CN210575495U

CN210575495U - Voltage-equalizing ball for transformer bushing

Info

Publication number: CN210575495U
Application number: CN201921850037.8U
Authority: CN
Inventors: 何有钿
Original assignee: Yangzhou Hangshun Electric Co Ltd
Current assignee: Yangzhou Hangshun Electric Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-19
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a transformer is voltage-sharing ball for sleeve pipe, its structure includes the pedestal, the fixed plate, the spheroid, collar and fixed establishment, fixed establishment is by the button, the push rod, the guide arm, lead to the groove, the driving rope, the pulley, the fixture block, slide rail and spring are constituteed, this transformer is voltage-sharing ball for sleeve pipe is through having set up fixed establishment, the collar can disect insertion when installing and carry out the screens by the fixture block fixed, can press button pulling driving rope to remove when needing to dismantle, it packs up to slide left through the slide rail by driving rope pulling fixture block again, can dismantle this moment, therefore, the device is very convenient, the bolt that often adopts the round when having solved because current voltage-sharing ball installation locks fixedly, not only the installation is loaded down with trivial details, still be not convenient for dismantle the problem of changing, reach the effect of being convenient for installation.

Description

Voltage-equalizing ball for transformer bushing

Technical Field

The utility model relates to a voltage-sharing ball technical field, concretely relates to voltage-sharing ball for transformer bushing.

Background

The transformer grading ring is an annular steel ring arranged on the top of an insulator sleeve, due to the effect of capacitance distributed to the ground, when an insulator is struck by lightning, the voltage distribution borne by the insulator is uneven, most of voltage drop is distributed in a short distance at the struck end of the insulator, namely, the insulation strength of the part of the insulator must be very high, otherwise, once the insulator is locally broken down, the voltage distribution unevenness continues to the next section of insulator, the situation is worse along with the increase of the breakdown length of the insulator, the increase of the insulation strength inevitably causes the rapid increase of the manufacturing cost, if a grading ring is additionally arranged at the head part (the part struck by lightning) of the insulator, the capacitance current to the ground is balanced by the inductance effect, the overvoltage distribution is relatively even, and the full length of the insulator can be fully utilized to withstand the impact of the lightning.

When the pressure equalizing ball is installed at the top of the insulator sleeve, because the existing pressure equalizing ball is often locked and fixed by a circle of bolts during installation, the installation process is complex, and the pressure equalizing ball is not convenient to disassemble and replace.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the voltage-sharing ball for the transformer bushing is provided, and the problems that the installation process is complex, the dismounting and the replacement are inconvenient due to the fact that the existing voltage-sharing ball is locked and fixed by a circle of bolts when being installed are solved, and the effect of convenience in installation and dismounting is achieved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a voltage-sharing ball for a transformer bushing, which comprises a base body, wherein the upper end of the base body is locked with a fixed plate through a bolt, the upper end of the fixed plate is vertically fixed with the ball body, the bottom of the seat body is subjected to arc welding with the mounting ring, the two ends of the mounting ring are provided with fixing mechanisms, the fixing mechanisms comprise buttons, push rods, guide rods, through grooves, transmission ropes, pulleys, clamping blocks, sliding rails and springs, the right side of the button is fixed with the push rod, the guide rod is fixed at the upper end inside the through groove, the through groove is arranged inside the mounting ring, the push rod is in sliding fit with the guide rod, the upper end of the transmission rope is fixed with the push rod, the left side of the pulley is fixed with the through groove, and the middle part of the transmission rope is fixed with the fixture block after the direction is changed by the pulley, the slide rail is fixed at the bottom of the through groove, the fixture block slides left and right along the slide rail, and the spring is fastened at the left side of the fixture block.

Furthermore, the number of the fixing mechanisms is two, and the two fixing mechanisms are symmetrically arranged in the mounting ring.

Further, the surface of the button is provided with anti-slip lines, and the diameter of the button is three times of that of the push rod.

Furthermore, the guide rods are arranged in an up-and-down parallel mode, and the two guide rods are in sliding fit with the inner side of the right side opening of the push rod.

