CN107215729A - Elevator internal contracting brake power automatic testing method - Google Patents
Elevator internal contracting brake power automatic testing method Download PDFInfo
- Publication number
- CN107215729A CN107215729A CN201710571490.4A CN201710571490A CN107215729A CN 107215729 A CN107215729 A CN 107215729A CN 201710571490 A CN201710571490 A CN 201710571490A CN 107215729 A CN107215729 A CN 107215729A
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- China
- Prior art keywords
- elevator
- measured
- brake power
- safe distance
- distance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Abstract
The invention discloses a kind of elevator internal contracting brake power automatic testing method, including：By elevator cars with full load to be measured, elevator to be measured is started downwards, when the speed of service of elevator reaches contract speed, brake elevator to be measured；Elevator to be measured stops completely, records the fully loaded coasting distance of elevator to be measured；Fully loaded coasting distance is compared with safe distance；When fully loaded coasting distance is more than safe distance, elevator to be measured is out of service, and when being fully loaded with coasting distance less than safe distance, the band-type brake power of elevator to be measured is qualified；150% load is put into elevator to be measured, whether the traction sheave that elevator to be measured is monitored in safety time rotates, traction sheave is rotated, elevator to be measured is out of service；Traction sheave is rotates, and the band-type brake power of elevator to be measured is qualified.The advantage of the invention is that：The band-type brake power that binomial trial detects elevator is overloaded by elevator cars with full load and elevator, is not required to borrow artificial experience, testing result is more accurate, time saving and energy saving.
Description
Technical field
The present invention relates to elevator detection field, more particularly, to a kind of elevator internal contracting brake power automatic testing method.
Background technology
With the continuous social and economic development, skyscraper starts to be on the increase, and elevator is more and more nearer from the life of people,
And band-type brake plays vital effect as elevator car safety.Due to long-term use constantly repeatedly, band-type brake can be because of abrasion
Coefficient of friction is caused to reduce, or even failure.Band-type brake is once fail, and elevator will be out of control therewith, causes passenger injured even
Death, causes irretrievable loss, it can be seen that, band-type brake power is the important Testing index of elevator safety.At present, band-type brake power
Detection is artificial participation mostly, and artificial judgment, this detection method accuracy rate is relatively low, higher to the skill requirement of staff,
Take time and effort.
Therefore, it is necessary to which accuracy rate, time saving and energy saving elevator internal contracting brake power automatic testing method can be improved by developing one kind.
The information for being disclosed in background of invention part is merely intended to deepen the reason of the general background technology to the present invention
Solution, and be not construed as recognizing or imply known to those skilled in the art existing of the information structure in any form
Technology.
The content of the invention
The present invention proposes a kind of elevator internal contracting brake power automatic testing method, and it makes band-type brake power by double check band-type brake power
The accuracy rate of detection is higher.
According to a kind of elevator internal contracting brake power automatic testing method of the present invention, including：
By elevator cars with full load to be measured, the elevator to be measured is set to start downwards, when the speed of service of elevator reaches contract speed,
Brake the elevator to be measured；
The elevator to be measured stops completely, records the fully loaded coasting distance of the elevator to be measured；
The fully loaded coasting distance is compared with safe distance；
When the fully loaded coasting distance is more than the safe distance, the elevator to be measured is out of service, and described be fully loaded with is slided
When distance is less than the safe distance, the band-type brake power of the elevator to be measured is qualified；
150% load is put into the elevator to be measured, the traction sheave of the elevator to be measured is monitored in safety time is
No to rotate, the traction sheave is rotated, and the elevator to be measured is out of service；
The traction sheave is rotates, and the band-type brake power of the elevator to be measured is qualified.
Preferably, the contract speed includes the first contract speed 1.0m/s, the second contract speed 1.5m/s, the 3rd contract
Speed 1.75m/s.
Preferably, the safe distance includes the first safe distance and the second safe distance.
Preferably, when the contract speed is the first contract speed, first safe distance is 35cm, second peace
Full distance is 45cm, when the contract speed is the second contract speed, and first safe distance is 110cm, second peace
Full distance is 120cm, when the contract speed is three contract speed, and first safe distance is 160cm, second peace
Full distance is 170cm.
Preferably, when the contract speed is more than or equal to second safe distance, the elevator to be measured is out of service；Institute
State contract speed more than or equal to first safe distance be less than second safe distance when, controller sends alarm, described
When contract distance is less than first safe distance, the band-type brake power of the elevator to be measured is qualified.
Preferably, the fully loaded coasting distance is obtained by range sensor.
Preferably, the safety time is 8-12 minutes.
Preferably, the signal on the traction sheave with shaft encoder is read in real time, judges whether the traction sheave rotates.
Preferably, the signal of the encoder is pulse value or rotation angle value.
According to a kind of elevator internal contracting brake power automatic testing method of the present invention, it is characterised in that：Pass through elevator cars with full load and elevator
The band-type brake power that binomial trial detects elevator is overloaded, is not required to borrow artificial experience, testing result is more accurate, time saving and energy saving.
