CN107176520A - The no-load measurement apparatus and method of a kind of balance coefficient of elevator - Google Patents
The no-load measurement apparatus and method of a kind of balance coefficient of elevator Download PDFInfo
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- CN107176520A CN107176520A CN201710365423.7A CN201710365423A CN107176520A CN 107176520 A CN107176520 A CN 107176520A CN 201710365423 A CN201710365423 A CN 201710365423A CN 107176520 A CN107176520 A CN 107176520A
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- elevator
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- counterweight
- balance coefficient
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- 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
- B66B5/0037—Performance analysers
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention relates to a kind of no-load measurement apparatus of balance coefficient of elevator.Solve in the prior art to there is balance coefficient of elevator detection wastes time and energy, cost is high, the problem of do not consider SR, install not convenient.Device includes test side and control end, and test side includes difference detection unit, lifting unit, and control end includes operating unit and radio receiving unit, and operating unit includes processing unit and display unit.The present invention calculates balance coefficient of elevator by detecting the weight difference of cage side and counterweight-side, is located at same level position measurement counterweight and the poor mode of car weight, the more convenient measurement of the present apparatus, while eliminating the influence of SR compared to by counterweight and car.
Description
Technical field
The present invention relates to a kind of elevator technology field, more particularly, to a kind of no-load measurement apparatus of balance coefficient of elevator
And method.
Background technology
By the end of the year 2016, China has nearly 5,000,000 of elevator.Elevator newly-increased every year reaches more than 500,000 at present,
As global maximum elevator manufacture base and elevator market.The measurement of coefficient of balance is the important component that elevator is examined,
No. 2 amendment (exposure draft) of the TSG T7001-2009 come into effect on July 1st, 2016 is to balance coefficient of elevator
Detection proposes requirements at the higher level, especially refer to the no-load measurement of balance coefficient of elevator.
The method of testing that existing elevator technology standard is used with elevator inspection rule is：Car loads payload ratings respectively
Amount 30%, 40%, 45%, 50%, 60% makees upper and lower whole operation, when car and counterweight run to same level position, note
Current value is recorded, electric current-load curve is drawn, coefficient of balance is determined with the intersection point of operation curve up and down.During this method is used
Need to carry counterweight, inspection is wasted time and energy, cost is high.
In recent years, the no-load Testing Technology Study of coefficient of balance is received more and more attention, and wherein weight method is due to claiming
Retransmit sensor highly reliable, good economy performance is the important component that no-load tests balance coefficient of elevator.Mainly include following
2 kinds：1. " weight method " examinations are pressed by TT virus Science and Technology Ltd. of Shenzhen, detected using German LSM1 types coefficient of balance
Instrument, stops operating mode in zero load and tests the traction rope tension of traction sheave both sides every respectively, collects that to obtain car gross weight total with counterweight
Weight, with this calculated equilibrium coefficient value, provides examining report.2. the weight method that Dalian company releases places weighing sensor
Above counterweight buffer, in the case where being declutched to brake, asked by the numerical value and lift car nominal parameter of sensor
Obtain balance coefficient of elevator.
The no-load measuring technology of balance coefficient of elevator has been developed that the more than ten years, and above-mentioned several method is to influence wider
General, but have some limitations：A) the corresponding detecting instrument released, accuracy of detection index is indefinite or does not obtain metering inspection
Determine, do not obtain industry accreditation, such as above-mentioned method 1,2 does not consider influence of the SR to measurement accuracy.B) dynamometry of use, title
Test device is not convenient in detection operation in-site installation again etc., and such as method 1 is for the compact elevator of main frame and does not apply to, for nothing
Machine room elevator is not applied to yet.
