CN210155168U

CN210155168U - Porcelain insulator withstand voltage test support structure

Info

Publication number: CN210155168U
Application number: CN201920429215.3U
Authority: CN
Inventors: 丰显忠
Original assignee: SICHUAN DATANG INTERNATIONAL GANZI HYDROPOWER DEVELOPMENT Co Ltd
Current assignee: SICHUAN DATANG INTERNATIONAL GANZI HYDROPOWER DEVELOPMENT Co Ltd
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-03-17
Anticipated expiration: 2029-04-01

Abstract

The utility model discloses a vase insulator withstand voltage test supporting structure, which comprises a bracket, the support includes base, montant and crossbeam, two the montant sets up perpendicularly on two bases respectively, the crossbeam level sets up and connects at two montant other ends, be provided with the couple that is used for hanging the insulator on the crossbeam, its characterized in that is provided with grouping connection structure, and grouping connection structure is including the first group connection structure that is used for the wire to connect the insulator of odd number position to and be used for the wire to connect the second group connection structure of the insulator of even number position, and the one end of first group and second group connection structure is all fixed on the crossbeam. The utility model discloses a porcelain insulator withstand voltage test supporting structure can implement withstand voltage test to a plurality of insulators of odd number group and even number group respectively, has realized once testing a plurality of insulators promptly, and the insulator of two groups carries out ground connection as the isolator of the other side when another group tests, guarantees the security of test.

Description

Porcelain insulator withstand voltage test support structure

Technical Field

The utility model relates to an electric power field, in particular to vase insulator withstand voltage test supporting structure.

Background

The porcelain insulator is widely used in power transmission equipment of power plants, power supply offices and the like, the withstand voltage level of a single insulator is 35kV, when the porcelain insulator is applied to a 110kV overhead line, a 220kV overhead line or a 550kV overhead line, the insulators are connected in series according to different voltage levels, the withstand voltage test needs to be carried out on the insulators before the porcelain insulator is put into use, the single insulator is hung by a conventional method, the bottom of the insulator is grounded, the top of the insulator is pressed singly, if the porcelain insulator is applied to the 110kV overhead line, about 5-7 insulators need to be connected in series, when the voltage is higher, the number of the insulators needing to be connected in series is more, the withstand voltage of the single insulator consumes time and labor, and even the putting period of; the other is to integrally press a plurality of insulators, mutual discharge and discharge to surrounding media exist in the pressing process, the insulators cannot be effectively isolated, and once discharge is formed, the test needs to be carried out again.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a vase insulator withstand voltage test supporting structure.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a vase insulator withstand voltage test supporting structure, includes the support, the support includes base, montant and crossbeam, two the montant sets up perpendicularly respectively on two bases, the crossbeam level sets up and connects at two montant other ends, be provided with the couple that is used for hanging the insulator on the crossbeam, the key lies in, is provided with grouping connection structure, and grouping connection structure is including the first group connection structure that is used for the wire to connect the insulator of odd number position to and be used for the wire to connect the second group connection structure of the insulator of even number position, and the one end of first group and second group connection structure is all fixed on the crossbeam.

Further, every group connection structure is including a plurality of coupling assembling of establishing ties, coupling assembling includes connector, horizontal wire and vertical wire, the connector is square conductor, connects horizontal wire and vertical wire on two faces of connector mutually perpendicular respectively, the wire guide has been seted up to the one end relative with vertical wire place face on the connector, set up on the connector with the screw hole of the perpendicular intercommunication of wire guide, through the bolt with the coupling assembling's of below vertical wire lock in the wire guide, realize from this that the connection between a plurality of coupling assembling, the vertical wire that is located the coupling assembling of top is connected and is fixed on the crossbeam.

Further, the montant is two hollow round bars that cup joint, and scalable regulation length locks through the locking bolt that sets up on the montant in the outside.

Furthermore, the crossbeam is sleeved with a sliding sleeve, the hook is arranged on the sliding sleeve, and the sliding sleeve is locked on the crossbeam through a locking bolt.

Further, the beam is an insulator.

Furthermore, the cross beam is sleeved with a circular ring-shaped conductor, and the vertical lead at the uppermost end of each group of connecting structures is connected to the circular ring-shaped conductor.

