CN212781075U

CN212781075U - Insulator alternating current withstand voltage test isolated plant

Info

Publication number: CN212781075U
Application number: CN202021721967.6U
Authority: CN
Inventors: 郭鹏飞; 刘小龙; 张俊; 张忠良; 孙明黎; 杜锦骥
Original assignee: China Railway Electrification Wuhan Design and Research Institute Co Ltd
Current assignee: China Railway Electrification Wuhan Design and Research Institute Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-03-23
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to an insulator alternating-current withstand voltage test isolated plant, including overhead pole, side insulating support, 1 at least lower bearing, lower bearing sets up in subaerial, and each side insulating support is fixed in the overhead pole, and one side of each lower bearing is equipped with the ground terminal, and the overhead pole is used for being connected with outside test terminal, and when the bottom of each insulator was spacing in lower bearing, the upper end of each insulator shelved on the overhead pole and compressed tightly fixedly with the overhead pole. The utility model discloses a design isolated plant for overhead pole, side insulating support and a complete set of device of bearing down, the device is direct to place the both ends of a plurality of insulators between overhead pole and the bearing down, need not to hang or manual kinking to the insulator, compares in traditional technical scheme, this kind of insulator exchanges withstand voltage test mode work efficiency and obtains promoting greatly and very laborsaving, its work efficiency is 6 to 8 times of traditional approach, and have get take convenient, be convenient for accomodate and characteristics such as transportation.

Description

Insulator alternating current withstand voltage test isolated plant

Technical Field

The utility model relates to a technical field of insulator, concretely relates to insulator alternating current withstand voltage test isolated plant.

Background

Insulators are devices that are mounted between conductors of different potentials or between a conductor and a ground potential member and are able to withstand the effects of voltage and mechanical stress. The insulating control is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various mechanical stresses caused by changes in environmental and electrical load conditions, otherwise the insulator will not function significantly and will compromise the service and operational life of the entire line.

Therefore, in the inspection and detection of the factory inspection and the electrical equipment handover test, the insulator product is allowed to be used only after meeting the product performance standard after the insulator voltage withstand test. However, in the prior art, a complete device for the alternating current withstand voltage test of the insulator is not provided, the insulator is generally hung by an insulating support, a lead is wound at the lower end of each insulator after the insulator is hung, the workload is quite complicated, and the gravity of a plurality of insulators causes the hanging support to be broken, so that the insulator is damaged. Furthermore, it is very cumbersome to wind the wires by either standing at least three insulators close together, grounding the lower end and applying a voltage to the upper end.

SUMMERY OF THE UTILITY MODEL

The utility model provides an insulator alternating-current withstand voltage test isolated plant has solved above technical problem.

The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides an insulator alternating-current withstand voltage test isolated plant, isolated plant includes overhead pole, 1 at least side insulating support, 1 at least lower bearing, lower bearing sets up on ground, each side insulating support is fixed in overhead pole, one side of each lower bearing is equipped with ground terminal, overhead pole is used for being connected with outside test terminal, when the bottom of each insulator is spacing in lower bearing, the upper end of each insulator is shelved on overhead pole and is compressed tightly fixedly with overhead pole, overhead pole (10) and lower bearing (30) are the electric conductor.

Furthermore, a plurality of clamping grooves used for positioning the bottom end of each insulator are arranged in each lower bearing seat.

Furthermore, the number of the lower bearing seats is 2, and the 2 lower bearing seats are respectively and symmetrically arranged on two sides of the upper rod.

Furthermore, the bottom of each lower bearing seat is provided with an adjusting screw thread piece for adjusting the height.

Furthermore, the number of the side insulating supports is 2, the 2 side insulating supports are respectively fixed at two ends of the upper rod, and the height of the side insulating supports can be adjusted.

Further, each side insulating support includes first dwang, second dwang and length adjustment device, the upper end of first dwang and the upper end of second dwang rotate concentrically and are fixed in on the overhead pole, be equipped with length adjustment device between first dwang, the second dwang, the lower extreme of first dwang and the lower extreme of second dwang set up subaerially.