The content of the invention
The present invention, which mainly solves in the prior art to there is balance coefficient of elevator detection, to waste time and energy, cost is high, do not examine
There is provided the no-load measurement apparatus and method of a kind of balance coefficient of elevator for the problem of considering SR, install not convenient.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：A kind of balance coefficient of elevator
No-load measurement apparatus, including test side and control end, test side include examining cage side and counterweight-side weight difference
Wireless transmitting unit is connected with the difference detection unit of survey, the lifting unit for being lifted counterweight, difference test side, is controlled
End includes operating unit and radio receiving unit, and operating unit includes the processing list according to detection mathematic interpolation balance coefficient of elevator
Member and display unit, display unit is connected with processing unit, and processing unit is connected with radio receiving unit, radio receiving unit and
Wireless transmitting unit is connected by wireless network.Counterweight is carried out at the uniform velocity raising and lowering, and leading to by the present invention by lifting unit
Cross the weight difference that difference detection unit detects cage side and counterweight-side during at the uniform velocity raising and lowering respectively.Test side leads to
Cross wireless transmitting unit and the data detected are sent to control end, control end is received by radio receiving unit and is then transferred to
Reason unit is handled.Corresponding balance coefficient of elevator technical method is preset with processing unit, according to the difference of detection
Calculate corresponding balance coefficient of elevator.The present invention calculates elevator balanced system by detecting the difference of cage side and counterweight-side
Number, is located at same level position measurement counterweight and the poor mode of car weight compared to by counterweight and car, and the present apparatus is more convenient to be surveyed
Amount, while eliminating the influence of SR.
As a kind of preferred scheme, device is arranged at hoistway counterweight side, and lifting unit is arranged on pair of well pit
On weight buffer center, difference detection unit is arranged on lifting unit.This programme is used to carry out jacking and decline to counterweight, comes
Obtain cage side and counterweight-side weight difference.
As a kind of preferred scheme, the difference detection unit is pressure sensor or weighing sensor, the lifting list
Member is hydraulic means or air cylinder device.
A kind of no-load measuring method of balance coefficient of elevator, comprises the following steps：
S1. counterweight is run at detection means position, difference detection unit is in contact by lifting unit with counterweight；
S2. by controlling lowering or hoisting gear to promote counterweight at the uniform velocity to move upwards, when numerical stability, at the uniform velocity motion upwards is obtained
Cage side and counterweight-side weight difference Ws under state, control lowering or hoisting gear promote counterweight at the uniform velocity to move downward, when numerical stability,
Acquisition at the uniform velocity moves downward cage side and counterweight-side weight difference Wx under state；The present invention program is surveyed in well pit
Amount, and drive counterweight to move up and down the influence for reducing SR.
S3. other influences factor E is calculated according to elevator respectively with the presence or absence of compensated chain；
S4. control difference detection unit is separated with counterweight, and under car zero load and loading condition, processing unit is according to step
The data that S2, S3 are obtained calculate balance coefficient of elevator K respectively.
As a kind of preferred scheme, step S1 detailed process includes：
S11. lift car is run into top layer, to re-running to the top of device, elevator carries out stop；
S12. lifting unit lifting difference detection unit is controlled, until difference detection unit upper surface is in contact with counterweight,
Control elevator declutches.
As a kind of preferred scheme, other influences factor E process is calculated in step S3 to be included：
S31. lifting unit is stopped, if in the absence of compensated chain, obtaining pit apart from cage bottom apart from H, steel wire
Restrict every meter of weight ρ1, steel wire rope quantity n, traction ratio y；
S32. calculate without compensated chain elevator other influences factor E=-y*n* ρ1*H；
If S33. there is compensated chain, other influences factor E=0.
As a kind of preferred scheme, the calculating process of balance coefficient of elevator includes in step S4：
Under car no-load condition, balance coefficient of elevator is：
Wherein Q is car rated load；
In the case of car load, balance coefficient of elevator is：
Wherein m is load weight.
Therefore, it is an advantage of the invention that：Balance coefficient of elevator, phase are calculated by detecting the difference of cage side and counterweight-side
Than counterweight and car are located at into same level position measurement counterweight and the poor mode of car weight, the present apparatus is more convenient to be measured, together
When eliminate the influence of SR.It is simple in construction, it is more convenient to install now in operation.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the present invention.
1- difference detection unit 2- lifting unit 3- wireless transmitting unit 4- radio receiving unit 5- operating units 6-
Processing unit 7- display unit 8- counterweight 9- counterweight buffers.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：
The no-load measurement apparatus of a kind of balance coefficient of elevator of the present embodiment, as shown in figure 1, including test side and control
End, difference detection unit 1 that test side includes detecting cage side and counterweight-side weight difference, lifts counterweight 8
Lifting unit 2, wireless transmitting unit 3 is connected with difference test side, control end includes operating unit 5 and radio receiving unit
4, operating unit includes the processing unit 6 and display unit 7 according to detection mathematic interpolation balance coefficient of elevator, display unit and place
Manage unit to be connected, processing unit is connected with radio receiving unit, radio receiving unit passes through wireless network with wireless transmitting unit
It is connected.
