CN221101021U - On-site calibrator for current transformer - Google Patents
On-site calibrator for current transformer Download PDFInfo
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- CN221101021U CN221101021U CN202322628272.3U CN202322628272U CN221101021U CN 221101021 U CN221101021 U CN 221101021U CN 202322628272 U CN202322628272 U CN 202322628272U CN 221101021 U CN221101021 U CN 221101021U
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- box
- current transformer
- fixedly connected
- outside
- lifter
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- 238000007789 sealing Methods 0.000 claims abstract description 13
- 244000309464 bull Species 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electrical equipment detection equipment and discloses a field calibrator for a current transformer, which comprises a box body, wherein a rotating rod is rotatably connected to the inside of the box body, a half gear is fixedly connected to the outside of the rotating rod, a first supporting rod is fixedly connected to the outside of the half gear, a sealing plate is rotatably connected to one end of the first supporting rod, which is far away from the half gear, a second supporting rod is rotatably connected to the inner side wall of the box body, one end of the second supporting rod, which is far away from the box body, is rotatably connected with the sealing plate, a first lifting rod is fixedly connected to the outside of the rotating rod, a second lifting rod is rotatably connected to one end of the first lifting rod, which is far away from the first lifting rod, and a placing box is rotatably arranged at one end of the second lifting rod. This current transformer's on-spot check gauge is convenient for carry the box through pull rod and universal wheel cooperation, keeps away from each other through making two sealing plates, simultaneously, current transformer check gauge body rises to the outside of box.
Description
Technical Field
The utility model relates to the technical field of electrical appliance detection equipment, in particular to a field calibrator for a current transformer.
Background
In daily metering inspection, the transformation ratio of a current transformer is an indispensable work, and the current method for measuring the transformation ratio of two current transformers usually uses a current transformer calibrator for measurement, and has the functions of measuring the error of the current transformer by a recursive method and measuring the error of the voltage transformer by a potential difference method, thereby being convenient for on-site calibration work of a metering device.
In the prior art, the current transformer on-site calibrator is usually carried by a constructor, and is inconvenient to carry because the current transformer on-site calibrator is heavy, and the current transformer on-site calibrator needs to be taken out of the box body, so that the physical consumption of the constructor is large, and therefore, the on-site calibrator of the current transformer is needed to solve the problems.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the on-site calibrator for the current transformer, which has the advantages of convenient use and the like, and solves the problems that the on-site calibrator for the current transformer is heavier and inconvenient to carry, and the on-site calibrator for the current transformer needs to be taken out from a box body, so that the physical consumption of constructors is large.
(II) technical scheme
The technical scheme for solving the technical problems is as follows: the utility model provides a current transformer's on-the-spot check gauge, includes the box, the inside rotation of box is connected with the bull stick, the outside fixedly connected with half gear of bull stick, the outside fixedly connected with first bracing piece of half gear, the one end rotation that half gear was kept away from to first bracing piece is connected with the sealing plate, rotate on the inside wall of box and be connected with the second bracing piece, the one end that the box was kept away from to the second bracing piece is rotated with sealing plate and is connected, the outside fixedly connected with first lifter of bull stick, the one end that the bull stick was kept away from to first lifter rotates and is connected with the second lifter, the one end that the first lifter was kept away from to the second lifter rotates has the placing box, the inside fixedly connected with current transformer check gauge body of placing box, the inside of box is provided with the drive assembly who makes the bull stick rotatory.
The beneficial effects of the utility model are as follows:
This current transformer's on-spot check gauge is convenient for carry the box through pull rod and universal wheel cooperation, keeps away from each other through making two sealing plates, simultaneously, current transformer check gauge body rises to the outside of box, need not the manual work and carries the check gauge out, possesses the convenient advantage of using.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the drive assembly comprises a drive motor fixedly mounted on the inner side wall of the box body, a worm is fixedly connected to an output shaft of the drive motor, and a worm wheel connected with worm transmission is fixedly connected to the outer portion of the rotating rod.
The adoption of the further scheme has the beneficial effects that the worm is driven to rotate through the worm wheel by starting the driving motor, so that the sealing plate is unfolded.
Further, the outside fixedly connected with slider of placing the case, the spout has been seted up to the inside of box, slider sliding connection is in the inside of spout.
The beneficial effect of adopting above-mentioned further scheme is, places the case and carries out spacingly through the slider, avoids placing the case and goes up and down to shift when removing, improves the stability of structure.
Further, the inside rotation of box is connected with two-way screw thread pivot, the outside of two-way screw thread pivot is provided with the adjusting collar of being connected through the screw thread transmission, the bottom rotation of adjusting collar is connected with the dead lever, the dead lever is kept away from the one end rotation of adjusting collar and is connected with the fixed plate, the one end fixedly connected with rotatory hand wheel that two-way screw thread pivot is located the box outside.
The adoption of the further scheme has the beneficial effects that the bidirectional threaded rotating shaft is convenient to drive to rotate through rotating the hand wheel, so that the fixing plate is contacted with the ground, the box body is fixed, and the sliding of the box body is avoided.
Further, the bottom of box rotates and is connected with the universal wheel, rotate on the lateral wall of box and be connected with the pull rod.
The beneficial effect of adopting above-mentioned further scheme is, is convenient for pull the box through the pull rod and removes, improves the convenience of carrying.
Further, the number of the blocking plates is two, the number of the half gears is four, and two half gears are meshed with each other.
The adoption of the further scheme has the beneficial effect that one half gear can be rotated to drive the other half gear to rotate, so that the two sealing plates can be unfolded.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the structure of the rotary lever of the present utility model;
FIG. 3 is a schematic structural view of a fixing plate according to the present utility model;
Fig. 4 is an enlarged view of the present utility model at a.
In the figure: 1. a case; 2. a rotating rod; 3. a half gear; 4. a first support bar; 5. a sealing plate; 6. a second support bar; 7. a first lifting rod; 8. a second lifting rod; 9. placing a box; 10. a current transformer calibrator body; 11. a worm wheel; 12. a driving motor; 13. a worm; 14. a slide block; 15. a bidirectional threaded rotating shaft; 16. an adjusting sleeve; 17. a fixed rod; 18. a fixing plate; 19. a universal wheel; 20. rotating a hand wheel; 21. and (5) a pull rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In this embodiment, as shown in fig. 1-4, the on-site calibration instrument of the current transformer comprises a box body 1, wherein a universal wheel 19 is rotatably connected to the bottom of the box body 1, a pull rod 21 is rotatably connected to the side wall of the box body 1, and the box body 1 is conveniently pulled to move through the pull rod 21, so that the carrying convenience is improved.
The inside rotation of box 1 is connected with bull stick 2, and the inside of box 1 is provided with the drive assembly who makes bull stick 2 rotatory, and drive assembly includes driving motor 12 of fixed mounting on the box 1 inside wall, fixedly connected with worm 13 on driving motor 12's the output shaft, and the outside fixedly connected with of bull stick 2 is connected with worm wheel 11 of worm 13 transmission, drives worm 13 through starting driving motor 12 and rotates, and worm 13 is connected with worm wheel 11 transmission, and then drives bull stick 2 and rotate.
The outside fixedly connected with half gear 3 of bull stick 2, the outside fixedly connected with first bracing piece 4 of half gear 3, the one end rotation that half gear 3 was kept away from to first bracing piece 4 is connected with seals baffle 5, rotates on the inside wall of box 1 and is connected with second bracing piece 6, and the one end that box 1 was kept away from to second bracing piece 6 rotates with seals baffle 5 to be connected, and bull stick 2 drives first bracing piece 4 through half gear 3 and rotates to make seals baffle 5 remove to the top of box 1.
The number of the sealing plates 5 is two, the number of the half gears 3 is four, two half gears 3 are meshed with each other, and one half gear 3 can be rotated to drive the other half gear 3 to rotate by rotating the other half gear 3, so that the two sealing plates 5 can be unfolded.
The outside fixedly connected with first lifter 7 of bull stick 2, the one end that bull stick 2 was kept away from to first lifter 7 rotates and is connected with second lifter 8, the one end that first lifter 7 was kept away from to second lifter 8 rotates has to place case 9, place the inside fixedly connected with current transformer check gauge body 10 of case 9, the outside fixedly connected with slider 14 of placing case 9, the spout has been seted up to the inside of box 1, slider 14 sliding connection is in the inside of spout, place case 9 and carry out spacingly through slider 14, and then when bull stick 2 drove first lifter 7 and rotate, make first lifter 7 pull placing case 9 through second lifter 8, thereby make current transformer check gauge body 10 retract to the inside of box 1.
The inside rotation of box 1 is connected with two-way screw thread pivot 15, the outside of two-way screw thread pivot 15 is provided with the adjustment sleeve 16 of being connected through screw thread transmission, the bottom rotation of adjustment sleeve 16 is connected with dead lever 17, the one end that adjustment sleeve 16 was kept away from to dead lever 17 rotates and is connected with fixed plate 18, the one end fixedly connected with rotatory hand wheel 20 that two-way screw thread pivot 15 is located the outside of box 1, the quantity of adjustment sleeve 16 is two, two adjustment sleeves 16 are located the both ends of two-way screw thread pivot 15, be convenient for drive two-way screw thread pivot 15 through rotatory hand wheel 20 and rotate, make two adjustment sleeves 16 be close to each other, promote fixed plate 18 through dead lever 17, thereby make fixed plate 18 and ground contact fix box 1, avoid its slip.
Working principle:
The box 1 is pulled to the scene through the pull rod 21, the bidirectional threaded rotating shaft 15 is driven to rotate through the rotating hand wheel 20, the two adjusting sleeves 16 are close to each other, the fixing plate 18 is pushed through the fixing rod 17, the fixing plate 18 is contacted with the ground to fix the box 1, then, the driving motor 12 is started to enable the worm 13 to drive the rotating rod 2 to rotate through the worm wheel 11, one half gear 3 drives the other half gear 3 to rotate in opposite directions, so that the two first supporting rods 4 are respectively driven to rotate in opposite directions, the two sealing plates 5 are far away from each other, meanwhile, when the rotating rod 2 drives the first lifting rod 7 to rotate, the first lifting rod 7 pushes the placing box 9 through the second lifting rod 8, so that the current transformer calibrator body 10 is lifted to the outside of the box 1, and an operator can conveniently calibrate the current transformer through the calibrator.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a current transformer's on-spot check gauge, includes box (1), its characterized in that: the inside rotation of box (1) is connected with bull stick (2), the outside fixedly connected with half gear (3) of bull stick (2), the outside fixedly connected with first bracing piece (4) of half gear (3), the one end rotation that half gear (3) was kept away from to first bracing piece (4) is connected with seals baffle (5), rotate on the inside wall of box (1) and be connected with second bracing piece (6), the one end that box (1) was kept away from to second bracing piece (6) is connected with seal baffle (5) rotation, the outside fixedly connected with first lifter (7) of bull stick (2), the one end rotation that bull stick (2) was kept away from to first lifter (7) is connected with second lifter (8), the one end rotation that first lifter (7) was kept away from to second lifter (8) has place case (9), the inside fixedly connected with current transformer check gauge body (10) of placing case (9), the inside of box (1) is provided with makes the rotatory drive assembly of bull stick (2).
2. The field calibrator of the current transformer of claim 1, wherein: the driving assembly comprises a driving motor (12) fixedly arranged on the inner side wall of the box body (1), a worm (13) is fixedly connected to an output shaft of the driving motor (12), and a worm wheel (11) in transmission connection with the worm (13) is fixedly connected to the outer part of the rotating rod (2).
3. The field calibrator of the current transformer of claim 1, wherein: the outside fixedly connected with slider (14) of placing case (9), the spout has been seted up to the inside of box (1), slider (14) sliding connection is in the inside of spout.
4. The field calibrator of the current transformer of claim 1, wherein: the inside rotation of box (1) is connected with two-way screw thread pivot (15), the outside of two-way screw thread pivot (15) is provided with adjusting sleeve (16) through screw drive connection, the bottom rotation of adjusting sleeve (16) is connected with dead lever (17), the one end rotation that adjusting sleeve (16) was kept away from to dead lever (17) is connected with fixed plate (18), one end fixedly connected with rotatory hand wheel (20) that two-way screw thread pivot (15) are located the box (1) outside.
5. The field calibrator of the current transformer of claim 1, wherein: the bottom of the box body (1) is rotationally connected with a universal wheel (19), and the side wall of the box body (1) is rotationally connected with a pull rod (21).
6. The field calibrator of the current transformer of claim 1, wherein: the number of the sealing plates (5) is two, the number of the half gears (3) is four, and the two half gears (3) are meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628272.3U CN221101021U (en) | 2023-09-27 | 2023-09-27 | On-site calibrator for current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628272.3U CN221101021U (en) | 2023-09-27 | 2023-09-27 | On-site calibrator for current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221101021U true CN221101021U (en) | 2024-06-07 |
Family
ID=91305008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322628272.3U Active CN221101021U (en) | 2023-09-27 | 2023-09-27 | On-site calibrator for current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221101021U (en) |
-
2023
- 2023-09-27 CN CN202322628272.3U patent/CN221101021U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |