CN210604687U - Rotating speed sensor calibration device with adjusting mechanism - Google Patents
Rotating speed sensor calibration device with adjusting mechanism Download PDFInfo
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- CN210604687U CN210604687U CN201922109472.1U CN201922109472U CN210604687U CN 210604687 U CN210604687 U CN 210604687U CN 201922109472 U CN201922109472 U CN 201922109472U CN 210604687 U CN210604687 U CN 210604687U
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- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 6
- 238000012795 verification Methods 0.000 description 4
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- 238000004519 manufacturing process Methods 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
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Abstract
The utility model provides a revolution speed transducer calibration equipment with adjustment mechanism belongs to energy storage power station auxiliary assembly field. The technical scheme is as follows: the constant-speed device comprises a constant-speed device, a bevel gear box and an adjusting mechanism, wherein the bevel gear box is arranged on the constant-speed device, the adjusting mechanism is arranged on the bevel gear box, an input shaft of the bevel gear box is connected to the constant-speed device, an installation plate is arranged at the end part of an output shaft of the bevel gear box, a checking fluted disc is arranged on the installation plate through a bolt, a fixing plate A is arranged on the bevel gear box, one end part of the fixing plate A is arranged on the bevel gear box and sleeved on the periphery of. The utility model has the advantages that: simple structure, convenient to use can be accurate carry out the check-up to the speed switch to can be applicable to the unit test fluted disc of unidimensional not.
Description
Technical Field
The utility model relates to an energy storage power station auxiliary assembly especially relates to a speed sensor calibration equipment with adjustment mechanism.
Background
The pumped storage power station pumps water to an upper reservoir by utilizing electric energy in the low ebb period of the electric load, and discharges water to a hydropower station for generating power in a lower reservoir in the peak period of the electric load, also called an energy storage type hydropower station, wherein the hydropower station mainly comprises an upper reservoir, a lower reservoir, a water delivery system, an underground factory building and a ground switch station, and is a pure pumped storage power station for daily regulation, as long as the peak regulation and valley filling tasks of a power grid in Shandong are carried out, the pure pumped storage power station has the functions of frequency modulation, phase modulation, accident standby and the like, and according to major anti-accident measures 8.3.2.1 of the: the requirement that a speed measuring device needs to be checked regularly without jumping and sudden change phenomena is met, operation and maintenance staff need to check a rotating speed switch of a speed regulator system of a unit regularly, and at present, a good checking platform does not exist for checking the rotating speed switch.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, convenient to use can be accurate carry out the check-up to speed switch to can be applicable to the not rotational speed sensor calibration equipment that has adjustment mechanism of unidimensional unit test fluted disc.
The utility model discloses a realize through following measure:
a rotating speed sensor calibration device with an adjusting mechanism is characterized by comprising a constant speed device, a bevel gear box arranged on the constant speed device and the adjusting mechanism arranged on the bevel gear box;
an input shaft of the bevel gear box is connected to the constant speed device, an installation plate is arranged at the end part of an output shaft of the bevel gear box, and a check fluted disc is arranged on the installation plate through bolts;
and (4) reducing and manufacturing the checking fluted disc according to the size of the speed measuring fluted disc of the unit according to a certain proportion.
Adjustment mechanism is including setting up a pair of slide rail of fixed plate A up end both sides, it is a pair of slide rail parallel arrangement, it is a pair of be provided with the lead screw between the slide rail, the peripheral cover of lead screw be equipped with the lead screw slider that the lead screw cooperation was used, it is a pair of be provided with preceding fixed plate B between the slide rail front end, it is a pair of be provided with after-fixing board B between the slide rail rear end, lead screw one end sets up after-fixing board B is last, the lead screw other end passes preceding fixed plate B sets up before fixed plate B outside is provided with rotatory handle, and is a pair of the slide rail all is provided with the slider, both sides be provided with the diaphragm between the slider, the lead screw slider is fixed to be set up under the.