Device is arranged at hoistway counterweight side, and lifting unit is arranged on the center of counterweight buffer 9 of well pit, poor
It is worth detection unit to be arranged on lifting unit.Difference detection unit is pressure sensor or weighing sensor, and lifting unit is liquid
Pressure device or air cylinder device.
A kind of no-load measuring method of balance coefficient of elevator, comprises the following steps：
S1. counterweight is run at detection means position, difference detection unit is in contact by lifting unit with counterweight；
Detailed process includes：
S11. lift car is run into top layer, to re-running to the top of device, elevator carries out stop；
S12. lifting unit lifting difference detection unit is controlled, until difference detection unit upper surface is in contact with counterweight,
Control elevator declutches.
S2. by controlling lowering or hoisting gear to promote counterweight at the uniform velocity to move upwards, when numerical stability, at the uniform velocity motion upwards is obtained
Cage side and counterweight-side weight difference Ws under state, control lowering or hoisting gear promote counterweight at the uniform velocity to move downward, when numerical stability,
Acquisition at the uniform velocity moves downward cage side and counterweight-side weight difference Wx under state；
S3. other influences factor E is calculated according to elevator respectively with the presence or absence of compensated chain；Other influences factor E calculating
Journey includes：
S31. lifting unit is stopped, if in the absence of compensated chain, obtaining pit apart from cage bottom apart from H, steel wire
Restrict every meter of weight ρ1, steel wire rope quantity n, traction ratio y；
S32. calculate without compensated chain elevator other influences factor E=-y*n* ρ1*H；
If S33. there is compensated chain, other influences factor E=0.
S4. control difference detection unit is separated with counterweight, and under car zero load and loading condition, processing unit is according to step
The data that S2, S3 are obtained calculate balance coefficient of elevator K respectively.Calculating process includes：
Under car no-load condition, balance coefficient of elevator is：
Wherein Q is car rated load；
In the case of car load, balance coefficient of elevator is：
Wherein m is load weight.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used difference detection unit, lifting unit, wireless transmitting unit, radio receiving unit etc. herein
Term, but it is not precluded from the possibility using other terms.It is used for the purpose of more easily describing and explaining using these terms
The essence of the present invention；Any additional limitation is construed as all to disagree with spirit of the present invention.
Claims (7)
1. a kind of no-load measurement apparatus of balance coefficient of elevator, it is characterised in that：Including test side and control end, test side bag
The difference detection unit detected to cage side and counterweight-side weight difference, the lifting unit for being lifted counterweight are included, it is poor
Wireless transmitting unit is connected with value test side, control end includes operating unit and radio receiving unit, and operating unit includes root
According to the processing unit and display unit of detection mathematic interpolation balance coefficient of elevator, display unit is connected with processing unit, and processing is single
Member is connected with radio receiving unit, and radio receiving unit is connected with wireless transmitting unit by wireless network.
2. the no-load measurement apparatus of a kind of balance coefficient of elevator according to claim 1, it is characterized in that device is arranged on
At hoistway counterweight side, lifting unit is arranged on the counterweight buffer center of well pit, and difference detection unit, which is arranged on, to be risen
Drop on unit.
3. the no-load measurement apparatus of a kind of balance coefficient of elevator according to claim 1 or 2, it is characterized in that the difference
Detection unit is pressure sensor or weighing sensor, and the lifting unit is hydraulic means or air cylinder device.
4. the no-load measuring method of a kind of balance coefficient of elevator, using the device in claim any one of 1-3, its feature
It is：Comprise the following steps：
S1. counterweight is run at detection means position, difference detection unit is in contact by lifting unit with counterweight；
S2. by controlling lowering or hoisting gear to promote counterweight at the uniform velocity to move upwards, when numerical stability, at the uniform velocity upward motion state is obtained
Lower cage side and counterweight-side weight difference Ws, control lowering or hoisting gear promotes counterweight at the uniform velocity to move downward, when numerical stability, obtains
At the uniform velocity move downward cage side and counterweight-side weight difference Wx under state；
S3. other influences factor E is calculated according to elevator respectively with the presence or absence of compensated chain；
S4. control difference detection unit separated with counterweight, car zero load and loading condition under, processing unit according to step S2,
The data that S3 is obtained calculate balance coefficient of elevator K respectively.
