CN216052150U

CN216052150U - Portable test tool suitable for 500kV and above voltage transformer test

Info

Publication number: CN216052150U
Application number: CN202122344190.7U
Authority: CN
Inventors: 严小恺; 王国庆; 王一惟; 肖虎; 王禹夫; 李佳奇; 阎文博
Original assignee: Power Supply Service Supervision And Support Center Of State Grid Inner Mongolia East Electric Power Co ltd
Current assignee: Power Supply Service Supervision And Support Center Of State Grid Inner Mongolia East Electric Power Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-15
Anticipated expiration: 2031-09-27

Abstract

The application discloses a portable test tool suitable for testing a voltage transformer of 500kV or more, which comprises a connecting structure, a limiting structure and a tester body; connection structure includes the mounting panel, mounting panel one end both sides all are equipped with the connecting axle, connecting axle one end pass through the bearing with the mounting panel rotates to be connected, open on tester body surface has the mounting groove, open the mounting groove inside wall has the spout, the inside slider that is equipped with of spout, just the connecting axle outer end with slider lateral surface rigid coupling. This application has adopted the integrated configuration of tester body and mounting panel, and display panel and operating panel set up on the mounting panel surface, can make the slider slide along the spout through sliding and rotating the mounting panel, until with display panel and operating panel block in the inside of mounting groove, can be inside the draw-in groove with the cardboard block under the effect of first spring this moment to this comes mounting panel and tester body to be fixed, and barrier propterty is good.

Description

Portable test tool suitable for 500kV and above voltage transformer test

Technical Field

The application relates to the technical field of voltage transformer tests, in particular to a portable test tool suitable for 500kV and above voltage transformer tests.

Background

The voltage transformer is similar to a transformer and is an instrument for transforming voltage on a line, but the purpose of transforming the voltage by the transformer is to transmit electric energy, so the capacity is very large, and the capacity is generally calculated by kilovolt-ampere or megavolt-ampere; the voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device, measuring the voltage, power and electric energy of a line, or protecting valuable equipment, a motor and a transformer in the line when the line fails, so that the capacity of the voltage transformer is small, generally only a few volt-amperes and dozens of volt-amperes, and the maximum voltage of the voltage transformer does not exceed one thousand volt-amperes. The terms introduce their basic structure, principle of operation, main type, wiring, notes, exceptions and manipulations, ferroresonance, etc.

The external structure of the traditional voltage transformer test tool is generally simple, is inconvenient to carry and use, is troublesome in use, has insufficient protection capability of the current voltage transformer test tool, and is easy to damage by the outside. Therefore, the portable test tool suitable for testing the voltage transformer of 500kV and above is provided for solving the problems.

Disclosure of Invention

A portable test tool suitable for testing a voltage transformer of 500kV or more comprises a connecting structure, a limiting structure and a tester body;

the connecting structure comprises a mounting plate, connecting shafts are arranged on two sides of one end of the mounting plate, one end of each connecting shaft is rotatably connected with the mounting plate through a bearing, a mounting groove is formed in the surface of the tester body, a sliding groove is formed in the inner side wall of the mounting groove, a sliding block is arranged in the sliding groove, and the outer end of each connecting shaft is fixedly connected with the outer side face of the corresponding sliding block; a sliding hole is formed in the side face of the sliding block, a sliding rod is fixedly connected inside the sliding groove and penetrates through the sliding hole, first springs are arranged on two sides of the sliding block, and the first springs are sleeved on the surface of the sliding rod;

the limiting structure comprises a pulling plate, the pulling plate is positioned on the front side surface of the tester body, connecting plates are arranged on two sides of the pulling plate, the connecting plates are fixedly connected with the front side surface of the tester body, and movable cavities are formed in two ends of the pulling plate; open the connecting plate bottom has the spread groove, open the connecting plate outside has the spacing groove, the spread groove with the spacing groove intercommunication, the inside movable rod that has cup jointed of activity intracavity portion, the activity pole outer end block in inside the spread groove, activity pole outer end rigid coupling has the limiting plate, just the limiting plate block in inside the spacing groove.

Furthermore, the inner end wall of the mounting groove is provided with a clamping groove, one end of the mounting plate is fixedly connected with a clamping plate, and the clamping plate is clamped inside the clamping groove.

Further, the slider with the spout is the rectangle structure, the slider with spout sliding connection, just the mounting panel with slider sliding connection.

Furthermore, the number of connecting plates is two, two connecting plates symmetric distribution in tester body front side, the arm-tie is U type structure, just the arm-tie with the connecting plate rotates and is connected.

Furthermore, the limiting plate and the limiting groove are both in a regular hexagon structure, and the sizes of the limiting plate and the limiting groove are matched.

