CN219180358U - Transformer coil gumming device - Google Patents

Abstract

The utility model provides a transformer coil gumming device which comprises a gumming pool (1) and a gumming mechanism, wherein the gumming mechanism is lower than the gumming pool in height, a hanging bracket (2) for supporting a transformer coil is hung in the gumming pool, a vibrator (3) is arranged on the outer wall of the bottom of the gumming pool, a glue overflow hole (4) is formed in the gumming pool, the glue overflow hole is communicated with the gumming mechanism, the gumming mechanism comprises a plurality of gumming grooves (5) and rubber guide pipes, the side walls of two adjacent gumming grooves are communicated through the rubber guide pipes, the heights of the gumming grooves in the direction away from the gumming pool are gradually reduced, and a glue discharging opening (6) is formed in the bottoms of the gumming pool and the gumming grooves. According to the utility model, a vibration mode is adopted in the gum dipping process, so that the gum solution is promoted to permeate into a coil gap, and the gum dipping uniformity is improved; when the coil is placed in the dipping tank, rising glue flows into the glue dripping mechanism through the glue overflow hole, so that the insulation glue is prevented from overflowing; the glue draining mechanism enables the coil to be drained in time, and the insulating glue is led out to the lower-level glue draining groove through the glue guiding pipe, so that overflow is avoided.

Description

Transformer coil gumming device

Technical Field

The utility model relates to the technical field of transformers, in particular to a transformer coil gumming device.

Background

The transformer plays an important role in the whole power system, and plays a role in converting electric energy by the power system and an intermediate junction. The transformer is one of the core elements in the power system, so that the safe operation of the transformer is directly related to the quality of the whole power system and also affects the safety of the whole power system. If a short-circuit accident occurs in the operation process of the transformer, the transformer can cause great harm to the whole power system, so that normal electricity utilization is affected, and even property loss and safety accidents are caused. Therefore, the quality of the transformer is required to be improved, the short-circuit resistance is improved, and the normal operation of the transformer is effectively ensured so as to ensure the normal operation of the whole power system.

The common cause of short circuit of the transformer is that the insulation part in the power supply system is damaged, so that the integral strength of the transformer coil is required to improve the burst short circuit resistance of the transformer, and the transformer coil is generally treated by adopting insulating glue with excellent insulating property to carry out a glue dipping process. The existing dipping technology adopts a dipping tank to dip, and when a coil is placed in the dipping tank filled with epoxy glue, insulating glue can overflow outwards, so that waste and workshop environment pollution are caused. Because the structure of the transformer coil is compact, the problems of insufficient coil gap dipping and poor insulation effect can occur in the dipping process; in addition, the existing dipping process does not enable redundant insulating glue on the coil to drop fully, a plurality of beads can be generated on the surface of the coil after the insulating glue is solidified, and the beads can block an air passage to influence the heat dissipation of the transformer, so that the temperature rise value of the transformer is improved, and the usability of the transformer is reduced.

The utility model discloses a dipping and glue dripping device for dipping a transformer coil, which is disclosed as CN113909065U, and the utility model is characterized in that a glue dipping chamber for storing glue and an inclined guide plate are arranged, after the coil is dipped, the coil can be placed on a glue dripping frame, the excessive glue attached to the coil naturally drips under the action of gravity, and then the glue returns to the glue dipping chamber through the inclined guide plate, so that a plurality of beads cannot be generated on the surface of the coil, thereby the glue dipping is sufficient, namely the temperature rise of the transformer is not influenced by the blockage of an air passage, and the returned glue can be reused, so that the cost is saved. However, the utility model does not solve the problems of insufficient coil gap gum dipping and poor insulation effect in the gum dipping process.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a device for dipping a transformer coil, which is used for solving the problems that the insulating glue is easy to overflow and the coil dipping is insufficient in the process of dipping the transformer coil, the excessive insulating glue cannot be dropped sufficiently after dipping, and the beads are easy to be generated after solidification.

To achieve the above and other related objects, the present utility model is achieved by comprising the following technical solutions.

The utility model provides a transformer coil gumming device which comprises a gumming pond and a gumming mechanism, wherein the gumming mechanism is lower than the gumming pond in height, a hanger for supporting a transformer coil is hung in the gumming pond, a vibrator is arranged on the outer wall of the bottom of the gumming pond, a glue overflow hole is formed in the side wall of an opening of the gumming pond and communicated with the gumming mechanism, the gumming mechanism comprises a plurality of gumming grooves and rubber guide pipes, the side walls of two adjacent gumming grooves are communicated through the rubber guide pipes, the heights of the gumming grooves in the direction away from the gumming pond are gradually reduced, and glue discharging openings are formed in the bottoms of the gumming pond and the gumming grooves.

In the above-mentioned technical scheme of this application, with the transformer coil vertical put in the gallows when the impregnation, because the unsettled setting of gallows can make transformer coil bottom also fully contact with the insulating glue. In the dipping process, the vibrator is ensured to be in a vibration mode, so that the penetration of glue solution into a coil gap can be promoted, the uniformity of dipping is improved, the insulating property is improved, and the short-circuit resistance of the transformer is further improved. When the coil is placed in the dipping tank, the glue solution rising instantly can flow into the glue dripping mechanism through the glue overflow hole, so that the phenomenon that insulating glue overflows outwards to cause waste and pollute the workshop environment is prevented. In actual production process, generally just glue with a plurality of coils simultaneously, the rubberizing mechanism that communicates each other and reduce step by step in this application both can make the coil after the rubberizing is accomplished in time by the waterlogging caused by excessive rainfall, prevents that unnecessary insulating glue from forming the tumour pearl on coil surface, can in time derive the insulating glue of a plurality of coil whereabouts to the lower grade in the rubberizing groove through the rubber guiding pipe again, avoids spilling over from the rubberizing groove. When the insulating glue dropped in the glue dripping plate is too little, the insulating glue can be directly discharged through the glue discharging port at the bottom, the recycling bin can be placed under the glue discharging port, and the recycling bin can be recycled, so that the cost is saved.

Preferably, a sealing cover is arranged at the top of the gum leaching groove, and an exhaust hole is arranged on the side wall of the opening of the gum leaching tank. The insulating adhesive has a certain smell, and the sealing cover can prevent a large amount of smell from escaping; however, if air exists in the insulating paint in the dipping process, the dipping is uneven, and the design of the exhaust holes can timely remove a small amount of air in the insulating paint, so that the dipping effect is ensured.

Preferably, the side wall of the glue draining groove is provided with a glue inlet and a glue outlet, one end of the glue guiding pipe is communicated with the glue outlet, and the other end of the glue guiding pipe is communicated with the glue inlet of the lower glue draining groove.

Preferably, the height of the glue draining groove close to the glue dipping tank is lower than that of the glue dipping tank, an overflow pipe is arranged between the glue dipping tank and the glue draining groove close to the glue dipping tank, one end of the overflow pipe is communicated with the glue overflow hole, and the other end of the overflow pipe is communicated with a glue inlet of the glue draining groove.

Preferably, the two ends of the rubber guide pipe and the overflow pipe are respectively provided with a switching elbow, so that the stability of the connecting structure is ensured.

Preferably, the rubber guiding pipe and the overflow pipe are both arranged in a downward inclined mode, and the rubber guiding pipe and the overflow pipe adopt inclined arrangement to facilitate the flowing guiding of the insulating glue due to the fact that the insulating glue has certain viscosity and poor fluidity.

Preferably, the glue discharging port is connected with a glue discharging pipeline, so that the insulation glue dripped in the draining groove is conveniently collected through the recycling barrel, and the insulation glue is recycled for secondary use, so that the cost is saved.

Preferably, a vibration and noise reduction assembly is arranged around the bottom of the dipping tank, the vibration and noise reduction assembly comprises a vibration reduction spring and a rubber pad, and the rubber pad is arranged between the vibration reduction spring and the bottom surface of the dipping tank. The vibrator can produce noise and vibrations by a wide margin at vibration in-process, influences the operational environment in workshop, and damping spring and rubber pad's cooperation design both can absorb certain noise, can shock attenuation again, realizes the effect of vibration attenuation and noise reduction.

Preferably, the glue draining groove is internally provided with a glue draining frame, the glue draining frame is provided with a grid structure consisting of a plurality of support columns, and the support columns are suspended and erected between two opposite side walls of the glue draining groove. After the dipping, the coil is placed on the grid structure, and the dropped insulating glue can drop into the glue dipping groove from the grid.

Preferably, the hanging frame comprises a grid-shaped bottom plate and hanging arms arranged at four corners of the grid-shaped bottom plate, the end parts of the hanging arms are provided with hooks, and the hanging frame is hung in the dipping tank through the cooperation of the hooks and the edges of the opening of the dipping tank.

Preferably, an embedded steel plate is arranged below the dipping tank, the embedded steel plate comprises an embedded part and a fixed part, and the fixed part is 5-10 mm higher than the bottom surface; the pre-buried part is pre-buried in the ground, fixed part and the bottom surface of gum dipping pond all around fixed connection. The vibration of the vibrator can possibly lead to the displacement of the dipping tank, the pre-buried steel plate can further strengthen the dipping tank, and meanwhile, the vibration potential energy can be further transmitted to the ground to play a role in shock absorption.

Preferably, the number of the glue draining grooves is not less than two, so that excessive overflow of insulating glue in the glue draining grooves connected with the glue dipping grooves is prevented.

