CN210834960U - Non-contact type rotating speed sensor's validation device - Google Patents
Non-contact type rotating speed sensor's validation device Download PDFInfo
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- CN210834960U CN210834960U CN201922432424.6U CN201922432424U CN210834960U CN 210834960 U CN210834960 U CN 210834960U CN 201922432424 U CN201922432424 U CN 201922432424U CN 210834960 U CN210834960 U CN 210834960U
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- speed sensor
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- 238000010200 validation analysis Methods 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000005389 magnetism Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
A non-contact type rotating speed sensor validation device comprises a supporting table, wherein supporting legs are fixed at four corners of the bottom end of the supporting table, a supporting frame is fixed at the top end of the supporting table, sliding rod supports are arranged at two ends of the supporting frame, a sliding rod is arranged on each sliding rod support, a sensor support is connected onto each sliding rod in a sliding mode, a rotating speed sensor to be tested is fixed at the upper end of each sensor support, an adjusting lead screw is arranged between each outer end sliding rod support and the sensor support, the outer end of each adjusting lead screw is in threaded connection with each sliding rod support, and the outer end of each adjusting lead screw extends out; a magnetic wheel horizontally arranged is arranged between the two supporting frames, a transmission shaft is assembled on the magnetic wheel, the lower end of the transmission shaft is rotatably connected with the supporting table, a motor support is fixed at the bottom end of the supporting table, a vertically arranged stepping motor is fixed on the motor support, and a transmission output shaft of the stepping motor is fixedly connected with the transmission shaft. The utility model discloses simple structure can accurately measure rotational speed sensor's whether accord with production standard, convenient operation.
Description
Technical Field
The utility model belongs to the technical field of speed sensor test fixture mechanical design, especially, relate to a non-contact speed sensor's effect device.
Background
The rotation speed sensor is a sensor for converting the rotation speed of a rotating object into electric quantity to be output, belongs to an indirect measuring device, can be manufactured by a mechanical method, an electrical method, a magnetic method, an optical method and a mixed method, and can be divided into an analog type and a digital type according to different signal forms. The magnetoelectric rotating speed sensor consists of a permanent magnet, a coil, a magnetic disk and the like, wherein a tooth-shaped bulge is processed on the magnetic disk, and the magnetic disk is arranged on a rotating shaft and rotates together with the rotating shaft. When the rotating shaft rotates, the concave-convex tooth shape of the magnetic disk causes the size of an air gap between the magnetic disk and the permanent magnet to change, so that the magnetic flux in a magnetic circuit formed by the permanent magnet changes accordingly. When the magnetic flux changes, an inductive coil with a magnetic circuit passes through the inductive coil, a pulse potential with a certain amplitude is induced, and the frequency of the pulse potential is as follows: ƒ =
In the formula (II). Z is the number of teeth of the magnetic wheel, and n is the number of revolutions of the magnetic wheel in rad/min. At present, a rotating speed sensor is tested without special tool equipment, the rotating speed sensor is usually taken up by two hands and is close to a magnetic wheel for detection, so that the distance between the rotating speed sensor and the magnetic wheel is unfixed, and the error of a measuring result is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a can be more accurate convenient detection revolution speed sensor, provide a non-contact revolution speed sensor's effect device, can fix the revolution speed sensor that awaits measuring and adjust suitable position and detect, machinery replaces the manual work, convenient operation, and is more accurate reliable.
The utility model discloses a more accurate rotational speed sensor that detects provides a non-contact rotational speed sensor's effect device, including a supporting bench, the bottom four corners department of a supporting bench is fixed with the landing leg of vertical setting, and the top of a supporting bench is fixed with the braced frame that the symmetry set up, and braced frame's both ends are equipped with the vertical fixed litter support that is the rectangle, be equipped with the litter that the horizontal interval set up between the litter support, the both ends of litter are fixed respectively on the litter support. Sliding connection has the sensor support that is protruding type on the litter, and the mounting hole has been seted up to the upper end of sensor support, can dismantle in the mounting hole and be fixed with the rotational speed sensor that awaits measuring. An adjusting lead screw is arranged between the sliding rod support and the sensor support, and the inner end of the adjusting lead screw is rotatably connected to the sensor support. The outer end of the adjusting screw rod is in threaded connection with the sliding rod support, the outer end of the adjusting screw rod extends out of the sliding rod support, an adjusting handle is fixed at the outer end of the adjusting screw rod, and fastening bolts used for fixing the adjusting screw rod are respectively arranged on the sliding rod support at the outer end of the adjusting screw rod. The sensor support frame is characterized in that a magnetic wheel horizontally arranged is arranged between the two support frames, bulges are uniformly arranged on the wheel edge of the magnetic wheel at intervals, the setting height of the magnetic wheel is matched with the sensor support frame, and the bulges are arranged in a gap with the rotating speed sensor. The magnetic wheel is provided with a transmission shaft vertically arranged, the lower end of the transmission shaft is rotatably connected with the supporting table, the transmission shaft extends to the lower portion of the supporting table, the bottom end of the supporting table is fixedly provided with a motor support, the motor support is fixedly provided with a stepping motor vertically arranged, and a transmission output shaft of the stepping motor is fixedly connected with the transmission shaft through a coupler.
