CN204116375U - A kind of device for testing elevator traction machine rotating speed - Google Patents

A kind of device for testing elevator traction machine rotating speed Download PDF

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Publication number
CN204116375U
CN204116375U CN201420607859.4U CN201420607859U CN204116375U CN 204116375 U CN204116375 U CN 204116375U CN 201420607859 U CN201420607859 U CN 201420607859U CN 204116375 U CN204116375 U CN 204116375U
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CN
China
Prior art keywords
rotating speed
traction machine
contact assembly
magnetic contact
machine rotating
Prior art date
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.)
Expired - Fee Related
Application number
CN201420607859.4U
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Chinese (zh)
Inventor
佘昆
代清友
郑剑文
黄绍伦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGDONG INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND RESEARCH
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GUANGDONG INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND RESEARCH
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Priority to CN201420607859.4U priority Critical patent/CN204116375U/en
Application granted granted Critical
Publication of CN204116375U publication Critical patent/CN204116375U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of device for testing elevator traction machine rotating speed, device comprises base, described base is provided with support, support is provided with crossbeam, described crossbeam one end connection bracket, other end coupling arrangement shell, is provided with contact assembly in described crust of the device, and described contact assembly is connected with crust of the device by slide bar; Be provided with angle sheave and magnetic contact wheel in described contact assembly, described angle sheave and magnetic contact wheel contact with tested traction sheave; Described magnetic contact wheel coaxially installs rotary encoder; Compress Spring is provided with between described contact assembly and mounting casing.The utility model adopts fifth wheel mode to detect traction machine rotating speed, is realized by the rotating speed of tested traction machine by speed measuring device of the present utility model, thus the rotating speed of the tested traction machine of accurate Calculation; The utility model structure is simple, overcomes the defect of installing in operation site inconvenience simultaneously.

Description

A kind of device for testing elevator traction machine rotating speed
Technical field
The utility model relates to the research field that elevator medium velocity detects, particularly a kind of device for testing elevator traction machine rotating speed.
Background technology
Elevator traction machine rotating speed is one of major parameter of elevator operation, the corresponding elevator car car speed of traction machine linear velocity, and namely control elevator operation is that the rotating speed of the motor also namely controlled in traction machine realizes by controlling the realization of elevator traction machine rotating speed.The frequency-conversion voltage-varying speed method of now conventional elevator traction machine speeds control many employings tape speed feedback, because elevator running cage is responsible for constantly in change, so traction machine speeds control adopts constant speed control, realize the transient speed that constant speed control just must know traction machine, so need velocity feedback, now the most frequently used speed feedback device is incremental-rotating coder, the tach signal of traction machine is become some pulse signals by it, the corresponding fixing anglec of rotation of each pulse signal, signal processing system is by receiving the rotating speed that pulse signal obtains traction machine in the unit of account time.Rotary encoder is arranged on the motor output shaft of traction machine usually.
In the detecting instrument equipment such as apparatus for controlling elevator pick-up unit, traction machine pick-up unit, need the rotating speed detecting traction machine, conventional method is also install rotary encoder on traction machine motor output shaft, but this method is only limitted to the hard-wired checkout equipment in laboratory, for portable field inspection machine, scene installs rotary encoder in addition without operability on traction machine output shaft, so, need to adopt additive method to detect traction machine rotating speed.
Utility model content
Fundamental purpose of the present utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of devices and methods therefor for testing elevator traction machine rotating speed.
In order to achieve the above object, the utility model is by the following technical solutions:
For testing a device for elevator traction machine rotating speed, comprise base, described base is provided with support, support is provided with crossbeam, described crossbeam one end connection bracket, other end coupling arrangement shell, be provided with contact assembly in described crust of the device, described contact assembly is connected with crust of the device by slide bar; Be provided with angle sheave and magnetic contact wheel in described contact assembly, described angle sheave and magnetic contact wheel contact with tested traction sheave; Described magnetic contact wheel coaxially installs rotary encoder; Compress Spring is provided with between described contact assembly and mounting casing.
Preferably, described angle sheave is two, and described magnetic contact wheel is one, and described magnetic contact wheel is arranged between two angle sheaves.
Preferably, the diameter of described magnetic contact wheel is greater than the diameter of angle sheave.
Preferably, described magnet pulley installation site than angle sheave position rearward.
Preferably, described contact assembly is the housing of a bottom surface opening, and described angle sheave and magnetic contact wheel are arranged in housing, and the two ends of described housing are provided with slide block, are provided with perforate in the middle of slide block, and slide bar is connected with slide block through perforate.
Preferably, described base is magnet base.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
1, the utility model adopts fifth wheel mode to detect traction machine rotating speed, the rotating speed of tested traction machine is realized by speed measuring device of the present utility model, thus the rotating speed of the tested traction machine of accurate Calculation, the utility model structure is simple, overcomes the defect of installing in operation site inconvenience simultaneously.
2, Compress Spring is provided with between contact assembly of the present utility model and crossbeam, Compress Spring is adopted to press on the traction sheave by fifth wheel, ensure that fifth wheel and traction sheave are effectively fitted, pressure simultaneously between Compress Spring can mode manually regulate, and can regulate when testing according to field condition.
3, the utility model adopts magnetic fifth wheel, effectively can prevent the velocity error caused because of the small relative sliding between fifth wheel and traction sheave.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the cut-open view of the utility model side.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1 and Figure 2, a kind of device for testing elevator traction machine rotating speed of the present embodiment, comprise base 1, described base is provided with support 2, support is provided with crossbeam 3, described crossbeam 3 one end connection bracket 2, other end coupling arrangement shell 11, be provided with contact assembly 5 in described crust of the device 11, described contact assembly 5 is connected with crust of the device 11 by slide bar 4; Be provided with angle sheave 7 and magnetic contact wheel 8 in described contact assembly, described angle sheave 7 and magnetic contact wheel 8 contact with tested traction sheave 9; Described magnetic contact wheel 8 coaxially installs rotary encoder 10; Compress Spring 6 is provided with between described contact assembly 5 and mounting casing 11; When tested traction sheave 9 rotates, drive magnetic contact wheel 8 to rotate, rotary encoder 10 works and measures rotating speed, by the Compress Spring 6 arranged, can ensure suitable pressure size, make measuring accuracy higher.
In the present embodiment, described contact assembly 5 is the housing of a bottom surface opening, and described angle sheave 7 and magnetic contact wheel 8 are arranged in housing, and the two ends of described housing are provided with slide block, are provided with perforate in the middle of slide block, and slide bar 4 is connected with slide block through perforate; When needs detect elevator traction machine, by contact assembly 5 near tested traction sheave 9, magnetic contact wheel 8 is driven to rotate while traction sheave rotates, start to count with the coaxial mounted rotary encoder 10 of magnet pulley, on the other hand, two angle sheaves ensure that the consistance of the magnet pulley rotation direction when measuring, Compress Spring 6 is provided with again between contact assembly and crossbeam, under the effect of Compress Spring, slide block can move on slide bar 4, thus ensure that the dirigibility of measurement.
Described angle sheave 7 is two, and it is one that described magnetic connects 8 wheel trolleys, and described magnetic contact wheel is arranged between two angle sheaves; Thus ensure that the direction of motion of magnetic contact wheel is identical with rotating speed with the direction of motion of tested traction machine with speed, avoid the error that may exist in measuring process as far as possible.
In the present embodiment, the diameter of described magnetic contact wheel is larger than angle sheave, is conducive to provide accuracy when measuring rotating speed like this.
The installation site of described angle sheave than angle sheave position rearward, material is thus formed the curved surface of an arc, be convenient to tested traction sheave 9 and take turns 8 with angle sheave 7 and magnetic contact and fully contact, improve measuring accuracy.
In the present embodiment, described base is magnet base, thus firmly can be arranged on scene, ensure that the stability in measuring process.
The above-mentioned mode of operation for testing elevator traction machine rotating speed is as follows:
The present embodiment, for testing the method for elevator traction machine rotating speed, comprises the steps:
(1), by magnetic contact wheel be arranged in contact assembly, and coaxially rotary encoder be installed on magnetic contact wheel;
(2), at magnetic contact take turns the right and left installation angle sheave, ensure that the rotational speed of magnetic contact wheel is consistent with tested traction sheave with direction by angle sheave;
(3), contact assembly slide bar is connected to support, and contact assembly can vertical sliding motion up and down neatly;
(4), above contact assembly, arrange 2 Compress Springs, Compress Spring is pressed in contact assembly on tested traction sheave, and pressure size adjusts by manual mode;
(5), opening power, drive magnetic contact wheel to rotate together time tested traction sheave rotates, take turns coaxial rotary encoder of installing with magnetic contact and measure rotating speed, the rotating speed that measured magnetic contact is taken turns is the rotating speed of tested traction machine.
Conveniently regulate, described support is that sectionally smooth join forms, and for being flexibly connected between two sections of supports, regulates setting angle by manual mode.
Conveniently install, the floor installation of described support is magnetic seat, and magnet base can be firm by the fixed installation of this device at the scene.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.

Claims (6)

1. one kind for testing the device of elevator traction machine rotating speed, comprise base, described base is provided with support, support is provided with crossbeam, it is characterized in that, described crossbeam one end connection bracket, other end coupling arrangement shell, be provided with contact assembly in described crust of the device, described contact assembly is connected with crust of the device by slide bar; Be provided with angle sheave and magnetic contact wheel in described contact assembly, described angle sheave and magnetic contact wheel contact with tested traction sheave; Described magnetic contact wheel coaxially installs rotary encoder; Compress Spring is provided with between described contact assembly and mounting casing.
2. the device for testing elevator traction machine rotating speed according to claim 1, is characterized in that, described angle sheave is two, and described magnetic contact wheel is one, and described magnetic contact wheel is arranged between two angle sheaves.
3. the device for testing elevator traction machine rotating speed according to claim 1, is characterized in that, the diameter of described magnetic contact wheel is greater than the diameter of angle sheave.
4. the device for testing elevator traction machine rotating speed according to claim 1, is characterized in that, the installation site of described magnet pulley than angle sheave position rearward.
5. the device for testing elevator traction machine rotating speed according to claim 1, it is characterized in that, described contact assembly is the housing of a bottom surface opening, described angle sheave and magnetic contact wheel are arranged in housing, the two ends of described housing are provided with slide block, be provided with perforate in the middle of slide block, slide bar is connected with slide block through perforate.
6. the device for testing elevator traction machine rotating speed according to claim 1, is characterized in that, described base is magnet base.
CN201420607859.4U 2014-10-20 2014-10-20 A kind of device for testing elevator traction machine rotating speed Expired - Fee Related CN204116375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420607859.4U CN204116375U (en) 2014-10-20 2014-10-20 A kind of device for testing elevator traction machine rotating speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420607859.4U CN204116375U (en) 2014-10-20 2014-10-20 A kind of device for testing elevator traction machine rotating speed

Publications (1)

Publication Number Publication Date
CN204116375U true CN204116375U (en) 2015-01-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104267206A (en) * 2014-10-20 2015-01-07 广东省特种设备检测研究院 Device and method for testing rotating speed of elevator traction machine
CN105858127A (en) * 2015-01-23 2016-08-17 鞍钢股份有限公司 Steel rail end anticollision device and control method thereof
CN105984161A (en) * 2015-01-27 2016-10-05 青岛软控机电工程有限公司 Tire production device
CN106814204A (en) * 2016-12-25 2017-06-09 重庆市永川区益锐机械有限责任公司 Speed of gyration detection means

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104267206A (en) * 2014-10-20 2015-01-07 广东省特种设备检测研究院 Device and method for testing rotating speed of elevator traction machine
CN105858127A (en) * 2015-01-23 2016-08-17 鞍钢股份有限公司 Steel rail end anticollision device and control method thereof
CN105984161A (en) * 2015-01-27 2016-10-05 青岛软控机电工程有限公司 Tire production device
CN106814204A (en) * 2016-12-25 2017-06-09 重庆市永川区益锐机械有限责任公司 Speed of gyration detection means
CN106814204B (en) * 2016-12-25 2019-01-15 重庆市永川区益锐机械有限责任公司 Rotational speed detection device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150121

Termination date: 20151020

EXPY Termination of patent right or utility model