The utility model discloses a concrete characteristics have in addition:
the fixing plate C is provided with a U-shaped mounting groove, the top of the U-shaped mounting groove is provided with a through threaded hole, a limit screw is arranged in the threaded hole, one end of the limit screw is arranged in the U-shaped mounting groove and provided with a pressing plate, and the other end of the limit screw penetrates out of the threaded hole and is provided with a rotating button.
The bottom surface of the pressing plate and the surface of the U-shaped mounting groove are both provided with elastic rubber pads, and a plurality of reinforcing plates are arranged between the fixed plate C and the transverse plate.
Install speed sensor's rotational speed switch in the U-shaped mounting groove places speed sensor in the U-shaped mounting groove, rotate rotatory button is rotatory stop screw utilizes the clamp plate is fixed speed sensor, and is preferred, can adopt stack elastic rubber pad to make speed sensor with the check-up fluted disc keeps the level, utilizes simultaneously adjustment mechanism adjusts speed sensor's position to be applicable to not unidimensional unit test fluted disc, conveniently adjust speed sensor simultaneously with interval between the check-up fluted disc, during the regulation, rotatory handle under the cooperation of lead screw and lead screw slider, the diaphragm with mounting panel C can remove, is close to and keeps away from the check-up fluted disc.
During the check-up, install speed sensor's rotational speed switch in the U-shaped mounting groove, utilize power module for the power supply of speed measurement sensor to connect speed sensor in the universal meter, survey the current value of speed measurement sensor output through the universal meter, compare through the current value of speed measurement sensor's measured value and speed measurement sensor output with constant speed ware rotational speed setting value at last, thereby verify speed sensor's accuracy.
The utility model has the advantages that: simple structure, convenient to use can be accurate carry out the check-up to the speed switch to can be applicable to the unit test fluted disc of unidimensional not.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an adjusting mechanism in an embodiment of the present invention.
Wherein the reference numerals are: 1. a constant speed device; 2. a bevel gear box; 3. fixing a plate A; 4. checking a fluted disc; 5. an adjustment mechanism; 6. mounting a plate; 7. a bolt; 8. a slide rail; 9. a slider; 10. a screw rod; 11. a screw rod slide block; 12. a transverse plate; 13. a fixing plate C; 14. a rear fixing plate B; 15. a front fixing plate B; 16. rotating the handle; 17. a U-shaped mounting groove; 18. a limit screw; 19. pressing a plate; 20. the knob is rotated.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1-3, a calibration device for a rotation speed sensor with an adjusting mechanism comprises a constant speed device 1, a bevel gear box 2 arranged on the constant speed device 1 and an adjusting mechanism 5 arranged on the bevel gear box 2;
an input shaft of the bevel gear box 2 is connected to the constant speed device 1, an installation plate 6 is arranged at the end part of an output shaft of the bevel gear box 2, and a check fluted disc 4 is arranged on the installation plate 6 through a bolt 7;
and (4) manufacturing the check fluted disc 4 according to the size of the speed measuring fluted disc of the unit and the reduction of a certain proportion.
The fixing plate C13 is provided with a U-shaped mounting groove 17, the top of the U-shaped mounting groove 17 and the fixing plate C13 are provided with a through threaded hole, a limit screw 18 is arranged in the threaded hole, one end of the limit screw 18 is arranged in the U-shaped mounting groove 17 and provided with a pressing plate 19, and the other end of the limit screw 18 penetrates out of the threaded hole and is provided with a rotating button 20.
Elastic rubber pads are arranged on the bottom surface of the pressing plate 19 and the surface of the U-shaped mounting groove 17, and a plurality of reinforcing plates are arranged between the fixing plate C13 and the transverse plate 12.
Install speed sensor's rotational speed switch in U-shaped mounting groove 17, place speed sensor in U-shaped mounting groove 17, rotate the rotatory stop screw 18 of knob 20, it is fixed with speed sensor to utilize clamp plate 19, it is preferred, can adopt stack elastic rubber pad to make speed sensor and check-up fluted disc 4 keep the level, utilize adjustment mechanism 5 to adjust speed sensor's position simultaneously, thereby be applicable to not unidimensional unit test fluted disc, conveniently adjust the interval between speed sensor and the check-up fluted disc 4 simultaneously, during the regulation, rotatory handle 16, under the cooperation of lead screw 10 and lead screw slider 11, diaphragm 12 and mounting panel 6C can remove, be close to and keep away from check-up fluted disc 4.
During the check-up, install speed sensor's rotational speed switch in U-shaped mounting groove 17, utilize power module for the power supply of speed measurement sensor to connect speed sensor in the universal meter, survey the current value of speed measurement sensor output through the universal meter, compare with 1 rotational speed setting value of constant speed ware through the current value of speed measurement sensor's measured value and speed measurement sensor output at last, thereby verify speed sensor's accuracy.
Wherein, taking the calibration of the TURCK MS22-Ri/M29 rotating speed measuring sensor as an example,
the terminals 1 and 2 of the TURCK MS22-Ri/M29 rotation speed measurement sensor are power supply terminals and adopt 24VDC for power supply; the terminals 3, 4 and 5 are action contacts of the electric over-speed relay, wherein 3 and 5 are normally open contacts, and 4 and 5 are normally closed contacts; the terminals 7 and 8 are current signal output terminals, if the terminals 13 and 14 are not short-circuited, a 0-20mA current signal is output, and if the terminals 13 and 14 are short-circuited, a 4-20mA current signal is output; the terminals 9, 10 and 11 are used for collecting and receiving pulse signals sent by the rotating speed switch, converting the frequency pulse signals into 0-20mA or 4-20mA current signals and outputting the signals through the terminals 7 and 8. Two limit value setting knobs on the left side of the TURCK MS22-Ri/M29 rotating speed measuring sensor are set as an electric overspeed fixed value, an electric overspeed fixed value of a power station is set as 123%, the other three limit value setting knobs are set as rotating speed measuring ranges, and the rotating speed measuring ranges of the power station are 0-200% ↔ 0-600 r/min.
Fixing a rotating speed switch on the telescopic bracket, supplying power to a TURCK MS22-Ri/M29 rotating speed measuring sensor by using a Phoenix power module, short- circuiting terminals 13 and 14, connecting terminals 9, 10 and 11 into a cable, connecting the other end of the cable with the rotating speed switch through an aviation plug, connecting a positive electrode of a frequency gear measuring frequency gear into the terminal 9, connecting a negative electrode into the terminal 11, connecting terminals 7 and 8 into a current gear of a universal meter, measuring output current, and connecting the terminals 3 and 5 into a buzzing gear of the universal meter to measure the switching action condition after overspeed;
the verification result table 1 shows that the actually measured rotating speed can well change along with the change of the rotating speed set value of the constant speed device, and the rotating speed switch is proved to be accurate in action and free of abnormity.
While the rotation speed switch is verified, the verification result table 1 can also show that the current output by the TURCK MS22-Ri/M29 rotation speed measurement sensor can also linearly change along with the change of the rotation speed set value of the constant speed device, and the verification result is shown in the table 1 and verifies that the rotation speed measurement sensor accurately outputs. In the speed increasing process, when the rotating speed is greater than 123%, the electric overspeed relay acts, and the electric overspeed fixed value is verified to be 123%, and is consistent with the set value.
TABLE 1 verification results
| Sequence of steps Number (C) | Rotational speed setting of constant speed device （r/min） | Corresponding rotational speed percentage Ratio (%) | Measured frequency （Hz） | Output current （mA） | Over-speed relay Work conditions |
| 1 | 0 | 0 | 0 | 4.00mA | Whether or not |
| 2 | 75 | 25% | 12.5 | 6.00mA | Whether or not |
| 3 | 150 | 50% | 25 | 8.00mA | Whether or not |
| 4 | 225 | 75% | 37.5 | 10.00mA | Whether or not |
| 5 | 300 | 100% | 50 | 12.00mA | Whether or not |
| 6 | 375 | 125% | 62.5 | 14.00mA | Is that |
| 7 | 450 | 150% | 75 | 16.00mA | Is that |
| 8 | 525 | 175% | 87.5 | 18.00mA | Is that |
| 9 | 600 | 200% | 100 | 20.00mA | Is that |
| 10 | 525 | 175% | 87.5 | 18.00mA | Is that |
| 11 | 450 | 150% | 75 | 16.00mA | Is that |
| 12 | 375 | 125% | 62.5 | 14.00mA | Is that |
| 13 | 300 | 100% | 50 | 12.00mA | Whether or not |
| 14 | 225 | 75% | 37.5 | 10.00mA | Whether or not |
| 15 | 150 | 50% | 25 | 8.00mA | Whether or not |
| 16 | 75 | 25% | 12.5 | 6.00mA | Whether or not |
| 17 | 0 | 0 | 0 | 4.00mA | Whether or not |
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (3)
1. A rotating speed sensor calibration device with an adjusting mechanism is characterized by comprising a constant speed device, a bevel gear box arranged on the constant speed device and the adjusting mechanism arranged on the bevel gear box;
an input shaft of the bevel gear box is connected to the constant speed device, an installation plate is arranged at the end part of an output shaft of the bevel gear box, and a check fluted disc is arranged on the installation plate through bolts;
the bevel gear box is provided with a fixing plate A, one end part of the fixing plate A is arranged on the bevel gear box and sleeved on the periphery of an output shaft of the bevel gear box, and the fixing plate A is provided with the adjusting mechanism;
adjustment mechanism is including setting up a pair of slide rail of fixed plate A up end both sides, it is a pair of slide rail parallel arrangement, it is a pair of be provided with the lead screw between the slide rail, the peripheral cover of lead screw be equipped with the lead screw slider that the lead screw cooperation was used, it is a pair of be provided with preceding fixed plate B between the slide rail front end, it is a pair of be provided with after-fixing board B between the slide rail rear end, lead screw one end sets up after-fixing board B is last, the lead screw other end passes preceding fixed plate B sets up before fixed plate B outside is provided with rotatory handle, and is a pair of the slide rail all is provided with the slider, both sides be provided with the diaphragm between the slider, the lead screw slider is fixed to be set up under the.
2. The device for calibrating a rotation speed sensor with an adjusting mechanism according to claim 1, wherein a U-shaped mounting groove is formed on the fixing plate C, a threaded hole is formed in the top of the U-shaped mounting groove and the fixing plate C, a limit screw is arranged in the threaded hole, one end of the limit screw is arranged in the U-shaped mounting groove and provided with a pressing plate, and the other end of the limit screw penetrates through the threaded hole and provided with a rotating button.
3. The device for calibrating a rotation speed sensor with an adjusting mechanism according to claim 2, wherein the bottom surface of the pressing plate and the surface of the U-shaped installation groove are both provided with elastic rubber pads, and a plurality of reinforcing plates are arranged between the fixing plate C and the transverse plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922109472.1U CN210604687U (en) | 2019-11-30 | 2019-11-30 | Rotating speed sensor calibration device with adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922109472.1U CN210604687U (en) | 2019-11-30 | 2019-11-30 | Rotating speed sensor calibration device with adjusting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210604687U true CN210604687U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922109472.1U Active CN210604687U (en) | 2019-11-30 | 2019-11-30 | Rotating speed sensor calibration device with adjusting mechanism |
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| CN (1) | CN210604687U (en) |
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- 2019-11-30 CN CN201922109472.1U patent/CN210604687U/en active Active
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