Furthermore, the movable rod is of a T-shaped structure, the movable rod is movably connected with the movable cavity, a second spring is arranged in the movable cavity, and the second spring is sleeved on the surface of the movable rod.

Further, the inside wall of the tester body is fixedly connected with an installation box, a first cavity and a second cavity are respectively arranged in the installation box, a scroll is arranged in the first cavity and penetrates through the first cavity and the second cavity, and the scroll is rotatably connected with the inside wall of the installation box.

Furthermore, the number of the installation boxes is two, the two installation boxes are symmetrically distributed inside the tester body, the surface of the scroll is wound with a pull rope, and the outer end of the pull rope is fixedly connected with the bottom end of the pull plate.

Further, a spring is arranged inside the second cavity and sleeved on the surface of the winding shaft, and the outer end of the spring is fixedly connected with the inner side wall of the second cavity.

Further, the outer side of the tester body is provided with a cover plate, and the cover plate is rotatably connected with the tester body.

Through the above-mentioned embodiment of this application, adopted the integrated configuration of tester body and mounting panel, display panel and operating panel set up on the mounting panel surface, can make the slider slide along the spout through sliding and rotating the mounting panel, until with display panel and operating panel block in the inside of mounting groove, can be inside the draw-in groove with the cardboard block under the effect of first spring this moment to this comes mounting panel and tester body fixed.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a diagram of the connection between the mounting plate and the tester body according to an embodiment of the present application;

FIG. 3 is a drawing of the connection between the pulling plate and the tester body according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a connection plate according to an embodiment of the present application.

In the figure: 1. the cover plate, 2, the tester body, 3, the mounting groove, 31, the draw-in groove, 4, the mounting panel, 5, the arm-tie, 6, the slider, 61, the slide opening, 7, the slide bar, 8, the spout, 9, the cardboard, 10, first spring, 11, the connecting axle, 12, the bearing, 13, the install bin, 131, first cavity, 132, the second cavity, 14, the stay cord, 15, the clockwork spring, 16, the connecting plate, 161, the spacing groove, 162, the spread groove, 17, the limiting plate, 18, the movable rod, 19, the activity chamber, 20, the second spring, 21, the spool.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The test tool in the present embodiment may be applied to various voltage transformers, for example, the following voltage transformer is provided in the present embodiment, and the test tool in the present embodiment may be used to test the following voltage transformer.

The voltage transformer comprises a body, wherein a mounting plate is fixedly connected to the bottom of the body, a supporting plate is fixedly connected to the top of the mounting plate, a fixing plate is fixedly connected to the top of the supporting plate, a protective cover is arranged at the middle position of the fixing plate and used for a wire outlet, a wire outlet is fixedly connected to the middle position of the protective cover, sliding rods are arranged on two sides of the wire outlet, a fixing block is arranged at the middle position of each sliding rod and is axially symmetrical to the central axis of the wire outlet, a positioning nut is fixedly connected to the tail end position of each sliding rod and can position the sliding rods at a certain position through the retraction of wires, when the wires are clamped well through the loosening of the positioning nuts, springs are fixedly connected to the front end positions of the sliding rods, the wires are clamped through the elasticity of the springs, a semicircular clamping plate and a semicircular clamping plate are arranged at the front end of each sliding rod and can clamp the wires of the wire outlet, the front end fixedly connected with antiskid rib of semicircle splint, utilize antiskid rib to strengthen its firm performance simultaneously, so whole work flow is, when using this voltage transformer, when the electric wire comes out from the outlet, utilize the slide bar that sets up in the outlet both sides, terminal position at the slide bar has set up set nut, the intermediate position of slide bar has set up the fixed block, the spring has been set up simultaneously in the front end position of slide bar, the pulling slide bar utilizes spring and semicircle clamp to carry out the centre gripping fastening to the electric wire, front end fixedly connected with antiskid rib at the semicircle clamp, can avoid rocking of electric wire to squint like this and cause, it is not good to cause voltage transformer's working effect, thereby influence measuring effect.

Of course, the present embodiment can be used for other voltage transformers. The following description is provided for the test tool of the embodiments of the present application, which is not repeated herein.