5. the no-load measuring method of a kind of balance coefficient of elevator according to claim 4, it is characterized in that step S1 tool
Body process includes：
S11. lift car is run into top layer, to re-running to the top of device, elevator carries out stop；
S12. lifting unit lifting difference detection unit is controlled, until difference detection unit upper surface is in contact with counterweight, is controlled
Elevator declutches.
6. the no-load measuring method of a kind of balance coefficient of elevator according to claim 4, it is characterized in that step S3 falls into a trap
Calculating other influences factor E calculating process includes：
S31. lifting unit is stopped, if in the absence of compensated chain, obtaining pit every apart from H, steel wire rope apart from cage bottom
Meter Chong Liang ρ1, steel wire rope quantity n, traction ratio y；
S32. calculate without compensated chain elevator other influences factor E=-yn* ρ1*H；
If S33. there is compensated chain, other influences factor E=0.
7. the no-load measuring method of a kind of balance coefficient of elevator according to claim 4 or 6, it is characterized in that in step S4
The calculating process of balance coefficient of elevator includes：
Under car no-load condition, balance coefficient of elevator is：
<mrow>
<mi>K</mi>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>W</mi>
<mi>S</mi>
</msub>
<mo>+</mo>
<msub>
<mi>W</mi>
<mi>x</mi>
</msub>
</mrow>
<mrow>
<mn>2</mn>
<mi>Q</mi>
</mrow>
</mfrac>
<mo>+</mo>
<mfrac>
<mi>E</mi>
<mi>Q</mi>
</mfrac>
</mrow>
Wherein Q is car rated load；
In the case of car load, balance coefficient of elevator is：
<mrow>
<mi>K</mi>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>W</mi>
<mi>S</mi>
</msub>
<mo>+</mo>
<msub>
<mi>W</mi>
<mi>x</mi>
</msub>
</mrow>
<mrow>
<mn>2</mn>
<mi>Q</mi>
</mrow>
</mfrac>
<mo>+</mo>
<mfrac>
<mi>E</mi>
<mi>Q</mi>
</mfrac>
<mo>+</mo>
<mfrac>
<mi>m</mi>
<mi>Q</mi>
</mfrac>
</mrow>
Wherein m is load weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710365423.7A CN107176520B (en) | 2017-05-22 | 2017-05-22 | A kind of the no-load measuring device and method of balance coefficient of elevator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710365423.7A CN107176520B (en) | 2017-05-22 | 2017-05-22 | A kind of the no-load measuring device and method of balance coefficient of elevator |
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| CN107176520A true CN107176520A (en) | 2017-09-19 |
| CN107176520B CN107176520B (en) | 2019-09-10 |
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| CN101082530A (en) * | 2007-06-26 | 2007-12-05 | 石成江 | Method for measuring static state weight difference in two sides of elvator balancing coefficient |
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| CN205114735U (en) * | 2015-10-12 | 2016-03-30 | 刘培 | Unloaded dynamic balance coefficient detector of elevator |
| CN105502116A (en) * | 2014-10-15 | 2016-04-20 | 江南嘉捷电梯股份有限公司 | Method used for measuring balance coefficient of elevator |
| CN105565101A (en) * | 2016-02-29 | 2016-05-11 | 大连光程光电科技有限公司 | Elevator balance coefficient detection device and method |
| CN105819293A (en) * | 2016-04-08 | 2016-08-03 | 杭州市特种设备检测研究院 | Elevator equilibrium coefficient measuring method |
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2017
- 2017-05-22 CN CN201710365423.7A patent/CN107176520B/en active Active
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| CN101082530A (en) * | 2007-06-26 | 2007-12-05 | 石成江 | Method for measuring static state weight difference in two sides of elvator balancing coefficient |
| CN102785979A (en) * | 2012-08-03 | 2012-11-21 | 安徽菲茵特电梯有限公司 | Test method and intelligent measuring instrument of elevator balancing coefficient |
| CN105502116A (en) * | 2014-10-15 | 2016-04-20 | 江南嘉捷电梯股份有限公司 | Method used for measuring balance coefficient of elevator |
| CN205114735U (en) * | 2015-10-12 | 2016-03-30 | 刘培 | Unloaded dynamic balance coefficient detector of elevator |
| CN105565101A (en) * | 2016-02-29 | 2016-05-11 | 大连光程光电科技有限公司 | Elevator balance coefficient detection device and method |
| CN105819293A (en) * | 2016-04-08 | 2016-08-03 | 杭州市特种设备检测研究院 | Elevator equilibrium coefficient measuring method |
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