CN216013426U - Auxiliary calibration device for rotating speed sensor - Google Patents
Auxiliary calibration device for rotating speed sensor Download PDFInfo
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- CN216013426U CN216013426U CN202122269825.1U CN202122269825U CN216013426U CN 216013426 U CN216013426 U CN 216013426U CN 202122269825 U CN202122269825 U CN 202122269825U CN 216013426 U CN216013426 U CN 216013426U
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Abstract
The utility model provides a calibration equipment is assisted to speed sensor belongs to energy storage power station auxiliary assembly field. The technical scheme is as follows: including constant-speed gear, the bevel gear case of setting on the constant-speed gear and the board of encorbelmenting of setting on the bevel gear case, still including setting up the adjustment mechanism on the board of encorbelmenting, the input shaft of bevel gear case is connected on constant-speed gear, the output shaft tip of bevel gear case is provided with the mounting panel, be provided with the check-up fluted disc through the bolt on the mounting panel, adjustment mechanism is including setting up two sets of fixed plates in the board up end width direction both sides of encorbelmenting, be provided with the guide bar between the homonymy fixed plate, both sides guide bar periphery all is provided with the uide bushing, be provided with the diaphragm between the uide bushing of both sides, be provided with the installation riser on the diaphragm, be provided with tachometric sensor on the installation riser. The utility model has the advantages that: simple structure, convenient to use can be accurate carries out the check-up to speed sensor, can be applicable to not unidimensional unit test fluted disc simultaneously.
Description
Technical Field
The utility model relates to an energy storage power station auxiliary assembly field especially relates to a calibration equipment is assisted to speed sensor.
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 hydropower station: 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 carries out the check-up to speed sensor, can be applicable to the speed sensor auxiliary check-up device of not unidimensional unit test fluted disc simultaneously.
The utility model discloses a realize through following measure:
the auxiliary calibration device for the rotating speed sensor is characterized by comprising a constant speed device, a bevel gear box arranged on the constant speed device, an overhanging plate arranged on the bevel gear box and an adjusting mechanism arranged on the overhanging plate;
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;
one end of the cantilever plate is fixedly arranged on the top surface of the bevel gear box and sleeved on the periphery of an output shaft of the bevel gear box;
the adjusting mechanism comprises two groups of fixed plates arranged on two sides of the width direction of the upper end face of the cantilever plate, a guide rod is arranged between the fixed plates on the same side, guide sleeves are arranged on the peripheries of the guide rods on the two sides, a transverse plate is arranged between the guide sleeves on the two sides, a spring A is arranged between each guide sleeve and the fixed plate close to one side of the checking fluted disc, the spring A is arranged on the periphery of the guide rod, a support plate is arranged on one side, away from the checking fluted disc, of the cantilever plate, a threaded cylinder is arranged on each support plate, an adjusting screw rod is arranged in each threaded cylinder, a rotating button is arranged at one end of each adjusting screw rod, and the other end of each adjusting screw rod penetrates through the threaded cylinder and abuts against the side face of the transverse plate;
the diaphragm is provided with an installation vertical plate, and the installation vertical plate is provided with a rotating speed sensor.
The utility model discloses a concrete characteristics have in addition:
the top surface of the installation vertical plate is provided with a U-shaped installation groove, the side walls of two sides of the U-shaped installation groove are symmetrically provided with penetrating rectangular notches, vertical rods are arranged in the rectangular notches of the two sides, lifting sleeves are arranged on the peripheries of the vertical rods of the two sides, a pressure rod is arranged between the lifting sleeves of the two sides, a spring B is arranged between the lifting sleeve and the top of the U-shaped installation groove, and the spring B is arranged on the periphery of the vertical rods;
preferably, the pressure lever is provided with a lifting rod;
and the rotating speed sensor is arranged between the pressure lever and the bottom surface of the U-shaped mounting groove.
The adjusting screw rod is characterized in that an adjusting bull's eye wheel is arranged at the end part of the adjusting screw rod and abuts against the lateral surface of the transverse plate.
A pair of arc supporting plates are symmetrically arranged on two sides of the bottom surface of the U-shaped mounting groove and on the mounting vertical plate.
Elastic rubber pads are arranged on the bottom surface of the U-shaped mounting groove and the outer surface of the pressing rod.