The method of the present invention has other characteristics and an advantage, these characteristics and advantage from the accompanying drawing being incorporated herein and with
It will be apparent, or will enter in the accompanying drawing that is incorporated herein and subsequent specific embodiment in specific embodiment afterwards
Row statement in detail, these the drawings and specific embodiments are provided commonly for explaining the certain principles of the present invention.
Brief description of the drawings
By the way that exemplary embodiment of the present is described in more detail with reference to accompanying drawing, of the invention is above-mentioned and other
Purpose, feature and advantage will be apparent, wherein, in exemplary embodiments of the present invention, identical reference is usual
Represent same parts.
Fig. 1 shows a kind of step of elevator internal contracting brake power automatic testing method according to one exemplary embodiment of the present invention
Rapid flow chart.
Embodiment
The present invention is more fully described below with reference to accompanying drawings.Although showing the preferred embodiments of the present invention in accompanying drawing,
However, it is to be appreciated that may be realized in various forms the present invention without that should be limited by embodiments set forth here.It is opposite there is provided
These embodiments are in order that the present invention is more thorough and complete, and can will fully convey the scope of the invention to ability
The technical staff in domain.
The invention provides a kind of elevator internal contracting brake power automatic testing method, including：
By elevator cars with full load to be measured, elevator to be measured is set to start downwards, when the speed of service of elevator reaches contract speed, braking
Elevator to be measured；
Elevator to be measured stops completely, records the fully loaded coasting distance of elevator to be measured；
Fully loaded coasting distance is compared with safe distance；
When fully loaded coasting distance is more than safe distance, elevator to be measured is out of service, is fully loaded with coasting distance and is less than safe distance
When, the band-type brake power of elevator to be measured is qualified；
150% load is put into elevator to be measured, whether the traction sheave that elevator to be measured is monitored in safety time rotates, and drags
Running wheel is rotated, and elevator to be measured is out of service；
Traction sheave is rotates, and the band-type brake power of elevator to be measured is qualified.
The band-type brake power that binomial trial detects elevator is overloaded by elevator cars with full load and elevator, is not required to borrow artificial experience, detection
As a result it is more accurate, it is time saving and energy saving.
Wherein, contract speed includes the first contract speed 1.0m/s, the second contract speed 1.5m/s, the 3rd contract speed
1.75m/s。
Preferably, safe distance includes the first safe distance and the second safe distance.
When contract speed is the first contract speed, the first safe distance is 35cm, and the second safe distance is 45cm, contract speed
When spending for the second contract speed, the first safe distance is 110cm, and the second safe distance is 120cm, and contract speed is the 3rd contract
During speed, the first safe distance is 160cm, and the second safe distance is 170cm.
Preferably, coasting distance is fully loaded with to obtain by range sensor.
When contract speed is more than or equal to the second safe distance, the band-type brake power of elevator is seriously less than normal, and elevator to be measured stops fortune
OK；When contract speed, which is more than or equal to the first safe distance, is less than the second safe distance, the band-type brake power of elevator is less than normal, controller hair
Go out alarm, when contract distance is less than the first safe distance, the band-type brake power of elevator to be measured is qualified.
Preferably, safety time is 8-12 minutes.
Elevator to be measured stands 8-12 minutes in the case of load 150%, observes the rotation situation of traction sheave.Load
Detected under 150% situation, make the security of elevator higher.
Preferably, the signal on traction sheave with shaft encoder is read in real time, judges whether the traction sheave rotates.
Judge whether traction sheave rotates by the pulse value or rotation angle value on encoder.Traction sheave rotates then elevator
Band-type brake power needs to be debugged again, and traction sheave does not rotate, then the band-type brake power of elevator is qualified.
Embodiment
Fig. 1 shows a kind of step of elevator internal contracting brake power automatic testing method according to one exemplary embodiment of the present invention
Rapid flow chart.
As shown in figure 1, a kind of elevator internal contracting brake power automatic testing method of the present embodiment, including：
By elevator cars with full load to be measured, elevator to be measured is set to start downwards, when the speed of service of elevator reaches contract speed, braking
Elevator to be measured；
Elevator to be measured stops completely, records the fully loaded coasting distance of elevator to be measured；
Fully loaded coasting distance is compared with safe distance；
When fully loaded coasting distance is more than safe distance, elevator to be measured is out of service, is fully loaded with coasting distance and is less than safe distance
When, the band-type brake power of elevator to be measured is qualified；
150% load is put into elevator to be measured, whether the traction sheave that elevator to be measured is monitored in safety time rotates, and drags
Running wheel is rotated, and elevator to be measured is out of service；
Traction sheave is rotates, and the band-type brake power of elevator to be measured is qualified.
Contract speed is chosen according to elevator walking story height, 7-15 layers of floor height then passes through the first contract speed 1.0m/s
Tested, floor height is 16-25 layer then to be tested by the second contract speed 1.5m/s, and floor height is for more than 26 layers then by the
Three contract speed 1.75m/s are tested.
The present embodiment selects the elevator of 22 floor heights to be tested using building, then when reaching the second contract speed 1.5m/s,
Elevator brake, the fully loaded coasting distance of record.
In the present embodiment, it is 90cm to be fully loaded with coasting distance.Then the band-type brake power of the elevator is qualified.
Elevator to be measured is stood 10 minutes in the case of load 150%, passes through the rotary angle signal on encoder, test
Rotated to traction sheave, re-start overload test after the performance of staff's debugging traction machine, draging after debugging
Running wheel is rotates, then the band-type brake power of the elevator to be measured is qualified.
It is described above embodiments of the invention, described above is exemplary, and non-exclusive, and also not
It is limited to disclosed embodiment.In the case of the scope and spirit without departing from embodiment described, for the art
Those of ordinary skill for many modifications and changes will be apparent from.The selection of term used herein, it is intended to best
Principle, practical application or the improvement to the technology in market of embodiment are explained in ground, or make the other common of the art
Technical staff is understood that embodiments disclosed herein.
Claims (9)
1. a kind of elevator internal contracting brake power automatic testing method, it is characterised in that including：
By elevator cars with full load to be measured, the elevator to be measured is set to start downwards, when the speed of service of elevator reaches contract speed, braking
The elevator to be measured；
The elevator to be measured stops completely, records the fully loaded coasting distance of the elevator to be measured；
The fully loaded coasting distance is compared with safe distance；
When the fully loaded coasting distance is more than the safe distance, the elevator to be measured is out of service, the fully loaded coasting distance
During less than the safe distance, the band-type brake power of the elevator to be measured is qualified；
150% load is put into the elevator to be measured, whether the traction sheave that the elevator to be measured is monitored in safety time turns
Dynamic, the traction sheave is rotated, and the elevator to be measured is out of service；
The traction sheave is rotates, and the band-type brake power of the elevator to be measured is qualified.
2. elevator internal contracting brake power automatic testing method according to claim 1, wherein, the contract speed includes the first contract
Speed 1.0m/s, the second contract speed 1.5m/s, the 3rd contract speed 1.75m/s.
3. elevator internal contracting brake power automatic testing method according to claim 2, wherein, the safe distance includes the first safety
Distance and the second safe distance.
4. elevator internal contracting brake power automatic testing method according to claim 3, wherein, the contract speed is the first contract speed
When spending, first safe distance is 35cm, and second safe distance is 45cm, and the contract speed is the second contract speed
When, first safe distance is 110cm, and second safe distance is 120cm, and the contract speed is the 3rd contract speed
When, first safe distance is 160cm, and second safe distance is 170cm.
5. elevator internal contracting brake power automatic testing method according to claim 4, wherein, the contract speed is more than or equal to described
During the second safe distance, the elevator to be measured is out of service；The contract speed is less than more than or equal to first safe distance
During second safe distance, controller sends alarm, described to be measured when the contract distance is less than first safe distance
The band-type brake power of elevator is qualified.
6. elevator internal contracting brake power automatic testing method according to claim 1, wherein, the fully loaded coasting distance passes through distance
Sensor is obtained.
7. elevator internal contracting brake power automatic testing method according to claim 1, wherein, the safety time is 8-12 minutes.
8. elevator internal contracting brake power automatic testing method according to claim 1, wherein, read in real time coaxial on the traction sheave
The signal of encoder, judges whether the traction sheave rotates.
9. elevator internal contracting brake power automatic testing method according to claim 8, wherein, the signal of the encoder is pulse value
Or rotation angle value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710571490.4A CN107215729A (en) | 2017-07-13 | 2017-07-13 | Elevator internal contracting brake power automatic testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710571490.4A CN107215729A (en) | 2017-07-13 | 2017-07-13 | Elevator internal contracting brake power automatic testing method |
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| Publication Number | Publication Date |
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| CN107215729A true CN107215729A (en) | 2017-09-29 |
Family
ID=59952289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710571490.4A Pending CN107215729A (en) | 2017-07-13 | 2017-07-13 | Elevator internal contracting brake power automatic testing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792868A (en) * | 2018-06-30 | 2018-11-13 | 上海江菱机电有限公司 | The detection method of brake sticking brake power |
| CN112357708A (en) * | 2020-11-04 | 2021-02-12 | 深圳市海浦蒙特科技有限公司 | Elevator brake performance detection method and system |
| US11034545B2 (en) | 2018-03-26 | 2021-06-15 | Otis Elevator Company | Method and system for brake testing an elevator car |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11034545B2 (en) | 2018-03-26 | 2021-06-15 | Otis Elevator Company | Method and system for brake testing an elevator car |
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| CN112357708A (en) * | 2020-11-04 | 2021-02-12 | 深圳市海浦蒙特科技有限公司 | Elevator brake performance detection method and system |
| CN112357708B (en) * | 2020-11-04 | 2022-03-15 | 深圳市海浦蒙特科技有限公司 | Elevator brake performance detection method and system |
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Application publication date: 20170929 |
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