CN212931874U

CN212931874U - Transformer on-load tap-changer tester

Info

Publication number: CN212931874U
Application number: CN202021747013.2U
Authority: CN
Inventors: 田士全
Original assignee: Xi'an Yiyun Power Technology Co ltd
Current assignee: Xi'an Yiyun Power Technology Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-09
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a transformer on-load tap-changer tester, including lower casing, the equal fixedly connected with fixture block in both sides at casing front side top down, there is last casing at the top of casing through hinge swing joint down, the equal swing joint in both sides of going up the casing front side has movable lock catch, movable lock catch and fixture block are the joint and connect, the surface mounting of casing has the protective frame down. The utility model discloses a push pedal drives the movable plate and removes, and the removal of movable plate makes second buffer spring take place to deform, and the movable plate drives the locating plate and removes simultaneously, goes into the inside of locating groove with the locating plate card afterwards, has reached the advantage that the protecting effect is good, and it is not good to have solved current transformer on-load tap-changer tester when using protecting effect, often has to have the on-load tap-changer tester to receive external striking after damage easily to influence the normal performance of tester, consequently the problem that people used not convenient for.

Description

Transformer on-load tap-changer tester

Technical Field

The utility model relates to a switch tester technical field specifically is a transformer on-load tap-changer tester.

Background

Along with the development of society, the requirement of people on the safety and reliability of electricity utilization is higher and higher, a high-voltage circuit breaker plays a double role of control and protection in an electric power system, the quality of the performance of the high-voltage circuit breaker is directly related to the safe operation of the electric power system, mechanical characteristic parameters are one of important parameters for judging the performance of the circuit breaker, convenience is provided for dynamic analysis of various circuit breakers, the mechanical dynamic characteristic parameters of the high-voltage circuit breaker with various voltage levels, such as less oil, more oil, vacuum, sulfur hexafluoride and the like, can be accurately measured, the existing transformer on-load tap-changer tester has poor protection effect when in use, and the on-load tap-changer tester is easy to damage after being impacted by the outside so as to influence the normal use performance of the tester, and therefore the high-voltage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a transformer has the on-load tap-changer tester, possesses the good advantage of protecting effect, and it is not good to have solved current transformer on-load tap-changer tester protecting effect when using, often has the on-load tap-changer tester to receive external striking after easy damage to as for influence the normal performance of tester, the problem that consequently not convenient to people used.

(II) technical scheme

For realizing the good purpose of above-mentioned protecting effect, the utility model provides a following technical scheme: the utility model provides a transformer on-load tap-changer tester, includes casing down, the equal fixedly connected with fixture block in both sides at casing front side top down, there is last casing at the top of casing down through hinge swing joint, the equal swing joint in both sides of going up the casing front side has movable lock catch, movable lock catch and fixture block are the joint and connect, the surface mounting of casing has the protection frame down, the equal fixedly connected with second buffer spring in top and the bottom of protection frame inner wall, the inboard fixedly connected with movable plate of second buffer spring, the inboard fixedly connected with locating plate of movable plate, the top and the bottom of protection frame inner wall both sides all are equipped with first buffer spring.

Preferably, the top and the bottom of protection frame inner wall both sides all fixedly connected with connecting plate, the inboard and the outside fixed connection of first buffer spring of connecting plate, the inboard and the outside contact of casing down of first buffer spring.

Preferably, the locating slot has all been seted up to shells inner wall's top and bottom down, the outside of locating plate runs through to the inner chamber of locating slot and is the plug-in connection with the locating slot.

Preferably, the top and the bottom of the moving plate are both fixedly connected with push plates, the outer sides of the push plates penetrate through the outer sides of the protective frames, and the push plates are located on the outer sides of the lower shell.

Preferably, both sides of the bottom of the lower shell and both sides of the top of the upper shell are fixedly connected with protective corner blocks, and the protective corner blocks are made of natural rubber.

(III) advantageous effects

Compared with the prior art, the utility model provides a transformer on-load tap-changer tester possesses following beneficial effect:

1. the utility model discloses a push pedal drives the movable plate and removes, and the removal of movable plate makes second buffer spring take place to deform, and the movable plate drives the locating plate and removes simultaneously, goes into the inside of locating groove with the locating plate card afterwards, has reached the advantage that the protecting effect is good, and it is not good to have solved current transformer on-load tap-changer tester when using protecting effect, often has to have the on-load tap-changer tester to receive external striking after damage easily to influence the normal performance of tester, consequently the problem that people used not convenient for.

2. The utility model discloses a constant head tank makes the inside of casing under inserting that the locating plate can be smooth to the convenience is fixed a position the position of protective frame.

3. The utility model discloses a protection edge piece plays the effect of protection to the corner of casing and last casing down, avoids the phenomenon that the damage can appear in the edge of casing and last casing down.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the protection frame structure of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a lower housing; 2. pushing the plate; 3. a protective frame; 4. protecting the corner block; 5. a clamping block; 6. a movable lock catch; 7. an upper housing; 8. a first buffer spring; 9. positioning a plate; 10. moving the plate; 11. a second buffer spring; 12. a connecting plate; 13. and (6) positioning a groove.

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. 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a lower casing 1, push pedal 2, protective frame 3, protection corner piece 4, fixture block 5, activity hasp 6, go up casing 7, first buffer spring 8, locating plate 9, movable plate 10, second buffer spring 11, connecting plate 12 and constant head tank 13 part are the parts that general standard or technical personnel in the field know, and its structure and principle all are this technical personnel all can learn through the technical manual or learn through conventional experimental approach.

Referring to fig. 1-3, a transformer on-load tap-changer tester comprises a lower casing 1, wherein both sides of the top of the front side of the lower casing 1 are fixedly connected with a fixture block 5, the top of the lower casing 1 is movably connected with an upper casing 7 through a hinge, both sides of the bottom of the lower casing 1 and both sides of the top of the upper casing 7 are fixedly connected with a protective edge corner block 4, the protective edge corner block 4 is made of natural rubber, the edge corners of the lower casing 1 and the upper casing 7 are protected through the protective edge corner block 4, the phenomenon that the edge corners of the lower casing 1 and the upper casing 7 are damaged is avoided, both sides of the front side of the upper casing 7 are movably connected with a movable lock catch 6, the movable lock catch 6 and the fixture block 5 are connected in a clamping manner, a protective frame 3 is mounted on the outer surface of the lower casing 1, both the top and the bottom of the inner wall of the protective frame 3 are fixedly connected with a second buffer spring 11, and, the top and the equal fixedly connected with push pedal 2 in bottom of movable plate 10, the outside of push pedal 2 runs through to the outside of protective frame 3, push pedal 2 is located casing 1's the outside down, the inboard fixedly connected with locating plate 9 of movable plate 10, constant head tank 13 has all been seted up to casing 1 inner wall's top and bottom down, the outside of locating plate 9 runs through to the inner chamber of constant head tank 13 and is the plug-in connection with constant head tank 13, through constant head tank 13, the inside of casing 1 under the insertion that makes locating plate 9 can be smooth, thereby conveniently fix a position protective frame 3's position, the top and the bottom of protective frame 3 inner wall both sides all are equipped with first buffer spring 8, the top and the equal fixedly connected with connecting plate 12 in bottom of protective frame 3 inner wall both sides, the inboard of connecting plate 12 and first buffer spring 8's the outside fixed connection, the inboard of first buffer spring.

When using, at first drive the movable plate 10 through the push pedal 2 and remove, the movable plate 10 moves to the outside this moment, the removal through the movable plate 10 makes second buffer spring 11 take place deformation, the movable plate 10 drives locating plate 9 and removes simultaneously, then locate casing 1's surface down with the protecting frame 3 cover, loosen push pedal 2, make locating plate 9 card go into the inside of constant head tank 13 under second buffer spring 11 resumes deformation, protecting frame 3 takes place to remove when casing 1 receives the striking down, the removal through protecting frame 3 makes connecting plate 12 remove, make first buffer spring 8 take place to deform through the removal of connecting plate 12, protecting frame 3 simultaneously drives second buffer spring 11 and takes place to deform, thereby the dynamics that receives protecting frame 3 cushions the weakening.

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes can be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a transformer on-load tap-changer tester, includes casing (1) down, its characterized in that: the improved structure of the protective frame is characterized in that clamping blocks (5) are fixedly connected to two sides of the top of the front side of the lower shell (1), the top of the lower shell (1) is connected with an upper shell (7) through hinges in a movable mode, movable locking buckles (6) are movably connected to two sides of the front side of the upper shell (7), the movable locking buckles (6) and the clamping blocks (5) are connected in a clamping mode, a protective frame (3) is arranged on the outer surface of the lower shell (1), second buffer springs (11) are fixedly connected to the top and the bottom of the inner wall of the protective frame (3), a movable plate (10) is fixedly connected to the inner side of the second buffer springs (11), a positioning plate (9) is fixedly connected to the inner side of the movable plate (10), and first buffer springs (8) are arranged at the top and.

2. The transformer on-load tap-changer tester of claim 1, characterized in that: the top and the bottom of protective frame (3) inner wall both sides all fixedly connected with connecting plate (12), the inboard of connecting plate (12) and the outside fixed connection of first buffer spring (8), the inboard of first buffer spring (8) and the outside contact of casing (1) down.

3. The transformer on-load tap-changer tester of claim 1, characterized in that: constant head tank (13) have all been seted up to the top and the bottom of casing (1) inner wall down, the outside of locating plate (9) is run through to the inner chamber of constant head tank (13) and is the plug-in connection with constant head tank (13).

4. The transformer on-load tap-changer tester of claim 1, characterized in that: the top and the bottom of the moving plate (10) are fixedly connected with push plates (2), the outer sides of the push plates (2) penetrate through the outer sides of the protection frames (3), and the push plates (2) are located on the outer sides of the lower shell (1).

5. The transformer on-load tap-changer tester of claim 1, characterized in that: the two sides of the bottom of the lower shell (1) and the two sides of the top of the upper shell (7) are fixedly connected with protection corner blocks (4), and the protection corner blocks (4) are made of natural rubber.