Preferably, the validation device of the non-contact type rotating speed sensor further comprises a controller and an oscilloscope, and the stepping motor is connected to the controller through a lead; the rotation sensor to be measured is connected to the oscilloscope through a lead.
Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:
the arrangement of the adjusting screw rod can adjust the sensor bracket according to the requirement, and the rotating speed sensor is moved to a proper position; the sensor bracket can detachably fix the rotating speed sensor; the adjusting handle is arranged to facilitate the rotation of the adjusting screw rod, so that the adjusting screw rod is adjusted; a stepping motor is selected to provide proper rotating speed for the magnetic wheel, so that the rotating speed sensor is convenient to detect.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
Reference numerals: 1. a support table; 2. a support frame; 3. a magnetic wheel; 4. a stepping motor; 11. a support leg; 21. a rod support; 22. a slide rod; 23. a sensor holder; 24. a rotational speed sensor; 25. adjusting the lead screw; 251. an adjusting handle; 26. fastening a bolt; 31. a drive shaft; 41. a motor bracket.
Detailed Description
As shown in fig. 1-3, an inspection device for a non-contact type rotation speed sensor comprises a supporting table 1, wherein vertically arranged supporting legs 11 are fixed at four corners of the bottom end of the supporting table 1, symmetrically arranged supporting frames 2 are fixed at the top end of the supporting table 1, two vertically fixed rectangular sliding rod supports 21 are arranged at two ends of each supporting frame 2, sliding rods 22 horizontally arranged at intervals are arranged between the sliding rod supports 21, and two ends of each sliding rod 22 are respectively fixed on the sliding rod supports 21. The sliding rod 22 is connected with a convex sensor support 23 in a sliding mode, the upper end of the sensor support 23 is provided with a mounting hole, and a rotating speed sensor 24 to be detected is detachably fixed in the mounting hole. An adjusting screw 25 is arranged between the outer end slide rod support 21 and the sensor support 23, and the inner end of the adjusting screw 25 is rotatably connected to the sensor support 23 through a bearing. The outer end of the adjusting screw 25 is in threaded connection with the slide rod support 21, the outer end of the adjusting screw 25 extends out of the slide rod support 21, an adjusting handle 251 is fixed at the outer end of the adjusting screw 25, and the adjusting handle 251 is convenient for adjusting the screw. The outer end of the slide rod support 21 is respectively provided with a fastening bolt 26 for fixing the adjusting screw 25, the bottom end of the fastening bolt 26 is in tight contact with the adjusting screw 25, and the fastening bolt 26 can fix the adjusting screw 25. Be equipped with the magnetism wheel 3 that the level set up between two braced frames 2, the wheel of magnetism wheel 3 is along being equipped with the arch that even interval set up, and the setting height and the sensor support frame 23 phase-match of magnetism wheel 3, and speed sensor 24 installs the back on sensor support 23, and the arch and the 24 clearance settings of speed sensor at magnetism wheel 3 edge, magnetism wheel 3 and speed sensor 24's the end department that awaits measuring are on same horizontal plane. Be equipped with the transmission shaft 31 of vertical setting on the magnetic wheel 3, the lower extreme of transmission shaft 31 passes through the bearing with a supporting bench 1 and rotates and be connected, and transmission shaft 31 extends to a supporting bench 1's below, and a supporting bench 1's bottom mounting has motor support 41, is fixed with the step motor 4 of vertical setting on the motor support 41, and step motor 4's transmission output shaft passes through shaft coupling fixed connection with transmission shaft 31.
The validation device of the non-contact type rotating speed sensor also comprises a controller and an oscilloscope, wherein the stepping motor 4 is connected to the controller through a lead; the rotation speed sensor 24 to be measured is connected to the oscilloscope through a lead.
The use process comprises the following steps:
the utility model discloses when using, the speed sensor 24 that will await measuring is fixed on sensor support 23 through the nut respectively, treats that speed sensor 24 is fixed firm back, adjusts speed sensor 24's position through rotation regulation handle 251, at first rotatory fastening bolt 26 for fastening bolt 26 and regulation lead screw 25 separate. The adjusting handle 251 drives the adjusting screw 25 to rotate, the adjusting screw 25 pushes or pulls the sensor support 23 to move on the slide rod 22, and when the rotation speed sensor 24 moves to a position close to the magnetic wheel 3, that is, when the rotation speed sensor 24 can sense the protrusion of the edge of the magnetic wheel 3, the bottom end of the fastening bolt 26 contacts and jacks up the adjusting screw 25 by rotating the fastening bolt 26. The fastening bolts 26 each fix the two adjusting screws 25 so that the sensor carrier 23 no longer slides along the slide rod 22. After the position of the rotation speed sensor 24 is adjusted, the stepping motor 4 is adjusted to a certain rotation speed through the controller, and the rotation speed sensor 24 is detected. The waveform diagram of the rotation speed sensor 24 can be displayed on an oscilloscope, so that the observation of workers is facilitated.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (4)
1. The utility model provides a non-contact speed sensor's validation device, includes a supporting bench, and the bottom four corners department of a supporting bench is fixed with the landing leg of vertical setting, its characterized in that: the top end of the supporting table is fixed with symmetrically arranged supporting frames, two ends of each supporting frame are provided with vertically fixed rectangular sliding rod supports, sliding rods horizontally arranged at intervals are arranged between the sliding rod supports, two ends of each sliding rod are respectively fixed on the sliding rod supports, a sensor support is connected onto each sliding rod in a sliding mode, a rotating speed sensor to be detected is detachably fixed at the upper end of each sensor support, an adjusting lead screw is arranged between each sliding rod support and each sensor support, the inner end of each adjusting lead screw is rotatably connected onto each sensor support, the outer end of each adjusting lead screw is in threaded connection with each sliding rod support, and the outer end of each adjusting lead screw extends out of each sliding rod support; be equipped with the magnetism wheel that the level set up between two braced frames, the wheel of magnetism wheel is along being equipped with the arch that even interval set up, is equipped with the transmission shaft of vertical setting on the magnetism wheel, and the lower extreme and the brace table of transmission shaft rotate to be connected, and the transmission shaft extends to the below of brace table, and the bottom mounting of brace table has the motor support, is fixed with the step motor of vertical setting on the motor support, and step motor's transmission output shaft passes through shaft coupling fixed connection with the transmission shaft.
2. A validation device of a non-contact type revolution speed sensor according to claim 1, characterized in that: an adjusting handle is fixed at the outer end of the adjusting screw rod; and the slide rod brackets at the outer ends are respectively provided with a fastening bolt for fixing the adjusting screw rod.
3. A validation device of a non-contact type revolution speed sensor according to claim 2, characterized in that: the setting height of magnetic wheel and sensor support frame phase-match, and protruding and rotational speed sensor clearance setting.
4. A validation device for a non-contact type revolution speed sensor according to claim 3, wherein: the validation device of the non-contact type rotating speed sensor also comprises a controller and an oscilloscope, wherein the stepping motor is connected to the controller through a lead; the rotation sensor to be measured is connected to the oscilloscope through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922432424.6U CN210834960U (en) | 2019-12-30 | 2019-12-30 | Non-contact type rotating speed sensor's validation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922432424.6U CN210834960U (en) | 2019-12-30 | 2019-12-30 | Non-contact type rotating speed sensor's validation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210834960U true CN210834960U (en) | 2020-06-23 |
Family
ID=71260857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922432424.6U Expired - Fee Related CN210834960U (en) | 2019-12-30 | 2019-12-30 | Non-contact type rotating speed sensor's validation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210834960U (en) |
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2019
- 2019-12-30 CN CN201922432424.6U patent/CN210834960U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |