CN210854923U - Escalator anti-pinch device - Google Patents
Escalator anti-pinch device Download PDFInfo
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- CN210854923U CN210854923U CN201921815750.9U CN201921815750U CN210854923U CN 210854923 U CN210854923 U CN 210854923U CN 201921815750 U CN201921815750 U CN 201921815750U CN 210854923 U CN210854923 U CN 210854923U
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Abstract
The utility model provides an escalator anti-pinch device, which comprises an escalator, a reminding component used for sending voice reminding and connected with an escalator control system, and an optical fiber sensor arranged on a skirt board and positioned between a brush and a step; the optical fiber sensor comprises a light source transmitting head, an optical fiber and a light source receiving head connected with the escalator control system, wherein two ends of the optical fiber are respectively connected with the light source transmitting head and the light source receiving head; the light source emitting head and the light source receiving head are respectively positioned above the upper end and the lower end of the step and are respectively fixed on the apron board through a fixed rod; a plurality of elastic supports are arranged between the optical fiber and the apron board; the elastic supports positioned at the uppermost end and the lowermost end divide the optical fiber into a second upper horizontal section, a second inclined section and a second lower horizontal section; the second upper horizontal section is positioned above the first upper horizontal section, the second inclined section is positioned above the first inclined section, and the second lower horizontal section is positioned above the first lower horizontal section. The utility model discloses can avoid the staircase to press from both sides the foot, ensure passenger's safety.
Description
Technical Field
The utility model belongs to staircase safety device field especially relates to a foot device is prevented pressing from both sides by staircase.
Background
Escalators are typical devices for transporting passengers in public places, and because the efficiency of transporting passengers in a unit time is much higher than that of vertical elevators, escalators are increasingly widely used in places such as shopping malls, airports, high-speed railway stations, subways, hotels and the like. With the increase of the quantity of the escalator, accidents occurring in the operation of the escalator are more frequent, and as the accidents that people are clamped between the steps are like, no matter adults or children, the reports about the clamping of feet between the skirt board and the steps are provided, so that the problem that the clamping of the feet of the escalator is avoided becomes urgent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a foot device is prevented pressing from both sides by staircase can avoid the staircase to press from both sides the foot, ensures passenger's safety.
The utility model discloses a realize through following technical scheme:
the escalator foot clamping prevention device comprises an escalator, wherein the escalator comprises steps, skirt boards arranged on the left side and the right side of the steps, brushes arranged on the skirt boards, and an escalator control system connected with the escalator, the steps are divided into a first upper horizontal section, a first inclined section and a first lower horizontal section which are sequentially connected, the escalator foot clamping prevention device further comprises a reminding component used for sending voice reminding, and an optical fiber sensor arranged on the skirt boards and located between the brushes and the steps, and the reminding component is connected with the escalator control system;
the optical fiber sensor comprises a light source transmitting head, an optical fiber and a light source receiving head, wherein two ends of the optical fiber are respectively connected with the light source transmitting head and the light source receiving head;
the light source emitting head and the light source receiving head are respectively positioned above the upper end and the lower end of the step and are respectively fixed on the apron board through a fixed rod;
a plurality of elastic supports for supporting the optical fibers and providing resilience force for the optical fibers are arranged between the optical fibers and the apron board, wherein the elastic supports positioned at the uppermost end and the lowermost end divide the optical fibers into a second upper horizontal section, a second inclined section and a second lower horizontal section which are connected in sequence;
the second upper horizontal section is positioned above the first upper horizontal section, the second inclined section is positioned above the first inclined section, and the second lower horizontal section is positioned above the first lower horizontal section;
the light source receiving head is connected with the escalator control system.
Compared with the prior art, the beneficial effects of the utility model are that: the escalator is provided with an optical fiber sensor, different positions of the escalator are detected through the optical fiber sensor to determine whether an object is close to the skirt board, the escalator control system judges the position of the object close to the skirt board through an optical signal received by the light source receiving head, and if the object is detected to be close to the skirt board at the first inclined section position of the escalator, a reminding component plays voice to remind a passenger, so that the passenger can pay attention to the position of the foot, and the situation that the passenger clamps the foot when reaching the end point of the escalator is avoided; if an object is detected to be close to the skirt board at the position close to the upper end and the lower end of the step, namely when the step of the escalator rapidly runs to the terminal point and the object is still detected to be close to the skirt board, the escalator is immediately stopped to run, so that the situation that a passenger forgets to lift the foot when reaching the terminal point of the escalator to clamp the foot can be avoided, and the safety of the passenger is guaranteed; the optical fiber sensor is fixed on the apron plate between the brush and the step, and can detect the object as long as the object is close to the apron plate, so that the misoperation caused by the position error generated in the step movement process or the error generated by the position failure in the adjustment process is avoided.
