CN208135790U - A kind of elevator speed limit Safety system - Google Patents
A kind of elevator speed limit Safety system Download PDFInfo
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- CN208135790U CN208135790U CN201820236151.0U CN201820236151U CN208135790U CN 208135790 U CN208135790 U CN 208135790U CN 201820236151 U CN201820236151 U CN 201820236151U CN 208135790 U CN208135790 U CN 208135790U
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- Prior art keywords
- expansion tightening
- tightening wheel
- speed limit
- elevator
- switch
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Abstract
The utility model discloses a kind of elevator speed limit Safety systems, it includes the speed limit wirerope for being installed on elevator frame and connecting with limiter of speed, it rides in the expansion tightening wheel of speed limit wirerope bottom end, the weight for tightening speed limit wirerope with the wheel axis connection of expansion tightening wheel, it is installed on the expansion tightening wheel switch of the wheel shaft of expansion tightening wheel, the expansion tightening wheel switch is connected with elevator host controller, the elevator speed limit Safety system further includes switching switch, the expansion tightening wheel backup circuit breaker being set side by side is switched with expansion tightening wheel, the triggering distance of the expansion tightening wheel backup circuit breaker is bigger than the triggering distance that expansion tightening wheel switchs, the expansion tightening wheel backup circuit breaker with switching switch connect after with expansion tightening wheel switch in parallel access speed limit Safety system.When expansion tightening wheel switch first touches triggering frame and causes Lift out of order is out of service to cause oppressive, close the switch switching, circuit conducting where making expansion tightening wheel backup circuit breaker, circuit where replacement expansion tightening wheel switch, keeps elevator to run to level position the people for saving stranded elevator.
Description
Technical field
The utility model relates to elevator safety technology more particularly to a kind of elevator speed limit Safety systems.
Background technique
Speed limit wirerope is set to maintain vertical state, elevator currently, hanging expansion tightening wheel and weight under the speed limit wirerope of elevator
When excessive velocities of falling or other fortuitous events, speed limit wirerope is for driving limiter of speed to slow down elevator, promptly
Situation promotes limiter of speed temporary lock elevator, cannot not stop at correspondingly level position usually at this time, i.e. gate and hall door is misaligned simultaneously
And the case where gate can not be opened, cause elevator malfunction.The switch of triggering limiter of speed is mounted to the tensioner of the wheel carrier of expansion tightening wheel
Wheel switch.Since wheel carrier is limited with certain altitude, the heave amplitude of wheel carrier is limited, so expansion tightening wheel switch is installed on wheel carrier,
The heave amplitude of this switch is limited, and speed limit wirerope usually has the higher mansion of the property expanded with heat and contract with cold, especially floor,
After the stretching amplitude of its speed limit wirerope is beyond limitation, the easy elevator of triggering under secure conditions is out of service, leads to elevator
Operation troubles.Caused by such case is mostly elevator safety, and the operation of speed limit wirerope is stretched out, speed limit need to be only adjusted
The installation situation of wirerope makes to take turns rack position raising to which the expansion tightening wheel position of the switch increases.However before this, elevator is usual
It is to bottle up people in carriage, there need to be the professional elevator mainte-nance personnel of waiting to come to the rescue, need to usually there is even half an hour more than ten minutes
Or one more than hour, the time of waiting and the anxiety psychology waited usually allow occupant to feel bad and fear.
Summary of the invention
In view of the deficiencies of the prior art, the technical problem to be solved by the present invention is to provide one kind can quickly save it is stranded
The elevator speed limit Safety system of personnel.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is：A kind of elevator speed limit peace control system
System, including the limiter of speed gone up and down with lift car, the speed limit wirerope for being installed on elevator frame and being fixedly connected with limiter of speed, ride in
Speed limit wirerope bottom end tightens the expansion tightening wheel of speed limit wirerope and the wheel axis connection of expansion tightening wheel and counterweight keeps speed limit wirerope taut
The expansion tightening wheel of tight weight, the wheel shaft for being installed on expansion tightening wheel switchs, and the expansion tightening wheel switch is connected with elevator host controller, institute
State the expansion tightening wheel backup circuit breaker that elevator speed limit Safety system further includes switching switch, is set side by side with expansion tightening wheel switch, institute
The triggering distance for stating expansion tightening wheel backup circuit breaker is bigger than the triggering distance that expansion tightening wheel switchs, and the expansion tightening wheel backup circuit breaker is cut with described
It changes after switch series connection and accesses speed limit Safety system with the expansion tightening wheel switch in parallel.
A kind of improvement of technical solution as the utility model elevator speed limit Safety system, the speed limit Safety system are equipped with
Including it is described switching switch switching device, the switching device connect with elevator host controller electric signal transmission and with it is described
Switch switched electrical signal control connection.
A kind of improvement of technical solution as the utility model elevator speed limit Safety system, the elevator host controller
Connection is connected with the limiter of speed electric signal.
A kind of improvement of technical solution as the utility model elevator speed limit Safety system, the expansion tightening wheel backup circuit breaker
The triggering distance that switchs than expansion tightening wheel of triggering distance it is at least 1 millimeter big.
A kind of improvement of technical solution as the utility model elevator speed limit Safety system, the expansion tightening wheel backup circuit breaker
The triggering that switchs than expansion tightening wheel of triggering distance apart from 2 ~ 15 millimeters big.
A kind of improvement of technical solution as the utility model elevator speed limit Safety system, the expansion tightening wheel backup circuit breaker
The triggering that switchs than expansion tightening wheel of triggering distance apart from 5 millimeters big.
A kind of improvement of technical solution as the utility model elevator speed limit Safety system, the speed limit Safety system are set
Have for installing expansion tightening wheel wheel shaft and hanging the wheel carrier of the weight, fixed branch horizontally disposed and that top switch triggering distance can be touched
Frame, the expansion tightening wheel switch and expansion tightening wheel backup circuit breaker are installed on the wheel carrier.
A kind of improvement of technical solution as the utility model elevator speed limit Safety system, expansion tightening wheel switch can
Stroke is greater than expansion tightening wheel switch and expansion tightening wheel backup circuit breaker and support bracket fastened range difference.
A kind of improvement of technical solution as the utility model elevator speed limit Safety system, the switching switch is relay
Device.
The beneficial effects of the utility model are：Since the speed limit Safety system of this elevator is provided with, expansion tightening wheel is spare to be opened
It closes, and installation site is bigger than expansion tightening wheel switch distance triggering frame, expansion tightening wheel switch first touches triggering frame and leads to elevator
Fault warning does not stop at corresponding level position usually at this time to stopping running immediately, i.e., gate be misaligned with hall door and
Gate can not be opened, oppressive situation is caused.When such case leads to oppressive, system control or manual operation close switching switch
It closes, so that circuit conducting where expansion tightening wheel backup circuit breaker, circuit where replacement expansion tightening wheel switch, keep elevator to run to leveling position
Set the people that rescue is trapped in lift car.
Detailed description of the invention
Fig. 1 is a kind of organigram of elevator speed limit Safety system of the utility model.
Fig. 2 is the structural schematic diagram of elevator and its speed limit Safety system.
Fig. 3 is the part elevation structural schematic diagram of elevator speed limit Safety system.
Fig. 4 is the back side dimensional structure diagram of elevator speed limit Safety system part shown in Fig. 3.
Specific embodiment
Further illustrate specific embodiment of the present utility model with reference to the accompanying drawing.
As shown in Figure 1, a kind of elevator speed limit Safety system of the utility model, including the limiter of speed gone up and down with lift car 11
12, be installed on elevator frame and be fixedly connected with limiter of speed 12 speed limit wirerope 21, ride and tightened in 21 bottom end of speed limit wirerope
The expansion tightening wheel 22 of speed limit wirerope 21, with the wheel axis connection of expansion tightening wheel 22 and weight 23 that counterweight tightens speed limit wirerope 21,
It is installed on the expansion tightening wheel switch 25 of the wheel shaft of expansion tightening wheel 22, the expansion tightening wheel switch 25 and elevator host controller 15 are in series
Daily speed limit peace control circuit, the elevator speed limit Safety system further include that switching switch 18 and the expansion tightening wheel switch 25 are arranged side by side
The expansion tightening wheel backup circuit breaker 26 of setting, the triggering distance of the triggering distance of the expansion tightening wheel backup circuit breaker 26 than expansion tightening wheel switch 25
Greatly, the expansion tightening wheel backup circuit breaker 26 access speed limit in parallel with the expansion tightening wheel switch 25 peace after connecting with the switching switch 18
Control system.Since the speed limit Safety system of this elevator is provided with expansion tightening wheel backup circuit breaker 26, and installation site is switched than expansion tightening wheel
25 distance triggering framves are bigger, and expansion tightening wheel switch 25 first touches triggering frame and leads to Lift out of order alarm to stop fortune immediately
Row, cannot not stop at correspondingly level position usually at this time, i.e. gate and hall door is misaligned and can not open gate, cause oppressive
Situation.When such case leads to oppressive, system control or manual operation make to switch the closure of switch 18, make expansion tightening wheel backup circuit breaker 26
The conducting of place circuit, replaces 25 place circuit of expansion tightening wheel switch, and elevator is kept to run to level position the people for saving stranded elevator.
More preferably, which is equipped with the switching device 16 with switching 18 electric signal of the switch control connection,
The switching device 16 is connect with 15 electric signal transmission of elevator host controller.Elevator meets the elevator event that expansion tightening wheel switch 25 triggers
When barrier judges not elevator essence failure, then passes through elevator host controller 15 and indicate the control switching switch of switching device 16
18 closures save the people of stranded lift car so that 25 place stand-by circuit of expansion tightening wheel backup circuit breaker is temporarily connected and is rescued
Member.The disconnection and closure or on-site manual closure that this switches switch 18 can certainly be remotely controlled by elevator mainte-nance personnel
The switching switch 18 temporarily runs elevator using stand-by circuit, until completing the rescue to trapped person in lift car.
More preferably, connection is connected with 12 electric signal of limiter of speed for the elevator host controller 15, obtains limiter of speed 12
Fault condition, and locking of the limiter of speed 12 to elevator is released when stand-by circuit enables.
More preferably, the triggering distance of the expansion tightening wheel backup circuit breaker 26 is bigger by least 1 than the triggering distance of expansion tightening wheel switch 25
Millimeter.Specifically, the fixation support level setting of expansion tightening wheel switch 25 and expansion tightening wheel backup circuit breaker 26, expansion tightening wheel switch 25 are triggered
Consistent with the installation direction of expansion tightening wheel backup circuit breaker 26,26 installation site of expansion tightening wheel backup circuit breaker is more slightly higher than expansion tightening wheel switch 25,
When the triggering of expansion tightening wheel switch 25 disconnects, expansion tightening wheel backup circuit breaker 26 still be can be used normally.Fixed bracket can be set to rank
Scalariform, different steps trigger expansion tightening wheel switch 25 and expansion tightening wheel backup circuit breaker 26 respectively, in this case, expansion tightening wheel switch 25 and rising
Bearing up pulley backup circuit breaker 26 may be mounted at sustained height position in addition expansion tightening wheel backup circuit breaker 26 can be mounted so as to it is lower.
Preferably, the triggering distance of the expansion tightening wheel backup circuit breaker 26 is than the triggering of expansion tightening wheel switch 25 apart from big 2 ~ 15 milli
Rice, expansion tightening wheel switch 25 is triggered when disconnecting, and expansion tightening wheel backup circuit breaker 26 is still closed spare.It is highly preferred that the expansion tightening wheel
The triggering distance of backup circuit breaker 26 apart from 5 millimeters big, obtain more suitable distance, makes expansion tightening wheel than the triggering of expansion tightening wheel switch 25
Backup circuit breaker 26 is unlikely to and is still closed spare.
Specifically, the speed limit Safety system is equipped with for installing 22 wheel shaft of expansion tightening wheel and hanging the wheel carrier of the weight
28, it is horizontally disposed with and can touch the fixation bracket 31 of top switch triggering distance, wheel carrier 28 can move in fixed bracket 31, keep flat
Weighing apparatus, fixed bracket 31 are also used to trigger expansion tightening wheel switch in addition to maintaining wheel carrier balance.The expansion tightening wheel switch 25 and expansion tightening wheel are standby
It is installed on the wheel carrier 28 with switch 26, keep two switch installations reliable and stable and is balanced.
More preferably, the scalable amount of the expansion tightening wheel switch 25 be greater than expansion tightening wheel switch 25 and expansion tightening wheel backup circuit breaker 26 and
The range difference of fixed bracket 31, so that failure cause caused by non-throttling wirerope extends naturally triggers two switches simultaneously, then
It is not available 26 place stand-by circuit of expansion tightening wheel backup circuit breaker to be rescued, maloperation is avoided to cause danger.
More preferably, the switching switch is relay, can be convenient quickly switching circuit.
It above disclosure is merely preferred embodiments of the utility model, certainly cannot be practical new to limit this with this
The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered
Range.
Claims (9)
1. a kind of elevator speed limit Safety system, including gone up and down with lift car limiter of speed, be installed on elevator frame and and limiter of speed
The speed limit wirerope that is fixedly connected, ride in speed limit wirerope bottom end tighten speed limit wirerope expansion tightening wheel, with the wheel of expansion tightening wheel
The expansion tightening wheel switch of axis connection and weight, the wheel shaft for being installed on expansion tightening wheel that counterweight tightens speed limit wirerope, the expansion tightening wheel
Switch is connected with elevator host controller, it is characterised in that：The elevator speed limit Safety system further include switching switch, with it is described
Expansion tightening wheel switchs the expansion tightening wheel backup circuit breaker being set side by side, what the triggering distance of the expansion tightening wheel backup circuit breaker was switched than expansion tightening wheel
Triggering distance is big, the expansion tightening wheel backup circuit breaker is switched with the switching connect after with expansion tightening wheel switch in parallel access speed limit
Safety system.
2. elevator speed limit Safety system according to claim 1, it is characterised in that：It includes institute that the speed limit Safety system, which is equipped with,
The switching device of switching switch is stated, the switching device connect with elevator host controller electric signal transmission and opens with the switching
Powered-down signal control connection.
3. elevator speed limit Safety system according to claim 1, it is characterised in that：The elevator host controller with it is described
The conducting connection of limiter of speed electric signal.
4. elevator speed limit Safety system according to claim 3, it is characterised in that：The triggering of the expansion tightening wheel backup circuit breaker
Distance is at least 1 millimeter bigger than the triggering distance that expansion tightening wheel switchs.
5. elevator speed limit Safety system according to claim 4, it is characterised in that：The triggering of the expansion tightening wheel backup circuit breaker
The triggering that distance is switched than expansion tightening wheel is apart from 2 ~ 15 millimeters big.
6. elevator speed limit Safety system according to claim 1, it is characterised in that：The triggering of the expansion tightening wheel backup circuit breaker
The triggering that distance is switched than expansion tightening wheel is apart from 5 millimeters big.
7. elevator speed limit Safety system according to claim 1, it is characterised in that：The speed limit Safety system is equipped with and is used for
Installation expansion tightening wheel wheel shaft simultaneously hangs the wheel carrier of the weight, fixation bracket that is horizontally disposed and can touching top switch triggering distance, institute
It states expansion tightening wheel switch and expansion tightening wheel backup circuit breaker is installed on the wheel carrier.
8. elevator speed limit Safety system according to claim 7, it is characterised in that：The scalable amount of the expansion tightening wheel switch
Greater than expansion tightening wheel switch and expansion tightening wheel backup circuit breaker and support bracket fastened range difference.
9. elevator speed limit Safety system according to claim 1, it is characterised in that：The switching switch is relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820236151.0U CN208135790U (en) | 2018-02-09 | 2018-02-09 | A kind of elevator speed limit Safety system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820236151.0U CN208135790U (en) | 2018-02-09 | 2018-02-09 | A kind of elevator speed limit Safety system |
Publications (1)
| Publication Number | Publication Date |
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| CN208135790U true CN208135790U (en) | 2018-11-23 |
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ID=64286851
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820236151.0U Active CN208135790U (en) | 2018-02-09 | 2018-02-09 | A kind of elevator speed limit Safety system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217502A (en) * | 2018-02-09 | 2018-06-29 | 广东亚太西奥电梯有限公司 | A kind of elevator speed limit Safety system |
-
2018
- 2018-02-09 CN CN201820236151.0U patent/CN208135790U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217502A (en) * | 2018-02-09 | 2018-06-29 | 广东亚太西奥电梯有限公司 | A kind of elevator speed limit Safety system |
| CN108217502B (en) * | 2018-02-09 | 2024-01-12 | 广东亚太西奥电梯有限公司 | Elevator speed-limiting safety control system |
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