When the device is used, the pressure rod is lifted, the rotating speed sensor is placed in the U-shaped mounting groove, the pressure rod is loosened, the pressure rod resets under the action of the elastic force of the spring B, the rotating speed sensor is tightly pressed in the U-shaped mounting groove, furthermore, the rotating speed sensor and the check fluted disc can be kept horizontal by adopting the superposed elastic rubber pads, and the position of the rotating speed sensor is adjusted, so that the device is suitable for testing fluted discs of different sizes, the distance between the rotating speed sensor and the check fluted disc can be conveniently adjusted, the adjusting screw rod is rotated during adjustment, and the guide sleeve can move along with the position of the end part of the adjusting screw rod under the action of the elastic force of the spring A;
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 carries out the check-up to speed sensor, can be applicable to not unidimensional unit test fluted disc simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an adjusting mechanism in an embodiment of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Wherein the reference numerals are: 1. a constant speed device; 2. a bevel gear box; 3. a cantilever plate; 4. a guide bar; 5. a guide sleeve; 6. a transverse plate; 7. installing a vertical plate; 701. a U-shaped mounting groove; 702. a rectangular notch; 8. a rotational speed sensor; 9. checking a fluted disc; 10. a fixing plate; 11. a spring A; 12. a support plate; 13. a threaded barrel; 14. adjusting the screw rod; 15. adjusting the bull's eye wheel; 16. a vertical rod; 17. a lifting sleeve; 18. a spring B; 19. a pressure lever; 20. an arc supporting plate.
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, an auxiliary calibration device for a rotation speed sensor 8 comprises a constant speed device 1, a bevel gear box 2 arranged on the constant speed device 1, an overhanging plate 3 arranged on the bevel gear box 2, and an adjusting mechanism arranged on the overhanging plate 3;
an input shaft of the bevel gear box 2 is connected to the constant speed device 1, an installation plate is arranged at the end part of an output shaft of the bevel gear box 2, and a check fluted disc 9 is arranged on the installation plate through bolts;
one end of the cantilever plate 3 is fixedly arranged on the top surface of the bevel gear box 2 and sleeved on the periphery of an output shaft of the bevel gear box 2;
the adjusting mechanism comprises two groups of fixing plates 10 arranged on two sides of the width direction of the upper end face of the cantilever plate 3, a guide rod 4 is arranged between the fixing plates 10 on the same side, guide sleeves 5 are arranged on the peripheries of the guide rods 4 on the two sides, a transverse plate 6 is arranged between the guide sleeves 5 on the two sides, a spring A11 is arranged between each guide sleeve 5 and the fixing plate 10 close to one side of the checking fluted disc 9, a spring A11 is arranged on the periphery of each guide rod 4, a support plate 12 is arranged on one side, far away from the checking fluted disc 9, of the cantilever plate 3, a threaded cylinder 13 is arranged on each support plate 12, an adjusting screw 14 is arranged in each threaded cylinder 13, a rotating button is arranged at one end of each adjusting screw 14, and the other end of each adjusting screw 14 penetrates through the threaded cylinder 13 and abuts against the side face of the transverse plate 6;
the transverse plate 6 is provided with an installation vertical plate 7, and the installation vertical plate 7 is provided with a rotating speed sensor 8.
A U-shaped mounting groove 701 is formed in the top surface of the mounting vertical plate 7, penetrating rectangular notches 702 are symmetrically formed in the side walls of two sides of the U-shaped mounting groove 701, vertical rods 16 are arranged in the rectangular notches 702 of the two sides, lifting sleeves 17 are arranged on the peripheries of the vertical rods 16 of the two sides, a pressure rod 19 is arranged between the lifting sleeves 17 of the two sides, a spring B18 is arranged between the lifting sleeve 17 and the top of the U-shaped mounting groove 701, and a spring B18 is arranged on the periphery of the vertical rod 16;
preferably, the pressure lever 19 is provided with a lifting rod;
a rotating speed sensor 8 is arranged between the pressure rod 19 and the bottom surface of the U-shaped mounting groove 701.
The end part of the adjusting screw 14 is provided with an adjusting bull's eye wheel 15, and the adjusting bull's eye wheel 15 is propped against the lateral surface of the transverse plate 6.
A pair of arc supporting plates 20 are symmetrically arranged on two sides of the bottom surface of the U-shaped mounting groove 701 and on the mounting vertical plate 7.
Elastic rubber pads are arranged on the bottom surface of the U-shaped mounting groove 701 and the outer surface of the pressure rod 19.
When the device is used, the compression rod 19 is lifted, the rotating speed sensor 8 is placed in the U-shaped mounting groove 701, the compression rod 19 is loosened, the compression rod 19 resets under the action of the elastic force of the spring B18, the rotating speed sensor 8 is tightly pressed in the U-shaped mounting groove 701, furthermore, the rotating speed sensor 8 and the check fluted disc 9 can be kept horizontal by adopting the superposed elastic rubber pads, and the position of the rotating speed sensor 8 is adjusted at the same time, so that the device is suitable for testing fluted discs of units with different sizes, the distance between the rotating speed sensor 8 and the check fluted disc 9 can be conveniently adjusted, and during adjustment, the adjusting screw 14 is rotated, and the guide sleeve 5 can move along with the position of the end part of the adjusting screw 14 under the action of the elastic force of the spring A11;
during the check-up, install tachometric sensor 8's rotational speed switch in U-shaped mounting groove 701, utilize power module for the power supply of tachometric sensor to connect tachometric sensor 8 in the universal meter, survey the current value of tachometric sensor output through the universal meter, compare tachometric sensor 8's measured value and tachometric sensor output's current value and constant speed 1 rotational speed set value at last, thereby verify tachometric sensor 8's accuracy.
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 (5)
1. The auxiliary calibration device for the rotating speed sensor is characterized by comprising a constant speed device, a bevel gear box arranged on the constant speed device, an overhanging plate arranged on the bevel gear box and an adjusting mechanism arranged on the overhanging plate;
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;
one end of the cantilever plate is fixedly arranged on the top surface of the bevel gear box and sleeved on the periphery of an output shaft of the bevel gear box;
the adjusting mechanism comprises two groups of fixed plates arranged on two sides of the width direction of the upper end face of the cantilever plate, a guide rod is arranged between the fixed plates on the same side, guide sleeves are arranged on the peripheries of the guide rods on the two sides, a transverse plate is arranged between the guide sleeves on the two sides, a spring A is arranged between each guide sleeve and the fixed plate close to one side of the checking fluted disc, the spring A is arranged on the periphery of the guide rod, a support plate is arranged on one side, away from the checking fluted disc, of the cantilever plate, a threaded cylinder is arranged on each support plate, an adjusting screw rod is arranged in each threaded cylinder, a rotating button is arranged at one end of each adjusting screw rod, and the other end of each adjusting screw rod penetrates through the threaded cylinder and abuts against the side face of the transverse plate;
the diaphragm is provided with an installation vertical plate, and the installation vertical plate is provided with a rotating speed sensor.
2. The auxiliary calibration device for the rotating speed sensor as claimed in claim 1, wherein a U-shaped mounting groove is formed on the top surface of the mounting vertical plate, rectangular through notches are symmetrically formed in the side walls of two sides of the U-shaped mounting groove, vertical rods are arranged in the rectangular notches of the two sides, lifting sleeves are arranged on the peripheries of the vertical rods of the two sides, a pressure rod is arranged between the lifting sleeves on the two sides, a spring B is arranged between the lifting sleeve and the top of the U-shaped mounting groove, and the spring B is arranged on the periphery of the vertical rod;
and the rotating speed sensor is arranged between the pressure lever and the bottom surface of the U-shaped mounting groove.
3. The auxiliary calibration device for the rotating speed sensor as claimed in claim 2, wherein an adjusting bull's eye wheel is arranged at the end part of the adjusting screw rod, and the adjusting bull's eye wheel abuts against the lateral surface of the transverse plate.
4. The device of claim 3, wherein a pair of arc-shaped supporting plates are symmetrically arranged on the mounting vertical plate on two sides of the bottom surface of the U-shaped mounting groove.
5. The device as claimed in any one of claims 2 to 4, wherein the bottom surface of the U-shaped mounting groove and the outer surface of the pressure rod are provided with elastic rubber pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122269825.1U CN216013426U (en) | 2021-09-18 | 2021-09-18 | Auxiliary calibration device for rotating speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122269825.1U CN216013426U (en) | 2021-09-18 | 2021-09-18 | Auxiliary calibration device for rotating speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216013426U true CN216013426U (en) | 2022-03-11 |
Family
ID=80530148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122269825.1U Active CN216013426U (en) | 2021-09-18 | 2021-09-18 | Auxiliary calibration device for rotating speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216013426U (en) |
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2021
- 2021-09-18 CN CN202122269825.1U patent/CN216013426U/en active Active
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