Transformer 66kV cable terminal box test device

Abstract

The utility model discloses a 66kV cable terminal box testing device for a transformer, and belongs to the technical field of transformer manufacturing. Comprising an oil tank, and a vertically-arranged oil-oil sleeve is fixedly installed on the oil tank; the cable socket is fixedly arranged on the cable socket ascending flanged base; the cable socket is electrically connected with the oil-oil sleeve through an operation lead; the test sleeve is vertically mounted on the test ascending flanged base; and the test sleeve is electrically connected with the cable socket through a test lead. According to the test device, in-plant test, overall transportation and field test can be realized without dismounting the transformer body connection; the cable socket ascending flanged base can meet installation and related tests of an oil sleeve, a cable socket and a test sleeve at the same time, operation is easy and convenient, and the installation and test requirements of a transformer are met.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer manufacturing, in particular to a transformer 66kV cable terminal box test device. Background Art

[0002] At present, the transformer adopts 66kV cable outlet, equipped with cable terminal box, and the transformer body is equipped with oil-oil bushing connected with cable socket; in order to meet the insulation distance requirements of the air side during the test, a test device is required. In the past, the test device needed to be installed during the factory test, and after the factory experiment was completed, it was transported to the site to install the bushing for field testing. At present, the test needs to be able to complete the factory test and the field test at the same time without removing the lead connection of the transformer body, and it needs to be able to meet the installation and related tests of the oil-oil bushing, cable socket and test device at the same time, while considering the structural strength and bottom support of the riser.

[0003] In view of the need to complete the low-voltage bushing test without removing the connecting leads of the product, it is urgent to design a transformer 66kV cable terminal box test device that is simple and convenient to operate and can meet the transformer installation and test requirements. Utility Model Content

[0004] The utility model aims to provide a transformer 66kV cable terminal box test device to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above purpose, the utility model provides the following solution: The utility model provides a transformer 66kV cable terminal box test device, including:

[0006] An oil tank, on which a vertically arranged oil casing is fixedly mounted;

[0007] A cable socket, wherein the cable socket is fixedly mounted on a cable socket elevation seat;

[0008] The cable socket is electrically connected to the oil casing through a running lead;

[0009] A test bushing is vertically mounted on a test riser; the test bushing is electrically connected to the cable socket via a test lead.

[0010] The cable socket elevation seat is fixedly connected to the side wall of the oil tank via an elevation seat bracket.

[0011] The running lead is fixedly mounted on the cable socket elevation seat through a lead fixing frame.

[0012] Two cable sockets are installed.

[0013] It also includes two transmission submarine cables, which are electrically connected to the two cable sockets respectively; the transmission submarine cables are placed under the cable sockets.

[0014] The cable socket elevation seat is also provided with a plurality of installation hand holes.

[0015] The utility model discloses the following technical effects: the test device can realize in-factory testing, overall transportation, and on-site testing without removing the transformer body connection; the cable socket elevation seat is realized to simultaneously meet the installation and related tests of the oil bushing, cable socket and test bushing, the operation is simple and convenient, and the transformer installation and testing requirements are met. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a side view of the overall structure of the utility model;

[0019] Among them, 1. Test casing; 2. Test riser; 3. Test lead; 4. Operating lead; 5. Oil casing; 6. Cable socket; 7. Riser bracket; 8. Installation hand hole; 9. Cable socket riser; 10. Lead fixing frame; 11. Transmission submarine cable. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] The utility model provides a transformer 66kV cable terminal box test device, comprising:

[0023] An oil tank, on which a vertically arranged oil casing 5 is fixedly mounted;

[0024] A cable socket 6, which is fixedly mounted on a cable socket elevation seat 9;

[0025] The cable socket 6 is electrically connected to the oil casing 5 through the running lead 4;

[0026] A test bushing 1 is vertically mounted on a test riser 2; the test bushing 1 is electrically connected to a cable socket 6 via a test lead 3.

[0027] The cable socket elevation seat 9 is fixedly connected to the side wall of the oil tank through the elevation seat bracket 7.

[0028] The running lead wire 4 is fixedly mounted on the cable socket elevation seat 9 through a lead wire fixing frame 10 .

[0029] Two cable sockets 6 are installed.

[0030] It also includes two transmission submarine cables 11 , which are electrically connected to the two cable sockets 6 respectively; the transmission submarine cables 11 are placed below the cable sockets 6 .

[0031] A plurality of mounting hand holes 8 are also provided on the cable socket elevation seat 9 .

[0032] In one embodiment of the present utility model, the cable socket 6 is a 66kV cable socket, such as Figure 1 As shown, the cable socket 6 is installed downward, and the two cable sockets 6 are connected to the oil casing 5 by the running lead 4 through the installation hand hole, so as to realize the electrical connection between the cable socket 6 and the oil casing 5. The running lead 4 is fixedly installed on the cable socket riser 9 by the lead fixing frame 10, and the cable socket can be tested for installation and sealing.

[0033] In one embodiment of the present invention, the test sleeve 1 is installed upwards. Figure 1 As shown, the connecting lead 3 is connected to the cable socket 6 by installing the hand hole 8, so that the electrical connection between the test bushing 1 and the cable socket 6 is realized, and transformer-related product tests can be performed.

[0034] In one embodiment of the utility model, a lifting seat bracket 7 is installed at the lower part of the cable socket lifting seat 9, which can support the cable socket lifting seat 9, the test lifting seat 2 and the test sleeve 1 at the same time.

[0035] In one embodiment of the utility model, the above-mentioned structural setting realizes that the cable socket lifting seat 9 can simultaneously meet the installation and related tests of the oil casing 5, the cable socket 6 and the test casing 1, which is simple and convenient to operate and meets the transformer installation and testing requirements.

[0036] In one embodiment of the utility model, when the submarine cable is subjected to pressure test on site, the test lead 3 is removed through the installation hand hole 8, and then the running lead 4 is respectively rotated outward by a certain angle through the installation hand hole 8 and fixed on the cable socket riser 9; the transmission submarine cable 11 is connected to the cable socket 6 to carry out the submarine cable pressure test.

[0037] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A transformer 66kV cable terminal box test device, characterized in that: include: An oil tank, on which a vertically arranged oil casing (5) is fixedly mounted; A cable socket (6), wherein the cable socket (6) is fixedly mounted on a cable socket elevation seat (9); The cable socket (6) is electrically connected to the oil casing (5) via a running lead (4); A test bushing (1), wherein the test bushing (1) is vertically mounted on a test elevation seat (2); the test bushing (1) is electrically connected to the cable socket (6) via a test lead (3).

2. A transformer 66kV cable terminal box test device according to claim 1, characterized in that: The cable socket elevation seat (9) is fixedly connected to the side wall of the oil tank via an elevation seat bracket (7).

3. A transformer 66kV cable terminal box test device according to claim 1, characterized in that: The running lead wire (4) is fixedly mounted on the cable socket elevation seat (9) via a lead wire fixing frame (10).

4. A transformer 66kV cable terminal box test device according to claim 1, characterized in that: Two cable sockets (6) are installed.

5. A transformer 66kV cable terminal box test device according to claim 4, characterized in that: It also comprises two transmission submarine cables (11), wherein the two transmission submarine cables (11) are electrically connected to the two cable sockets (6) respectively; the transmission submarine cables (11) are placed below the cable sockets (6).

6. A transformer 66kV cable terminal box test device according to claim 1, characterized in that: The cable socket elevation seat (9) is also provided with a plurality of installation hand holes (8).

Images