Preferably, a guide plate is arranged between the gum dipping tank and the gum dipping mechanism and between openings of adjacent gum dipping grooves, and the guide plate is obliquely arranged to prevent gum liquid from dripping from gaps to the ground when the coil is lifted, moved, placed and transferred.

As described above, the transformer coil gumming device of the present utility model has the following beneficial effects: when the transformer coil is immersed in the glue, the transformer coil is vertically placed in a hanging bracket which is arranged in a hanging manner, so that the bottom of the coil is fully contacted with the insulating glue; in the process of dipping, a vibration mode is adopted, so that the penetration of glue solution into a coil gap is promoted, the uniformity of dipping is improved, the insulating performance is improved, and the short-circuit resistance of the transformer is further improved; when the coil is placed in the dipping tank, the instantly rising glue solution can flow into the glue dripping mechanism through the glue overflow hole, so that the phenomena of waste and workshop environment pollution caused by outward overflow of the insulating glue are prevented; the coil after the completion of the dipping can be timely drained by the mutual communication and step-by-step lowering of the dipping mechanism, the redundant insulating glue is prevented from forming beads on the surface of the coil, and the insulating glue dropped by a plurality of coils can be timely guided out into a lower-level dipping groove through the rubber guiding pipe, so that overflow from the dipping groove is avoided.

Drawings

Fig. 1 shows a schematic structure of a transformer coil dipping device.

Fig. 2 shows a left side view of fig. 1.

Fig. 3 shows a top view of fig. 1.

Reference numerals illustrate: the device comprises a dipping tank 1, a hanging bracket 2, a vibrator 3, a glue overflow hole 4, a glue draining groove 5, a glue draining port 6, a sealing cover 7, an air draining hole 8, a glue inlet 9, a glue outlet 10, a glue draining pipeline 11, a vibration and noise reduction component 12, a glue draining frame 13, a grid-shaped bottom plate 14, a fixing part 15 and a guide plate 16.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 3. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

As shown in fig. 1 and 2, the utility model provides a transformer coil dipping device, which comprises a dipping tank 1 and a dipping mechanism with the height lower than that of the dipping tank, wherein a sealing cover 7 is arranged at the top of the dipping tank, an exhaust hole 8 is arranged on the side wall of the opening of the dipping tank, a hanging bracket 2 for supporting the transformer coil is hung in the dipping tank, a vibrator 3 is arranged on the outer wall of the bottom of the dipping tank, a glue overflow hole 4 is arranged on the side wall of the opening of the dipping tank, the glue overflow hole is communicated with the dipping mechanism, a guide plate 16 is arranged between the dipping tank and the dipping mechanism, the dipping mechanism comprises two dipping tanks 5 and a rubber guiding pipe with two ends provided with transfer elbows, an overflow pipe with two ends provided with transfer elbows is arranged between the dipping tank and the dipping tank near the dipping tank, one end of the overflow pipe is communicated with the overflow hole, and the other end of the overflow pipe is communicated with a glue inlet of the dipping tank. The side walls of two adjacent glue draining grooves are communicated through a glue guiding pipe, a guide plate 16 is arranged between openings of the two adjacent glue draining grooves, a glue inlet 9 and a glue outlet 10 are arranged on the side walls of the glue draining grooves, one end of the glue guiding pipe is communicated with the glue outlet, the other end of the glue guiding pipe is communicated with the glue inlet of the lower glue draining groove, and the glue guiding pipe and the overflow pipe are obliquely arranged downwards; the height of the gum dipping tank along the direction away from the gum dipping tank is gradually reduced, the bottoms of the gum dipping tank and the gum dipping tank are provided with a gum discharging port 6, and the gum discharging port is connected with a gum discharging pipeline 11. The bottom of the dipping tank is provided with a vibration/noise reduction component 12 around, the vibration/noise reduction component comprises a vibration damping spring and a rubber pad, and the rubber pad is arranged between the vibration damping spring and the bottom surface of the dipping tank. The hanger comprises a grid-shaped bottom plate 14 (see fig. 3) and hanging arms arranged at four corners of the grid-shaped bottom plate, wherein hooks are formed at the ends of the hanging arms, and the hanger is hung in the dipping tank through the cooperation of the hooks and the edges of the opening of the dipping tank. An embedded steel plate is arranged below the dipping tank and comprises an embedded part and a fixing part 15, and the fixing part is 5mm higher than the bottom surface; the pre-buried part is pre-buried in the ground, fixed part and the bottom surface of gum dipping pond all around fixed connection. As shown in fig. 3, the glue draining groove is internally provided with a glue draining frame 13, the glue draining frame is provided with a grid structure consisting of 6 support columns, and the support columns are suspended and erected between two opposite side walls of the glue draining groove.

The working principle of the utility model is as follows:

when the transformer coil is immersed in glue, the transformer coil is vertically placed in the hanging bracket 2, and the hanging bracket 2 is arranged in a hanging manner, so that the bottom of the transformer coil is placed on the grid-shaped bottom plate 14 and fully contacted with the insulating glue through grids; in the dipping process, the vibrator 3 is started, so that glue solution can be promoted to permeate into a coil gap, the dipping uniformity is improved, the insulating property is improved, the short-circuit resistance of the transformer is further improved, the vibration and noise reduction components 12 arranged at four corners of the dipping tank can absorb certain noise and absorb vibration, and the vibration and noise reduction effect is realized. The glue solution which rises instantly when the coil is placed in the glue dipping tank can flow into the first glue dipping tank 5 through the glue overflow holes 4, so that the insulation glue is prevented from overflowing outwards.

After the dipping is completed, the transformer coil is lifted by the crane to be placed in the tray by the lifting frame 2, then the coil is placed in the first glue draining groove 5 with the grid structure consisting of 6 support columns, so that redundant glue liquid is fully dropped into the first glue draining groove 5, and when the glue liquid in the first glue draining groove 5 is too much, the glue liquid can be guided out into the lower glue draining groove 5 through the glue guiding pipe, so that overflow from the glue draining groove is avoided. After the gum dipping is completed, residual insulating gum in the gum dipping tank 1 and the gum dipping mechanism can be discharged through a rubber discharging pipeline 11 and is collected by a recycling bin for recycling.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. The utility model provides a transformer coil gumming device, its characterized in that, including gumming pond (1) and the leaching mechanism that highly is less than the gumming pond, it is equipped with gallows (2) that are used for bearing transformer coil to hang in the gumming pond, gumming pond bottom outer wall is equipped with vibrator (3), the opening part lateral wall in gumming pond is equipped with spills glue hole (4), spills glue hole and leaching mechanism are linked together, the leaching mechanism includes a plurality of leaching groove (5) and rubber guide pipe, and the lateral wall in two adjacent leaching grooves is linked together through the rubber guide pipe, the leaching groove reduces step by step along the height of the direction of keeping away from the gumming pond, the bottom in leaching pond and leaching groove is equipped with row's glue mouth (6).

2. The transformer coil gumming device of claim 1, wherein: the top of the gum leaching groove is provided with a sealing cover (7), and the side wall of the opening of the gum leaching tank is provided with an exhaust hole (8).

3. The transformer coil gumming device of claim 1, wherein: the side wall of the glue draining groove is provided with a glue inlet (9) and a glue outlet (10), one end of the glue guiding pipe is communicated with the glue outlet, and the other end of the glue guiding pipe is communicated with the glue inlet of the lower glue draining groove.

4. A transformer coil gumming device according to claim 3, characterized in that: the height of the glue draining groove close to the glue dipping pond is lower than that of the glue dipping pond, an overflow pipe is arranged between the glue dipping pond and the glue draining groove close to the glue dipping pond, one end of the overflow pipe is communicated with the glue overflow hole, and the other end of the overflow pipe is communicated with a glue inlet of the glue draining groove.

5. The transformer coil gumming device of claim 4, wherein: two ends of the rubber guide pipe and the overflow pipe are respectively provided with a switching elbow; the rubber guide pipe and the overflow pipe are obliquely arranged downwards; the glue discharging port is connected with a glue discharging pipeline (11).

6. The transformer coil gumming device of claim 1, wherein: the bottom of the dipping tank is provided with a vibration/noise reduction component (12) all around, the vibration/noise reduction component comprises a vibration damping spring and a rubber pad, and the rubber pad is arranged between the vibration damping spring and the bottom surface of the dipping tank.

7. The transformer coil gumming device of claim 1, wherein: the glue draining groove is internally provided with a glue draining frame (13), the glue draining frame is provided with a grid structure consisting of a plurality of support columns, and the support columns are suspended and erected between two opposite side walls of the glue draining groove.

8. The transformer coil gumming device of claim 1, wherein: the hanger comprises a grid-shaped bottom plate (14) and hanging arms arranged at four corners of the grid-shaped bottom plate, wherein hooks are formed at the end parts of the hanging arms, and the hanger is hung in the dipping tank through the cooperation of the hooks and the edges of the opening of the dipping tank.

9. The transformer coil gumming device of claim 1, wherein: an embedded steel plate is arranged below the dipping tank and comprises an embedded part and a fixing part (15), and the fixing part is 5-10 mm higher than the bottom surface; the pre-buried part is pre-buried in the ground, fixed part and the bottom surface of gum dipping pond all around fixed connection.

10. The transformer coil gumming device according to any one of claims 1 to 9, characterized in that: the number of the glue draining grooves is not less than two; and a guide plate (16) is arranged between the gum dipping tank and the gum dipping mechanism and between openings of adjacent gum dipping tanks, and the guide plate is obliquely arranged.

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