CN218298510U

CN218298510U - Multifunctional electric energy meter on-site calibration instrument

Info

Publication number: CN218298510U
Application number: CN202121773886.5U
Authority: CN
Inventors: 何军虎; 李科; 胡辉; 刘意香
Original assignee: Hubei Instrument Tiancheng Power Equipment Co ltd
Current assignee: Hubei Instrument Tiancheng Power Equipment Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2023-01-13
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to a test instrument technical field discloses on-spot check gauge of multi-functional electric energy meter, including the check gauge body, the rigid coupling has two first telescopic links on the back lateral wall of check gauge body, the spacing groove has all been seted up on two lateral walls of first telescopic link, the rigid coupling has metal shrapnel on the lower inside wall of first telescopic link, metal shrapnel's upper end rigid coupling has the stopper, the inside of first telescopic link is provided with two stop device, the inside of first telescopic link all is provided with the second telescopic link, the last surface mounting of second telescopic link has the handle, metal shrapnel and stopper can make the check gauge in the removal more stable, through first rack, first gear, first movable rod, the connecting axle, the second movable rod, mutually support between second gear and the second rack, can easily be with the gyro wheel from the mounting groove downstream, and the gyro wheel is inconsistent with ground, thereby can remove the check gauge fast.

Description

Multifunctional electric energy meter on-site calibration instrument

Technical Field

The utility model relates to a testing instrument technical field specifically is multi-functional electric energy meter on-the-spot check gauge.

Background

The multifunctional electric energy meter on-site calibration instrument is a portable device specially designed and developed for on-site calibration sheet, three-phase active and reactive induction type and electronic electric energy meters and other various electric instruments, and is widely applied to industries such as electric power, metallurgy, chemical industry, tobacco, textile, railway, ship, property and the like. The method provides a convenient solution for the electric power metering department to carry out the error check of the electric meter on site under the conditions of not disassembling the electric meter and not cutting off the power supply and the electric power inspection department to check the illegal activities of electricity stealing.

The existing electric energy meter field calibrator is found in use, the electric energy meter field calibrator has heavier quality and is inconvenient to move, the electric energy meter field calibrator is easy to collide during the moving process, the normal use of the electric energy meter field calibrator is influenced, and the application number is CN202022370929.7, namely the multifunctional electric energy meter field calibrator disclosed by the application number is 2020.10.22, and the following technical characteristics are disclosed: the multifunctional electric energy meter on-site calibration instrument comprises a lower box, a hinge, an upper cover, an electric energy meter on-site calibration instrument body, spring seats, springs, a mounting plate, first terminals, second terminals, a display screen, an operation keyboard, a first rotating shaft, trundles, a fixed seat, a second rotating shaft and a handle, a cavity is arranged inside the lower box, the upper cover is rotatably connected with the lower box through the upper cover, the electric energy meter on-site calibration instrument body is arranged inside a cavity of the lower box, a plurality of groups of spring seats are arranged on the lower box and connected with the outer wall of the electric energy meter on-site calibration instrument body, a plurality of groups of springs are respectively arranged on the spring seats, the bottom end of the mounting plate is connected with the top end of the electric energy meter on-site calibration instrument body, the first terminals, the second terminals, the display screen and the operation keyboard are both arranged on the mounting plate, the first rotating shaft is arranged on the lower box, the trundles are arranged on the first rotating shaft and relatively rotate, the fixed seat is arranged on the lower box, the second rotating shaft is arranged on the fixed seat, the handle is arranged on the second rotating shaft and is arranged on the electric energy meter on-site calibration instrument.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional electric energy meter on-spot check gauge, mutually support through metal shrapnel and stopper, can prevent that the second telescopic link from breaking away from in the first telescopic link, the security of instrument has been increased, and metal shrapnel and stopper can make the check gauge in the removal more stable, through reset spring among the stop device, the limiting plate, mutually support between spacing lug and the spacing groove, can make the fastening more of being connected between second telescopic link and the first telescopic link, thereby increase security and the convenience that the check gauge removed, through first rack, first gear, first movable rod, the connecting axle, the second movable rod, mutually support between second gear and the second rack, can easily follow the gyro wheel downstream in the mounting groove, and the gyro wheel offsets with ground, thereby can remove the check gauge fast, high durability and convenient operation, and mutually support between spacing lug and the spacing groove, can make the contact between gyro wheel and the ground more stable, further make the removal of check gauge more stable.

The purpose of the utility model can be realized by the following technical scheme:

the multifunctional electric energy meter on-site calibration instrument comprises a calibration instrument body, wherein two first telescopic rods are fixedly connected to the rear outer side wall of the calibration instrument body, limiting grooves are formed in the two outer side walls of the first telescopic rods, a metal elastic sheet is fixedly connected to the lower inner side wall of the first telescopic rod, a limiting block is fixedly connected to the upper end of the metal elastic sheet, two limiting devices are arranged inside the first telescopic rods, second telescopic rods are arranged inside the first telescopic rods, and handles are arranged on the upper surfaces of the second telescopic rods;

the limiting device comprises a return spring, a limiting plate and a limiting lug, wherein the limiting plate is fixedly connected to one end of the return spring, and the limiting lug is fixedly connected to one end of the limiting plate.

As a further aspect of the present invention: the mounting groove has been seted up to the inside of check gauge body, the upper surface rigid coupling of mounting groove has two first mounting panels, the lower surface of first mounting panel all is provided with two first racks, first dog is all installed to the both sides of first rack, the below of first dog all is provided with first gear, the surface of first gear all is provided with first movable rod, the inside of first movable rod all is provided with the connecting axle, the rear surface of first movable rod all is provided with the second movable rod, the one end of second movable rod all is provided with the second gear, the below of second gear all is provided with the second mounting panel, the upper surface of second mounting panel all is provided with two second racks, the second dog is all installed to the both sides of second rack, the inside of one of them second dog is provided with stop device, can remove the check gauge at any time, and convenient for operation.

As the utility model discloses further scheme again: the upper surface rigid coupling of stopper is at the lower surface of second telescopic link, and stopper connection metal shrapnel and second telescopic link, can prevent to be caused because the pulling force is too big the phenomenon that the second telescopic link is flown by the bullet, has increased the security of check gauge.

As a further aspect of the present invention: the one end of handle is inconsistent with the top of a second telescopic link, and the other end of handle is inconsistent with the top of another second telescopic link, can conveniently remove simple to use to the check gauge.

As a further aspect of the present invention: two limiting grooves are formed in the bottom of the two outer side walls of the calibrator body, so that the limiting convex blocks in the limiting device can be clamped more tightly.

As a further aspect of the present invention: the limiting groove is matched with the limiting lug, and the height of the limiting plate is larger than that of the limiting lug, so that the limiting lug can be prevented from being popped.

As a further aspect of the present invention: first rack and first gear intermeshing, and second gear intermeshing can make the use of gyro wheel more convenient.

As a further aspect of the present invention: the connecting shaft is connected with the first movable rod and the second movable rod, so that the running between the gear and the rack can be smoother.

As the utility model discloses further scheme again: the lower surface mounting of second mounting panel has two gyro wheels, and two gyro wheels symmetric distribution are in the both sides of second mounting panel, can make the check-up more stable in the removal.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through mutually supporting of metal shrapnel and stopper, can prevent that the second telescopic link from breaking away from in the first telescopic link, the security of instrument has been increased, and metal shrapnel and stopper can make the check gauge in the removal stable more, through reset spring among the stop device, the limiting plate, mutually supporting between spacing lug and the spacing groove, can make the fastening more of being connected between second telescopic link and the first telescopic link, thereby increase security and the convenience that the check gauge removed.

2. Through first rack, first gear, first movable rod, the connecting axle, the second movable rod, mutually support between second gear and the second rack, can easily follow the gyro wheel downstream in the mounting groove, and the gyro wheel is inconsistent with ground, thereby can remove the check gauge fast, high durability and convenient operation, and mutually support between spacing lug and the spacing groove, can make contact between gyro wheel and the ground more stable, further make the removal of check gauge more stable.

