CN104267206B - A kind of devices and methods therefor for being used to test elevator traction machine rotating speed - Google Patents
A kind of devices and methods therefor for being used to test elevator traction machine rotating speed Download PDFInfo
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- CN104267206B CN104267206B CN201410560029.5A CN201410560029A CN104267206B CN 104267206 B CN104267206 B CN 104267206B CN 201410560029 A CN201410560029 A CN 201410560029A CN 104267206 B CN104267206 B CN 104267206B
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- wheel
- rotating speed
- traction machine
- magnetic contact
- contact assembly
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Abstract
The invention discloses a kind of devices and methods therefor for being used to test elevator traction machine rotating speed, device includes base, the base is provided with support, support is provided with crossbeam, described crossbeam one end connecting bracket, another end connection device shell, described device shell is interior to be provided with contact assembly, and the contact assembly is connected by slide bar with crust of the device；Directive wheel and magnetic contact wheel are provided with the contact assembly, directive wheel and the magnetic contact wheel contacts with tested traction sheave；The magnetic contact wheel is co-axially mounted rotary encoder；Compression spring is provided between the contact assembly and installation shell.The present invention is realized the rotating speed of tested traction machine by the speed measuring device of the present invention, so as to accurately calculate the rotating speed of tested traction machine using the wheel mode detection traction machine rotating speed that tests the speed；The present invention is simple in construction, while overcomes and operating the defects of live inconvenience is installed.
Description
Technical field
It is more particularly to a kind of to be used to test elevator traction machine rotating speed the present invention relates to the research field of elevator medium velocity detection
Devices and methods therefor.
Background technology
Elevator traction machine rotating speed is one of major parameter of elevator operation, and traction machine linear velocity corresponds to elevator car car speed
Degree, control elevator operation are the rotating speed by controlling the motor in the realization of elevator traction machine rotating speed, namely control traction machine
To realize.Existing frequently-used elevator traction machine speed control is more using the frequency-conversion voltage-varying speed method of tape speed feedback, due to electricity
Terraced running cage is responsible for constantly changing, so traction machine speed control uses constant speed control, to realize constant speed control
The transient speed of traction machine is just must be known by, so needing velocity feedback, now the most frequently used speed feedback device is incremental
Rotary encoder, the tach signal of traction machine is changed into some pulse signals by it, the corresponding one fixed rotation of each pulse signal
Gyration, signal processing system in the unit of account time by receiving pulse signal to obtain the rotating speed of traction machine.Rotation
Encoder is typically mounted on the motor output shaft of traction machine.
, it is necessary to detect traction machine in the detecting instrument equipment such as apparatus for controlling elevator detection means, traction machine detecting device
Rotating speed, conventional method is also that rotary encoder is installed on traction machine motor output shaft, but this method is only limitted to reality
The detection device of room fixed installation is tested, equipment, scene rotation additionally mounted on traction machine output shaft are examined for portable field
Turn encoder without operability, it is therefore desirable to detect traction machine rotating speed using other method.
The content of the invention
The shortcomings that it is a primary object of the present invention to overcome prior art and deficiency, there is provided one kind is used to test elevator traction
The devices and methods therefor of machine rotating speed.
Another object of the present invention is to, there is provided a kind of method for being used to test the device of elevator traction machine rotating speed.
In order to reach above-mentioned first purpose, the present invention uses following technical scheme：
A kind of device for being used to test elevator traction machine rotating speed, including base, the base are provided with support, set on support
There is crossbeam, described crossbeam one end connecting bracket, another end connection device shell, described device shell is interior to be provided with contact assembly, institute
Contact assembly is stated to be connected with crust of the device by slide bar；Directive wheel and magnetic contact wheel are provided with the contact assembly, it is described to lead
Contacted to wheel and magnetic contact wheel with tested traction sheave；The magnetic contact wheel is co-axially mounted rotary encoder；The contact
Compression spring is provided between component and installation shell.
Preferably, the directive wheel is two, and the magnetic contact wheel is one, and the magnetic contact wheel is arranged on two
Between directive wheel.
Preferably, the diameter of the magnetic contact wheel is more than the diameter of directive wheel.
Preferably, the installation site of the magnet pulley than directive wheel position rearward.
Preferably, the contact assembly is the housing of a bottom surface opening, and directive wheel and the magnetic contact wheel is arranged on shell
In vivo, the both ends of the housing are provided with sliding block, are provided with perforate among sliding block, slide bar is connected through perforate with sliding block.
Preferably, the base is magnet base.
In order to reach above-mentioned second purpose, the present invention uses following technical scheme：
The present invention is used for the method for testing elevator traction machine rotating speed, comprises the steps：
(1), magnetic contact wheel is arranged in contact assembly, and rotary encoder is co-axially mounted on magnetic contact wheel；
(2) directive wheel, is installed in magnetic contact wheel the right and left, ensures the rotary speed of magnetic contact wheel by directive wheel
It is consistent with tested traction sheave with direction；
(3), contact assembly is connected to support with slide bar, and contact assembly can neatly vertical sliding motion up and down；
(4), 2 compression springs are set above contact assembly, compression spring is pressed in contact assembly on tested traction sheave,
Pressure size can be adjusted manually；
(5), turn on the power, tested traction sheave drives magnetic contact wheel to rotate together when rotation, with magnetic contact wheel
Rotary encoder measurement rotating speed is co-axially mounted, the rotating speed of measured magnetic contact wheel is the rotating speed of tested traction machine.
Preferably, the support forms for sectionally smooth join, to be flexibly connected between two sections of supports, can manually adjust
Save setting angle.
Preferably, the floor installation of the support is magnetic seat, and what magnet base can consolidate is fixedly mounted on the device
Scene.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, the present invention is using the wheel mode detection traction machine rotating speed that tests the speed, the survey by the rotating speed of tested traction machine by the present invention
Speed variator realizes that, so as to accurately calculate the rotating speed of tested traction machine, the present invention is simple in construction, while overcomes at operation scene
The defects of inconvenience installation.
2nd, compression spring is provided between contact assembly and crossbeam of the invention, fifth wheel is pressed on using compression spring and draged
On running wheel, ensure that fifth wheel is effectively bonded with traction sheave, while the mode that the pressure between compression spring can be manually is entered
Row regulation, it can be adjusted in test according to field condition.
3rd, the present invention uses magnetic fifth wheel, can effectively prevent because small between fifth wheel and traction sheave with respect to slip and
Caused by velocity error.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention；
Fig. 2 is the sectional view of side of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment
As shown in Figure 1 and Figure 2, a kind of device for being used to test elevator traction machine rotating speed of the present embodiment, including base 1, it is described
Base is provided with support 2, and support is provided with crossbeam 3, one end connecting bracket 2 of crossbeam 3, another end connection device shell 11,
Contact assembly 5 is provided with described device shell 11, the contact assembly 5 is connected by slide bar 4 with crust of the device 11；The contact
Directive wheel 7 and magnetic contact wheel 8 are provided with component, the directive wheel 7 and magnetic contact wheel 8 contact with tested traction sheave 9；Institute
State magnetic contact wheel 8 and be co-axially mounted rotary encoder 10；Compression spring 6 is provided between the contact assembly 5 and installation shell 11；
When tested traction sheave 9 rotates, magnetic contact wheel 8 is driven to rotate, rotary encoder 10 works and measures rotating speed, passes through setting
Compression spring 6, it is ensured that suitable pressure size so that measurement accuracy is higher.
In the present embodiment, the contact assembly 5 is the housing of a bottom surface opening, and the directive wheel 7 and magnetic contact wheel 8 are pacified
In housing, the both ends of the housing are provided with sliding block, are provided with perforate among sliding block, slide bar 4 is connected through perforate with sliding block；When
When needing to detect elevator traction machine, contact assembly 5 is driven into magnetic contact close to tested traction sheave 9, traction sheave while rotation
Wheel 8 is rotated, and rotary encoder 10 coaxial mounted with magnet pulley starts counting up, and on the other hand, two directive wheels, which ensure that, to be surveyed
The uniformity of magnet pulley rotation direction during amount, compression spring 6 is provided with again between contact assembly and crossbeam, in the effect of compression spring
Under, sliding block can move on slide bar 4, so as to ensure that the flexibility of measurement.
The directive wheel 7 is two, and the magnetic connects 8 wheel trolleys as one, and the magnetic contact wheel is arranged on two guiding
Between wheel；So as to ensure that the direction of motion of the direction of motion of magnetic contact wheel and speed and tested traction machine and rotating speed are identical, to the greatest extent
Amount avoids error that may be present in measurement process.
In the present embodiment, the diameter of the magnetic contact wheel is bigger than directive wheel, when being so conducive to provide measurement rotating speed
Accuracy.
The installation site of the directive wheel than directive wheel position rearward, material is thus formed the curved surface of an arc, just
Fully contacted with directive wheel 7 and magnetic contact wheel 8 in tested traction sheave 9, improve measurement accuracy.
In the present embodiment, the base is magnet base, so as to be firmly installed at the scene, be ensure that in measurement process
Stability.
The above-mentioned mode of operation for testing elevator traction machine rotating speed is as follows：
The present embodiment is used for the method for testing elevator traction machine rotating speed, comprises the steps：
(1), magnetic contact wheel is arranged in contact assembly, and rotary encoder is co-axially mounted on magnetic contact wheel；
(2) directive wheel, is installed in magnetic contact wheel the right and left, ensures the rotary speed of magnetic contact wheel by directive wheel
It is consistent with tested traction sheave with direction；
(3), contact assembly is connected to support with slide bar, and contact assembly can neatly vertical sliding motion up and down；
(4), 2 compression springs are set above contact assembly, compression spring is pressed in contact assembly on tested traction sheave,
Pressure size can be adjusted manually；
(5), turn on the power, tested traction sheave drives magnetic contact wheel to rotate together when rotation, with magnetic contact wheel
Rotary encoder measurement rotating speed is co-axially mounted, the rotating speed of measured magnetic contact wheel is the rotating speed of tested traction machine.
