CN105785063B - A kind of mining rotation-speed measuring device and its measurement method - Google Patents
A kind of mining rotation-speed measuring device and its measurement method Download PDFInfo
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- CN105785063B CN105785063B CN201610199664.4A CN201610199664A CN105785063B CN 105785063 B CN105785063 B CN 105785063B CN 201610199664 A CN201610199664 A CN 201610199664A CN 105785063 B CN105785063 B CN 105785063B
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- magnet ring
- outer ring
- shafting
- ring
- speed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of mining rotation-speed measuring devices, for measuring the revolving speed of shafting, components all rely on measurement axis installation to be equipped with outer ring on bearing including magnet ring and the bearing being mounted on magnet ring, sensor and pull rod are fixed on outer ring, pull rod one end connects outer ring, and the other end is fixed on shafting pedestal, and outer ring is made to keep opposing stationary, it is connected with clamp system and sealing mechanism on the magnet ring, is guaranteed by clamp system and measurement axis rotates at the same speed；Also disclose its measurement method；The components of measuring device of the present invention all rely on measurement axis installation, clamp system aim at mine impact vibration design, sealing mechanism aim at dust environment design, have it is compact-sized, install firm, the good advantage of dust tightness, be suitble to use under the bad working environments of mine.
Description
Technical field
The present invention relates to a kind of shafting rotation-speed measuring devices, and in particular to a kind of mining magnetoelectric tachometric measuring device, with
And its measurement method.
Background technique
Rotation-speed measuring device is the mechanism for measuring shafting revolving speed.Current mining machinery mostly uses photoelectric tachometric to measure
The elements such as device, including index dial, light source, grating and optical receiver.It uses optoelectronic scanning principle, by point with loophole
Scale rotates at the same speed with axis, and light source and optical receiver are accurately mounted on index dial two sides, receiver covering and index dial phase respectively
With the grating of hole arrangement.Receiver experiences the light variation that index dial rotation generates, and converts optical signals into electric signal.
The working environment of mining machinery is severe, mostly outdoor field, without road, dust from flying, and rotation-speed measuring device
Any vibration damping or suspension measure are not taken, often occur the failures such as grating fracture, dust blocking optical receiver in, it is average every
Need to change spare part within three months.
Since rotation-speed measuring device is mounted on shafting middle-end more, shaft end is related to equipped with devices, disassembly and installations such as toothed discs
Other devices, time and effort consuming.In addition photoelectric tachometric measuring device is import parts, and not only expensive, delivery cycle is also very long.
So photoelectric tachometric measuring device is not suitable for applying under the environment more than dust with impact vibration.
Summary of the invention
It is required to solve the problems, such as that existing photoelectric tachometric measuring device is not able to satisfy mine, main mesh of the invention
Be to provide a kind of mining magnetoelectric tachometric measuring device.
The technical solution adopted by the present invention to solve the technical problems is: a kind of mining rotation-speed measuring device, for measuring
The revolving speed of shafting, components all rely on measurement axis installation, including magnet ring and the bearing being mounted on magnet ring, be equipped on bearing outer
It encloses, sensor and pull rod is fixed on outer ring, pull rod one end connects outer ring, and the other end is fixed on shafting pedestal, keeps outer ring
It is opposing stationary, it is connected with clamp system and sealing mechanism on the magnet ring, is guaranteed by clamp system and measurement axis revolves at the same speed
Turn.
A kind of mining rotation-speed measuring device, magnet ring are the becket that one layer of magnetic material is covered on circumference,
The probe of sensor is located at right above magnetic material, and the gap between probe and magnet ring is 1-3 millimeters.
A kind of mining rotation-speed measuring device, clamp system include the expansion set and folder for being separately positioned on magnet ring both ends
Ring, it is both elastic with Screw adjustment mechanisms, pressing plate is fixed on the expansion set.
A kind of mining rotation-speed measuring device, sealing mechanism include end cap and cover board, the end cap and outer ring
Contact surface have seam allowance, between end cap and shafting use contactless labyrinth seal groove, contact of the cover board with outer ring
Facing cut is fluted, embeds rubber pad.
Another object of the present invention is to provide the measurement method of above-mentioned rotation-speed measuring device.
The technical solution adopted by the present invention to solve the technical problems is: a kind of measurement side of mining rotation-speed measuring device
Method, steps are as follows: choosing the becket that one layer of magnetic material is covered on circumference as magnet ring, when for measuring the revolving speed of shafting
It keeps magnet ring and measured axis to rotate at the same speed, by the probe of sensor setting in right above magnetic material, keeps magnet ring and probe
1-3 millimeters of gap, potentiometer records the voltage that generates by the variation in magnetic field, and sensor calculates expression according to voltage and turns
Incremental signal is converted to two-way and differs 90 ° of square waves and sinewave output by the encoded radio of fast information, can be measured shafting and be turned
Speed.
The beneficial effects of the present invention are:
1, components all rely on measurement axis to fix, easy for installation, reduce site operation amount；
2, it is firm to install, and is suitable for mine impact vibration operating condition；
3, dust tightness is good, can be applied to dust environment.
Detailed description of the invention
Fig. 1 is the cross-sectional view of measuring device of the present invention；
Fig. 2 is the perspective view of one embodiment of measuring device of the present invention；
Fig. 3 is the flow chart of measurement method of the present invention.
Each appended drawing reference are as follows: 1-magnet ring, 2-sensors, 3-outer rings, 4-bearings, 5-expansion sets, 6-clamp rings, 7-ends
Lid, 8-cover boards, 9-pull rods.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Shown in reference picture 1, Fig. 2, the invention discloses a kind of mining rotation-speed measuring devices, for measuring the revolving speed of shafting,
Components all rely on measurement axis installation to be equipped with outer ring 3 on bearing 4, outside including magnet ring 1 and the bearing 4 being mounted on magnet ring 1
Sensor 2 and pull rod 9 are fixed on circle 3,9 one end of pull rod connects outer ring 3, and the other end is fixed on shafting pedestal, keeps outer ring 3
It is opposing stationary, it is connected with clamp system and sealing mechanism on the magnet ring 1, can be guaranteed by clamp system and measurement axis is synchronized
Rotation, wherein the magnet ring 1 is the becket that one layer of magnetic material is covered on circumference, and the probe of sensor 2 is located at magnetism
Right above material, the gap between probe and magnet ring 1 is 1-3 millimeters, and magnet ring 1 and measurement axis rotate at the same speed, according to the change in magnetic field
Change and generate voltage, sensor 2 is calculated the encoded radio for indicating rotary speed information by voltage, and incremental signal is converted to two-way phase
Poor 90 ° of square waves and sinewave output.
Further, the clamp system includes the expansion set 5 and clamp ring 6 for being separately positioned on 1 both ends of magnet ring, both uses spiral shell
It is elastic to follow closely regulating mechanism, is fixed with pressing plate on the expansion set 5.
Further, the sealing mechanism includes end cap 7 and cover board 8, and the contact surface of the end cap 7 and outer ring 3 has
Seam allowance, uses contactless labyrinth seal groove between end cap 7 and shafting, the contact surface of the cover board 8 and outer ring 3 is milled with recessed
Slot embeds rubber pad.
The components of measuring device of the present invention all rely on measurement axis installation, and clamp system aims at the design of mine impact vibration,
Sealing mechanism aims at dust environment design；Structure of the invention is compact, and it is firm to install, and dust tightness is good, is suitble in mine bad working environments
Lower use.
Referring to shown in Fig. 3, being that steps are as follows for the measurement method of measuring device of the present invention:
It chooses and is covered with the becket of one layer of magnetic material on circumference as magnet ring, holding when for measuring the revolving speed of shafting
Magnet ring and measured axis rotate at the same speed, by the probe of sensor setting in right above magnetic material, keep between magnet ring and probe
1-3 millimeters of gap, potentiometer records the voltage generated by the variation in magnetic field, and sensor is calculated according to voltage indicates that revolving speed is believed
Incremental signal is converted to two-way and differs 90 ° of square waves and sinewave output, can measure shafting revolving speed by the encoded radio of breath.
The above-described embodiments merely illustrate the principles and effects of the present invention, and the embodiment that part uses, for
For those skilled in the art, without departing from the concept of the premise of the invention, can also make it is several deformation and
It improves, these are all within the scope of protection of the present invention.
Claims (2)
1. a kind of mining rotation-speed measuring device, for measuring the revolving speed of shafting, components all rely on measurement axis installation, and feature exists
In: including magnet ring (1) and the bearing (4) being mounted on magnet ring (1), it is equipped with outer ring (3) on bearing (4), it is fixed on outer ring (3)
There are sensor (2) and pull rod (9), pull rod (9) one end connects outer ring (3), and the other end is fixed on shafting pedestal, protects outer ring (3)
It holds and is connected with clamp system and sealing mechanism on opposing stationary, described magnet ring (1), guaranteed by clamp system and measure axis and is same
Speed rotation, the clamp system include the expansion set (5) and clamp ring (6) for being separately positioned on magnet ring (1) both ends, are adjusted by screw
Mechanism is elastic, is fixed with pressing plate on the expansion set (5), and the sealing mechanism includes end cap (7) and cover board (8), described
End cap (7) and the contact surface of outer ring (3) have seam allowance, and contactless labyrinth seal groove is used between end cap (7) and shafting, described
Cover board (8) and the contact surface of outer ring (3) be milled with groove, embed rubber pad, the magnet ring (1) is to be covered with one layer on circumference
The becket of magnetic material, the probe of sensor (2) are located at right above magnetic material, and the gap between probe and magnet ring (1) is
1-3 millimeters.
2. a kind of measurement method of mining rotation-speed measuring device as described in claim 1, which is characterized in that steps are as follows:
The becket for being covered with one layer of magnetic material on circumference being chosen as magnet ring, keeping magnet ring when for measuring the revolving speed of shafting
It is rotated at the same speed with measured axis, by the probe of sensor setting in right above magnetic material, keeps the gap 1-of magnet ring and probe
3 millimeters, potentiometer records the voltage generated by the variation in magnetic field, and sensor calculates the volume for indicating rotary speed information according to voltage
Incremental signal is converted to two-way and differs 90 ° of square waves and sinewave output, can measure shafting revolving speed by code value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610199664.4A CN105785063B (en) | 2016-04-05 | 2016-04-05 | A kind of mining rotation-speed measuring device and its measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610199664.4A CN105785063B (en) | 2016-04-05 | 2016-04-05 | A kind of mining rotation-speed measuring device and its measurement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105785063A CN105785063A (en) | 2016-07-20 |
| CN105785063B true CN105785063B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610199664.4A Active CN105785063B (en) | 2016-04-05 | 2016-04-05 | A kind of mining rotation-speed measuring device and its measurement method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414785B (en) * | 2018-05-03 | 2024-07-12 | 苏州微测电子有限公司 | Sensor and detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215118Y (en) * | 1995-03-03 | 1995-12-13 | 邹建新 | Rotating shaft rotating speed sensor |
| CN101285501A (en) * | 2008-05-28 | 2008-10-15 | 张舜德 | Sensing bearing |
| CN201335095Y (en) * | 2009-01-09 | 2009-10-28 | 徐向明 | Rolling bearing with sensor |
| CN102495228A (en) * | 2011-11-22 | 2012-06-13 | 西安航空制动科技有限公司 | Permanent-magnet type airplane wheel speed sensor |
| CN204086294U (en) * | 2014-07-10 | 2015-01-07 | 苏州盛亿电机有限公司 | Axis speed sensing device |
-
2016
- 2016-04-05 CN CN201610199664.4A patent/CN105785063B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215118Y (en) * | 1995-03-03 | 1995-12-13 | 邹建新 | Rotating shaft rotating speed sensor |
| CN101285501A (en) * | 2008-05-28 | 2008-10-15 | 张舜德 | Sensing bearing |
| CN201335095Y (en) * | 2009-01-09 | 2009-10-28 | 徐向明 | Rolling bearing with sensor |
| CN102495228A (en) * | 2011-11-22 | 2012-06-13 | 西安航空制动科技有限公司 | Permanent-magnet type airplane wheel speed sensor |
| CN204086294U (en) * | 2014-07-10 | 2015-01-07 | 苏州盛亿电机有限公司 | Axis speed sensing device |
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| Publication number | Publication date |
|---|---|
| CN105785063A (en) | 2016-07-20 |
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