CN206804681U - A kind of haulage cable linear velocity detector - Google Patents
A kind of haulage cable linear velocity detector Download PDFInfo
- Publication number
- CN206804681U CN206804681U CN201720479430.5U CN201720479430U CN206804681U CN 206804681 U CN206804681 U CN 206804681U CN 201720479430 U CN201720479430 U CN 201720479430U CN 206804681 U CN206804681 U CN 206804681U
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- China
- Prior art keywords
- magnetic
- haulage cable
- magnetic rollers
- linear velocity
- rollers
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Abstract
A kind of haulage cable linear velocity detector, velocity sensor employs magnetic rollers formula wire rope displacement measurement apparatus, the structure of magnetic rollers is the annular magnet (2) that the inner circle of thin-walled roller shell (1) has inlayed that magnetic pole orientation is radial pattern, stronger magnetic attraction is formed on cylindrical, the cylindrical of magnetic rollers is close in the side of haulage cable during measurement, magnetic rollers are driven to rotate when lower mobile on a steel cord, magnetic rollers, which rotate, drives rotary encoder (3) rotation, and detection data are exported through socket 6.This apparatus structure is simple, and accuracy of detection is higher.
Description
Technical field
A kind of detecting instrument is the utility model is related to, is the mechanical devices such as a kind of test elevator, crane more specifically
In haulage cable linear velocity in operation special detector.
Background technology
In the mechanical devices such as elevator, crane the linear velocity of haulage cable in operation be important detection project it
One, the detection method of prior art is as follows：
Using the rotating speed of revolution counter detection drive motor, it is computed by three rotating speed, speed reducing ratio, rope sheave diameters numerical value
Obtain the operation linear velocity of haulage cable.
Using EC-2100 or EC-900 speedometer direct measurements, by the peripheral speed ring (being commonly called as the roller that tests the speed) of speedometer and fortune
Haulage cable in row lightly contacts, and can measure the linear velocity of steel wire rope.
State on the implementation in detection, measurement apparatus needs and is tested mechanism good contact, generally by the hand-held inspection of reviewer
Instrumentation is surveyed, its operation level directly affects accuracy of detection.
Chinese invention patent CN201210163507X《Elevator wire rope displacement measuring device》, disclose Application Optics figure
Image displacement detecting system realizes the scheme of contactless displacement measurement, and technical merit is advanced.At present remain the problem of be, test essence
Degree is relatively inaccessible to ± 1% index, treats further perfect.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of easy to operate, measuring accuracy meets state
A kind of haulage cable linear velocity detector of family's standard requirement.
The utility model is achieved by following technical proposals：
A kind of haulage cable linear velocity detector, including tachogenerator, connecting rod and fixator, its velocity sensor
Using magnetic rollers formula wire rope displacement measurement apparatus, the Wheel structure of magnetic rollers is embedded in annular magnetic for thin-walled roller shell
Iron, magnetic rollers it is cylindrical on form magnetic attraction；The cylindrical of magnetic rollers is close in haulage cable side during measurement, is being led
Draw drives magnetic rollers to rotate when steel wire rope moves up and down, the linear speed of the information transmission haulage cable rotated by magnetic rollers
Degrees of data.
The haulage cable linear velocity detector, the magnetic pole orientation of its annular magnet is radial pattern, inner circle and outer ring
Circularize the magnetic pole of magnet.Its magnetic rollers is connected with rotary encoder, and magnetic rollers, which rotate, drives rotary encoder rotation, leads to
Cross the information that rotary encoder output magnetic rollers rotate.
The fixator of the haulage cable linear velocity detector is magnetic stand；Its connecting rod is helical spring type elasticity
Connecting rod, or thin plate springs formula flexible connecting rod.
The utility model compared with prior art the advantages of be：
(1) velocity sensor uses magnetic rollers formula wire rope displacement measurement apparatus, and accuracy of detection can reach ± 0.5%
More than, the precision index that is obtained better than Application Optics picture displacement detecting system, and reliability and repeatability are preferable.
(2) magnetic rollers speed measuring device is used, the cylindrical of magnetic rollers produces magnetic attraction with the steel wire contacted, on steel wire rope
Drive magnetic rollers to rotate when lower mobile, can effectively reduce the measurement that the steel wire rope sliding cylindrical with magnetic rollers triggers and miss
Difference, improve accuracy of detection.
(3) Wheel structure of magnetic rollers is that thin-walled roller shell is embedded in annular magnet, overcomes magnetic material and is difficult to essence
The difficulty of processing, simplifies manufacturing process.
(4) magnetic pole orientation of annular magnet is radial pattern, the cylindrical magnetic pole that magnetic rollers are formed with inner circle.With common axle
To magnetizing, annular magnet is compared, and can make the cylindrical magnetic attraction enlarged relative of magnetic rollers, makes the side magnetic attraction of magnetic rollers
It is relative to diminish.
Chinese invention patent CN201210163507X《Elevator wire rope displacement measuring device》, disclose applied magnetic and lead
The technical scheme of ccd sensor is set up to wheel, its magnetic directive wheel is not belonging to speed measuring device, and magnetic directive wheel does not possess the work(that tests the speed
Can, the purpose for setting magnetic directive wheel is different from technology essential factor with the utility model.
Brief description of the drawings
Fig. 1 is a kind of haulage cable linear velocity detector embodiment schematic diagram of the present utility model.
Fig. 2 is velocity sensor example structure schematic diagram.
Fig. 3 is the annular magnet schematic diagram that magnetic pole orientation is radial pattern.
