CN209685114U - Monitoring system and staircase including the monitoring system - Google Patents
Monitoring system and staircase including the monitoring system Download PDFInfo
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- CN209685114U CN209685114U CN201920361970.2U CN201920361970U CN209685114U CN 209685114 U CN209685114 U CN 209685114U CN 201920361970 U CN201920361970 U CN 201920361970U CN 209685114 U CN209685114 U CN 209685114U
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- China
- Prior art keywords
- handrail
- proximity sensor
- drive chain
- staircase
- handrail drive
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Abstract
The utility model discloses a kind of monitoring systems, for monitoring the handrail drive chain of staircase, the main drive wheel of staircase receives the power from power source, drive sprocket is transmitted to by main shaft, driven sprocket is transmitted to by handrail drive chain again, handrail driving wheel is then transmitted to by handrail transmission shaft, last handrail drive wheel handrail movement, the monitoring system includes: the first proximity sensor, its handrail drive chain towards top is arranged in the chain link, and is configured to the handrail drive chain of sensing top；Second proximity sensor, handrail drive chain downwards is arranged in the chain link, and is configured to the handrail drive chain of sensing lower section.
Description
Technical field
The monitoring system that the utility model relates to a kind of for monitoring the handrail drive chain of staircase and including the monitoring system
The staircase of system.
Background technique
The monitoring of handrail drive chain is proposed in the staircase technical specification about subway that Chinese elevator association drafts
New requirement should stop staircase when handrail drive chain is broken or is too long in time.And handrail is not driven in the prior art
The too long means being monitored of dynamic chain, and it is also complex to the monitoring of handrail driving chain break.Therefore, it is badly in need of one
Kind is able to satisfy the monitoring system of the technical specification and simple and effective cost savings.
Utility model content
In view of the above problems, the utility model proposes a kind of monitoring system, for monitoring the handrail drive chain of staircase.
Wherein, the staircase includes the main drive wheel being fixed on main shaft and drive sprocket on staircase top and fixes
Driven sprocket on handrail transmission shaft and handrail driving wheel are set.Wherein, the main shaft and the handrail pass
Moving axis extends and parallel to each other in transverse direction, and the drive sprocket and the driven sprocket are aligned along the longitudinal direction, described to help
Hand strap drive chain is wound around the chain link that closure is formed around the drive sprocket and the driven sprocket.Wherein, main drive wheel connects
The power from power source is received, drive sprocket is transmitted to by main shaft, then driven chain is transmitted to by handrail drive chain
Wheel is then transmitted to handrail driving wheel, last handrail drive wheel handrail movement by handrail transmission shaft.It is described
Monitoring system includes: the first proximity sensor, and the handrail drive chain towards top is arranged in the chain link, and is configured to
Sense the handrail drive chain of top；Second proximity sensor, handrail drive chain downwards are arranged in the chain link
It is interior, and it is configured to the handrail drive chain of sensing lower section.
By the monitoring system, handrail driving chain break and too long can be effectively monitored, wanting for technical specification is met
It asks.The monitoring system is simple, substantially can be applied to the staircase of existing all models.
It is according to the present utility model, there can be following one or more features either individually or in combination.
One embodiment according to the present utility model, first proximity sensor are configured to when the handrail for sensing top
Band drive chain issues Fisrt fault signal when entering the first preset distance, and keeps staircase out of service；Described second close sensing
Device is configured to issue the second fault-signal when sensing the handrail drive chain of lower section beyond the second preset distance, and makes staircase
It is out of service.
Since the effect of gravity will drop when handrail drive chain is broken or is too long, the handrail drive chain of top drops will
Into the first preset distance of the first proximity sensor, the handrail drive chain tenesmus of lower section will exceed the second proximity sensor
Second preset distance, so that the first proximity sensor of triggering or the movement of the second proximity sensor, issue fault-signal, and make staircase
It is out of service.By being designed in this way the operation condition of the first proximity sensor and the second proximity sensor, realize to handrail
Drive chain fracture and too long real-time monitoring, and stop staircase in time in failure.
One embodiment according to the present utility model, first preset distance are 40mm, and second preset distance is
40mm。
By the first preset distance of reasonable design and the second preset distance, it is disconnected can suitably to monitor handrail drive chain
Split with it is too long, meet the requirement of technical specification.First preset distance is designed too small and the design of the second preset distance is too much, will
Cause handrail drive chain it is too long it is more can just be monitored to, or even can only monitor to be broken；First preset distance was designed
Big and the second preset distance is designed too small, will cause handrail drive chain is slightly elongated to be just monitored to, influences the fortune of staircase
Row.
One embodiment according to the present utility model, the Fisrt fault signal are the handrail drive chain break signal
Or handrail drive chain too long signal when staircase downlink；Second fault-signal is handrail drive chain fracture letter
Number or when staircase uplink too long signal of handrail drive chain.
When staircase is run down, the handrail drive chain of lower section is tensioned, and the handrail of top drives chain relaxation, therefore,
If handrail drive chain is too long, only the first proximity sensor is acted.When staircase is run up, the handrail drive chain of top
Tightly, the handrail of lower section drives chain relaxation, and therefore, if handrail drive chain is too long, only the second proximity sensor is acted.Handrail
When drive chain is broken, depending on the position of its fracture, the first proximity sensor or the movement of the second proximity sensor may cause.Therefore
And it which proximity sensor movement can learn the type of the failure of generation from.
One embodiment according to the present utility model, first proximity sensor and second proximity sensor are electricity
Sensor or capacitive proximity sensor or photo-electric proximity sensor.
Since handrail drive chain is made of metal material, therefore inductive proximity sensor or capacitive proximity can be selected
Sensor or photo-electric proximity sensor sense handrail drive chain.
One embodiment according to the present utility model, first proximity sensor and second proximity sensor positioning
It is vertically aligned.
It is positioned such that the first proximity sensor and the second proximity sensor are conducive to the convenience of installation.
One embodiment according to the present utility model, first proximity sensor and second proximity sensor are vertical
The middle part of the chain link is located in on direction.
Since the tenesmus amount of gravity is the most obvious in the middle after handrail drive chain is elongated, it is positioned such that the first close biography
Sensor and the second proximity sensor are conducive to preferably monitor the too long of handrail drive chain.
One embodiment according to the present utility model, first proximity sensor and second proximity sensor installation
On bracket, the bracket is mounted on crossbeam, and the crossbeam extends in transverse direction and is fixed on arm rest lift side sheet.
Two proximity sensors are mounted on the existing crossbeam of staircase by bracket, so that installation is simple and convenient, easy pair
Existing staircase is upgraded.
One embodiment according to the present utility model, first proximity sensor and second proximity sensor pass through
Screw is installed on the bracket, and the bracket is mounted on the crossbeam by screw.
It is installed by screw, it is simple and reliable.
The utility model also proposed a kind of staircase, which includes monitoring system as described above.
Detailed description of the invention
It, hereinafter will be to the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing simply introduced.Wherein, attached drawing is used only for showing some embodiments of the utility model, rather than will be originally practical new
The whole embodiments limited to this of type.
Fig. 1 is the local perspective view of staircase according to the present utility model.
Fig. 2 is the local perspective view of staircase according to the present utility model.
Fig. 3 is handrail drive chain too long schematic diagram when staircase according to the present utility model is run down.
Fig. 4 is handrail drive chain too long schematic diagram when staircase according to the present utility model is run up.
Fig. 5 is the rack-mount schematic plan view of the proximity sensor of monitoring system according to the present utility model.
Fig. 6 is the rack-mount perspective illustration of the proximity sensor of monitoring system according to the present utility model.
Specific embodiment
In order to enable the purposes, technical schemes and advantages of the technical solution of the utility model are clearer, it hereinafter will knot
The attached drawing for closing the utility model specific embodiment, is clearly and completely described the technical solution of the utility model embodiment.
Identical appended drawing reference represents identical component in attached drawing.It should be noted that described embodiment is the utility model
A part of the embodiment, instead of all the embodiments.Based on described the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the model of the utility model protection
It encloses.
Unless otherwise defined, the technical term or scientific term used herein is should be in the utility model fields
The ordinary meaning that personage with general technical ability is understood.Make in the utility model patent application specification and claims
" first ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish
Different component parts.Equally, the similar word such as "one" or " one " also not necessarily indicates quantity limitation." comprising " or
The similar word such as "comprising" mean to occur element or object before the word cover the element for appearing in the word presented hereinafter or
Person's object and its equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is simultaneously non-limiting
It in physics or mechanical connection, but may include electrical connection, it is either direct or indirect."upper",
"lower", "left", "right" etc. are only used for indicating relative positional relationship, and after the absolute position for being described object changes, then this is opposite
Positional relationship may also correspondingly change.
The utility model is described in detail below by way of the mode of description example embodiment.
Fig. 1 and Fig. 2 is the local perspective view of staircase 1 according to the present utility model.Referring to Figures 1 and 2, staircase 1 is in staircase
Top includes a series of transmission components, to drive the step and handrail of staircase 1.Specifically, staircase 1 includes being fixed at master
Main drive wheel 21 and drive sprocket 23 on transmission shaft 22 and the driven sprocket 25 being fixed on handrail transmission shaft 26
With handrail driving wheel 27.Wherein, main shaft 22 and handrail transmission shaft 26 extend and parallel to each other in transverse direction, actively
Sprocket wheel 23 and driven sprocket 25 are aligned along the longitudinal direction, and handrail drive chain 24 is wound around drive sprocket 23 and driven sprocket 25 weeks
Enclose the chain link to form closure.As illustrated in fig. 1 and 2, defining the direction that main shaft 22 and handrail transmission shaft 26 extend is laterally
Direction perpendicular to transverse direction and is parallel to the direction on ground as longitudinal direction, and the direction perpendicular to ground is vertical direction.It is false
Determine the left side that drive sprocket 23, handrail drive chain 24, driven sprocket 25 are arranged at staircase 1, as shown in Figure 1.
In turn, the drive path of handrail are as follows: main drive wheel 21 receives the power from power source, passes through main shaft 22
It is transmitted to drive sprocket 23, then driven sprocket 25 is transmitted to by handrail drive chain 24, then passes through handrail transmission shaft 26
It is transmitted to handrail driving wheel 27, last handrail driving wheel 27 drives handrail movement.
Fig. 3 is handrail drive chain 24 too long schematic diagram when staircase 1 according to the present utility model is run down.Fig. 4 is
Handrail drive chain 24 too long schematic diagram when staircase 1 according to the present utility model is run up.
Referring to Fig. 3 and Fig. 4, and with continued reference to Fig. 1 and Fig. 2, describe for clarity, it is upper that handrail drive chain 24, which is divided,
The handrail drive chain 241 of side and the handrail drive chain 242 of lower section, it should be noted that the handrail drive chain 241 of top
Handrail drive chain 242 with lower section is continuous and collectively constitutes chain link, during exercise, the handrail drive chain 242 of lower section
It can be converted into the handrail drive chain 241 of top, the handrail drive chain 242 of lower section can be converted into the handrail drive chain of top
241, therefore, the handrail drive chain 241 of top and the handrail drive chain 242 of lower section are only used for description orientation, and refer not to
The specific part of handrail drive chain 24.
The monitoring system of handrail drive chain 24 for monitoring staircase 1 includes: the first proximity sensor 31, is faced upward
The handrail drive chain 241 of side is arranged in chain link, and is configured to the handrail drive chain 241 of sensing top；Second close biography
Sensor 32, handrail drive chain 242 downwards is arranged in chain link, and is configured to the handrail drive chain of sensing lower section
242.Monitoring system only passes through two proximity sensors, it can the effectively monitoring fracture of handrail drive chain 24 and too long, it is full
The requirement of sufficient technical specification not only simply can also be basically applied to the staircase 1 of existing all models, as long as staircase 1
There are enough space installation proximity sensors in chain link.Moreover, proximity sensor can be from obtaining, as long as selecting on the market
It is suitable.
One embodiment according to the present utility model, the first proximity sensor 31 are configured to when the handrail for sensing top
Drive chain 241 issues Fisrt fault signal when entering the first preset distance, and keeps staircase 1 out of service；Second proximity sensor
32 are configured to issue the second fault-signal when sensing the handrail drive chain 242 of lower section beyond the second preset distance, and make
Staircase 1 is out of service.
The course of work that system is monitored when handrail drive chain 24 occurs to be broken and is too long is described below.
Under normal operation, the distance between the handrail drive chain 241 of top and the first proximity sensor 31 are greater than
First preset distance, the distance between the handrail drive chain 242 of lower section and the second proximity sensor 32 are less than the second pre- spacing
From.
When handrail drive chain 24 is broken, the second proximity sensor 32 is caused to act, the position depending on its fracture
It sets, it is also possible to while the first proximity sensor being caused to act.Specifically, if handrail drive chain 24 is broken, under necessarily causing
The handrail drive chain 242 of side is dropped due to gravity, to exceed the second preset distance, so that the second proximity sensor 32 is dynamic
Make, issues the second fault-signal, and keep staircase 1 out of service.
A kind of special circumstances that handrail drive chain 24 is broken are described below.If the handrail drive chain of top
241 are broken near the first proximity sensor 31, so that the handrail for the top that the first proximity sensor 31 is faced drives
Dynamic chain 241 partially due to gravity drops, when into the first preset distance, the first proximity sensor 31 issues Fisrt fault
Signal, and keep staircase 1 out of service.At this point, chain link relaxation after being broken above due to handrail drive chain 24, leads to lower section
Handrail drive chain 242 also relaxes, and the handrail drive chain 242 of lower section exceeds the second preset distance, so that the second close sensing
Device 32 also acts, and issues the second fault-signal, and keep staircase 1 out of service.
As shown in figure 3, since drive sprocket 23 is by the drive movement of driven sprocket 25 of handrail drive chain 24, when staircase 1
When running down, drive sprocket 23 rotates counterclockwise, and the handrail drive chain 242 of lower section is tensioned, and drives driven sprocket 25 also inverse
Hour hands rotation, the relaxation of handrail drive chain 241 of top.Therefore, if handrail drive chain 24 is too long, the handrail of top is driven
First preset distance of the chain 241 due to falling and entering the first proximity sensor 31 under the action of gravity leads to the first close sensing
Device 31 acts, and issues Fisrt fault signal, and keep staircase 1 out of service.
As shown in figure 4, since drive sprocket 23 is by the drive movement of driven sprocket 25 of handrail drive chain 24, when staircase 1
When running up, drive sprocket 23 is rotated clockwise, and the handrail drive chain 241 of top is tensioned, and drives driven sprocket 25 also suitable
Hour hands rotation, the relaxation of handrail drive chain 242 of lower section.Therefore, if handrail drive chain 24 is too long, the handrail of lower section is driven
Second preset distance of the chain 242 due to falling and exceeding the second proximity sensor 32 under the action of gravity leads to the second close sensing
Device 32 acts, and issues the second fault-signal, and keep staircase 1 out of service.
Therefore, handrail drive chain when Fisrt fault signal is 1 downlink of handrail drive chain break signal or staircase
Too long signal；The handrail drive chain is too long when second fault-signal is 1 uplink of handrail drive chain break signal or staircase
Signal.It which proximity sensor movement can learn the type of the failure of generation from.Fisrt fault signal and the second fault-signal
It is simultaneously emitted by, shows that the fracture of handrail drive chain occurs.
First preset distance and the second preset distance need size and position according to drive sprocket 23 and driven sprocket 25,
The installation site of first proximity sensor 31 and the second proximity sensor 32, regulation of technical specification etc. determine.By reasonable
Ground designs the first preset distance and the second preset distance, can suitably monitor handrail drive chain fracture and too long, meet skill
The requirement of art specification.First preset distance is designed too small and the design of the second preset distance is too much, and handrail will be caused to drive
Chain 24 it is too long it is more can just be monitored to, or even can only monitor to be broken；The design of first preset distance is too much and second is predetermined
Distance is designed too small, will cause handrail drive chain 24 is slightly elongated to be just monitored to, influences the operation of staircase.According to this reality
With novel one embodiment, the first preset distance is 40mm, and the second preset distance is 40mm.
Optionally, the first proximity sensor 31 and the second proximity sensor 32 are that inductive proximity sensor or condenser type connect
Nearly sensor or photo-electric proximity sensor.Since handrail drive chain is made of metal material, therefore inductance type can be selected to connect
Nearly sensor or capacitive proximity sensor or photo-electric proximity sensor sense handrail drive chain 24.Preferably, first
Proximity sensor 31 and the second proximity sensor 32 are inductive proximity sensors, and inductive proximity sensor more cost has
Effect.
Optionally, the first proximity sensor 31 and the second proximity sensor 32 are positioned as vertically aligned.It is fixed in this way
The first proximity sensor 31 of position and the second proximity sensor 32 are conducive to the convenience of installation.
Optionally, the first proximity sensor 31 and the second proximity sensor 32 are located in chain link in a longitudinal direction
Portion.Since the tenesmus amount of gravity is the most obvious in the middle after handrail drive chain 24 is elongated, it is positioned such that the first close sensing
Device 31 and the second proximity sensor 32 are conducive to preferably monitor the too long of handrail drive chain 24.
Fig. 5 is the schematic plan view that the proximity sensor of monitoring system according to the present utility model is mounted on bracket 33.
Fig. 6 is the perspective illustration that the proximity sensor of monitoring system according to the present utility model is mounted on bracket 33.
As shown in Figure 5 and Figure 6, it is preferable that the first proximity sensor 31 and the second proximity sensor 32 may be mounted at branch
On frame 33, bracket 33 be may be mounted on crossbeam 34, and crossbeam 34 extends in transverse direction and is fixed on arm rest lift side sheet.Due to cross
Beam 34 is the existing component of staircase 1, and two proximity sensors are mounted on crossbeam 34 by bracket 33, so that the simple side of installation
Just, it is easy to upgrade existing staircase.
Preferably, the first proximity sensor 31 and the second proximity sensor 32 are mounted on bracket 33 by screw, bracket
33 are mounted on crossbeam 34 by screw.It is installed by screw, it is simple and reliable.
The utility model also proposed a kind of staircase 1, which includes monitoring system as described above, herein no longer in detail
It states.
Showing for monitoring system that the utility model is proposed and staircase is described in detail above in reference to preferred embodiment
Plasticity embodiment, however it will be appreciated by those skilled in the art that under the premise of without departing substantially from the utility model theory, can be with
A variety of modifications and remodeling are made to above-mentioned specific embodiment, and can to the utility model proposes various technical characteristics, structure
Multiple combinations are carried out, and without departing from the protection scope of the utility model.