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

the utility model relates to a vase insulator withstand voltage test supporting structure can couple together the wire insulator on odd number and the even number position respectively through this structure, organizes the implementation withstand voltage test to odd number group and even number respectively, has realized once testing a plurality of insulators, changes the support height as required, can conveniently adjust, and the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of a withstand voltage test rack structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection assembly according to an embodiment of the present invention;

fig. 3 is a schematic connection diagram of a plurality of connection assemblies according to an embodiment of the present invention;

in the figure: 1. a cross beam; 2. a vertical rod; 3. a base; 4. a sliding sleeve; 5. a linker; 6. a transverse wire; 7. a vertical wire; 8. an insulator; 9. the vertical rod locks the knob; 10. a wire guide hole; 11. and a wire locking knob.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, the utility model provides a vase insulator 8 withstand voltage test supporting structure, including support and packet connectivity structure, the support includes base 3, montant 2 and crossbeam 1, and two montants 2 set up on two bases 3 respectively perpendicularly, and crossbeam 1 is the insulator, and crossbeam 1 level sets up and connects at two montant 2 other ends, and the interval is provided with a plurality of vertical decurrent couples on crossbeam 1, the couple is used for hanging the insulator 8 of the examination of awaiting measuring of vertical series connection, and packet connectivity structure is including the first connection structure that is used for the wire to connect the insulator 8 of odd number position to and be used for the wire to connect the second group connection structure of the insulator 8 of even number position, and the one end of the first group and the second group connection structure is all fixed on crossbeam 1. When the insulator 8 voltage withstand test needs to be carried out, a plurality of insulators 8 are connected in series and hung on a hook arranged on the cross beam 1, and when one group of connecting structures is connected with a high-voltage lead, the other group of connecting structures is grounded. For example, when it is necessary to perform a withstand voltage test on the insulators 8 at odd-numbered positions, the output terminal of the device for applying voltage is connected to the first group of connection structures through the high-voltage lead, and the second group of connection structures is grounded through the ground line, whereby the withstand voltage test can be performed on each of the insulators 8 at odd-numbered positions. On the contrary, when the insulator 8 at the even number position needs to be subjected to the withstand voltage test, the high-voltage lead is connected with the second group of connecting structures, and at the moment, the first group of connecting structures are grounded through the grounding wire.

As a particularly preferred solution, each set of connection structures comprises a plurality of connection assemblies in series, said connection assemblies comprising a connection body 5, a transverse conductor 6 and a vertical conductor 7, the connecting body 5 is a square conductor, two mutually vertical surfaces of the connecting body 5 are respectively connected and fixed with a horizontal lead 6 and a vertical lead 7, the other end of the transverse lead 6 is connected with a corresponding insulator (for example, the transverse lead 6 is connected with a hook at the top of the corresponding insulator), one side of the connecting body 5 opposite to the surface of the vertical lead 7 is provided with a lead hole 10, the connecting body 5 is provided with a threaded hole vertically communicated with the lead hole 10, the vertical conductor 7 of the lower connecting component is locked in the conductor hole 10 through a conductor locking knob 11 (locking bolt), therefore, the connection among a plurality of connecting assemblies is realized, and the vertical lead 7 of the connecting assembly positioned at the uppermost end is fixedly connected on the cross beam 1.

It should be noted that, in the conventional insulator 8 withstand voltage test structure, the withstand voltage test is usually performed on the entire string of insulators 8, and the withstand voltage performance of each individual insulator 8 cannot be accurately represented. In addition, in the structure capable of simultaneously and individually testing a plurality of insulators 8 in the prior art, the insulators 8 at odd and even numbers are usually tested simultaneously, that is, a whole string of insulators 8 is tested without performing a grouping test, and once one or more insulators 8 in the string of insulators 8 are unqualified, a discharging condition occurs, and then adjacent insulators 8 are affected, so that the whole test needs to be performed again. The insulator 8 strings are grouped by the device, and the insulators 8 of the odd-number groups and the insulators of the even-number groups are respectively used as insulating isolation bodies of the other side, so that mutual interference during simultaneous testing is avoided, and in addition, if the tested insulators 8 have problems in the voltage-resistant process, the insulators 8 which are grounded can be isolated, so that other tested insulators 8 cannot be influenced, and the testing efficiency and effectiveness are improved.