Fig. 4 is flexible connecting rod sketch.
In figure：1. thin-walled roller shell, 2. annular magnets, 3. rotary encoders, 4. attaching nuts, 5. sensor stands, 6 insert
Seat, 7. haulage cables, 8. magnetic rollers, 9. connecting rods, 9-1. thin plate springs formula flexible connecting rods, 9-2. helical spring types
Flexible connecting rod, 10. fixators.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples：
As shown in figure 1, velocity sensor of the present utility model employs magnetic rollers formula wire rope displacement measurement apparatus, survey
Cylindrical be close to of magnetic rollers 8 produces magnetic in the side of haulage cable 7, the cylindrical of magnetic rollers with the steel wire contacted during amount
Power, magnetic rollers are driven to rotate when lower mobile on a steel cord, the cylindrical linear velocity of magnetic rollers, which can be characterized on steel wire, to be moved down
Dynamic linear velocity, the linear speed degrees of data of the information transmission haulage cable rotated by magnetic rollers.
Velocity sensor support 5 is connected to fixator 10 by connecting rod 9, needs to select to fix with adjustment during detection operation
The fixed position of device 10, make magnetic rollers 8 are cylindrical to be close in the side of haulage cable 7, and wheel rim is parallel with steel wire rope.
Figure it is seen that the magnetic rollers of the present embodiment are made up of thin-walled roller shell 1 with annular magnet 2, annular magnet
2 are embedded in the internal diameter of thin-walled roller shell 1, and magnetic attraction is formed by annular magnet 2.Magnetic rollers connect with rotary encoder 3
Connect, magnetic rollers, which rotate, drives rotary encoder 3 to rotate, and detection data are exported through socket 6.
The present embodiment selected magnetic pole orientation be radial pattern annular magnet, as shown in figure 3, inner circle be N it is extremely cylindrical be S
Pole；The either extremely cylindrical N poles of inner circle S.Compared with common axial charging annular magnet, the cylindrical magnetic force of magnetic rollers can be made
Enlarged relative, make the side magnetic picture of magnetic rollers to diminishing.In detection operation, the cylindrical steel wire rope with contacting of magnetic rollers
Caused magnetic attraction is larger, can reduce the measurement error that the steel wire rope sliding cylindrical with magnetic rollers triggers, improve detection essence
Degree.
Rocked because haulage cable can produce in operation, the connecting rod 9 of embodiment has selected helical spring type elastic
Connecting rod 9-2 or thin plate springs formula flexible connecting rod 9-1.Fixator 10 selects universal magnetic stand, can simplify and make in detection
Installation and fixation in industry to instrument.
Expansion description has been carried out to the utility model above in association with drawings and embodiments, the description without restricted,
Also it is a kind of embodiment that the utility model instrument is formed shown in accompanying drawing, the technical solution of the utility model is not limited to
This.One of ordinary skill in the art is not it should be appreciated that in the case where departing from the utility model design philosophy, this practicality
New implementation also has change or variation in some details, and these changes thus amplified out or variation are included in this
Within the protection domain of utility model.
Claims (6)
1. a kind of haulage cable linear velocity detector, including velocity sensor, connecting rod and fixator, it is characterized in that, it is described
Velocity sensor uses magnetic rollers formula wire rope displacement measurement apparatus, and the Wheel structure of magnetic rollers is embedded in for thin-walled hub
Annular magnet, magnetic rollers it is cylindrical on form magnetic attraction；The cylindrical of magnetic rollers is close in haulage cable side during measurement
Face, magnetic rollers are driven to rotate when haulage cable moves up and down, the information transmission traction steel wire rotated by magnetic rollers
The linear speed degrees of data of rope.
2. a kind of haulage cable linear velocity detector according to claim 1, it is characterized in that, the magnetic pole of the annular magnet
Radial pattern is oriented to, inner circle circularizes the magnetic pole of magnet with outer ring.
3. a kind of haulage cable linear velocity detector according to claim 1 or claim 2, it is characterized in that, the magnetic rollers with
Rotary encoder connects, and magnetic rollers, which rotate, drives rotary encoder rotation, and exporting magnetic rollers by rotary encoder rotates
Information.
4. a kind of haulage cable linear velocity detector according to claim 1, it is characterized in that, the fixator is magnetic power meter
Seat.
5. a kind of haulage cable linear velocity detector according to claim 1, it is characterized in that, affiliated connecting rod is spiral bullet
Spring formula flexible connecting rod.
6. a kind of haulage cable linear velocity detector according to claim 1, it is characterized in that, affiliated connecting rod is thin plate bullet
Spring formula flexible connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720479430.5U CN206804681U (en) | 2017-05-03 | 2017-05-03 | A kind of haulage cable linear velocity detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720479430.5U CN206804681U (en) | 2017-05-03 | 2017-05-03 | A kind of haulage cable linear velocity detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804681U true CN206804681U (en) | 2017-12-26 |
Family
ID=60738180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720479430.5U Active CN206804681U (en) | 2017-05-03 | 2017-05-03 | A kind of haulage cable linear velocity detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206804681U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-05-03 CN CN201720479430.5U patent/CN206804681U/en active Active
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210111 Address after: 401123 17-1-1 Ziyuan, Jinke Zhonghua square, 181 Huangshan Avenue, Yubei District, Chongqing Patentee after: CHONGQING SHUNXIN APPARATUS EQUIPMENT Co.,Ltd. Address before: 402560 No. 1 Jinshan Avenue, Jinlong Industrial Park, Tongliang District, Chongqing Patentee before: CHONGQING SHUNXIN TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |