CN219066519U - High-voltage test insulating cylinder for 35kV box transformer substation lightning arrester of new energy field station - Google Patents

Abstract

The utility model discloses a high-voltage test insulating cylinder of a 35kV box transformer arrester of a new energy station, which comprises a 35kV box transformer and an inclined mounting seat arranged at the left upper corner of an inner cavity of the 35kV box transformer, wherein one side of the inclined mounting seat is provided with a high-voltage side arrester body through a bolt, one end of the high-voltage side arrester body is provided with an arrester head end, the surface of the high-voltage side arrester body is sleeved with the insulating cylinder, and the inner side of the insulating cylinder is reliably contacted with the high-voltage side arrester body. According to the utility model, the insulating cylinder is sleeved on the surface of the high-voltage side arrester body, and the tensioning type fixation is realized through the hanging fixation assembly, so that the high-voltage side arrester body is effectively isolated from surrounding conductors, the head end of the arrester is arranged to have test conditions, the risk of removing and carrying the arrester is effectively reduced, the labor cost is saved, the working time is shortened, and the power failure pre-test working efficiency of the 35kV fan case is remarkably improved.

Description

High-voltage test insulating cylinder for 35kV box transformer substation lightning arrester of new energy field station

Technical Field

The utility model belongs to the technical field of box transformer lightning protection, and particularly relates to a high-voltage test insulating cylinder of a 35kV box transformer lightning arrester of a new energy station.

Background

In the maintenance pre-test work of the electric equipment of the new energy station, the average power failure time of each wind farm is about 2-3 days, the maintenance pre-test team needs to rapidly and accurately complete the preventive test work of the electric equipment of the station in a short time, and in the process, the maintenance pre-test work of the 35kV wind farm with the most dispersed workload and high risk factors is performed.

The 35kV box transformer substation high-voltage side arrester is important protective equipment, because the 35kV fan cabinet transformer substation inner space is narrow and the arrester test needs to be boosted to about 80kV in direct current, the test safety distance is not provided, therefore, the test work needs to be configured with professional personnel to remove the arrester from a narrow box transformer substation high-voltage chamber and move to a place with test conditions for test, after the test is finished, the arrester is subsequently installed back to the box transformer substation high-voltage chamber position, so that the risk of not in place removing the installed arrester, the risk of carrying the arrester to collide with and the running safety risk are related between the repeated box transformer substation and a test special area of a vehicle in the process of the operation, and the working efficiency of the box transformer substation is not high because the worker is required to repeatedly switch the box transformer substation cabinet door.

Disclosure of Invention

The utility model aims to provide a high-voltage test insulating cylinder for a 35kV box transformer substation lightning arrester of a new energy station, which has the advantage of no-dismantling test and solves the problems of the background technology.

The technical scheme for solving the technical problems is as follows: the utility model provides a new energy station 35kV case becomes arrester high-voltage test insulating cylinder, it includes 35kV case becomes and sets up the oblique mount pad in the upper left corner of 35kV case becomes inner chamber, high-pressure side arrester body is installed through the bolt to one side of oblique mount pad, the one end of high-pressure side arrester body is provided with the arrester head end, the surface cover of high-pressure side arrester body is equipped with insulating cylinder, the inboard and the high-pressure side arrester body reliable contact of insulating cylinder, the surface of insulating cylinder is provided with articulates fixed subassembly, the staple bolt of articulated fixed subassembly including the cover established at insulating cylinder surface, the staple bolt passes through the surface of staple bolt fastening at insulating cylinder, the both sides on staple bolt surface all are provided with the side ear, be provided with scalable pendant on the side ear, the inner chamber fixed mounting of 35kV case becomes has two steel columns with scalable pendant looks adaptation.

Preferably, the telescopic hanging piece comprises a fixed pipe, the inner cavity of the fixed pipe is connected with a threaded column in a sliding mode, and one end of the threaded column is welded with a hanging ring which is hung on the steel column.

Preferably, a movable ring is welded on one side of the fixed pipe, and the movable ring moves in the inner cavity of the side ear.

Preferably, the end part of the surface of the fixed pipe is rotationally connected with a hexagonal thread sleeve, and the hexagonal thread sleeve is in threaded connection with the threaded column.

Preferably, the inner wall of the anchor ear is embedded and fixedly connected with an insulating rubber strip.

Preferably, the inner diameter of the insulating cylinder is 17.5cm, and the wall thickness is 0.5cm.

1. The beneficial effects of the utility model are as follows: according to the utility model, the insulating cylinder is sleeved on the surface of the high-voltage side arrester body, and the tensioning type fixing is realized through the hanging fixing component, so that the high-voltage side arrester body is effectively isolated from surrounding conductors, the head end of the arrester is treated to have test conditions, the risk of the arrester dismantling handling operation is effectively reduced, the labor cost is saved, the working time is shortened, the pre-test working efficiency of the 35kV fan case changing power failure is obviously improved, the purpose of dismantling-free test is achieved, the problem that the 35kV fan case changing high-voltage side arrester is an important protective device is solved, and because the 35kV fan case changing inner space is narrow, the arrester test needs to be boosted to about 80kV in direct current, the test safety distance is not provided, therefore, special personnel are required to be configured for the test, the arrester is dismantled from the narrow case changing high-voltage chamber to a place with test conditions, the arrester is then reinstalled to the case changing high-voltage chamber position after the test is finished, the situation that the dismantling arrester is not in place risk, the arrester is in place, the arrester is in a state of being reinstalled in a state, the arrester is collided with the case and the vehicle is in a state, the case of being broken, and the vehicle is in a state, the high-voltage safety switch is required to be repeatedly carried out, and the problem of the high-voltage case is caused, and the high-safety switch is required to be repeatedly carried out, and the high-voltage case is required to be a high-safety case.

2. According to the utility model, through the arrangement of the hooking and fixing assembly, after the anchor ear is fixed on the surface of the insulating cylinder through the bolt, the friction force of the anchor ear fixed on the surface of the insulating cylinder is increased by the insulating rubber strip on the inner side of the anchor ear, the firmness of the anchor ear fixed on the surface of the insulating cylinder is improved, then the insulating cylinder is sleeved on the surface of the high-voltage side lightning arrester body, so that one end of the insulating cylinder is abutted against the inclined mounting seat, then the movable ring moves in the inner cavity of the side ear, so that the hanging ring is sleeved on the steel column, then the hexagonal thread sleeve is screwed, and the threaded column is in threaded connection with the hexagonal thread sleeve, so that the inner cavity of the threaded column is fixedly connected with the inner cavity of the pipe until the hanging ring is firmly hung on the surface of the steel column, and the tensioning type fixing can be realized, so that the insulating cylinder is firmly fixed.

Drawings

Wherein:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

fig. 2 is a schematic perspective view illustrating a hooking and fixing assembly according to an embodiment of the utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. 35kV box transformer substation, 2, oblique mount pad, 3, high-voltage side arrester body, 4, arrester head end, 5, insulating cylinder, 6, the fixed subassembly of articulates, 61, staple bolt, 62, bolt, 63, side ear, 64, fixed pipe, 65, go-between, 66, screw thread post, 67, link, 68, steel column, 69, hexagonal thread bush.

Detailed Description

Hereinafter, an embodiment of the new energy station 35kV tank transformer arrester high-voltage test insulation cylinder of the present utility model will be described with reference to the accompanying drawings.

Embodiment one:

fig. 1-2 show a new energy station 35kV box-type lightning arrester high-voltage test insulating cylinder of an embodiment of the utility model, which comprises a 35kV box-type 1 and an oblique mounting seat 2 arranged at the left upper corner of the inner cavity of the 35kV box-type 1, wherein one side of the oblique mounting seat 2 is provided with a high-voltage side lightning arrester body 3 through bolts, one end of the high-voltage side lightning arrester body 3 is provided with a lightning arrester head end 4, the surface of the high-voltage side lightning arrester body 3 is sheathed with the insulating cylinder 5, the inner side of the insulating cylinder 5 is reliably contacted with the high-voltage side lightning arrester body 3, the surface of the insulating cylinder 5 is provided with a hanging and fixing component 6, the hanging and fixing component 6 comprises a hoop 61 sheathed on the surface of the insulating cylinder 5, the hoop 61 is fastened on the surface of the insulating cylinder 5 through bolts 62, both sides of the surface of the hoop 61 are provided with side lugs 63, the inner cavity of the 35kV box-type 1 is fixedly provided with two steel posts 68 which are matched with the telescopic hanging pieces, the telescopic hanging piece comprises a fixed pipe 64, a threaded column 66 is slidingly connected with the inner cavity of the fixed pipe 64, a hanging ring 67 which is hung on a steel column 68 is welded at one end of the threaded column 66, a movable ring 65 is welded at one side of the fixed pipe 64, the movable ring 65 moves in the inner cavity of a side lug 63, a hexagonal thread sleeve 69 is rotationally connected with the end part of the surface of the fixed pipe 64, the hexagonal thread sleeve 69 is in threaded connection with the threaded column 66, after the anchor ear 61 is fixed on the surface of an insulating cylinder 5 through a bolt 62 through the arrangement of a hanging fixing component 6, the insulating cylinder 5 is sleeved on the surface of a high-voltage side lightning arrester body 3, one end of the insulating cylinder 5 is propped against an inclined mounting seat 2, then the hanging ring 67 is sleeved on the steel column 68 through the movable ring 65, the hexagonal thread sleeve 69 is screwed, as the threaded column 66 is in threaded connection with the hexagonal thread sleeve 69, the threaded column 66 slides relative to the inner cavity of the fixed tube 64 until the hanging ring 67 is firmly hung on the surface of the steel column 68, so that the tensioning type fixation can be realized, and the insulating cylinder 5 is firmly fixed.

Embodiment two:

fig. 1-2 show a new energy station 35kV tank transformer arrester high-voltage test insulation cylinder according to an embodiment of the present utility model, which includes a 35kV tank transformer 1 and an oblique mounting seat 2 disposed at the upper left corner of the inner cavity of the 35kV tank transformer 1, one side of the oblique mounting seat 2 is provided with a high-voltage side arrester body 3 through a bolt, one end of the high-voltage side arrester body 3 is provided with an arrester head end 4, the surface of the high-voltage side arrester body 3 is sleeved with an insulation cylinder 5, the inner diameter of the insulation cylinder 5 is 17.5cm, the wall thickness is 0.5cm, the inner side of the insulation cylinder 5 is reliably contacted with the high-voltage side arrester body 3, the surface of the insulation cylinder 5 is provided with a hanging fixing component 6, the hanging fixing component 6 includes a hoop 61 sleeved on the surface of the insulation cylinder 5, the inner wall of the hoop 61 is fixedly connected with an insulation rubber strip, the friction force of the inner side of the hoop 61 is increased, the firmness of the hoop 61 fixed on the surface of the insulation cylinder 5 is improved, the hoop 61 is fastened on the surface of the insulation cylinder 5 through a bolt 62, the two sides of the hoop 61 are provided with telescopic hanging pieces of the inner cavity 63, and the telescopic hanging pieces are provided with two telescopic hanging pieces of the inner cavity 63 and can be arranged on the two sides of the inner cavity of the insulation cylinder 35.

Working principle: when the lightning arrester is used, a user sleeves the anchor ear 61 on the end part of the surface of the insulating cylinder 5 and fastens the anchor ear 61 through the bolt 62, the insulating cylinder 5 is sleeved on the surface of the high-voltage side lightning arrester body 3, then the movable ring 65 moves in the inner cavity of the side lug 63 to enable the hanging ring 67 to be sleeved on the steel column 68, then the hexagonal threaded sleeve 69 is screwed, the threaded column 66 is in threaded connection with the hexagonal threaded sleeve 69, the inner cavity of the fixing tube 64 is enabled to slide until the hanging ring 67 is firmly hung on the surface of the steel column 68, tensioning type fixing can be achieved, the insulating cylinder 5 is firmly fixed, the insulating cylinder 5 can be installed on the surface of the high-voltage side lightning arrester body 3, the high-voltage side lightning arrester body 3 and surrounding conductors are effectively isolated, and the lightning arrester head end 4 can be provided with test conditions.

To sum up: this new energy station 35kV case becomes arrester high voltage test insulating cylinder is through sheaving an insulating cylinder 5 in the surface of high-pressure side arrester body 3 to realize taut fixed through articulated fixed subassembly 6, make high-pressure side arrester body 3 and conductor around form effective isolation, handle out arrester head end 4 and can possess test condition, effectively reduced arrester demolishs handling operation risk and saving human cost, shortened operating time, showing the 35kV fan case and having become the power failure pre-test work efficiency, can reach the purpose of demolishing exemption test, it is important protective apparatus to have solved 35kV case and become high-pressure side arrester, because of 35kV fan case becomes that inner space is narrow and small and arrester test need be gone on to direct current 80kV, do not possess test safety distance, therefore, this test work needs to dispose special personnel with the arrester, demolish down from narrow and move to possessing test condition's place and carry out test, the arrester process is reinstalled to the case and becomes high-pressure room position after the test, cause in this operation to have demolishd the arrester and have no danger to bump the arrester to the high-voltage room position, the arrester is turned into the high-voltage room position, the problem that the arrester is difficult to be carried out repeatedly, the high-speed laboratory and the problem that the car is difficult to change the high-speed laboratory is caused to the high-speed laboratory, the risk is related to the high-speed laboratory.

Claims (6)

1. New energy station 35kV case becomes arrester high-voltage test insulating cylinder, a serial communication port, including 35kV case becomes (1) and sets up oblique mount pad (2) in the upper left corner of 35kV case becomes (1) inner chamber, high-pressure side arrester body (3) are installed through the bolt to one side of oblique mount pad (2), the one end of high-pressure side arrester body (3) is provided with arrester head end (4), the surface cover of high-pressure side arrester body (3) is equipped with insulating cylinder (5), the inboard and the high-pressure side arrester body (3) reliable contact of insulating cylinder (5), the surface of insulating cylinder (5) is provided with articulates fixed subassembly (6), articulate fixed subassembly (6) including the cover and establish in the surperficial hoop (61) of insulating cylinder (5), hoop (61) are fastened on the surperficial both sides of insulating cylinder (5) through bolt (62), both sides on the surperficial side hoop (61) all are provided with side ear (63), be provided with flexible pendant (68) of flexible box (1) and flexible looks flexible.

2. The high-voltage test insulating cylinder for the 35kV box transformer substation lightning arrester of claim 1, wherein the telescopic hanging piece comprises a fixed pipe (64), a threaded column (66) is slidably connected to an inner cavity of the fixed pipe (64), and a hanging ring (67) hung on a steel column (68) is welded at one end of the threaded column (66).

3. The high-voltage test insulating cylinder for the 35kV box transformer substation lightning arrester of the new energy station according to claim 2, wherein a movable ring (65) is welded on one side of the fixed pipe (64), and the movable ring (65) moves in the inner cavity of the side lug (63).

4. A new energy station 35kV tank transformer arrester high voltage test insulation cylinder according to claim 3, characterized in that the end of the surface of the fixed pipe (64) is rotatably connected with a hexagonal threaded sleeve (69), and the hexagonal threaded sleeve (69) is in threaded connection with a threaded column (66).

5. The high-voltage test insulation cylinder for the 35kV box transformer substation lightning arrester of the new energy station according to claim 4, wherein an insulation rubber strip is fixedly connected with the inner wall of the anchor ear (61) in an embedded mode.

6. The high-voltage test insulation cylinder for the 35kV box transformer substation lightning arrester of the new energy station according to claim 5, wherein the inner diameter of the insulation cylinder (5) is 17.5cm, and the wall thickness is 0.5cm.

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