CN213069156U - Three-phase electric energy meter calibrating device with steady upset function - Google Patents
Three-phase electric energy meter calibrating device with steady upset function Download PDFInfo
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- CN213069156U CN213069156U CN202021212834.6U CN202021212834U CN213069156U CN 213069156 U CN213069156 U CN 213069156U CN 202021212834 U CN202021212834 U CN 202021212834U CN 213069156 U CN213069156 U CN 213069156U
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Abstract
The utility model discloses a three-phase electric energy meter calibrating installation with steady upset function belongs to the power equipment field. The electric energy meter comprises a plurality of electric energy meter chambers, wherein an electric energy meter hanging rack and a turnover assembly are arranged in each electric energy meter chamber, and the turnover assembly is connected with the electric energy meter hanging rack and used for driving the electric energy meter hanging rack to turn over; the overturning assembly comprises a linear motor and a connecting piece, an output shaft of the linear motor is connected and fixed with the connecting piece, the linear motor drives the connecting piece to move transversely and linearly through the output shaft, a sliding groove which is vertically arranged is formed in the connecting piece, a pulley connecting piece and a pulley are arranged on the side face of the electric energy meter hanging frame, and the pulley is arranged in the sliding groove and can slide up and down along the sliding groove. This application can realize through the upset subassembly that the electric energy meter hangs the table frame and by tilt state upset to the vertical state to and by the function of vertical state upset to the tilt state, solved the problem of the metering error that current three-phase electric energy meter calibrating installation appears because of the slope of table frame is hung to the electric energy meter effectively.
Description
Technical Field
The application relates to the field of power equipment, in particular to a three-phase electric energy meter calibrating device with a stable overturning function.
Background
The calibrating device for three-phase electric energy meter is a new type fully automatic calibrating device designed according to the relevant national standard regulations and requirements, and is composed of a program-controlled power supply with an internal mutual inductor and a standard electric energy meter, and has the characteristics of high precision, good stability, strong function, convenient use and the like, and can be used for the production plant, the power supply department and the metering department to carry out calibration and calibration on electronic or induction type three-phase three-wire, three-phase four-wire, single-phase active and reactive electric energy meters. When the time check meter is equipped, the timing error, the demand indicating error and the like of the multifunctional electric energy meter can be checked.
When installing the electric energy meter, for simple to operate, current three-phase electric energy meter calibrating installation is usually with electric energy meter hanging table frame adoption 45 slope settings, utilizes the manipulator to place the electric energy meter on electric energy meter hanging table frame, and the electric energy meter glides under the effect of gravity, then tightly installs fixedly with electric energy meter. However, the inclined electric energy meter has a large metering error in use, and the main reasons include: (1) when the electric energy meter inclines, the relative positions of the disc to the voltage and current electromagnetic elements and the permanent magnet steel are changed, the action of the voltage and current working magnetic flux on the disc is also changed, and corresponding interference magnetic flux and magnetic leakage interference are generated, so that the driving torque and the braking torque are also changed, and the rotating speed of the disc is changed to generate errors. (2) When the electric energy meter inclines, the disc and the upper and lower bearings and the shaft sleeve of the disc generate lateral pressure on one side, so that the friction torque is increased, the friction torque is also increased in the aspects of meshing of the disc worm and transmission of the register, and negative additional errors occur in the electric energy meter. (3) as the inclined use time of the electric energy meter is prolonged, the abrasion of the corresponding rotating element is increased, so that the friction torque is increased, and particularly, under the condition of light load, the electric energy meter can generate larger negative error. Therefore, it is necessary to design a three-phase electric energy meter calibrating device with a smooth overturning function to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The application provides a three-phase electric energy meter calibrating installation with steady upset function to solve the problem that provides in the background art.
A three-phase electric energy meter calibrating device with a stable overturning function comprises a plurality of electric energy meter chambers, wherein an electric energy meter hanging rack and an overturning assembly are arranged in each electric energy meter chamber, the electric energy meter hanging rack is used for placing an electric energy meter, and the overturning assembly is connected with the electric energy meter hanging rack and used for driving the electric energy meter hanging rack to overturn;
the utility model discloses a power meter, including the electric energy meter, upset subassembly, linear electric motor, connecting piece, pulley connecting piece and pulley, the upset subassembly includes linear electric motor and connecting piece, linear electric motor fixes at the indoor portion of electric energy meter, the connecting piece is vertical stock form, and linear electric motor's output shaft and connecting piece are connected fixedly, linear electric motor carries out horizontal linear motion through output shaft drive connecting piece, set up the spout of vertical setting on the connecting piece, the electric energy meter is hung table and is put up the side and be equipped with pulley connecting piece and pulley, the one end of pulley connecting piece and electric energy meter are hung the table and put.
Preferably, the top and the bottom of the outer side of the connecting piece are both provided with a sliding block, the electric energy meter chamber is provided with a sliding rail corresponding to the sliding block, and the sliding block is inserted into the sliding rail and can transversely slide along the sliding rail.
Preferably, the bottoms of the two sides of the electric energy meter hanging frame are provided with rotating shafts, the vertical upright posts are provided with rotating holes corresponding to the rotating shafts in position, the rotating shafts are inserted into the rotating holes and can rotate in the rotating holes, and the bottom of the electric energy meter hanging frame is connected with the vertical upright posts in a rotating mode.
Preferably, the inner wall of the sliding groove is provided with a damping layer, and the damping layer comprises a foam plastic layer and a rubber layer.
Preferably, limit switches are arranged at the top end and the bottom end of the inner wall of the sliding chute, the limit switches are in signal connection with the linear motor, when the electric energy meter hanging frame is in an inclined state, the sliding wheel slides to the bottommost end of the sliding chute and triggers the limit switches, and the limit switches control the linear motor to stop; when the electric energy meter hanging frame is in a vertical state, the sliding wheel slides to the topmost end of the sliding groove and triggers the limit switch, and the limit switch controls the linear motor to stop.
According to the technical scheme, the three-phase electric energy meter calibrating device with the stable overturning function has the following beneficial effects:
1. this application can realize through the upset subassembly that the electric energy meter hangs the table frame and by tilt state upset to the vertical state to and by the function of vertical state upset to the tilt state, solved the problem of the metering error that current three-phase electric energy meter calibrating installation appears because of the slope of table frame is hung to the electric energy meter effectively.
2. This application has all set up the upset subassembly in electric energy meter string table frame both sides, promotes through the both ends to electric energy meter string table frame simultaneously in the upset process for electric energy meter string table frame is more steady in the upset process, can not appear rocking or the phenomenon of upset skew, has greatly improved the stability of equipment.
3. This application adopts the mode of spout promotion pulley to realize the upset of electric energy meter hanging table frame, and the pulley slides in confined spout, can not take place the phenomenon of derailing, and the upset process is reliable and stable.
4. This application has set up the damping layer at the inner wall of spout, slows down the sliding speed of pulley through the damping layer to make the upset motion of electric energy meter hanging table frame gentler, improve equipment's stability, foam plastic layer has the effect of sound absorption simultaneously, can eliminate the abnormal sound that the pulley produced because of rolling friction effectively.
Drawings
FIG. 1 is a front view of a three-phase electric energy meter calibrating device with a smooth overturning function provided by the present application;
fig. 2 is a schematic structural diagram of a turnover assembly in the three-phase electric energy meter calibration device with a stable turnover function provided by the present application;
fig. 3 is a schematic structural diagram of a connecting member in the three-phase electric energy meter calibration device with a smooth overturning function provided by the present application.
Wherein: 10-calibrating device support, 101-transverse upright columns 101 and 102-vertical upright columns, 103-electric energy meter chamber, 20-electric energy meter hanging rack, 201-electric energy meter, 30-linear motor, 301-connecting piece, 302-mounting plate, 303-output shaft, 304-sliding groove, 305-pulley connecting piece, 306-pulley, 307-limit switch, 308-sliding block and 309-sliding rail.
Detailed Description
In the following, the technical solutions in the embodiments will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the three-phase electric energy meter calibrating device with the stable overturning function provided by the application comprises a calibrating device support 10, the calibrating device support 10 is composed of a plurality of transverse upright columns 101 and a plurality of vertical upright columns 102, the plurality of transverse upright columns 101 divide the inside of the calibrating device support 10 into a plurality of electric energy meter chambers 103, electric energy meter hanging frame 20 and overturning assemblies are arranged inside the electric energy meter chambers 103, the electric energy meter hanging frame 20 is used for placing electric energy meters 201, and the number of the electric energy meters 201 can be determined according to actual needs. In fig. 1, for example, an electric energy meter 201 is placed in each electric energy meter room 103, and the turning assembly is connected to the electric energy meter hanging rack 20 and is used for driving the electric energy meter hanging rack 20 to turn.
Specifically, the bottoms of the two sides of the electric energy meter hanging frame 20 are provided with rotating shafts, the vertical upright posts 102 are provided with rotating holes corresponding to the positions of the rotating shafts, the rotating shafts are inserted into the rotating holes and can rotate in the rotating holes, and the bottom of the electric energy meter hanging frame 20 is rotatably connected with the vertical upright posts 102. Both sides of the electric energy meter hanging frame 20 are provided with turnover components.
Referring to fig. 2 and 3, the turnover assembly includes a linear motor 30 and a connecting member 301, the linear motor 30 is fixedly mounted on the horizontal upright post 101 through a mounting plate 302, the connecting member 301 is in a vertical long rod shape, an output shaft 303 of the linear motor 30 is fixedly connected with the connecting member 301, the linear motor 30 drives the connecting member 301 to perform horizontal linear motion through the output shaft 303, and a vertically arranged chute 304 is formed in the connecting member 301. The electric energy meter hangs table frame 20 both sides and all is equipped with pulley connecting piece 305 and pulley 306, and the one end and the electric energy meter of pulley connecting piece 305 hang table frame 20 can dismantle to be connected fixedly, and the other end is equipped with pulley 306, and pulley 306 sets up in spout 304 to can slide from top to bottom along spout 304. The top and the bottom of the outer side of the connecting piece 301 are both provided with a sliding block 308, the transverse upright post 101 is provided with a sliding rail 309 corresponding to the position of the sliding block 308, and the sliding block 308 is inserted into the sliding rail 309 and can transversely slide along the sliding rail 309. The structures of the overturning components on the two sides of the electric energy meter hanging frame 20 are the same.
Specifically, the inner wall of the sliding groove 304 is provided with a damping layer, and the damping layer comprises a foam plastic layer and a rubber layer. The sliding speed of the pulley 306 in the sliding groove 304 can be reduced by arranging the damping layer on the inner wall of the sliding groove 304, so that the overturning motion of the electric energy meter hanging frame 20 is more gentle, and the phenomenon that the pulley 306 slides too fast to shake is avoided.
Specifically, the top end and the bottom end of the inner wall of the sliding chute 304 are both provided with a limit switch 307, and the limit switch 307 is in signal connection with the linear motor 30. When the electric energy meter hanging frame 20 is in an inclined state, the pulley 306 slides to the lowest end of the sliding groove 304 and triggers the limit switch 307, and the limit switch 307 controls the linear motor 30 to stop; when the electric energy meter hanging frame 20 is in a vertical state, the pulley 306 slides to the topmost end of the sliding groove 304 and triggers the limit switch 307, and the limit switch 307 controls the linear motor 30 to stop.
The application provides a three-phase electric energy meter calibrating installation in electric energy meter hang table frame 20's upset process as follows with steady upset function: taking the example of turning the electric energy meter hanging rack 20 from the inclined state to the vertical state, the linear motors 30 on both sides of the electric energy meter hanging rack 20 are started, the output shaft 303 drives the connecting member 301 to slide transversely, and drives the sliding block 308 to slide transversely along the sliding rail 309, the connecting member 301 drives the pulley 306 to slide upwardly along the sliding groove 304, when the electric energy meter hanging rack 20 is turned to the vertical state, the pulley 306 triggers the limit switch 307 on the top end of the inner wall of the sliding groove 304, and the limit switch 307 controls the linear motor 30 to stop, so that the electric energy meter hanging rack 20 is turned from the inclined state to the vertical state.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (5)
1. A three-phase electric energy meter calibrating device with a stable overturning function comprises a plurality of electric energy meter chambers and is characterized in that an electric energy meter hanging rack and an overturning assembly are arranged inside each electric energy meter chamber, the electric energy meter hanging rack is used for placing an electric energy meter, and the overturning assembly is connected with the electric energy meter hanging rack and used for driving the electric energy meter hanging rack to overturn;
the utility model discloses a power meter, including the electric energy meter, upset subassembly, linear electric motor, connecting piece, pulley connecting piece and pulley, the upset subassembly includes linear electric motor and connecting piece, linear electric motor fixes at the indoor portion of electric energy meter, the connecting piece is vertical stock form, and linear electric motor's output shaft and connecting piece are connected fixedly, linear electric motor carries out horizontal linear motion through output shaft drive connecting piece, set up the spout of vertical setting on the connecting piece, the electric energy meter is hung table and is put up the side and be equipped with pulley connecting piece and pulley, the one end of pulley connecting piece and electric energy meter are hung the table and put.
2. The three-phase electric energy meter calibrating device with the stable overturning function as claimed in claim 1, wherein the top and the bottom of the outer side of the connecting piece are provided with sliding blocks, the electric energy meter chamber is provided with sliding rails corresponding to the sliding blocks, and the sliding blocks are inserted into the sliding rails and can transversely slide along the sliding rails.
3. The three-phase electric energy meter calibrating device with the stable overturning function according to claim 1, wherein rotating shafts are arranged at the bottoms of two sides of the electric energy meter hanging rack, rotating holes corresponding to the rotating shafts are formed in the vertical upright posts, the rotating shafts are inserted into the rotating holes and can rotate in the rotating holes, and the rotating connection between the bottom of the electric energy meter hanging rack and the vertical upright posts is realized.
4. The calibrating device for the three-phase electric energy meter with the stable overturning function according to claim 1, wherein a damping layer is arranged on the inner wall of the sliding chute, and the damping layer comprises a foam plastic layer and a rubber layer.
5. The three-phase electric energy meter calibrating device with the stable overturning function according to any one of claims 1-4, wherein limit switches are arranged at the top end and the bottom end of the inner wall of the sliding chute, the limit switches are in signal connection with a linear motor, when the electric energy meter hanging rack is in an inclined state, the sliding wheel slides to the bottom end of the sliding chute and triggers the limit switches, and the limit switches control the linear motor to stop; when the electric energy meter hanging frame is in a vertical state, the sliding wheel slides to the topmost end of the sliding groove and triggers the limit switch, and the limit switch controls the linear motor to stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212834.6U CN213069156U (en) | 2020-06-28 | 2020-06-28 | Three-phase electric energy meter calibrating device with steady upset function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212834.6U CN213069156U (en) | 2020-06-28 | 2020-06-28 | Three-phase electric energy meter calibrating device with steady upset function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213069156U true CN213069156U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021212834.6U Active CN213069156U (en) | 2020-06-28 | 2020-06-28 | Three-phase electric energy meter calibrating device with steady upset function |
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| Country | Link |
|---|---|
| CN (1) | CN213069156U (en) |
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2020
- 2020-06-28 CN CN202021212834.6U patent/CN213069156U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220812 Address after: 38 dangre West Road, Chengguan District, Lhasa City, Tibet Autonomous Region Patentee after: State Grid Tibet Electric Power Co.,Ltd. Marketing Service Center Address before: Lhasa Thermal Power Plant Community, Gongdelin Street, Chengguan District, Lhasa City, Tibet Autonomous Region 850000 Patentee before: ELECTRIC POWER SCIENCES RESEARCH INSTITUTE OF STATE GRID TIBET ELECTRIC POWER CO.,LTD. |
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| TR01 | Transfer of patent right |