CN211179889U - Calibration device for rotating speed sensor - Google Patents
Calibration device for rotating speed sensor Download PDFInfo
- Publication number
- CN211179889U CN211179889U CN201922109473.6U CN201922109473U CN211179889U CN 211179889 U CN211179889 U CN 211179889U CN 201922109473 U CN201922109473 U CN 201922109473U CN 211179889 U CN211179889 U CN 211179889U
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- bevel gear
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- gear box
- fixing plate
- constant speed
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- 238000003780 insertion Methods 0.000 claims abstract description 25
- 230000037431 insertion Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000012795 verification Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a rotational speed sensor calibration equipment belongs to energy storage power station auxiliary assembly field, its technical scheme be including constant speed ware, the bevel gear case of setting on the constant speed ware and the telescopic bracket of setting on the bevel gear case, the input shaft of bevel gear case is connected on constant speed ware, and the output shaft tip of bevel gear case is provided with the mounting panel, is provided with the check fluted disc through the bolt on the mounting panel, and the telescopic bracket includes outer fixed plate and L shape inner insertion plate.
Description
Technical Field
The utility model relates to an energy storage power station auxiliary assembly especially relates to a speed sensor calibration equipment.
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 rotational speed sensor calibration equipment of the unit test fluted disc of unidimensional not.
The utility model discloses a realize through following measure:
a rotating speed sensor calibration device is characterized by comprising a constant speed device, a bevel gear box arranged on the constant speed device and a telescopic bracket 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.
The telescopic bracket comprises an outer fixing plate and an L-shaped inner insertion plate, the outer fixing plate is sleeved with the outer periphery of an output shaft of the bevel gear box and fixedly installed on the bevel gear box, the outer fixing plate is kept away from the side face of one side of the bevel gear box, the L-shaped inner insertion plate comprises a fixing plate of vertical setting, a pair of insertion plates are arranged on the side face of the fixing plate in parallel, the insertion plates are all arranged in the insertion grooves, gears are arranged in the front end of the insertion grooves through rotating shafts, the gears are arranged in a pair mode between the insertion plates, one side of the insertion plates is arranged on the inner side of the insertion plates and is matched with racks used by the gears, one end of the rotating shaft is arranged at the top of the insertion grooves, the other end of the rotating shaft is worn out of.
The utility model discloses a concrete characteristics have in addition:
the gear below be provided with the fixed disk in the pivot, the fixed disk sets up in the slot, it is a pair of correspond on the picture peg the spout has been seted up to the fixed disk position.
The fixing plate is provided with a U-shaped mounting groove, the top of the U-shaped mounting groove is provided with a through threaded hole on the fixing plate, 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 B.
Elastic rubber pads are arranged on the bottom surface of the pressing plate and the surfaces of the U-shaped mounting grooves.
The rotary button A is rotated during adjustment, the L-shaped inner insertion plate can move left and right under the matching of the gear and the rack, the fixed disc is arranged, and the strength of the telescopic bracket is enhanced.
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 view of an internal structure of the telescopic bracket according to an embodiment of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a partially enlarged view of a portion B in fig. 3.
The reference numbers of the device are 1, a constant speed device, 2, a bevel gear box, 3, a telescopic support, 4, a check fluted disc, 5, an outer fixing plate, 501, a slot, 6, L-shaped inner insertion plates, 7, a rotating button A, 8, a mounting plate, 9, a bolt, 10, a fixing plate, 1001, a U-shaped mounting groove, 11, an insertion plate, 1101, a sliding groove, 12, a gear, 13, a fixing plate, 14, a limiting screw rod, 15, a pressing plate, 16 and a rotating button B.
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. 1-5, a calibration device for a rotation speed sensor comprises a constant speed device 1, a bevel gear box 2 arranged on the constant speed device 1 and a telescopic bracket 3 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 8 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 8 through a bolt 9;
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.
Telescopic bracket 3 includes outer fixed plate 105 and L shape interior splint 116, outer fixed plate 105 cover is established at bevel gear box 2's output shaft periphery and fixed mounting on bevel gear box 2, outer fixed plate 105 is kept away from bevel gear box 2 one side and has been seted up slot 501, L shape interior splint 116 includes the fixed plate 10 of vertical setting, fixed plate 10 side parallel arrangement has a pair of picture peg 11, a pair of picture peg 11 all sets up in slot 501, slot 501 front end is inside to be provided with gear 12 through the pivot, gear 12 sets up between a pair of picture peg 11, one side picture peg 11 inboard is provided with the rack that uses with gear 12 cooperation, pivot one end sets up at the slot 501 top, the pivot other end is worn out the slot 501 bottom and is set up in the outer fixed plate 105 outside, the pivot is located outer fixed plate 105 outside.
A fixed disk 13 is arranged on the rotating shaft below the gear 12, the fixed disk 13 is arranged in the slot 501, and a sliding groove 1101 is formed in the pair of inserting plates 11 corresponding to the position of the fixed disk 13.
The U-shaped mounting groove 1001 has been seted up on the fixed plate 10, sets up the screw hole that runs through on U-shaped mounting groove 1001 top, the fixed plate 10, is provided with stop screw 14 in the screw hole, and 14 one end settings of stop screw are provided with clamp plate 15 in U-shaped mounting groove 1001, and the stop screw 14 other end is worn out the screw hole and is provided with knob B16.
Elastic rubber pads are arranged on the bottom surface of the pressing plate 15 and the surface of the U-shaped mounting groove 1001.
Install speed sensor's rotational speed switch in U-shaped mounting groove 1001, place speed sensor in U-shaped mounting groove 1001, rotate the rotatory stop screw 14 of knob B16, it is fixed speed sensor with clamp plate 15, it is preferred, can adopt stack elastic rubber pad to make speed sensor and check-up fluted disc 4 keep the level, utilize telescoping bracket 3 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 adjustment, rotatory knob A7, under the cooperation of gear 12 and rack, L shape interior picture peg 116 can remove about, set up fixed disk 13 simultaneously, the intensity of telescoping bracket 3 has been strengthened.
During the check-up, install speed sensor's rotational speed switch in U-shaped mounting groove 1001, 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
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 (4)
1. A rotating speed sensor calibration device is characterized by comprising a constant speed device, a bevel gear box arranged on the constant speed device and a telescopic bracket 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 telescopic bracket comprises an outer fixing plate and an L-shaped inner insertion plate, the outer fixing plate is sleeved with the outer periphery of an output shaft of the bevel gear box and fixedly installed on the bevel gear box, the outer fixing plate is kept away from the side face of one side of the bevel gear box, the L-shaped inner insertion plate comprises a fixing plate of vertical setting, a pair of insertion plates are arranged on the side face of the fixing plate in parallel, the insertion plates are all arranged in the insertion grooves, gears are arranged in the front end of the insertion grooves through rotating shafts, the gears are arranged between the insertion plates in a pair mode, one side of each insertion plate is arranged on the inner side of each insertion plate, racks used in a gear matching mode are arranged on the top of each insertion groove, the other ends of the rotating shafts are worn out, the bottoms of the insertion grooves are.
2. The device for calibrating the rotation speed sensor according to claim 1, wherein a fixed disk is arranged below the gear and on the rotating shaft, the fixed disk is arranged in the slot, and sliding grooves are formed in a pair of the inserting plates corresponding to the fixed disk.
3. The calibration device for the rotation speed sensor according to claim 2, wherein a U-shaped mounting groove is formed in the fixing plate, a threaded hole penetrating through the top of the U-shaped mounting groove and the fixing plate is formed in the fixing plate, 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 B.
4. A tacho generator verification device according to claim 3, wherein the pressure plate bottom surface and the U-shaped mounting groove surface are provided with elastomeric pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922109473.6U CN211179889U (en) | 2019-11-30 | 2019-11-30 | Calibration device for rotating speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922109473.6U CN211179889U (en) | 2019-11-30 | 2019-11-30 | Calibration device for rotating speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211179889U true CN211179889U (en) | 2020-08-04 |
Family
ID=71799167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922109473.6U Active CN211179889U (en) | 2019-11-30 | 2019-11-30 | Calibration device for rotating speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211179889U (en) |
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2019
- 2019-11-30 CN CN201922109473.6U patent/CN211179889U/en active Active
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