CN210140366U - Step collapse safety protection device and escalator - Google Patents
Step collapse safety protection device and escalator Download PDFInfo
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- CN210140366U CN210140366U CN201920286165.8U CN201920286165U CN210140366U CN 210140366 U CN210140366 U CN 210140366U CN 201920286165 U CN201920286165 U CN 201920286165U CN 210140366 U CN210140366 U CN 210140366U
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Abstract
The utility model discloses a step safety arrangement and staircase that sinks, step safety arrangement that sinks includes: at least one pair of safety touch switches, wherein each pair of safety touch switches is respectively arranged on two truss beams at the inlet and the outlet of the escalator; the movable bracket is arranged above the safety touch switch and can trigger the safety touch switch by moving the movable bracket downwards; the spring is arranged below the movable support and used for elastically supporting the movable support on the truss cross beam; and a rope, the two ends of which are respectively fixed on the two truss beams at the entrance and the exit of the escalator, and the rope can drive the movable bracket to move downwards under the pushing of the collapsed step so as to trigger the safety trigger switch. Therefore, the step collapse at any position between the entrance and the exit of the escalator can be timely detected by the rope, and the safety trigger switch can be timely triggered by the rope, so that the escalator can be timely stopped, and the use safety of the escalator is improved.
Description
Technical Field
The utility model relates to a step safety arrangement that sinks and including this step safety arrangement's staircase that sinks.
Background
In the prior art, safety trigger switches for preventing the steps from collapsing are generally arranged at the entrance and the exit of the escalator, but the safety trigger switches for preventing the steps from collapsing are not arranged at the middle part between the entrance and the exit of the escalator. If the passengers have step collapse at the middle part of the escalator, people can fall into the escalator along with the steps, and the escalator continues to run, so that fatal danger can be caused to the passengers, and the situation also often occurs in reality.
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 step safety arrangement that sinks is provided, include: at least one pair of safety touch switches, wherein each pair of safety touch switches is respectively arranged on two truss beams at the inlet and the outlet of the escalator; the movable bracket is arranged above the safety trigger switch and can be used for triggering the safety trigger switch by moving the movable bracket downwards; a spring provided under the moving bracket for elastically supporting the moving bracket on the truss cross member; and the two ends of the rope are respectively connected to the two truss beams at the entrance and the exit of the escalator, and the rope can drive the movable bracket to move downwards under the pushing of the collapsed step so as to trigger the safety trigger switch. When the safety trigger switch is triggered, the safety trigger switch sends an escalator stop signal to the escalator controller so as to immediately brake and stop the escalator.
According to an exemplary embodiment of the present invention, the step collapse safety arrangement further comprises a fixing bracket, the fixing bracket is fixed to the truss beam, and the safety trigger switch is installed on the fixing bracket.
According to another exemplary embodiment of the present invention, the spring is provided between the moving bracket and the fixed bracket to elastically support the moving bracket on the fixed bracket.
According to another exemplary embodiment of the present invention, the step collapse safety protection device further comprises a connecting cylinder and a connecting nut, wherein the upper end of the connecting cylinder is connected to the movable bracket, the lower end of the connecting cylinder passes through the top plate of the fixed bracket, and the connecting nut is screwed onto the lower end of the connecting cylinder and is located below the top plate of the fixed bracket; the end of the rope passes through the moving bracket and the connecting cylinder and is connected to the bottom plate of the fixed bracket through a connecting piece.
According to another exemplary embodiment of the present invention, the spring sleeve is mounted on the connecting cylinder.
According to another exemplary embodiment of the present invention, the safety trigger switch is mounted to a side plate of the fixing bracket.
According to another exemplary embodiment of the present invention, the movable bracket has a horizontally disposed plate-shaped main body portion and an upwardly convex side wall portion located at one side of the plate-shaped main body portion, the side wall portion supporting an end portion of the rope.
According to another exemplary embodiment of the present invention, an upper end of the connecting cylinder is connected to the plate-shaped main body portion of the moving bracket, and an end of the rope passes through the plate-shaped main body portion and the connecting cylinder.
According to another exemplary embodiment of the present invention, the bottom plate of the fixing bracket is fixed to the truss beam by bolts.
According to another exemplary embodiment of the present invention, the main wheel of the step moves along a main wheel guide rail mounted on the truss beam, and the rope extends in a direction parallel to the main wheel guide rail.
According to another exemplary embodiment of the present invention, the step collapse safety protection device further comprises a plurality of support mechanisms, the plurality of support mechanisms are respectively installed on each truss beam between the entrance and the exit of the escalator, for supporting the rope, so that the rope with the interval between the outer edges of the steps is consistent at each truss beam.