It should also be noted that in the above embodiment, a plurality of insulators 8 may be connected in a string and suspended on the hooks of the beam, and the insulators may be insulator insulators commonly used in power systems, and each insulator itself has a top hook and a bottom hook for mounting. The insulator 8 at the uppermost end of a string of insulators is hung on the hook of the beam 1, the two groups of connecting structures are respectively arranged on two sides of each string of insulators 8, and the insulators 8 at odd and even positions on the string of insulators 8 are divided into two groups for connection through the connecting component. Further, the lengths of the transverse wires 6 and the vertical wires 7 can respectively correspond to the height difference between two adjacent insulators 8 in the insulators 8 and the distance between the insulator 8 string and the connecting assembly, so that the wiring is regular. And the support of current suspension type withstand voltage test all has the wire confusion, the condition of influence is responded to each other between the wire, this application's withstand voltage test supporting structure is fine has avoided this kind of condition, has guaranteed through coupling assembling that the wire can not be in disorder. In addition, the connection assembly can be rapidly completed among the connection assemblies, so that the wiring preparation time at the initial stage of testing is reduced, and the working efficiency is improved.

As the scheme of the preferred embodiment, the vertical rod 2 is two sleeved hollow round rods, the length of the vertical rod can be adjusted in a telescopic mode, and the vertical rod is locked through a vertical rod locking knob 9 (locking bolt) arranged on the vertical rod 2 on the outer side. The vertical rod 2 is of a telescopic adjusting structure, the height of the cross beam 1 and the ground can be adjusted, the height of the insulators 8 to be measured can be increased when the insulators are more, the number of the series insulators 8 hung on the cross beam 1 can be increased, and the vertical rod is convenient to adjust and use.

As the scheme of the preferred embodiment, the sliding sleeve 4 is sleeved on the beam 1, the hook is arranged on the sliding sleeve 4, the sliding sleeve 4 is locked on the beam 1 through the locking bolt, and when the voltage withstand test is carried out, the distance between two adjacent strings of insulators 8 is adjusted through the sliding sleeve 4, so that the distance is larger than the diameter of the insulators 8, and mutual discharging is avoided.

As the scheme of the preferred embodiment, the circular ring-shaped conductor is sleeved on the beam 1, and the vertical wire 7 of the connection assembly positioned at the uppermost end is connected to the circular ring-shaped conductor, that is, the vertical wire 7 is fixed with the beam 1 through the circular ring-shaped conductor.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a vase insulator withstand voltage test supporting structure, includes the support, the support includes base, montant and crossbeam, two the montant sets up perpendicularly respectively on two bases, the crossbeam level sets up and connects at two montant other ends, be provided with the couple that is used for hanging the insulator on the crossbeam, its characterized in that is provided with grouping connection structure, and grouping connection structure is including the first group connection structure that is used for the wire to connect the insulator of odd number position to and be used for the wire to connect the second group connection structure of the insulator of even number position, and the one end of first group and second group connection structure is all fixed on the crossbeam.

2. The support structure for the withstand voltage test of the porcelain insulator according to claim 1, wherein each group of connecting structures comprises a plurality of connecting assemblies connected in series, each connecting assembly comprises a connecting body, a transverse wire and a vertical wire, each connecting body is a square conductor, the two mutually perpendicular surfaces of each connecting body are respectively connected with the transverse wire and the vertical wire, one end, opposite to the surface where the vertical wire is located, of each connecting body is provided with a wire hole, each connecting body is provided with a threaded hole vertically communicated with the wire hole, the vertical wire of the connecting assembly below is locked in the wire hole through a bolt, connection among the plurality of connecting assemblies is achieved, and the vertical wire of the connecting assembly located at the uppermost end is fixedly connected to the beam.

3. The support structure for the withstand voltage test of the porcelain insulator according to claim 1, wherein the vertical rods are two sleeved hollow round rods, can be telescopically adjusted in length, and are locked by locking bolts arranged on the outer vertical rods.

4. The support structure for withstand voltage test of the porcelain insulator according to claim 1, wherein a sliding sleeve is sleeved on the cross beam, the hook is arranged on the sliding sleeve, and the sliding sleeve is locked on the cross beam through a locking bolt.

5. The porcelain insulator withstand voltage test stand structure according to claim 1, wherein the cross member is an insulator.

6. The support structure for withstand voltage test of porcelain insulator according to claim 1, wherein the cross beam is sleeved with a circular ring-shaped conductor, and the vertical wire at the uppermost end of each group of connecting structures is connected to the circular ring-shaped conductor.