Further, elastic support includes fixed pipe, cavity activity pipe and elastic component, and fixed pipe one end is fixed on the skirtboard, and the one end activity cover of cavity activity pipe is established on fixed pipe, and with fixed between the pipe be equipped with be used for restricting the cavity activity pipe and deviate from the limit structure of fixed pipe, the other end of cavity activity pipe seals and sets up on optic fibre, and the elastic component is located the cavity activity pipe, and respectively with cavity activity pipe and fixed pipe butt. Elastic support is when object extrusion optic fibre, and the shrink of past skirtboard direction on the pipe can be fixed to the cavity activity pipe for optic fibre also can detect when elastic support's position pressurized, simultaneously when the second slope section of object extrusion optic fibre, reduce the deformation and the bending degree of optic fibre, when optic fibre was kept away from to the object, the elastic support passed through the recovery resilience force that the elastic component provided and promoted the cavity activity pipe and remove on fixed pipe, resume the distance between optic fibre and the skirtboard.
Further, limit structure includes: the side wall of the hollow movable tube is provided with at least one strip-shaped through hole, the fixed tube is provided with positioning pins with the same number as the strip-shaped through holes, and the positioning pins are arranged in the corresponding strip-shaped through holes and can slide along the strip-shaped through holes.
Furthermore, the one end that fixed pipe was kept away from to cavity activity pipe is equipped with the ring of taking the breach, and the breach of ring is less than the diameter of optic fibre, and the ring cover is established on optic fibre.
Furthermore, the elastic part is a spring, and two ends of the spring are respectively abutted against the hollow movable pipe and the fixed pipe.
Further, remind the quantity of subassembly to be two, two are reminded the subassembly and set up two skirtboards respectively and keep away from one side middle part of brush.
Further, the reminding component is a loudspeaker.
Drawings
FIG. 1 is a schematic structural view of the foot clamping prevention device of the escalator of the present invention;
FIG. 2 is a cross-sectional view of the anti-pinch device of the escalator of the present invention;
fig. 3 is the schematic structural view of the elastic support in the anti-pinch device of the escalator.
In the figure, 1-staircase, 11-step, 12-apron board, 13-brush, 2-reminding component, 3-optical fiber sensor, 31-light source emitting head, 32-optical fiber, 321-second upper horizontal section, 322-second inclined section, 323-second lower horizontal section, 33-light source receiving head, 4-elastic support, 41-fixed tube, 411-positioning pin, 42-hollow movable tube, 43-elastic component and 44-circular ring.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of the anti-foot clamping device for an escalator of the present invention, and fig. 2 is a cross-sectional view of the anti-foot clamping device for an escalator of the present invention. An escalator anti-pinch device comprises an escalator 1, wherein the escalator 1 comprises steps 11, skirt boards 12 arranged on the left side and the right side of the steps 11, brushes 13 arranged on the skirt boards 12, and an escalator control system connected with the escalator 1, the steps 11 are divided into a first upper horizontal section, a first inclined section and a first lower horizontal section which are sequentially connected, the escalator anti-pinch device further comprises a reminding component 2 used for sending out voice reminding, and an optical fiber 32 sensor 3 arranged on the skirt boards 12 and located between the brushes 13 and the steps 11, and the reminding component 2 is connected with the escalator control system; the optical fiber 32 sensor 3 is used for detecting whether an object is close to the skirt board 12 or not, the escalator control system is connected through communication, and the escalator control system controls the reminding component 2 to give out voice reminding or controls the escalator 1 to stop running according to information sent by the optical fiber 32 sensor 3.
The optical fiber 32 sensor 3 comprises a light source emitting head 31, an optical fiber 32 and a light source receiving head 33, wherein two ends of the optical fiber 32 are respectively connected with the light source emitting head 31 and the light source receiving head 33; the light source emitting head 31 and the light source receiving head 33 are respectively positioned above the upper end and the lower end of the step 11, and the light source emitting head 31 and the light source receiving head 33 are respectively fixed on the apron board 12 through fixing rods; a plurality of elastic supports 4 for supporting the optical fiber 32 and providing resilience force to the optical fiber 32 are arranged between the optical fiber 32 and the skirt 12, wherein the elastic supports 4 positioned at the uppermost end and the lowermost end divide the optical fiber 32 into a second upper horizontal section 321, a second inclined section 322 and a second lower horizontal section 323 which are connected in sequence; the second upper horizontal segment 321 is located above the first upper horizontal segment, the second inclined segment 322 is located above the first inclined segment, and the second lower horizontal segment 323 is located above the first lower horizontal segment; the light source receiving head 33 is connected to the escalator control system. The second upper horizontal section 321, the second inclined section 322, and the second lower horizontal section 323 of the optical fiber 32 are in a straightened state and are disposed above the step 11, and can be used to detect whether an object is near the skirt 12 on the step 11. The light source emitting head 31 emits light signals, the light signals are continuously reflected and transmitted in the optical fiber 32 and finally reach the light source receiving head 33, and the light source receiving head 33 converts the received light signals into electric signals and sends the electric signals to the escalator control system. When an object presses the optical fiber 32, the degree of compression of the optical fiber 32 is inversely proportional to the optical signal received by the light source receiving head 33, and the optical signal is inversely proportional to the electrical signal output by the light source receiving head 33, i.e. the more the optical fiber 32 is compressed, the weaker the intensity of the optical signal received by the light source receiving head 33 is, and the higher the electrical signal output by the light source receiving head 33 is. When an object approaches the skirt 12 and presses the optical fiber 32, the reflection path of light in the optical fiber 32 is changed, and finally, the intensity of the optical signal received by the light source receiving head 33 is changed. The light source receiving head 33 outputs different electrical signals according to the received light signals with different intensities, and the electrical signals are transmitted to the escalator control system, and the escalator control system performs different processing according to the different electrical signals.
And therefore the light source emitting head 31 and the light source receiving head 33 of the optical fiber 32 sensor 3 are fixed on the skirt 12 by fixing rods, the second inclined section 322 of the optical fiber 32 is arranged on the skirt 12 by the elastic support 4 and is supported by the elastic support 4, the elastic support 4 has elasticity and can be compressed, therefore when an object approaches the second inclined section 322 of the optical fiber 32, the deformation and bending degree of the optical fiber 32 can be reduced due to the compression of the elastic support 4, and the object moves away from the elastic support 4 along with the step 11, the elastic trapezoid provides a resilience force, so that the optical fiber 32 is restored. When an object moves along with the step 11 and approaches the light source emitting head 31 or the light source receiving head 33, that is, the pressed position of the optical fiber 32 sensor 3 approaches the light source emitting head 31 or the light source receiving head 33, because the length of the fixing rod is fixed, the position of the light source emitting head 31 or the light source receiving head 33 is also fixed, the same pressure causes a larger deformation amount to the optical fiber 32, the bending degree of the optical fiber 32 is higher, and the resulting reflected light path is longer, so that when the pressed position of the optical fiber 32 approaches the light source emitting head 31 or the light source receiving head 33, the intensity of the optical signal received by the light source receiving head 33 is weaker, and the electrical signal output by the light source receiving head 33 is higher.
Please refer to fig. 3, fig. 3 is a schematic structural diagram of the elastic support 4 in the anti-foot-clamping device of the escalator of the present invention. Elastic support 4 includes fixed pipe 41, cavity activity pipe 42 and elastic component 43, fixed pipe 41 one end is fixed on skirtboard 12, the one end activity cover of cavity activity pipe 42 is established on fixed pipe 41, and be equipped with between cavity activity pipe 42 and the fixed pipe 41 and be used for restricting cavity activity pipe 42 and deviate from the limit structure of fixed pipe 41, the other end of cavity activity pipe 42 seals and sets up on optic fibre 32, elastic component 43 is located cavity activity pipe 42, and respectively with cavity activity pipe 42 and fixed pipe 41 butt. When the elastic support 4 extrudes the optical fiber 32 by an object, the hollow movable tube 42 can be fixed on the tube 41 and shrink toward the direction of the apron board 12, so that the optical fiber 32 can be detected when the position of the elastic support 4 is pressed, meanwhile, when the object extrudes the second inclined section 322 of the optical fiber 32, the deformation and bending degree of the optical fiber 32 are reduced, when the object is far away from the optical fiber 32, the elastic support 4 pushes the hollow movable tube 42 to move on the fixed tube 41 through the recovery resilience force provided by the elastic part 43, and the distance between the optical fiber 32 and the apron board 12 is recovered. Specifically, the elastic member 43 is a spring, and both ends of the spring are respectively abutted against the hollow movable tube 42 and the fixed tube 41. Specifically, limit structure includes: at least one elongated through hole is formed in the side wall of the hollow movable tube 42, and the fixed tube 41 is provided with positioning pins 411, the number of which is equal to that of the elongated through holes, and the positioning pins 411 are arranged in the corresponding elongated through holes and can slide along the elongated through holes. Specifically, a circular ring 44 with a notch is disposed at an end of the hollow movable tube 42 away from the fixed tube 41, the notch of the circular ring 44 is smaller than the diameter of the optical fiber 32, and the circular ring 44 is sleeved on the optical fiber 32. This arrangement facilitates plugging of the optical fiber 32 into the annular ring 44.
The number of the reminding assemblies 2 is two, and the two reminding assemblies 2 are respectively arranged at the middle parts of one sides of the two skirt boards 12 far away from the hairbrush 13. The reminder assembly 2 is a speaker.
The utility model discloses a working process does: in the running process of the escalator 1, the light source receiving head 33 converts the received optical signals into electric signals in real time and sends the electric signals to the escalator control system, and the escalator control system judges whether an object is pressed onto the optical fibers 32 or not according to the electric signals. Specifically, a first signal threshold value and a second signal threshold value may be set in advance in the escalator control system, the escalator control system compares the received electric signal transmitted by the light source receiving head 33 with the first signal threshold value, and if the electric signal is equal to or less than the first signal threshold value, it indicates that no object is pressed against the optical fiber 32, that is, no object is close to the skirt 12. If the electric signal is greater than the first signal threshold value, comparing the electric signal with a second signal threshold value, if the electric signal is less than or equal to the second signal threshold value, indicating that an object is extruded to the second inclined section 322 of the optical fiber 32, sending a control signal to the reminding component 2 by the escalator control system, driving the reminding component 2 to send a voice reminding to remind a passenger not to approach the skirt board 12, paying attention to safety under the feet and avoiding the situation that the passenger clamps the feet when reaching the terminal point of the escalator 1; if the electric signal is greater than the second signal threshold, it indicates that the object reaches the first upper horizontal section or the first lower horizontal section of the step 11 and is close to the light source emitting head 31 or the light source receiving head 33, the object already moves to the end point along with the step 11 of the escalator 1, the escalator control system considers that a foot clamping situation occurs, the power supply of the main machine of the escalator 1 is immediately disconnected, the escalator 1 stops running, the situation that the foot clamping occurs because a passenger forgets to lift the foot when the passenger reaches the end point of the escalator 1 is avoided, and the safety of the passenger is guaranteed.
Compared with the prior art, the beneficial effects of the utility model are that: the escalator 1 is provided with the optical fiber 32 sensor 3, different positions of the escalator 1 are detected through the optical fiber 32 sensor 3 to determine whether an object is close to the skirt board 12, the escalator control system judges the position of the object close to the skirt board 12 through an optical signal received by the light source receiving head 33, if the object is detected to be close to the skirt board 12 at the first inclined section position of the escalator 1, the reminding component 2 is used for playing voice to remind, so that passengers can pay attention to the positions of feet, and the situation that the passengers clamp the feet when reaching the end point of the escalator 1 is avoided; if an object is detected to be close to the skirt board 12 at the position close to the upper end and the lower end of the step 11, namely when the step 11 of the escalator 1 is fast running to the terminal point and the object is still detected to be close to the skirt board 12, the escalator 1 is immediately stopped running, so that the situation that a passenger forgets to lift the foot when reaching the terminal point of the escalator 1 to clamp the foot can be avoided, and the safety of the passenger is guaranteed; the optical fiber 32 sensor 3 is fixed on the skirt board 12 between the brush 13 and the step 11, and can detect the object as long as the object is close to the skirt board 12, so that the misoperation caused by the position error generated in the moving process of the step 11 or the error generated by the position adjustment failure is avoided.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (7)
1. The escalator foot clamping prevention device comprises an escalator, wherein the escalator comprises steps, skirt boards arranged on the left side and the right side of the steps, brushes arranged on the skirt boards, and an escalator control system connected with the escalator, the steps are divided into a first upper horizontal section, a first inclined section and a first lower horizontal section which are sequentially connected, and the escalator foot clamping prevention device is characterized by further comprising a reminding component used for sending voice reminding, and an optical fiber sensor arranged on the skirt boards and located between the brushes and the steps, and the reminding component is connected with the escalator control system;
the optical fiber sensor comprises a light source transmitting head, an optical fiber and a light source receiving head, wherein two ends of the optical fiber are respectively connected with the light source transmitting head and the light source receiving head;
the light source emitting head and the light source receiving head are respectively positioned above the upper end and the lower end of the step and are respectively fixed on the apron board through a fixed rod;
a plurality of elastic supports for supporting the optical fibers and providing resilience force for the optical fibers are arranged between the optical fibers and the apron board, wherein the elastic supports positioned at the uppermost end and the lowermost end divide the optical fibers into a second upper horizontal section, a second inclined section and a second lower horizontal section which are connected in sequence;
the second upper horizontal section is positioned above the first upper horizontal section, the second inclined section is positioned above the first inclined section, and the second lower horizontal section is positioned above the first lower horizontal section;
the light source receiving head is connected with the escalator control system.
2. The escalator anti-pinch device as claimed in claim 1, wherein the elastic support comprises a fixed tube, a hollow movable tube and an elastic member, one end of the fixed tube is fixed on the skirt board, one end of the hollow movable tube is movably sleeved on the fixed tube, a limit structure for limiting the hollow movable tube from being separated from the fixed tube is arranged between the fixed tube and the fixed tube, the other end of the hollow movable tube is closed and arranged on the optical fiber, and the elastic member is arranged in the hollow movable tube and is respectively abutted against the hollow movable tube and the fixed tube.
3. The escalator foot clamping prevention device according to claim 2, wherein the limiting structure comprises: the lateral wall of cavity activity pipe is equipped with an at least rectangular shape through-hole to and be equipped with the locating pin that equals with rectangular shape through-hole quantity on the fixed pipe, the locating pin sets up in corresponding rectangular shape through-hole and can follow the sliding of rectangular shape through-hole.
4. The escalator foot clamping prevention device according to claim 2, wherein a ring with a notch is arranged at one end of the hollow movable tube, which is far away from the fixed tube, the notch of the ring is smaller than the diameter of the optical fiber, and the ring is sleeved on the optical fiber.
5. The escalator foot clamping prevention device according to claim 2, wherein the elastic member is a spring, and two ends of the spring are respectively abutted against the hollow movable tube and the fixed tube.
6. The escalator foot clamping prevention device as claimed in claim 1, wherein the number of the reminding components is two, and two reminding components are respectively arranged at the middle part of one side of two skirt boards far away from the brush.
7. An escalator anti-pinch device according to claim 6, wherein the reminder assembly is a speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815750.9U CN210854923U (en) | 2019-10-25 | 2019-10-25 | Escalator anti-pinch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815750.9U CN210854923U (en) | 2019-10-25 | 2019-10-25 | Escalator anti-pinch device |
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| Publication Number | Publication Date |
|---|---|
| CN210854923U true CN210854923U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921815750.9U Active CN210854923U (en) | 2019-10-25 | 2019-10-25 | Escalator anti-pinch device |
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| CN (1) | CN210854923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092798A (en) * | 2022-06-22 | 2022-09-23 | 北京北安时代电梯安装工程有限公司 | Escalator end safety protection device, method, system and storage medium |
-
2019
- 2019-10-25 CN CN201921815750.9U patent/CN210854923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092798A (en) * | 2022-06-22 | 2022-09-23 | 北京北安时代电梯安装工程有限公司 | Escalator end safety protection device, method, system and storage medium |
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