In order to facilitate regulation, the support forms for sectionally smooth join, can be manually to be flexibly connected between two sections of supports
Mode adjusts setting angle.
In order to facilitate installation, the floor installation of the support is magnetic seat, and what magnet base can consolidate fixes the device
Installation is at the scene.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (8)
1. a kind of device for being used to test elevator traction machine rotating speed, including base, the base are provided with support, support is provided with
Crossbeam, it is characterised in that described crossbeam one end connecting bracket, another end connection device shell, interior be provided with of described device shell connect
Component is touched, the contact assembly is connected by slide bar with crust of the device；Directive wheel and magnetic contact are provided with the contact assembly
Wheel, directive wheel and the magnetic contact wheel contact with tested traction sheave；The magnetic contact wheel is co-axially mounted rotary encoder；
Compression spring is provided between the contact assembly and crust of the device；The contact assembly is the housing of a bottom surface opening, described to lead
It is arranged on to wheel and magnetic contact wheel in housing, the both ends of the housing are provided with sliding block, are provided with perforate among sliding block, slide bar passes through
Perforate is connected with sliding block；The support forms for sectionally smooth join, to be flexibly connected between two sections of supports, can manually adjust
Save setting angle.
2. according to claim 1 be used to test the device of elevator traction machine rotating speed, it is characterised in that the directive wheel is
Two, the magnetic contact wheel is one, and the magnetic contact wheel is arranged between two directive wheels.
3. the device according to claim 1 for being used to test elevator traction machine rotating speed, it is characterised in that the magnetic contact
The diameter of wheel is more than the diameter of directive wheel.
4. the device according to claim 1 for being used to test elevator traction machine rotating speed, it is characterised in that the magnet pulley
Installation site than directive wheel position rearward.
5. the device according to claim 1 for being used to test elevator traction machine rotating speed, it is characterised in that the base is magnetic
Property seat.
6. utilize the method for the device to test elevator traction machine rotating speed any one of claim 1-5, it is characterised in that bag
Include following step：
(1), magnetic contact wheel is arranged in contact assembly, and rotary encoder is co-axially mounted on magnetic contact wheel；
(2) directive wheel, is installed in magnetic contact wheel the right and left, ensures rotary speed and the side of magnetic contact wheel by directive wheel
To consistent with tested traction sheave；
(3), contact assembly is connected to support with slide bar, and contact assembly can neatly vertical sliding motion up and down；
(4), 2 compression springs are set above contact assembly, compression spring is pressed in contact assembly on tested traction sheave, pressure
Big I manually adjusts；
(5), turn on the power, tested traction sheave drives magnetic contact wheel to rotate together when rotation, coaxial with magnetic contact wheel
Rotary encoder measurement rotating speed is installed, the rotating speed of measured magnetic contact wheel is the rotating speed of tested traction machine.
7. the method for test elevator traction machine rotating speed according to claim 6, it is characterised in that the support is spelled for segmentation
Connect and form, to be flexibly connected between two sections of supports, can manually adjust setting angle.
8. the method for test elevator traction machine rotating speed according to claim 6, it is characterised in that the base peace of the support
Equipped with magnet base, what magnet base can consolidate the device is fixedly mounted at the scene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560029.5A CN104267206B (en) | 2014-10-20 | 2014-10-20 | A kind of devices and methods therefor for being used to test elevator traction machine rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560029.5A CN104267206B (en) | 2014-10-20 | 2014-10-20 | A kind of devices and methods therefor for being used to test elevator traction machine rotating speed |
Publications (2)
| Publication Number | Publication Date |
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| CN104267206A CN104267206A (en) | 2015-01-07 |
| CN104267206B true CN104267206B (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410560029.5A Active CN104267206B (en) | 2014-10-20 | 2014-10-20 | A kind of devices and methods therefor for being used to test elevator traction machine rotating speed |
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| CN (1) | CN104267206B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908620A (en) * | 2017-05-03 | 2017-06-30 | 重庆顺心科技发展有限公司 | A kind of haulage cable linear velocity detector |
| CN115258863B (en) * | 2022-08-03 | 2024-03-26 | 台州市特种设备检验检测研究院 | Speed measuring device for elevator traction sheave detection |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202936053U (en) * | 2012-12-07 | 2013-05-15 | 合肥望远电子科技有限公司 | Speed measurement device of elevator speed limiter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101712432B (en) * | 2009-12-18 | 2011-11-16 | 刘志广 | Gear driving machine with gear shifting mechanism |
| CN101875458A (en) * | 2010-07-07 | 2010-11-03 | 四川润智兴科技有限公司 | Elevator speed-measuring and positioning method and device |
| CN103086226B (en) * | 2013-01-28 | 2015-05-27 | 东南电梯股份有限公司 | Lifting equipment speed measurement braking safety system |
| CN204116375U (en) * | 2014-10-20 | 2015-01-21 | 广东省特种设备检测研究院 | A kind of device for testing elevator traction machine rotating speed |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202936053U (en) * | 2012-12-07 | 2013-05-15 | 合肥望远电子科技有限公司 | Speed measurement device of elevator speed limiter |
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| CN104267206A (en) | 2015-01-07 |
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