According to another exemplary embodiment of the present invention, each of the support mechanisms comprises: a support plate on which the cord is supported; the upper end of the supporting rod is connected to the supporting plate, and the lower end of the supporting rod penetrates through a top plate of the truss beam; the supporting spring is sleeved on the supporting rod and is positioned between the supporting plate and the truss beam; and a nut screw-coupled to the lower end of the support rod and located below the top plate of the truss beam.
According to another exemplary embodiment of the present invention, a V-shaped positioning groove is formed on the support plate, and the rope is positioned in the V-shaped positioning groove on the support plate.
According to another exemplary embodiment of the present invention, the rope with the interval between the outward flange of step is within the range of 3 ~ 10 mm.
According to another aspect of the utility model, a staircase is provided, safety arrangement collapses including aforementioned step.
In according to the utility model discloses an in the aforesaid each exemplary embodiment, because the rope extends to the export from the entry of staircase, consequently, the step that takes place in the entry of staircase and arbitrary position department between the export sinks and can both be detected by the rope in time to can trigger safe touch switch through the rope in time, make the staircase can in time be stopped, improved the safety in utilization of staircase.
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 view of an escalator according to an exemplary embodiment of the invention;
figure 2 shows a cross-sectional view of the escalator shown in figure 1, taken along the direction a-a;
figure 3 shows an enlarged schematic view of zone B of the escalator shown in figure 2;
figure 4 shows an enlarged schematic view of zone C or C' of the escalator shown in figure 1;
fig. 5 shows a cross-sectional view of a step collapse safety guard according to an exemplary embodiment of the present invention;
FIG. 6 shows a perspective view of the step collapse safety guard of FIG. 5;
fig. 7 shows a perspective view of the mobile bracket and connector barrel of the step collapse safety guard shown in fig. 6.
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 a step safety arrangement that sinks, include: at least one pair of safety touch switches, wherein each pair of safety touch switches is respectively arranged on two truss beams at the inlet and the outlet of the escalator; the movable bracket is arranged above the safety trigger switch and can be used for triggering the safety trigger switch by moving the movable bracket downwards; a spring provided under the moving bracket for elastically supporting the moving bracket on the truss cross member; and a rope, two ends of which are respectively fixed on two truss beams at the entrance and the exit of the escalator, and the rope can drive the movable bracket to move downwards under the pushing of the collapsed step so as to trigger the safety trigger switch. When the safety trigger switch is triggered, the safety trigger switch sends an escalator stop signal to the escalator controller so as to immediately brake and stop the escalator.
Figure 1 shows a schematic view of an escalator according to an exemplary embodiment of the invention; figure 2 shows a cross-sectional view of the escalator shown in figure 1, taken along the direction a-a; fig. 4 shows an enlarged schematic view of zone C or C' of the escalator shown in fig. 1.
As shown in fig. 1-2 and 4, in the illustrated embodiment, the step collapse safety protection device basically comprises: at least one pair of safety trigger switches 11, a movable bracket 10, a spring 14 and a rope 4.
As shown in fig. 1-2 and 4, in the illustrated embodiment, one of each pair of safety trip switches 11 is mounted on one truss beam 3 near the entrance of the escalator and the other on one truss beam 3 near the exit of the escalator.
As shown in fig. 1-2 and 4, in the illustrated embodiment, the moving bracket 10 is disposed above the safety trigger switch 11, and the safety trigger switch 11 can be activated by moving the moving bracket 10 downward. In the illustrated embodiment, a mobile carriage 10 is provided above each safety trigger switch 11.
As shown in fig. 1-2 and 4, in the illustrated embodiment, a spring 14 is provided below the moving bracket 10 for elastically supporting the moving bracket 10 on the truss girder 3. In the illustrated embodiment, each mobile carriage 10 is elastically supported on the truss beam 3 by means of a spring 14.
As shown in fig. 1-2 and 4, in the illustrated embodiment, the two ends of the rope 4 are connected to two truss beams 3 at the entrance and exit of the escalator, respectively, and the movable bracket 10 is driven to move downward under the push of the collapsed step 2 to trigger the safety trigger switch 11. The utility model discloses in, when safe touch switch 11 was triggered, safe touch switch 11 sent staircase stop signal to the staircase controller to make the staircase brake stop at once.
Fig. 5 shows a cross-sectional view of a step collapse safety guard according to an exemplary embodiment of the present invention; FIG. 6 shows a perspective view of the step collapse safety guard of FIG. 5; fig. 7 shows a perspective view of the mobile bracket and connector barrel of the step collapse safety guard shown in fig. 6.
As shown in fig. 1-2 and 4-7, in the illustrated embodiment, the aforementioned step collapse safety protection device further comprises a fixed bracket 12. The fixing bracket 12 is fixed to the truss girder 3. The safety trigger switch 11 is mounted on the fixed bracket 12.
As shown in fig. 1-2 and 4-7, in the illustrated embodiment, a spring 14 is provided between the moving bracket 10 and the fixed bracket 12 to elastically support the moving bracket 10 on the fixed bracket 12.
As shown in fig. 1-2 and 4-7, in the illustrated embodiment, the step collapse safety protection device further comprises a connector barrel 16 and a connector nut 8. The connecting cylinder 16 is connected to the moving bracket 10 at an upper end thereof and penetrates the top plate 12b of the fixed bracket 12 at a lower end thereof. The coupling nut 8 is screwed to the lower end 16b of the coupling cylinder 16 and is located below the top plate 12b of the fixing bracket 12. The end of the rope 4 passes through the moving bracket 10 and the connecting cylinder 16 and is connected to the bottom plate 12a of the fixed bracket 12 by the connecting member 9.
As shown in fig. 1-2 and 4-7, in the illustrated embodiment, the spring is sleeved over the connector barrel 16. The safety trigger switch 11 is mounted to a side plate 12c of the fixing bracket 12.
As shown in fig. 1-2 and 4-7, in the illustrated embodiment, the moving bracket 10 has a horizontally disposed plate-shaped main body portion 10b and an upwardly convex sidewall portion 10a on one side of the plate-shaped main body portion 10b, and the sidewall portion 10a of the moving bracket 10 serves to support the end of the rope 4.
As shown in fig. 1-2 and 4-7, in the illustrated embodiment, the upper end of the connecting cylinder 16 is connected to the plate-shaped main body portion 10b of the moving bracket 10, and the end of the rope 4 passes through the plate-shaped main body portion 10b of the moving bracket 10 and the connecting cylinder 16. In the illustrated embodiment, the end of the cord 4 passes through the through-hole 16a of the connector barrel 16.
As shown in fig. 1-2 and 4-7, in the illustrated embodiment, the bottom plate 12a of the fixing bracket 12 is fixed to the truss beam 3 by bolts 13.
As shown in fig. 1-2 and 4-7, in the illustrated embodiment the main wheels 2a of the steps 2 move along main wheel tracks 1 mounted on truss girders 3, and the ropes 4 extend in a direction parallel to the main wheel tracks 1.
Figure 3 shows an enlarged schematic view of zone B of the escalator shown in figure 2;
as shown in fig. 1-4, in the illustrated embodiment, the step collapse safety guard further comprises a plurality of support mechanisms. A plurality of support mechanisms are respectively installed on each truss beam 3 between the entrance and the exit of the escalator, for supporting the rope 4 such that the distance d between the rope 4 and the outer edge 2b of the step 2 is uniform at each truss beam 3.
As shown in fig. 1 to 4, in the illustrated embodiment, each support mechanism mainly includes: a support plate 5, a support rod 15, a support spring 6 and a nut 7. The cord 4 is supported on a support plate 5. The support rods 15 are connected at their upper ends to the support plates 5 and at their lower ends through the roof of the truss girder 3. The support springs 6 are sleeved on the support rods 15 and are positioned between the support plates 5 and the truss girders 3. A nut 7 is screwed onto the lower end of the support bar 15 and is located below the top plate of the truss girder 3.
Although not shown, in an exemplary embodiment of the present invention, a V-shaped positioning groove is formed on the supporting plate 5, and the rope 4 is positioned in the V-shaped positioning groove on the supporting plate 5.
In an exemplary embodiment of the present invention, the distance d between the rope 4 and the outer edge 2b of the step 2 is within the range of 3-10 mm.
In another exemplary embodiment of the present invention, an escalator is also disclosed, comprising the above step collapse safety protection device.
As shown in fig. 1 to 7, in the illustrated embodiment, when a passenger stands on a step 2 of a running escalator, if the step 2 collapses, the outer edge 2b of the step 2 contacts with the rope 4 and generates a pressure on the rope 4, the tension on the rope 4 generates a pressure on the movable bracket 10, so that the movable bracket 10 moves downwards, the safety trigger switch 11 is triggered, the safety trigger switch 11 sends a stop signal to the controller, and the escalator is immediately braked and stopped, thereby preventing further injury of passengers.
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 (15)
1. A step collapse safety protection device, comprising:
at least one pair of safety trigger switches (11), wherein each pair of safety trigger switches (11) are respectively arranged on two truss beams (3) at the inlet and the outlet of the escalator;
the movable bracket (10) is arranged above the safety trigger switch (11), and the safety trigger switch (11) can be triggered by moving the movable bracket (10) downwards;
a spring (14) disposed below the moving bracket (10) for elastically supporting the moving bracket (10) on the truss cross member (3); and
a rope (4) whose two ends are respectively connected to two truss beams (3) at the entrance and exit of the staircase, and which can drive the moving bracket (10) to move downwards under the push of the collapsed step (2) to trigger the safety trigger switch (11),
when the safety trigger switch (11) is triggered, the safety trigger switch (11) sends an escalator stop signal to the escalator controller so as to immediately brake and stop the escalator.