Drawings

FIG. 1 is a schematic structural diagram of a multifunctional electric energy meter on-site calibrator;

FIG. 2 is a cross-sectional view of a telescopic rod in the multifunctional electric energy meter on-site calibration instrument;

FIG. 3 is a sectional view of a mounting groove in the multifunctional electric energy meter on-site calibrator;

fig. 4 is an enlarged view of the area a in fig. 2.

In the figure: 1. a check gauge body; 11. mounting grooves; 2. a first telescopic rod; 21. a limiting groove; 22. a metal spring sheet; 23. a limiting block; 3. a second telescopic rod; 4. a handle; 5. a limiting device; 51. a return spring; 52. a limiting plate; 53. a limiting bump; 6. a first mounting plate; 61. a first rack; 62. a first stopper; 63. a first gear; 64. a first movable bar; 65. a connecting shaft; 66. a second movable bar; 67. a second gear; 7. a second mounting plate; 71. a second rack; 72. a second stopper; 8. and a roller.

Detailed Description

Example 1

The multifunctional electric energy meter on-site calibration instrument comprises a calibration instrument body 1, as shown in fig. 1, 2 and 4, two first telescopic rods 2 are fixedly connected to the rear outer side wall of the calibration instrument body 1, limiting grooves 21 are formed in the two outer side walls of the first telescopic rods 2, a metal elastic sheet 22 is fixedly connected to the lower inner side wall of each first telescopic rod 2, a limiting block 23 is fixedly connected to the upper end of each metal elastic sheet 22, two limiting devices 5 are arranged inside each first telescopic rod 2, a second telescopic rod 3 is arranged inside each first telescopic rod 2, and a handle 4 is arranged on the upper surface of each second telescopic rod 3;

the limiting device 5 comprises a return spring 51, a limiting plate 52 and a limiting lug 53, wherein the limiting plate 52 is fixedly connected to one end of the return spring 51, and the limiting lug 53 is fixedly connected to one end of the limiting plate 52.

As shown in fig. 3 and 4, the mounting groove 11 is formed in the calibrator body 1, two first mounting plates 6 are fixedly connected to the upper surface of the mounting groove 11, two first racks 61 are disposed on the lower surfaces of the first mounting plates 6, first stoppers 62 are disposed on both sides of the first racks 61, a first gear 63 is disposed below the first stoppers 62, a first movable rod 64 is disposed on the outer surface of the first gear 63, a connecting shaft 65 is disposed inside the first movable rod 64, a second movable rod 66 is disposed on the rear surface of the first movable rod 64, a second gear 67 is disposed at one end of the second movable rod 66, a second mounting plate 7 is disposed below the second gear 67, two second racks 71 are disposed on the upper surface of the second mounting plate 7, second stoppers 72 are disposed on both sides of the second racks 71, and a limiting device 5 is disposed inside one of the second stoppers 72.

As shown in fig. 2, the upper surface of the limiting block 23 is fixedly connected to the lower surface of the second telescopic rod 3, and the limiting block 23 is connected to the metal elastic sheet 22 and the second telescopic rod 3.

As shown in fig. 1, one end of the handle 4 abuts against the top of one of the second telescopic rods 3, and the other end of the handle 4 abuts against the top of the other of the second telescopic rods 3.

As shown in fig. 2 and fig. 3, two limiting grooves 21 are formed in the bottom of each of the two outer side walls of the calibrator body 1.

As shown in fig. 1, 2, 3 and 4, the limiting groove 21 and the limiting projection 53 are matched with each other, and the height of the limiting plate 52 is greater than that of the limiting projection 53.

As shown in fig. 3, the first rack 61 is engaged with the first gear 63, and the second gear 67 is engaged with the second rack 71.

As shown in fig. 3, the connecting shaft 65 connects the first movable bar 64 and the second movable bar 66.

As shown in fig. 1 and 3, two rollers 8 are mounted on the lower surface of the second mounting plate 7, and the two rollers 8 are symmetrically distributed on two sides of the second mounting plate 7.

The utility model discloses a theory of operation is: the user firstly passes through pulling roller 8, at first rack 61, first gear 63, first movable rod 64, connecting axle 65, second movable rod 66, under the mutually supporting of second gear 67 and second rack 71, can make second mounting panel 7 drive roller 8 downstream, make roller 8 and ground inconsistent can, spacing lug 53 that sets up in second stopper 72 is bounced into the inside of spacing groove 21 under reset spring 51's effect at this time, just so can firmly fix roller 8, if pack up roller 8, only need press spacing lug 53, press roller 8 in mounting groove 11 can, pull suitable position from the inside of first telescopic link 2 through handle 4 with second telescopic link 3, spacing lug 53 blocks to spacing groove 21 in, then just can remove the check gauge through handle 4 and roller 8, and is simple to use, and convenient for operation.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The multifunctional electric energy meter on-site calibration instrument comprises a calibration instrument body (1) and is characterized in that two first telescopic rods (2) are fixedly connected to the rear outer side wall of the calibration instrument body (1), limiting grooves (21) are formed in the two outer side walls of the first telescopic rods (2), a metal elastic sheet (22) is fixedly connected to the lower inner side wall of each first telescopic rod (2), a limiting block (23) is fixedly connected to the upper end of each metal elastic sheet (22), two limiting devices (5) are arranged inside each first telescopic rod (2), a second telescopic rod (3) is arranged inside each first telescopic rod (2), and a handle (4) is mounted on the upper surface of each second telescopic rod (3);

stop device (5) include reset spring (51), limiting plate (52) and spacing lug (53), and the one end rigid coupling of reset spring (51) has limiting plate (52), and the one end rigid coupling of limiting plate (52) has spacing lug (53).

2. The multifunctional electric energy meter on-site calibration instrument is characterized in that a mounting groove (11) is formed in the calibration instrument body (1), two first mounting plates (6) are fixedly connected to the upper surface of the mounting groove (11), two first racks (61) are arranged on the lower surface of each first mounting plate (6), first stop blocks (62) are arranged on two sides of each first rack (61), a first gear (63) is arranged below each first stop block (62), a first movable rod (64) is arranged on the outer surface of each first gear (63), a connecting shaft (65) is arranged inside each first movable rod (64), a second movable rod (66) is arranged on the rear surface of each first movable rod (64), a second gear (67) is arranged at one end of each second movable rod (66), a second mounting plate (7) is arranged below each second gear (67), two second stop blocks (71) are arranged on the upper surface of each second mounting plate (7), a second stop block (72) is arranged on two sides of each second rack (71), and a limiting device (5) is arranged inside each second stop block (72).

3. The multifunctional electric energy meter on-site calibration instrument as claimed in claim 1, characterized in that the upper surface of the limiting block (23) is fixedly connected to the lower surface of the second telescopic rod (3), and the limiting block (23) is connected with the metal elastic sheet (22) and the second telescopic rod (3).

4. The multifunctional electric energy meter on-site calibration instrument as claimed in claim 1, characterized in that one end of the handle (4) abuts against the top of one second telescopic rod (3), and the other end of the handle (4) abuts against the top of the other second telescopic rod (3).

5. The multifunctional electric energy meter on-site calibration instrument as claimed in claim 1, characterized in that two limiting grooves (21) are formed in the bottom of each of the two outer side walls of the calibration instrument body (1).

6. The multifunctional electric energy meter on-site calibrator according to claim 1, wherein the limiting groove (21) and the limiting protrusion (53) are matched with each other, and the height of the limiting plate (52) is greater than that of the limiting protrusion (53).

7. The multi-functional electric energy meter according to claim 2, characterized in that the first rack (61) is intermeshed with the first gear (63) and the second gear (67) is intermeshed with the second rack (71).

8. The multifunctional electric energy meter field checker according to claim 2, wherein the connection shaft (65) connects the first movable bar (64) and the second movable bar (66).

9. The multifunctional electric energy meter field calibrator according to claim 2, wherein two rollers (8) are mounted on the lower surface of the second mounting plate (7), and the two rollers (8) are symmetrically distributed on two sides of the second mounting plate (7).