Transformer sealing test device

Abstract

The utility model discloses a transformer sealing test device, which relates to the technical field of sealing detection appliances and comprises an oil groove, a filtering oil tank is arranged at the front end of the oil groove, and a plurality of filtering holes are formed in the lower end of one side of the filtering oil tank and connected with the inside of the oil groove. According to the utility model, through the cooperation of the supporting column, the synchronous motor, the screw rod and the lifting block, the whole transformer can be controlled to carry out lifting operation and the transformer can be supported and fixed conveniently, the convenience and accuracy of detection are improved, the leakage of the transformer can be detected in all directions, and the transformer is prevented from being subjected to excessive external damage; through the cooperation of the detection oil and the fluorescent agent, the leakage point of the transformer can be conveniently and quickly locked, and the detection efficiency is improved; through cooperation of the oil pump, the oil suction pipe, the oil inlet pipe and the pressure gauge, pressurization of the interior of the transformer and real-time detection of the internal pressure of the transformer are facilitated, the internal pressure detection efficiency is improved, and finally the problems that leakage points of the transformer are not easy to confirm and the transformer cannot ascend and descend are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealed detection appliance technical field especially relates to a transformer sealing test device. BACKGROUND

[0002] The transformer sealing test device is a device for detecting whether the transformer exists leakage, its principle is through filling into the gas or liquid higher than normal operation pressure in the transformer, makes the transformer to be in the pressure-bearing state, then observes the pressure change condition or checks whether there is leakage condition in the sealed part, main component includes the inflation, liquid system, pressure measurement system, sealed container etc., the existing transformer sealing test device in the using process, through the injection detection oil to the inside of transformer, increases the internal pressure of transformer, when the pressure reaches the test pressure, through the static state for a period of time, carries out the inspection leakage point to the transformer again, since the detection oil is colorless and the leakage point is small, and adopts the naked eye observation leakage point mostly, does not easily check the position of leakage point, secondly, the detection device can not carry out the all -round inspection to the transformer lifting, causes the difficulty of checking the bottom of transformer, adopts the auxiliary instrument to raise, such as crane, forklift and so on, is easy to make the transformer receive excessive external harm, therefore, needs to solve the above technical problem. CONTENT OF UTILITY MODEL

[0003] The utility model aims at solving the shortcomings in the prior art and provides a transformer sealing test device.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a transformer sealing test device, including the oil groove, the oil groove front end is equipped with the filter oil tank, a plurality of filter holes are set up in the filter oil tank one side lower extreme, the filter hole is connected with the oil groove inside.

[0005] Preferably, two support columns are vertically installed on both sides of the inner wall of the middle part of the oil groove at equal intervals, an installation groove is vertically formed in the middle part of the support column, a lead screw is vertically installed in the middle part of the installation groove, and one end of the lead screw is rotatably connected with the inner bottom surface of the support column.

[0006] Preferably, the other end of the lead screw penetrates through the top surface of the support column, a synchronous motor is installed on the top surface of the support column, and the drive shaft of the synchronous motor is connected with one end of the lead screw through a shaft coupling.

[0007] Preferably, a lifting block is installed on the middle part of the lower end of the lead screw, one end of the lifting block is threadedly connected with the lead screw, and the outer wall of the lifting block abuts against the inner wall of the installation groove of the support column.

[0008] Preferably, a transformer is installed on the upper end of the lifting block, an installation rack is arranged on the bottom surface of the transformer, the installation rack abuts against the top surface of the lifting block, and an oil inlet interface and an oil outlet interface are arranged on the top surface and the bottom surface of the front end of the transformer respectively.

[0009] Preferably, the filter oil tank top surface is longitudinally installed with an oil pump, one end of the oil pump is vertically installed with an oil suction pipe, one end of the oil suction pipe penetrates through the filter oil tank and is placed inside the filter oil tank, the other end of the oil pump is installed with an oil inlet pipe, the other end of the oil inlet pipe is connected with an oil inlet interface of the transformer, and a pressure gauge is installed at the middle of one end of the oil inlet pipe.

[0010] Compared with the prior art, the utility model has the advantages that: in the utility model, through the cooperation of the supporting column, the synchronous motor, the screw rod and the lifting block, the whole transformer can be conveniently controlled to perform lifting operation and be supported and fixed, the convenience and accuracy of detection are improved, the transformer leakage can be comprehensively checked, and the transformer is prevented from being damaged too much externally; through the cooperation of the detection oil and the fluorescent agent, the transformer leakage point can be quickly locked, and the detection efficiency is improved; through the cooperation of the oil pump, the oil suction pipe, the oil inlet pipe and the pressure gauge, the transformer interior can be conveniently pressurized and the internal pressure of the transformer can be conveniently detected in real time, the efficiency of detecting the internal pressure is improved, and finally the problems of transformer leakage point being difficult to confirm and the transformer being unable to be lifted are solved. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of the application and serve to explain the utility model together with the specification. The utility model is illustrated by the specific embodiments and their descriptions and do not constitute an improper limitation on the utility model. In the drawings:

[0012] Figure 1 It is an overall structure front view schematic drawing provided by the utility model;

[0013] Figure 2 It is an overall structure side view schematic drawing provided by the utility model;

[0014] Figure 3 It is a lifting device assembly schematic drawing provided by the utility model;

[0015] Figure 4 It is a lifting device internal structure schematic drawing provided by the utility model;

[0016] Figure 5 It is an overall structure horizontal cross section schematic drawing provided by the utility model.

[0017] In the drawing, serial number: 1, oil tank; 2, oil pump; 3, oil inlet pipe; 4, oil suction pipe; 5, pressure gauge; 6, synchronous motor; 7, screw rod; 8, transformer; 9, supporting column; 10, lifting block; 11, oil outlet interface. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are only a part of the embodiments of the present application, and are not all the embodiments.

[0019] Embodiment: see Figures 1-5 The utility model discloses a transformer sealing test device, including oil groove 1, be equipped with filter oil tank at oil groove 1 front end, be equipped with a plurality of filter holes at filter oil tank one side lower extreme, and filter hole is connected with oil groove 1 inside, the equal interval vertical installation of two support columns 9 is equipped with in the both sides inner wall of oil groove 1 middle part, the installation groove is equipped with in the middle part vertical of support column 9, the vertical installation of screw rod 7 is equipped with in the installation groove middle part, and the one end of screw rod 7 is rotatably connected with the inner bottom surface of support column 9, through the cooperation of filter hole, the detection oil used in the inside oil groove 1 is filtered and reflows into filter oil tank and circulates use conveniently.

[0020] In the utility model, the other end of screw rod 7 penetrates the top surface of support column 9, and the top surface of support column 9 is equipped with synchronous motor 6, and the driving shaft of synchronous motor 6 is connected with the one end of screw rod 7 through coupling, and the lower end middle part of screw rod 7 is equipped with lifting piece 10, and the one end of lifting piece 10 is threadedly connected with screw rod 7, and the outer wall of lifting piece 10 is abutted with the inner wall of the installation groove of support column 9, and the upper end of lifting piece 10 is equipped with transformer 8, and the bottom surface of transformer 8 is equipped with mounting bracket, and the mounting bracket is abutted with the top surface of lifting piece 10, and the top surface and bottom surface of transformer 8 front end are equipped with oil inlet interface and oil outlet interface 11 respectively, and the top surface of filter oil tank is longitudinally equipped with oil pump 2, and the one end of oil pump 2 is vertically equipped with suction pipe 4, and the one end of suction pipe 4 penetrates filter oil tank and is placed in its inside, and the other end of oil pump 2 is equipped with oil inlet pipe 3, and the other end of oil inlet pipe 3 is connected with the oil inlet interface of transformer 8, and the one end middle part of oil inlet pipe 3 is equipped with pressure gauge 5, through the cooperation of support column 9 and synchronous motor 6, the lifting of lifting piece 10 is controlled conveniently, through the cooperation of screw rod 7 and lifting piece 10, the support and fixed of transformer 8 are convenient, through the cooperation of oil pump 2, suction pipe 4 and oil inlet pipe 3, the detection oil in filter oil tank is sucked out and injected into the inside of transformer 8, through pressure gauge 5, the inside pressure of transformer 8 is detected in real time, and the inside of detection oil used this time contains fluorescent agent.

[0021] Working principle: in the utility model for use, first in using transformer sealed detection device, first pour into the oil tank 1 in proper amount detection oil, and add fluorescent agent in detection oil, simultaneously through starting synchronous motor 6, make screw rod 7 rotate to make lifting piece 10 move inside support column 9, when lifting piece 10 moves to the top end of support column 9, the mounting frame of transformer 8 is abutted with the top surface of lifting piece 10, simultaneously control synchronous motor 6 overturn, and transformer 8 is lowered to the middle part of oil tank 1, simultaneously start oil pump 2 through suction pipe 4 and filter oil tank inside detection oil is sucked and is injected into transformer 8 through oil inlet pipe 3, by continuously injecting detection oil in transformer 8, increase the internal pressure of transformer 8, by pressure gauge 5 real-time viewing the internal pressure of transformer 8, when pressure reaches test pressure, oil pump 2 stops working, after waiting for a certain period of time, by checking the pressure value of pressure gauge 5 whether drops, if pressure drops, by synchronous motor 6 forward drive screw rod 7, make lifting piece 10 slowly lift transformer 8, when transformer 8 rises to a certain height, by handheld ultraviolet lamp to the outside of transformer 8 is irradiated and is checked, when checking transformer 8 surface appears fluorescence, then can quickly confirm transformer 8 leak point, complete sealing test requirement.

[0022] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art in the technical range disclosed by the present application, according to the technical scheme of the present application and the utility model concept, equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A transformer tightness testing device comprising an oil tank (1), characterized in that: The oil tank (1) front end is provided with a filter oil tank, the filter oil tank one side lower end is provided with a plurality of filter holes, the filter hole is connected with the oil tank (1) inside, the oil tank (1) middle two sides inner wall is vertically installed with two support columns (9) at equal intervals, the support column (9) middle part is vertically provided with an installation groove, the installation groove middle part is vertically installed with a lead screw (7), the lead screw (7) one end is rotatably connected with the inner bottom surface of the support column (9).

2. The transformer sealing test device according to claim 1, characterized in that: The other end of the lead screw (7) penetrates the top surface of the support column (9), and the top surface of the support column (9) is provided with a synchronous motor (6).

3. The transformer sealing test device of claim 2, wherein: The drive shaft of the synchronous motor (6) is connected with one end of the lead screw (7) through a coupling.

4. The transformer sealing test device of claim 3, wherein: The lower end of the lead screw (7) is provided with a lifting block (10), one end of the lifting block (10) is threadedly connected with the lead screw (7), and the outer wall of the lifting block (10) abuts against the inner wall of the installation groove of the support column (9).

5. The transformer sealing test device of claim 4, wherein: The upper end of the lifting block (10) is provided with a transformer (8), and the bottom surface of the transformer (8) is provided with a mounting bracket, the mounting bracket abuts against the top surface of the lifting block (10), and the top surface and the bottom surface of the transformer (8) are respectively provided with an oil inlet interface and an oil outlet interface (11).

6. The transformer sealing test device of claim 1, wherein: The oil pump (2) is vertically installed on one end of the oil pump (2), and the oil pump (2) is vertically installed on one end of the oil pump (2). The oil pump (2) is provided with an oil inlet pipe (3) on the other end, and the other end of the oil inlet pipe (3) is connected with the oil inlet interface of the transformer (8), and the oil inlet pipe (3) is provided with a pressure gauge (5) on one end.

Images