Further, the number of the pulleys is two, and the two pulleys are arranged in parallel up and down.

Furthermore, the two ends of the slide rail are provided with limiting blocks, and the two limiting blocks are symmetrically arranged.

Further, the number of the springs is two, and the two springs are arranged in parallel up and down.

Furthermore, the transmission rope core is made of steel wire.

Furthermore, the slide rail is made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

through having set up fixed establishment, but the snap-in is carried out by the fixture block to the collar when installing and is fixed, can press the button pulling driving rope to remove when needing to dismantle, and the sliding left is packed up through the slide rail by driving rope pulling fixture block again, can dismantle this moment, and is very convenient, has solved because the bolt that often adopts the round when current equalizer ball installation locks fixedly, and not only the installation is loaded down with trivial details, still is not convenient for dismantle the problem of changing, reaches the effect of convenient to install and dismantle.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic structural view of the fixing mechanism of the present invention;

fig. 4 is a schematic structural diagram of a portion a of fig. 3 according to the present invention.

In the figure: the device comprises a seat body-1, a fixed plate-2, a sphere-3, a mounting ring-4, a fixing mechanism-5, a button-51, a push rod-52, a guide rod-53, a through groove-54, a transmission rope-55, a pulley-56, a fixture block-57, a slide rail-58 and a spring-59.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a voltage equalizing ball for transformer bushing: comprises a seat body 1, the upper end of the seat body 1 is locked with a fixed plate 2 through a bolt, and the fixed plate 2

The upper end is vertically fixed with the ball body 3, the bottom of the seat body 1 is arc-welded with the mounting ring 4, and the mounting ring 4

Two ends of the fixing mechanism 5 are provided with fixing mechanisms 5, each fixing mechanism 5 consists of a button 51, a push rod 52, a guide rod 53, a through groove 54, a driving rope 55, a pulley 56, a fixture block 57, a slide rail 58 and a spring 59, and the buttons are arranged on the two ends of the fixing mechanism 5

51 the right side of which is fixed with a push rod 52, a guide rod 53 is fixed at the upper end inside a through groove 54, and the through groove

54 are arranged inside the mounting ring 4 and the push rod 52 is in sliding fit with the guide 53, the drive cord 55

The upper end is fixed with the push rod 52, the left side of the pulley 56 is fixed with the through groove 54, the middle part of the transmission rope 55 is fixed with the fixture block 57 after the direction is changed through the pulley 56, the sliding rail 58 is fixed at the bottom of the through groove 54, the fixture block 57 slides left and right along the sliding rail 58, and the spring 59 is fastened at the left side of the fixture block 57.

Wherein, the fixing mechanisms 5 are provided with two, and the two fixing mechanisms 5 are arranged on the mounting ring

4, the inner parts are symmetrically arranged, so that the fixing is better performed.

Wherein, the surface of the button 51 is provided with anti-skid lines, and the diameter of the button 51 is the push rod

Three times the diameter of 52, the sliding is not easy to occur when in use.

The two guide rods 53 are arranged in parallel up and down, and the two guide rods 53 are in sliding fit with the inner side of the right side through hole of the push rod 52, so that the push rod can slide better.

The two pulleys 56 are arranged and the two pulleys 56 are arranged in parallel up and down, so that the transmission rope can be well supported.

Wherein, slide rail 58 both ends are provided with the stopper, and two stoppers symmetry installation each other, play limiting displacement.

Wherein, the spring 59 is provided with two, and two springs 59 are installed up and down in parallel to play the reset role.

Wherein, the driving rope 55 rope core is the steel wire material.

Wherein, the slide rail 58 is made of stainless steel.

According to the upper table show, the utility model discloses slide rail 58 adopts the stainless steel to make, can reach the effect that increases corrosion resistance, makes slide rail 58 be difficult for rustting.

The slide rail 58 of this patent: the sliding rail is also called as a guide rail and a slideway, and refers to a hardware connecting part which is fixed on a cabinet body of furniture and is used for the in-and-out movement of a drawer or a cabinet plate of the furniture, and the sliding rail is suitable for the connection of wood of cabinets, furniture, document cabinets, bathroom cabinets and the like and drawers of steel drawers and other furniture.

The working principle is as follows: firstly, the mounting ring 4 is connected with an external transformer bushing, when an insulator in the sphere 3 is struck by lightning, the voltage borne by the insulator is diffused unevenly, a large department voltage drop is diffused in a short distance at one end of the transformer which is struck by lightning, the fixing plate 2 plays a role of fixing the sphere 3, but the existing pressure equalizing ball is usually locked and fixed by a circle of bolts when being mounted, the mounting process is complicated, the dismounting and the replacement are inconvenient, the problem can be solved by the fixing mechanism 5, the mounting ring 4 can be directly inserted and fixed by the clamping block 57 in a clamping way when being mounted, the push rod 52 can be limited and slid at the guide rod 53 by pressing the button 51 when being dismounted, simultaneously, the driving rope 55 of the through groove 54 is pulled to move through the pulley 56, and then the clamping block 57 is pulled by the driving rope 55 to slide leftwards through the sliding rail 58 for being dismounted, and the spring 59 plays a role of resetting the clamping block 57, through having set up fixed establishment 5, but the disect insertion and carry out the screens by fixture block 57 fixed when collar 4 is installed, can press button 51 pulling driving rope 55 to remove when needing to dismantle, slide left through slide rail 58 by driving rope 55 pulling fixture block 57 again and pack up, can dismantle this moment, and is very convenient, solved because the bolt that often adopts the round when current equalizer ball installation locks fixedly, not only the installation is loaded down with trivial details, still be not convenient for dismantle the problem of changing, reach the effect of being convenient for install and dismantle.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A voltage-sharing ball for a transformer bushing comprises a base body (1), wherein the upper end of the base body (1) is locked with a fixed plate (2) through a bolt, the upper end of the fixed plate (2) is vertically fixed with a ball body (3), and the bottom of the base body (1) is subjected to arc welding with a mounting ring (4);

the method is characterized in that: the fixing device is characterized by further comprising a fixing mechanism (5), fixing mechanisms (5) are arranged at two ends of the mounting ring (4), each fixing mechanism (5) is composed of a button (51), a push rod (52), a guide rod (53), a through groove (54), a transmission rope (55), a pulley (56), a clamping block (57), a sliding rail (58) and a spring (59), the right side of the button (51) is fixed with the push rod (52), the guide rod (53) is fixed at the upper end inside the through groove (54), the through groove (54) is arranged inside the mounting ring (4), the push rod (52) is in sliding fit with the guide rod (53), the upper end of the transmission rope (55) is fixed with the push rod (52), the left side of the pulley (56) is fixed with the through groove (54), the middle of the transmission rope (55) is fixed with the clamping block (57) after the direction is changed through the pulley (56), the sliding rail (58) is fixed at the bottom, and the fixture block (57) slides left and right along the slide rail (58), and the spring (59) is fastened on the left side of the fixture block (57).

2. The voltage-sharing ball for the transformer bushing according to claim 1, wherein: the number of the fixing mechanisms (5) is two, and the two fixing mechanisms (5) are symmetrically arranged in the mounting ring (4).

3. The voltage-sharing ball for the transformer bushing according to claim 1, wherein: the surface of the button (51) is provided with anti-slip lines, and the diameter of the button (51) is three times that of the push rod (52).

4. The voltage-sharing ball for the transformer bushing according to claim 1, wherein: the two guide rods (53) are arranged in parallel up and down, and the two guide rods (53) are in sliding fit with the inner side of the right side through hole of the push rod (52).

5. The voltage-sharing ball for the transformer bushing according to claim 1, wherein: the number of the pulleys (56) is two, and the two pulleys (56) are arranged in parallel up and down.

6. The voltage-sharing ball for the transformer bushing according to claim 1, wherein: the two ends of the sliding rail (58) are provided with limiting blocks, and the two limiting blocks are symmetrically arranged.

7. The voltage-sharing ball for the transformer bushing according to claim 1, wherein: the number of the springs (59) is two, and the two springs (59) are arranged in parallel up and down.