connection devices 410, 420, 430, safety switches (not shown) and control devices (not shown). The connecting means 410, 420, 430 are used to connect the comb plate 100 of the escalator to the step chain 300 of the escalator, so that the comb plate 100 is linked with the step chain 300. The safety switch is disposed near the comb plate 100. The control device is used for controlling the starting and stopping of the escalator.
As shown in fig. 1 and 2, in the illustrated embodiment, since the comb plate 100 of the escalator is connected to the step chain 300 of the escalator, when the escalator is accidentally activated, the step chain 300 moves the comb plate 100 to the triggering position. At this point, the comb plate 100 triggers a safety switch. Once the safety switch is triggered, the control device controls the escalator to stop immediately.
Fig. 3 shows a schematic perspective view of a connecting device of an escalator safety device according to an exemplary embodiment of the invention, viewed from the bottom side; fig. 4 shows a front view of a connecting device of an escalator safety device according to an exemplary embodiment of the present invention.
As shown in fig. 1-4, in the illustrated embodiment, the escalator safety device further includes a mechanical stop device (not shown) mounted on the truss of the escalator. When the comb plate 100 moves to a position in contact with the mechanical stop, the mechanical stop prevents the comb plate 100 from continuing to move to force the escalator to stop.
As shown in fig. 1-4, in the illustrated embodiment, the attachment devices 410, 420, 430 are adapted to be removably attached to the step chain 300 and the combplate 100 of the escalator. Thus, the maintenance personnel can conveniently disassemble and assemble the device on the spot.
As shown in fig. 1-4, in the illustrated embodiment, the connection devices 410, 420, 430 are used to connect one link unit of the step chain 300 of the escalator to the comb plate 100 of the escalator.
As shown in fig. 1 to 4, in the illustrated embodiment, the aforementioned link unit includes a pair of inner link plates 310 and a pair of outer link plates 320. The connecting means 410, 420, 430 are used to connect the pair of inner link plates 310 and/or the pair of outer link plates 320 of the link unit to the comb plate 100 of the escalator.
As shown in fig. 1-4, in the illustrated embodiment, the connection devices 410, 420, 430 include two sets of connection assemblies. The pair of inner link plates 310 and the pair of outer link plates 320 of the link unit are connected to the comb plate 100 of the escalator by a set of connecting members, respectively.
As shown in fig. 1-4, in the illustrated embodiment, each set of linkage assemblies includes a first linkage 410 and a second linkage 420. The first link member 410 is connected to the comb plate 100, and the second link member 420 is connected to the pair of inner link plates 310 or the pair of outer link plates 320. The lower end of the first connector 410 is connected to one end of the second connector 420.
As shown in fig. 1-4, in the illustrated embodiment, the upper end of the first connector 410 is adapted to be threaded into a threaded hole on the comb plate 100. The second connector 420 includes a screw 421. The screw 421 penetrates the pair of inner link plates 310 or the pair of outer link plates 320 and is fixed to the pair of inner link plates 310 or the pair of outer link plates 320 by a pair of nuts 430 threadedly coupled to the screw 421.
As shown in fig. 1-4, in the illustrated embodiment, the second connector 420 further includes a bail-shaped end 422 at one end of the screw 421. A socket or threaded hole is formed in the ring-shaped end 422. The lower end of the first connector 410 is adapted to be inserted into an insertion hole of the sling-like end 422 or threaded into a threaded hole of the sling-like end 422.
As shown in fig. 1 to 4, in the illustrated embodiment, the first connector 410 has a bar shape and extends in a vertical direction perpendicular to the comb plate 100; the screw 421 of the second link 420 extends in a horizontal direction perpendicular to the first link 410.
In another exemplary embodiment of the present invention, an escalator is also disclosed, comprising the above-mentioned escalator safety device.
In an embodiment of the present invention, when entering the space between the comb plate 100 and the step 200 shown in fig. 1, the maintenance worker connects the comb plate 100 of the escalator to the step chain 300 of the escalator by using the aforementioned connecting devices 410, 420, and 430, and then enters the space between the comb plate 100 and the step 200 to perform maintenance work. After the maintenance work is completed, the maintenance worker leaves the space between the comb plate 100 and the steps 200 and removes the aforementioned connecting devices 410, 420, 430 so that the escalator can be normally started.
It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.
Claims (12)
1. An escalator safety device, comprising:
a connecting device (410, 420, 430) for connecting a comb plate (100) of an escalator to a step chain (300) of the escalator, such that the comb plate (100) is interlocked with the step chain (300);
a safety switch disposed adjacent to the comb plate (100); and
a control device for controlling the starting and stopping of the escalator,
when the escalator is started accidentally, the step chain (300) drives the comb plate (100) to move to a triggering position to trigger the safety switch,
when the safety switch is triggered, the control device controls the escalator to stop immediately.
2. An escalator safety device according to claim 1, characterized in that:
the escalator safety device also comprises a mechanical limiting device arranged on a truss of the escalator,
when the comb plate (100) moves to a position contacting with the mechanical limiting device, the mechanical limiting device prevents the comb plate (100) from moving continuously to force the escalator to stop.
3. An escalator safety device according to claim 1 or 2, characterized in that:
the connecting means (410, 420, 430) is adapted to be detachably connected to the step chain (300) and the comb plate (100) of the escalator.
4. An escalator safety device according to claim 3, wherein:
the connecting device (410, 420, 430) is used for connecting one link unit of a step chain (300) of the escalator to a comb plate (100) of the escalator.
5. An escalator safety device according to claim 4, wherein:
the link unit comprises a pair of inner link plates (310) and a pair of outer link plates (320), and the connecting means (410, 420, 430) is used to connect the pair of inner link plates (310) and/or the pair of outer link plates (320) of the link unit to the comb plate (100) of the escalator.
6. An escalator safety device according to claim 5, characterized in that:
the connecting device (410, 420, 430) comprises two sets of connecting members, and a pair of inner chain plates (310) and a pair of outer chain plates (320) of the chain link unit are respectively connected to the comb plate (100) of the escalator through one set of connecting members.
7. An escalator safety device according to claim 6, characterized in that:
each set of the connecting assembly includes a first connecting member (410) and a second connecting member (420), the first connecting member (410) is connected to the comb plate (100), the second connecting member (420) is connected to the pair of inner link plates (310) or the pair of outer link plates (320), and a lower end of the first connecting member (410) is connected with one end of the second connecting member (420).
8. An escalator safety device according to claim 7, wherein:
the upper end of the first connector (410) is adapted to be threaded into a threaded hole on the comb plate (100).
9. An escalator safety device according to claim 8, wherein:
the second link member (420) includes a screw (421), and the screw (421) passes through the pair of inner link plates (310) or the pair of outer link plates (320) and is fixed to the pair of inner link plates (310) or the pair of outer link plates (320) by a pair of nuts (430) threadedly coupled to the screw (421).
10. An escalator safety device according to claim 9, wherein:
the second connecting piece (420) also comprises a hanging ring-shaped end part (422) positioned at one end of the screw rod (421), a jack or a threaded hole is formed on the hanging ring-shaped end part (422),
the lower end of the first connector (410) is adapted to be inserted into an insert hole of the eyelet-shaped end (422) or screwed into a threaded hole of the eyelet-shaped end (422).
11. An escalator safety device according to claim 10, wherein:
the first connecting piece (410) is rod-shaped and extends in a vertical direction perpendicular to the comb plate (100);
the screw (421) of the second connecting piece (420) extends along the horizontal direction vertical to the first connecting piece (410).
12. An escalator, characterized in that it comprises an escalator safety device according to any one of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920794818.3U CN209988937U (en) | 2019-05-30 | 2019-05-30 | Staircase safety device and staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920794818.3U CN209988937U (en) | 2019-05-30 | 2019-05-30 | Staircase safety device and staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209988937U true CN209988937U (en) | 2020-01-24 |
Family
ID=69295983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920794818.3U Active CN209988937U (en) | 2019-05-30 | 2019-05-30 | Staircase safety device and staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209988937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077946A (en) * | 2019-05-30 | 2019-08-02 | 迅达（中国）电梯有限公司 | Staircase safety device and staircase |
-
2019
- 2019-05-30 CN CN201920794818.3U patent/CN209988937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077946A (en) * | 2019-05-30 | 2019-08-02 | 迅达（中国）电梯有限公司 | Staircase safety device and staircase |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209988937U (en) | Staircase safety device and staircase | |
| CN202177376U (en) | Tower type crane stock gradient monitoring devices | |
| CN112942790A (en) | Cantilever climbing device and construction method of cantilever structure | |
| CN205312854U (en) | Elevator apron safety device of system | |
| US20140191171A1 (en) | Lawn mower lifting machine | |
| CN204847694U (en) | Telescopic safety barrier of elevator cab | |
| CN208378167U (en) | Protective device is jumped on a kind of stair step | |
| CN204138075U (en) | Building hoist guide rail bracket safe early warning and control setup | |
| CN101891090B (en) | Lower limit anti-collision device of special elevator of stepped fan drum | |
| CN205076652U (en) | Automatic rail guard of staircase | |
| CN204898616U (en) | Hanging flower basket device is overhauld in scalable slip of gate slot | |
| CN204569054U (en) | A kind of elevator car top guard shield | |
| CN110077946A (en) | Staircase safety device and staircase | |
| EP3464149A1 (en) | Floor covering of a passenger conveyor | |
| CN106542112A (en) | A kind of connecting bridge lifting column monitors unexpected retraction locking system | |
| CN212292465U (en) | Switch protection mechanism for escalator floor plate | |
| CN104176585B (en) | Building hoist guide rail frame safe early warning and control device | |
| CN108298418B (en) | Cover plate safety detection device for escalator or moving pavement | |
| CN211310746U (en) | Fault detection device for elevator maintenance | |
| CN217148352U (en) | Steel wire rope groove-disengaging alarm device for bridge crane | |
| CN218174597U (en) | Height limiting device and climbing vehicle | |
| CN219412249U (en) | Mechanical automatic anti-falling device | |
| KR200180821Y1 (en) | Device of alarm for overhead crane | |
| CN219636844U (en) | Safety device for lift truck | |
| CN212740371U (en) | Escalator end anti-step collapse device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |