CN211206766U

CN211206766U - On-site calibrator for capacitor voltage transformer

Info

Publication number: CN211206766U
Application number: CN201922052709.7U
Authority: CN
Inventors: 徐勇; 张洪波; 王树东; 尹龙
Original assignee: Yingda Electrical Equipment Co ltd
Current assignee: Yingda Electrical Equipment Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-07
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a capacitive voltage transformer field calibrator belongs to field calibrator technical field. The capacitive voltage transformer on-site calibrator comprises a working shell, wherein the working shell takes a working bottom box as a main body, a hinge is fixedly arranged on the right side surface of the working bottom box, a working top cover is fixedly arranged at the other end of the hinge, a drag hook is fixedly arranged on the left side surface of the working top cover, a pulley groove is formed in the lower surface of the working bottom box, and a universal wheel is movably arranged in the pulley groove; the utility model discloses an at the inside buffer layer that is provided with of box at the bottom of the work, at the inside shock-absorbing layer that is provided with of work top cap, thereby can avoid on-the-spot check gauge to take place the not hard up condition of inside spare part because of the external environment disturbance in very big degree, through setting up collapsible universal wheel and the pulley groove of accomodating, can receive the universal wheel when not using and bring the pulley inslot portion into, through setting up left work piece and right work piece to avoid external plug to drop from the inserting groove.

Description

On-site calibrator for capacitor voltage transformer

Technical Field

The utility model relates to an on-spot check gauge technical field especially relates to on-spot check gauge of capacitive voltage transformer.

Background

The field check meter can automatically complete measurement of each test voltage point and load point of the CVT according to the requirement of the national calibration regulation of the capacitor transformer, directly display the measured specific difference and angular difference, measure the capacitance voltage division ratio, the transformation ratio and the impedance, judge and determine whether the CVT nameplate is correct or not, and measure the load value of a secondary circuit of the CVT; but current on-the-spot check gauge often removes inconveniently, and inside the on-the-spot check gauge was directly put into work shell, did not possess any buffering shock-absorbing structure, thereby very easily lead to on-the-spot check gauge disturbance to lead to the inside spare part of on-the-spot check gauge not hard up or drop because of vibrations, influence work efficiency, the utility model discloses a capacitive voltage transformer on-the-spot check gauge is used for solving the problem that the on-the-spot check gauge can't resist the vibrations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current on-the-spot check gauge among the prior art, often remove inconveniently, and inside on-the-spot check gauge directly put into work shell, do not possess any buffering shock-absorbing structure, thereby very easily lead to on-the-spot check gauge disturbance to lead to the inside spare part of on-the-spot check gauge not hard up or drop because of vibrations, influence work efficiency's problem, and the on-the-spot check gauge of capacitive voltage transformer who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

capacitive voltage transformer on-spot check gauge, including the work shell, the work shell uses the work end box as the main part, the fixed surface of work end box right side installs the hinge, hinge other end fixed mounting has the work top cap, work top cap left side fixed surface installs the drag hook, work end box left side fixed surface installs the hasp, the pulley groove has been seted up to work end box lower surface, pulley groove inside movable mounting has the universal wheel, and the universal wheel installs four about work end box lower surface central point central symmetry distribution.

Preferably, the working bottom box is of a hollow cubic structure with a groove at the upper end, a buffer layer is fixedly mounted on the inner side of the working bottom box, a field calibrator body is fixedly mounted inside the buffer layer, an insertion groove is fixedly formed in the upper surface of the field calibrator body, and a fixing piece is fixedly mounted on the upper surface of the field calibrator body.

Preferably, a working piece body is fixedly mounted on the inner side of the fixing piece, the working piece body is symmetrically distributed about a vertical center line of the insertion groove and is provided with a pair of a left working piece and a right working piece respectively, an insertion rod is fixedly mounted on the upper side of the right surface of the left working piece, an insertion hole is fixedly formed in the upper side of the left surface of the right working piece, and the specification and the size of the insertion rod are matched with those of the insertion hole.

Preferably, the inside fixed mounting of buffer layer has buffer spring, the inside fixed mounting of buffer layer has the buffering stand, and buffer spring and the equidistant interval arrangement of buffering stand distribute the installation.

Preferably, the inner side of the working top cover is fixedly provided with a damping layer, the inner structure of the damping layer is the same as that of the buffer layer, and the inner diameter specification and the size of the damping layer are matched with those of the upper surface of the on-site calibrator body.

Compared with the prior art, the utility model provides a capacitive voltage transformer on-site calibration instrument possesses following beneficial effect:

1. this on-spot check gauge of capacitive voltage transformer through being provided with the buffer layer at work bottom box inside, is provided with the buffer layer in work top cap inside, thereby can avoid on-the-spot check gauge to take place the not hard up condition of inside spare part because of external environment disturbance to a very big extent.

2. This on-spot check gauge of capacitive voltage transformer through setting up collapsible universal wheel and the pulley groove of accomodating, can be when not using with the universal wheel receive in the pulley groove inside to greatly increased work efficiency.

3. This capacitive voltage transformer on-spot check gauge through setting up left workplace and right workplace, can arrange the enclosure space that a pair of inserted bar and jack formed in with external plug wiring to avoid external plug to drop from the inserting groove, strengthen the practicality greatly.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic structural view of a split capacitive voltage transformer field calibrator provided by the present invention;

fig. 2 is a schematic structural view of a three-dimensional structure of the on-site calibration instrument for the capacitive voltage transformer provided by the utility model;

fig. 3 is a schematic structural view of a shock-absorbing layer of the on-site calibration instrument of the capacitive voltage transformer provided by the utility model;

fig. 4 is a schematic structural diagram of a capacitive voltage transformer on-site calibration instrument in front view;

fig. 5 is a schematic structural view of a working sheet of the field calibrator for capacitive voltage transformers according to the present invention;

fig. 6 is the utility model provides a structural schematic diagram that capacitive voltage transformer on-site calibration appearance looked up.

In the figure: 1. a working housing; 2. a working bottom box; 3. a hinge; 4. a working top cover; 5. pulling a hook; 6. hooking; 7. a pulley groove; 8. a universal wheel; 9. a buffer layer; 10. a field calibrator body; 11. inserting grooves; 12. a fixing sheet; 13. a shock-absorbing layer; 14. a work piece body; 15. a left working sheet; 16. a right working piece; 17. inserting a rod; 18. a jack; 19. a buffer spring; 20. buffer the stand.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-6, on-spot check gauge of capacitive voltage transformer, including work shell 1, work shell 1 uses work end box 2 as the main part, 2 right side fixed surfaces of work end box have a

hinge

3, 3 other end fixed mounting of hinge have work

top cap

4, 4 left side fixed surfaces of work top cap have a

drag hook

5, 2 left side fixed surfaces of work end box have a

hasp

6, 2 lower surfaces of work end box have seted up pulley groove 7, the inside movable mounting of pulley groove 7 has universal wheel 8, and universal wheel 8 installs four about 2 lower surface central points central symmetry distributions of work end box.

Box 2 is slotted cavity cube structure in upper end at the bottom of the work, and box 2 inboard fixed mounting has buffer layer 9 at the bottom of the work, and the inside fixed mounting of buffer layer 9 has on-the-spot check gauge body 10, and inserting groove 11 has been seted up to on-the-spot check gauge body 10 fixed surface, and on-the-spot check gauge body 10 fixed surface installs stationary blade 12, thereby can reduce outside vibrations through buffer layer 9 and cause the influence to on-the-spot check gauge body 10.

The inboard fixed mounting of stationary blade 12 has work piece body 14, work piece body 14 installs a pair ofly about the perpendicular center line symmetric distribution of inserting groove 11, be left work piece 15 and right work piece 16 respectively, the fixed mounting of the 15 right side of left side of work piece surface has inserted bar 17, jack 18 has been seted up to the fixed side of the 16 left side of right side of work piece surface, and 17 specification and 18 specification and dimension looks adaptations of jack of inserted bar, thereby can make external plug can not follow the inside landing of inserted bar 17 and jack 18 through the cooperation of left work piece 15 and right work piece 16.

Buffer layer 9 inside fixed mounting has buffer spring 19, and buffer layer 9 inside fixed mounting has buffering stand 20, and buffer spring 19 and the equidistant interval arrangement of buffering stand 20 distribute the installation, thereby buffer spring 19 and buffering stand 20 can absorb the impact force and reduce the disturbance to on-the-spot check gauge body 10.

The damping layer 13 is fixedly mounted on the inner side of the working top cover 4, the internal structure of the damping layer 13 is the same as that of the buffer layer 9, the internal diameter specification and the size of the damping layer 13 are matched with those of the upper surface of the on-site calibrator body 10, and the anti-disturbance effect of the on-site calibrator body 10 can be enhanced through the damping layer 13.

In the utility model, when the on-site calibration work of the capacitor voltage transformer is needed, the on-site calibration instrument body 10 is firstly clamped into the buffer layer 9 fixedly arranged in the working bottom box 2 to ensure that the on-site calibration instrument body 10 is tightly attached to the inner wall of the buffer layer 9, then the working top cover 4 is rotated around the hinge 3 until the shock absorbing layer 13 fixedly arranged in the working top cover 4 is tightly contacted with the on-site calibration instrument body 10, thereby the working top cover 4 is tightly closed with the working bottom box 2 through the mutual matching of the hook 6 and the drag hook 5, thereby the on-site calibration instrument body 10 is prevented from falling off, then the four universal wheels 8 are rotated out from the inside of the pulley groove 7 until the universal wheels are rotated to the limit position, thereby the on-site calibration instrument body 10 can be conveniently moved, when the on-site calibration instrument body 10 is moved to a bumpy road section through the universal wheels 8, the inside buffer spring 19 of buffer layer 9 takes place elastic deformation and absorbs a large amount of impact forces, buffer column 20 absorbs partial impact force again simultaneously, thereby make on-the-spot check gauge body 10 can not cause inside tiny spare part to take place not hard up because of the road jolts at the highway section of jolting, when on-the-spot check gauge body 10 during operation, insert inserting groove 11 with external plug, it is inside until the inserted bar 17 inserts the jack 18 deeply to rotate a pair of working plate bodies 14 around stationary blade 12 immediately, external plug wiring is in the enclosure space that a pair of inserted bar 17 and jack 18 formed this moment, thereby avoid during operation external plug owing to rock or special circumstances from inserting groove 11 inside droing, thereby make work better accomplish.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Capacitive voltage transformer on-site calibration appearance, including work shell (1), its characterized in that, work shell (1) uses work end box (2) as the main part, work end box (2) right side fixed surface installs hinge (3), hinge (3) other end fixed mounting has work top cap (4), work top cap (4) left side fixed surface installs drag hook (5), work end box (2) left side fixed surface installs hasp (6), pulley groove (7) have been seted up to work end box (2) lower surface, pulley groove (7) inside movable mounting has universal wheel (8), and universal wheel (8) install four about work end box (2) lower surface central point central symmetry distribution.

2. The on-site calibrator for the capacitor voltage transformers according to claim 1, wherein the operating bottom box (2) is of a hollow cubic structure with a groove at the upper end, a buffer layer (9) is fixedly installed on the inner side of the operating bottom box (2), an on-site calibrator body (10) is fixedly installed inside the buffer layer (9), an insertion groove (11) is fixedly formed in the upper surface of the on-site calibrator body (10), and a fixing plate (12) is fixedly installed on the upper surface of the on-site calibrator body (10).

3. The on-site calibrator for the capacitor voltage transformer according to claim 2, wherein a pair of working piece bodies (14) is fixedly mounted on the inner side of the fixed piece (12), the working piece bodies (14) are symmetrically distributed and mounted about the vertical center line of the insertion slot (11) and respectively comprise a left working piece (15) and a right working piece (16), an insertion rod (17) is fixedly mounted on the upper side of the right surface of the left working piece (15), an insertion hole (18) is fixedly formed in the upper side of the left surface of the right working piece (16), and the specification and size of the insertion rod (17) are matched with the specification and size of the insertion hole (18).

4. The on-site calibrator for the capacitor voltage transformers according to claim 2, wherein the buffer layer (9) is fixedly provided with buffer springs (19), the buffer layer (9) is fixedly provided with buffer columns (20), and the buffer springs (19) and the buffer columns (20) are arranged and distributed at equal intervals.

5. The on-site calibrator for the capacitor voltage transformers according to claim 2, wherein a shock-absorbing layer (13) is fixedly mounted on the inner side of the working top cover (4), the internal structure of the shock-absorbing layer (13) is the same as that of the buffer layer (9), and the internal diameter specification and the size of the shock-absorbing layer (13) are matched with those of the upper surface of the on-site calibrator body (10).