Reference signs list
1 staircase
21 main drive wheels
22 main shafts
23 drive sprockets
24 handrail drive chains
The handrail drive chain of 241 tops
The handrail drive chain of 242 lower sections
25 driven sprockets
26 handrail transmission shafts
27 handrail driving wheels
31 first proximity sensors
32 second proximity sensors
33 brackets
34 crossbeams
Claims (10)
1. a kind of monitoring system, for monitoring the handrail drive chain (24) of staircase (1), which is characterized in that
The staircase (1) includes the main drive wheel (21) being fixed on main shaft (22) and active on staircase (1) top
Sprocket wheel (23) and the driven sprocket (25) and handrail driving wheel (27) being fixed on handrail transmission shaft (26),
Wherein, the main shaft (22) and the handrail transmission shaft (26) extend and parallel to each other in transverse direction, described
Drive sprocket (23) and the driven sprocket (25) are aligned along the longitudinal direction, and the handrail drive chain (24) is wound around the master
The chain link of closure is formed around movable sprocket (23) and the driven sprocket (25),
Wherein, main drive wheel (21) receives the power from power source, is transmitted to drive sprocket (23) by main shaft (22),
Driven sprocket (25) are transmitted to by handrail drive chain (24) again, are then transmitted to handrail by handrail transmission shaft (26)
Driving wheel (27), last handrail driving wheel (27) driving handrail movement,
The monitoring system includes:
First proximity sensor (31), the handrail drive chain towards top is arranged in the chain link, and is configured to sense
The handrail drive chain of top；
Second proximity sensor (32), handrail drive chain downwards is arranged in the chain link, and is configured to sense
The handrail drive chain of lower section.
2. monitoring system according to claim 1, which is characterized in that
First proximity sensor (31) is configured to when the handrail drive chain for sensing top enters the first preset distance
Fisrt fault signal is issued, and keeps staircase (1) out of service；
Second proximity sensor (32) is configured to when sensing the handrail drive chain of lower section beyond the second preset distance
The second fault-signal is issued, and keeps staircase (1) out of service.
3. monitoring system according to claim 2, which is characterized in that first preset distance be 40mm, described second
Preset distance is 40mm.
4. monitoring system according to claim 2, which is characterized in that
Fisrt fault signal handrail drive chain when being the handrail drive chain break signal or staircase (1) downlink
Too long signal；
Second fault-signal handrail drive chain when being the handrail drive chain break signal or staircase (1) uplink
Too long signal.
5. monitoring system according to claim 1, which is characterized in that first proximity sensor (31) and described second
Proximity sensor (32) is inductive proximity sensor or capacitive proximity sensor or photo-electric proximity sensor.
6. monitoring system according to any one of claim 1 to 5, which is characterized in that first proximity sensor
(31) and second proximity sensor (32) be positioned as it is vertically aligned.
7. monitoring system according to any one of claim 1 to 5, which is characterized in that first proximity sensor
(31) and second proximity sensor (32) is located in the middle part of the chain link in a longitudinal direction.
8. monitoring system according to any one of claim 1 to 5, which is characterized in that first proximity sensor
(31) it is mounted on bracket (33) with second proximity sensor (32), the bracket (33) is mounted on crossbeam (34), institute
Crossbeam (34) is stated to extend in transverse direction and be fixed on arm rest lift side sheet.
9. monitoring system according to claim 8, which is characterized in that first proximity sensor (31) and described second
Proximity sensor (32) is mounted on the bracket (33) by screw, and the bracket (33) is mounted on the crossbeam by screw
(34) on.
10. a kind of staircase (1), which is characterized in that including monitoring system according to claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361970.2U CN209685114U (en) | 2019-03-21 | 2019-03-21 | Monitoring system and staircase including the monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361970.2U CN209685114U (en) | 2019-03-21 | 2019-03-21 | Monitoring system and staircase including the monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN209685114U true CN209685114U (en) | 2019-11-26 |
Family
ID=68605501
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920361970.2U Active CN209685114U (en) | 2019-03-21 | 2019-03-21 | Monitoring system and staircase including the monitoring system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125150A (en) * | 2021-04-20 | 2021-07-16 | 武汉信达天成物联网技术有限公司 | Method and system for monitoring health state of drive chain on line |
-
2019
- 2019-03-21 CN CN201920361970.2U patent/CN209685114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125150A (en) * | 2021-04-20 | 2021-07-16 | 武汉信达天成物联网技术有限公司 | Method and system for monitoring health state of drive chain on line |
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