Referring to fig. 1-4, a portable testing tool suitable for testing a voltage transformer of 500kV and above comprises a connecting structure, a limiting structure and a tester body 2;

the connecting structure comprises a mounting plate 4, connecting shafts 11 are arranged on two sides of one end of the mounting plate 4, one end of each connecting shaft 11 is rotatably connected with the mounting plate 4 through a bearing 12, a mounting groove 3 is formed in the surface of the tester body 2, a sliding groove 8 is formed in the inner side wall of the mounting groove 3, a sliding block 6 is arranged inside the sliding groove 8, and the outer end of each connecting shaft 11 is fixedly connected with the outer side surface of the corresponding sliding block 6; a sliding hole 61 is formed in the side face of the sliding block 6, a sliding rod 7 is fixedly connected inside the sliding groove 8, the sliding rod 7 penetrates through the sliding hole 61, first springs 10 are arranged on two sides of the sliding block 6, and the first springs 10 are sleeved on the surface of the sliding rod 7;

the limiting structure comprises a pulling plate 5, the pulling plate 5 is positioned on the front side surface of the tester body 2, connecting plates 16 are arranged on two sides of the pulling plate 5, the connecting plates 16 are fixedly connected with the front side surface of the tester body 2, and movable cavities 19 are formed in the inner parts of two ends of the pulling plate 5; open connecting groove 162 in the connecting plate 16 bottom, open connecting plate 16 outside has spacing groove 161, connecting groove 162 with spacing groove 161 intercommunication, movable rod 18 has been cup jointed to activity 19 inside of the chamber, the 18 outer ends of movable rod block in inside connecting groove 162, the 18 outer ends of movable rod rigid coupling has limiting plate 17, just limiting plate 17 block in inside the spacing groove 161.

A clamping groove 31 is formed in the inner end wall of the mounting groove 3, a clamping plate 9 is fixedly connected to one end of the mounting plate 4, the clamping plate 9 is clamped inside the clamping groove 31, and the mounting plate 4 can be fixed through connection of the clamping plate 9 and the clamping groove 31; the sliding block 6 and the sliding groove 8 are both rectangular structures, the sliding block 6 is connected with the sliding groove 8 in a sliding mode, and the mounting plate 4 is connected with the sliding block 6 in a sliding mode, so that the position of the mounting plate 4 can be adjusted conveniently; the number of the connecting plates 16 is two, the two connecting plates 16 are symmetrically distributed on the front side surface of the tester body 2, the pulling plate 5 is of a U-shaped structure, the pulling plate 5 is rotatably connected with the connecting plates 16, and the tester body 2 can be lifted up through the pulling plate 5; the limiting plate 17 and the limiting groove 161 are both in a regular hexagon structure, and the size of the limiting plate 17 is matched with that of the limiting groove 161, so that the pulling plate 5 is conveniently connected with the connecting plate 16; the movable rod 18 is of a T-shaped structure, the movable rod 18 is movably connected with the movable cavity 19, a second spring 20 is arranged in the movable cavity 19, the second spring 20 is sleeved on the surface of the movable rod 18, and the limiting plate 17 can be clamped with the limiting groove 161 through the second spring 20; the inner side wall of the tester body 2 is fixedly connected with a mounting box 13, a first cavity 131 and a second cavity 132 are respectively formed in the mounting box 13, a scroll 21 is arranged in the first cavity 131, the scroll 21 penetrates through the first cavity 131 and the second cavity 132, and the scroll 21 is rotatably connected with the inner side wall of the mounting box 13, so that the mounting of the internal structure of the mounting box 13 is facilitated; the number of the installation boxes 13 is two, the two installation boxes 13 are symmetrically distributed in the tester body 2, the pull rope 14 is wound on the surface of the reel 21, the outer end of the pull rope 14 is fixedly connected with the bottom end of the pull plate 5, and the pull rope 14 can be wound through the reel 21; a spring 15 is arranged in the second cavity 132, the spring 15 is sleeved on the surface of the reel 21, the outer end of the spring 15 is fixedly connected with the inner side wall of the second cavity 132, and the pull rope 14 can be wound on the surface of the reel 21 through the spring 15; the outer side of the tester body 2 is provided with a cover plate 1, the cover plate 1 is rotatably connected with the tester body 2, and the tester body 2 can be protected by the cover plate 1.

When the tester is used, the display panel and the operation panel are arranged inside the mounting plate 4, the mounting plate 4 can be enabled to be vertical to the tester body 2 by rotating the mounting plate 4, then the mounting plate 4 is slid, and further the sliding block 6 can slide along the sliding groove 8, so that the first spring 10 on the surface of the sliding rod 7 can be compressed, and meanwhile, the mounting plate 4 is rotated reversely until the mounting plate 4 is clamped inside the mounting groove 3, at the moment, the clamping plate 9 can be clamped inside the clamping groove 31 under the reaction of the first spring 10, so that the mounting plate 4 and the tester body 2 are fixed, at the moment, the display panel and the operation panel can be accommodated inside the mounting groove 3, and the protection performance is good;

then can mention tester body 2 through arm-tie 5, and then can make it break away from with spacing groove 161 through to outer end pulling limiting plate 17, remove arm-tie 5 to the bottom this moment, can follow the inside shift out of spread groove 162 with movable rod 18, can follow reel 21 surface tension with stay cord 14 through pulling arm-tie 5 this moment, can carry tester body 2 oblique strides through arm-tie 5 and stay cord 14 then, and it is simple to carry.

The application has the advantages that:

1. the combined structure of the tester body and the mounting plate is adopted, the display panel and the operation panel are arranged on the surface of the mounting plate, the sliding block can slide along the sliding groove by sliding and rotating the mounting plate until the display panel and the operation panel are clamped in the mounting groove, and the clamping plate can be clamped in the clamping groove under the action of the first spring, so that the mounting plate and the tester body are fixed, and the protection performance is good;

2. this application can make it break away from with the spacing groove through to outer end pulling limiting plate, removes the arm-tie to the bottom this moment, and the movable rod can shift out from the inside of spread groove, can follow the reel surface with the stay cord through the pulling arm-tie this moment and stretch, can carry the tester body through arm-tie and stay cord to one side afterwards, and it is simple to carry.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a be applicable to 500kV and above portable test instrument of voltage transformer test which characterized in that: comprises a connecting structure, a limiting structure and a tester body (2);

the connecting structure comprises a mounting plate (4), connecting shafts (11) are arranged on two sides of one end of the mounting plate (4), one end of each connecting shaft (11) is rotatably connected with the mounting plate (4) through a bearing (12), a mounting groove (3) is formed in the surface of the tester body (2), a sliding groove (8) is formed in the inner side wall of the mounting groove (3), a sliding block (6) is arranged inside the sliding groove (8), and the outer end of each connecting shaft (11) is fixedly connected with the outer side face of the corresponding sliding block (6); a sliding hole (61) is formed in the side face of the sliding block (6), a sliding rod (7) is fixedly connected inside the sliding groove (8), the sliding rod (7) penetrates through the sliding hole (61), first springs (10) are arranged on two sides of the sliding block (6), and the first springs (10) are sleeved on the surface of the sliding rod (7);

the limiting structure comprises a pulling plate (5), the pulling plate (5) is positioned on the front side surface of the tester body (2), connecting plates (16) are arranged on two sides of the pulling plate (5), the connecting plates (16) are fixedly connected with the front side surface of the tester body (2), and movable cavities (19) are formed in the inner parts of two ends of the pulling plate (5); connecting plate (16) bottom is opened there is spread groove (162), open in the connecting plate (16) outside has spacing groove (161), spread groove (162) with spacing groove (161) intercommunication, movable rod (18) have been cup jointed to activity chamber (19) inside, movable rod (18) outer end block in inside spread groove (162), movable rod (18) outer end rigid coupling has limiting plate (17), just limiting plate (17) block in inside spacing groove (161).

2. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 1, wherein:

the mounting groove (3) is provided with a clamping groove (31) on the inner end wall, a clamping plate (9) is fixedly connected to one end of the mounting plate (4), and the clamping plate (9) is clamped inside the clamping groove (31).

3. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 1, wherein:

slider (6) with spout (8) are the rectangle structure, slider (6) with spout (8) sliding connection, just mounting panel (4) with slider (6) sliding connection.

4. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 1, wherein:

the number of connecting plates (16) is two, two connecting plates (16) symmetric distribution in tester body (2) leading flank, arm-tie (5) are U type structure, just arm-tie (5) with connecting plate (16) rotate and are connected.

5. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 1, wherein:

the limiting plate (17) and the limiting groove (161) are both in a regular hexagon structure, and the size of the limiting plate (17) is matched with that of the limiting groove (161).

6. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 1, wherein:

the movable rod (18) is of a T-shaped structure, the movable rod (18) is movably connected with the movable cavity (19), a second spring (20) is arranged inside the movable cavity (19), and the second spring (20) is sleeved on the surface of the movable rod (18).

7. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 1, wherein:

tester body (2) inside wall rigid coupling has install bin (13), install bin (13) are inside to be opened respectively first cavity (131) and second cavity (132), first cavity (131) are inside to be equipped with spool (21), spool (21) run through first cavity (131) and second cavity (132), just spool (21) with install bin (13) inside wall rotates and is connected.

8. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 7, wherein:

the number of installation case (13) is two, two installation case (13) symmetric distribution is in inside tester body (2), reel (21) surface winding has stay cord (14), just stay cord (14) outer end with arm-tie (5) bottom rigid coupling.

9. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 8, wherein:

the inside clockwork spring (15) that is equipped with of second cavity (132), clockwork spring (15) cup joint in spool (21) surface, just clockwork spring (15) outer end with second cavity (132) inside wall rigid coupling.

10. The portable testing tool suitable for testing the voltage transformer of 500kV and above according to claim 1, wherein:

the tester is characterized in that a cover plate (1) is arranged on the outer side of the tester body (2), and the cover plate (1) is rotatably connected with the tester body (2).