2. The step collapse safety protection device of claim 1, wherein:
the step collapse safety protection device further comprises a fixing support (12), the fixing support (12) is fixed to the truss cross beam (3), and the safety trigger switch (11) is installed on the fixing support (12).
3. The step collapse safety protection device of claim 2, wherein:
the spring (14) is disposed between the moving bracket (10) and the fixed bracket (12) so as to elastically support the moving bracket (10) on the fixed bracket (12).
4. The step collapse safety protection device of claim 3, wherein:
the step collapse safety protection device further comprises a connecting cylinder (16) and a connecting nut (8), wherein the upper end of the connecting cylinder (16) is connected to the moving bracket (10), the lower end of the connecting cylinder penetrates through the top plate (12b) of the fixed bracket (12), and the connecting nut (8) is in threaded connection with the lower end of the connecting cylinder (16) and is positioned below the top plate (12b) of the fixed bracket (12);
the end of the rope (4) passes through the moving bracket (10) and the connecting cylinder (16) and is connected to the bottom plate (12a) of the fixed bracket (12) through a connecting piece (9).
5. The step collapse safety protection device of claim 4, wherein: the spring is sleeved on the connecting cylinder (16).
6. The step collapse safety protection device of claim 4, wherein: the safety trigger switch (11) is arranged on a side plate (12c) of the fixed bracket (12).
7. The step collapse safety protection device of claim 4, wherein:
the movable bracket (10) has a horizontally arranged plate-shaped main body portion (10b) and an upwardly convex side wall portion (10a) on one side of the plate-shaped main body portion (10b), the side wall portion (10a) supporting an end portion of the rope (4).
8. The step collapse safety protection device of claim 7, wherein:
the upper end of the connecting cylinder (16) is connected to a plate-shaped main body portion (10b) of the moving bracket (10), and the end of the rope (4) passes through the plate-shaped main body portion (10b) and the connecting cylinder (16).
9. The step collapse safety protection device of claim 5, wherein:
the bottom plate (12a) of the fixing bracket (12) is fixed to the truss beam (3) by a bolt (13).
10. The step collapse safety protection device of claim 1, wherein:
the main wheels (2a) of the steps (2) move along a main wheel guide rail (1) arranged on a truss beam (3), and the ropes (4) extend along the direction parallel to the main wheel guide rail (1).
11. The step collapse safety protection device of any one of claims 1-10, wherein:
the step collapse safety protection device further comprises a plurality of support mechanisms respectively mounted on each truss beam (3) between the entrance and the exit of the escalator for supporting the rope (4) such that the spacing (d) between the rope (4) and the outer edge (2b) of the step (2) is uniform at each truss beam (3).
12. The step collapse safety protection device of claim 11, wherein each said support mechanism comprises:
a support plate (5) on which the rope (4) is supported;
a support rod (15) with an upper end connected to the support plate (5) and a lower end penetrating through a top plate of the truss crossbeam (3);
the supporting spring (6) is sleeved on the supporting rod (15) and is positioned between the supporting plate (5) and the truss beam (3); and
and the nut (7) is connected to the lower end of the support rod (15) in a threaded mode and is located below the top plate of the truss cross beam (3).
13. The step collapse safety protection device of claim 12, wherein:
a V-shaped positioning groove is formed in the supporting plate (5), and the rope (4) is positioned in the V-shaped positioning groove in the supporting plate (5).
14. The step collapse safety protection device of claim 11, wherein:
the distance (d) between the rope (4) and the outer edge (2b) of the stair (2) is within the range of 3-10 mm.
15. An escalator comprising a step collapse safety protection device according to any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286165.8U CN210140366U (en) | 2019-03-07 | 2019-03-07 | Step collapse safety protection device and escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286165.8U CN210140366U (en) | 2019-03-07 | 2019-03-07 | Step collapse safety protection device and escalator |
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| Publication Number | Publication Date |
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| CN210140366U true CN210140366U (en) | 2020-03-13 |
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| CN201920286165.8U Active CN210140366U (en) | 2019-03-07 | 2019-03-07 | Step collapse safety protection device and escalator |
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| CN (1) | CN210140366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867195A (en) * | 2019-03-07 | 2019-06-11 | 迅达（中国）电梯有限公司 | Step sagging safety guard |
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2019
- 2019-03-07 CN CN201920286165.8U patent/CN210140366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867195A (en) * | 2019-03-07 | 2019-06-11 | 迅达（中国）电梯有限公司 | Step sagging safety guard |
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