Further, length adjustment device includes that first regulation pole and second are adjusted the pole, first regulation pole with the second is adjusted the pole and all is parallel with ground, the one end of first regulation pole is fixed in the second dwang, the one end of second regulation pole is fixed in first dwang, first regulation pole equidistance is equipped with a plurality of first locating holes, be equipped with a second locating hole on the second regulation pole, the second locating hole and each first locating hole is corresponding, will when the side insulating support is adjusted reasonable height, the second locating hole with one of them first locating hole coaxial line corresponds, can insert the bolt and make first regulation pole with the second is adjusted the pole reciprocal anchorage.

Furthermore, the special device also comprises a plurality of magnets, each magnet is fixed on the upper rod in an adsorption manner, and when the bottom end of each insulator is limited in the lower bearing seat, the upper end of each insulator is placed on the upper rod and is pressed and fixed with the upper rod through each magnet.

Further, the upper rod is a magnetic conductor.

Further, each side insulating support still includes upper strut and removal wheel, the upper end of first dwang and the upper end of second dwang rotate with one heart and be fixed in the lower extreme of upper strut, the upper end of upper strut is fixed in on the overhead pole, each the lower extreme of dwang is equipped with the removal wheel.

The utility model has the advantages that: the utility model provides an insulator alternating-current voltage withstand test isolated plant, through being overhead pole with the isolated plant design, a side insulating support reaches a complete set of device of bearing down, its simple structure of the device, design benefit, direct place the both ends of a plurality of insulators between overhead pole and bearing down, need not to hang or manual kinking to the insulator, compare in traditional technical scheme, this kind of insulator alternating-current voltage withstand test mode work efficiency obtains promoting greatly and very laborsaving, the work efficiency of using this insulator alternating-current voltage withstand test isolated plant to detect the insulator is 6 to 8 times of traditional approach, and have get take the convenience, be convenient for accomodate and characteristics such as transportation.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic perspective view of a special apparatus for an ac voltage withstand test of an insulator according to an embodiment of the present invention;

fig. 2 is a schematic front view of the special device for the alternating current withstand voltage test of the insulator shown in fig. 1;

fig. 3 is a schematic right view of the special device for the alternating current withstand voltage test of the insulator provided in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a dedicated device; 10. a rod is arranged; 20. a side insulating support; 21. an upper support rod; 22. a first rotating lever; 23. a second rotating lever; 24. a first adjusting lever; 25. a second adjusting lever; 26. a moving wheel; 30. a lower bearing seat; 31. a clamping groove; 40. adjusting the threaded member; 50. and a magnet.

Detailed Description

The principles and features of the present invention will be described with reference to fig. 1, 2 and 3 of the drawings, which are given by way of example only for the purpose of illustrating the invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, fig. 2, fig. 3, the utility model provides an insulator alternating current withstand voltage test isolated plant, isolated plant 100 includes overhead pole 10, 1 at least side insulating support 20, 1 at least lower bearing 30, lower bearing 30 sets up in subaerial, each side insulating support 20 is fixed in overhead pole 10, each one side of bearing 30 is equipped with ground terminal down, overhead pole 10 is used for being connected with external test terminal, when the bottom of each insulator spacing in lower bearing 30, the upper end of each insulator is shelved on overhead pole 10 and with overhead pole 10 compresses tightly fixedly, overhead pole 10 reaches lower bearing 30 is the electric conductor. The upper rod 10 is provided with a lead connecting terminal. Preferably, the wire connecting terminal is located at a middle position of the upper lever 10.

The embodiment of the invention provides the special device for the alternating current voltage withstand test of the insulator, the special device 100 is designed into a whole set of devices including the upper rod 10, the side insulating support 20 and the lower bearing 30, the device is simple in structure and ingenious in design, two ends of a plurality of insulators are directly placed between the upper rod 10 and the lower bearing 30, the insulators are not required to be hung or manually wound, and compared with the traditional technical scheme, the working efficiency of the alternating current voltage withstand test mode of the insulator is greatly improved and is labor-saving, the working efficiency of the insulator alternating current voltage withstand test special device for detecting the insulators is 6-8 times that of the traditional method, and the device has the characteristics of convenience in taking and storage and transportation.

Further, a plurality of positioning grooves 31 for positioning the bottom ends of the insulators are formed in each of the lower receiving seats 30. The lower shoe 30 may be designed as a channel steel.

The bottom ends of the insulators are positioned, so that the possibility of instant toppling in the electrified inspection and detection in the traditional method is avoided, electric power safety accidents caused by the possibility and sensory damage of the insulators of the porcelain pieces are avoided, the phenomena of gap discharge, arc discharge and the like in an alternating-current voltage withstand test caused by left-right swinging of the insulators are avoided, personal injury events and potential safety hazards of inspection and detection equipment are avoided, and deep insulation damage to the insulators caused by the defects of the traditional inspection and detection method is avoided.

Further, the number of the lower bearing seats 30 is 2, and the 2 lower bearing seats 30 are respectively and symmetrically located at two sides of the upper rod 10.

By respectively symmetrically arranging 2 lower bearing seats 30 on two sides of the upper rod 10, more insulators can be tested at one time.

Further, the bottom of both ends of each of the lower sockets 30 is provided with an adjusting screw 40 for adjusting the height.

The bottom of the two ends of the lower bearing seat 30 is provided with the adjusting screw members 40 for adjusting the height, so that the test is prevented from being interfered by shaking caused by uneven ground.

Further, the number of the side insulating supports 20 is 2, 2 side insulating supports 20 are respectively fixed at two ends of the upper rod 10, and the height of the side insulating supports 20 can be adjusted. Wherein the left and right sides insulating support can stretch out and draw back from top to bottom, in order to satisfy different insulator length. The number of the side insulating supports 20 is 2, and the 2 side insulating supports 20 are respectively fixed at two ends of the upper rod 10, so that the stability of the whole structure is enhanced.

Further, each side insulating support 20 includes first dwang 22, second dwang 23 and length adjustment device, the upper end of first dwang 22 and the upper end of second dwang 23 rotate concentrically and are fixed in on-position pole 10 is last, be equipped with length adjustment device between first dwang 22, the second dwang 23, the lower extreme of first dwang 22 and the lower extreme of second dwang 23 set up subaerially.

Further, length adjustment device includes that first regulation pole 24 and second are adjusted the pole 25, first regulation pole 24 with second regulation pole 25 all is parallel with ground, first regulation pole 24's one end is fixed in second dwang 23, second regulation pole 25's one end is fixed in first dwang 22, first regulation pole 24 equidistance is equipped with a plurality of first locating holes, be equipped with a second locating hole on the second regulation pole 25, the second locating hole and each first locating hole is corresponding, will when the side insulation support 20 is adjusted reasonable height, the second locating hole and one of them first locating hole coaxial line corresponds, can insert the bolt and make first regulation pole 24 with second regulation pole 25 reciprocal anchorage.

Further, the special device further comprises a plurality of magnets 50, each magnet 50 is fixed on the upper rod 10 in an adsorption manner, and when the bottom end of each insulator is limited in the lower bearing seat 30, the upper end of each insulator is placed on the upper rod 10 and is pressed and fixed with the upper rod 10 through each magnet 50. Of course, the upper end of each insulator can be pressed and fixed with the upper rod 10 by any other alternative equivalent technical scheme.

Fix this insulator through magnet, be convenient for dismantle the insulator.

Further, the upper rod 10 is a magnetic conductor.

By designing the upper rod 10 as a magnetic conductor, the repeated design of the magnet 50 is avoided, and the random adjustment of the distance and the position is facilitated.

Further, each side insulating support 20 still includes upper strut 21 and removes wheel 26, the upper end of first dwang 22 and the upper end of second dwang 23 concentric rotation are fixed in the lower extreme of upper strut 21, the upper end of upper strut 21 is fixed in on the overhead bar 10, the lower extreme of each dwang is equipped with removes wheel 26.

The special device is convenient to carry by arranging a moving wheel 26 at the lower end of each rotating rod.

The utility model discloses a concrete theory of operation and application method do: when the bottom end of each insulator is limited in the lower bearing seat 30, the upper end of each insulator is placed on the upper rod 10 and is pressed and fixed with the upper rod 10 through each magnet 50. One side of each lower bearing seat 30 is provided with a grounding terminal, and the upper rod 10 is used for being connected with an external test terminal, so that the test can be performed by applying high voltage to the upper rod 10.

In addition, the device is not only suitable for rod type and post insulators, but also suitable for suspension insulators, the suspension insulators are placed in the lower bearing seat 30 as shown in the drawing, the upper rod 10 at the upper end of the suspension support can be provided with a round hole with a test terminal, the test terminal is inserted into the round hole when the suspension insulators are detected, a lead is connected, and the other end of the lead is clamped to the ball head end of the suspension insulator by using a test alligator. Therefore, the detection test is safe and reliable, and the working efficiency is high.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The special device for the alternating current voltage withstand test of the insulator is characterized in that the special device (100) comprises an upper rod (10), at least 1 side insulating support (20) and at least 1 lower bearing (30), the lower bearing (30) is arranged on the ground, each side insulating support (20) is fixed on the upper rod (10), one side of each lower bearing (30) is provided with a grounding terminal, the upper rod (10) is used for being connected with an external test terminal, when the bottom end of each insulator is limited in the lower bearing (30), the upper end of each insulator is placed on the upper rod (10) and is pressed and fixed with the upper rod (10), and the upper rod (10) and the lower bearing (30) are all electric conductors.

2. The special device for the alternating current withstand voltage test of the insulator according to claim 1, wherein a plurality of clamping grooves (31) for positioning the bottom end of each insulator are arranged in each lower bearing seat (30).

3. The special device for the alternating current withstand voltage test of the insulator is characterized in that the number of the lower bearing seats (30) is 2, and the 2 lower bearing seats (30) are respectively and symmetrically arranged at two sides of the upper rod (10).

4. The special device for the alternating current withstand voltage test of the insulator is characterized in that the bottoms of the two ends of each lower bearing seat (30) are provided with adjusting screw parts (40) for adjusting the height.

5. The special device for the alternating current withstand voltage test of the insulator is characterized in that the number of the side insulating supports (20) is 2, 2 side insulating supports (20) are respectively fixed at two ends of the upper rod (10), and the height of each side insulating support (20) can be adjusted.

6. The special device for the alternating current withstand voltage test of the insulator is characterized in that each side insulating support (20) comprises a first rotating rod (22), a second rotating rod (23) and a length adjusting device, the upper end of the first rotating rod (22) and the upper end of the second rotating rod (23) are concentrically rotated and fixed on the upper rod (10), the length adjusting device is arranged between the first rotating rod (22) and the second rotating rod (23), and the lower end of the first rotating rod (22) and the lower end of the second rotating rod (23) are arranged on the ground.

7. The special device for the alternating current withstand voltage test of the insulator according to claim 6, the length adjusting device comprises a first adjusting rod (24) and a second adjusting rod (25), the first adjusting rod (24) and the second adjusting rod (25) are both parallel to the ground, one end of the first adjusting rod (24) is fixed on the second rotating rod (23), one end of the second adjusting rod (25) is fixed on the first rotating rod (22), a plurality of first positioning holes are equidistantly arranged on the first adjusting rod (24), a second positioning hole is arranged on the second adjusting rod (25) and corresponds to each first positioning hole, when the side insulating bracket (20) is adjusted to a reasonable height, the second positioning hole is coaxially corresponding to one of the first positioning holes, a plug may be inserted such that the first adjustment lever (24) and the second adjustment lever (25) are fixed to each other.

8. The special device for the alternating current withstand voltage test of the insulator is characterized by further comprising a plurality of magnets (50), wherein each magnet (50) is fixedly attached to the upper rod (10) in an adsorption manner, and when the bottom end of each insulator is limited in the lower bearing seat (30), the upper end of each insulator is placed on the upper rod (10) and is fixedly pressed with the upper rod (10) through each magnet (50).

9. The special device for the alternating current withstand voltage test of the insulator is characterized in that the upper rod (10) is a magnetic conductor.

10. The special device for the alternating current withstand voltage test of the insulator according to claim 7, wherein each side insulating support (20) further comprises an upper support rod (21) and a moving wheel (26), the upper end of the first rotating rod (22) and the upper end of the second rotating rod (23) are concentrically and rotatably fixed at the lower end of the upper support rod (21), the upper end of the upper support rod (21) is fixed on the upper rod (10), and the lower end of each rotating rod is provided with the moving wheel (26).