CN214705630U - Oil-immersed transformer protection casing - Google Patents

Abstract

The utility model relates to a power transformer technical field is an oil-immersed transformer protection casing particularly. Including the cover body, unpowered hood and support, unpowered hood passes through the pedestal mounting on the opening at cover body top, the support sets up at cover body top, is provided with transmission and bird repellent device on the support, unpowered hood passes through transmission and links to each other with bird repellent device, transmission includes the first conical gear with the coaxial setting of unpowered hood, with the second conical gear of first conical gear meshing, the fulcrum shaft of connecting second conical gear and pinion, with the gear wheel of pinion meshing, bird repellent device includes the striker, drives the U type pivot that the striker beaten the portion of making a sound, U type pivot one end fixed connection is on the gear wheel, and the other end links to each other with striker one end with the rotation mode. Not only can protect the transformer body, can also utilize unpowered hood to provide power for bird repellent device, make it send the sound of striking, drive birds.

Description

Oil-immersed transformer protection casing

The technical field is as follows:

the utility model relates to a power transformer technical field is an oil-immersed transformer protection casing particularly.

Background art:

the distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, and reduces 106kV or 35kV network voltage to 230/400V bus voltage used by users. An oil-immersed transformer is one type of distribution transformer, one part of the oil-immersed transformer is arranged on an outdoor telegraph pole, and on one hand, the transformer is often corroded by rainwater and the like in the use process of the oil-immersed transformer for a long time; on the other hand, in the outdoor use process, birds easily build bird nests on telegraph poles or equipment, and easily excrete excrement and urine on the equipment when birds perch, cause danger easily. At present, generally, a protective cover and a bird repelling device are additionally arranged outside a transformer in the prior art aiming at the problems, but because power elements inside the transformer continuously do work, the heat dissipation of the transformer is higher, the performance of the transformer is affected due to untimely heat dissipation, and the bird repelling device needs additional equipment to provide power source drive for the transformer and is complex in structure.

The utility model has the following contents:

in order to solve the technical problem, the utility model provides an oil-immersed transformer protection casing, the technical problem of solution is: carry out the heat dissipation with higher speed when external protection to the transformer to utilize the heat dissipation part to provide power for bird repellent device, for solving above-mentioned technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides an oil-immersed transformer protection casing, includes the cover body, unpowered hood and support, unpowered hood passes through the pedestal mounting on the opening at cover body top, the support sets up at cover body top, is provided with transmission and bird repellent device on the support, unpowered hood passes through transmission and links to each other with bird repellent device, transmission includes the first conical gear with the coaxial setting of unpowered hood, with the second conical gear of first conical gear meshing, the counter roll of connecting second conical gear and pinion, with the gear wheel of pinion meshing, bird repellent device includes the striker, drives the U type pivot of striker beating vocal portion, U type pivot one end fixed connection is on the gear wheel, and the other end links to each other with striker one end in a rotating manner.

Furthermore, the cover body is a box-type cube formed by assembling a top plate, a long side plate, a short side plate and a bottom plate, a plurality of cable penetrating holes are formed in the upper portion of the short side plate, and annular rubber gaskets are embedded in the cable penetrating holes.

Further, the bottom plate is a grid plate, and the grid plate is hinged with a long side plate.

Further, two rectangular openings are symmetrically formed in the bottoms of the short side plates.

Furthermore, the sound-emitting part is made of metal or alloy products, and is arranged on the bracket.

Further, the fulcrum shaft is connected with the bracket through a bearing.

The utility model has the advantages that: since the technical scheme is used, compared with the prior art, the utility model, not only can protect the transformer body of setting on outdoor wire pole, can also utilize unpowered hood to accelerate the air flow and cool down, simultaneously, unpowered hood provides power for bird repellent device and makes it send the sound of knocking, drives birds, prevents birds from building the bird's nest around wire pole or equipment, and it is better to drive the effect, has simple structure, installation convenient to use, low in manufacturing cost's advantage.

Description of the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the right-side view structure of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. the wind power generator comprises a support, 2, an unpowered hood, 3, a cover body, 4, a first bevel gear, 5, a second bevel gear, 6, a bearing, 7 support shafts, 8, a pinion, 9, a gearwheel, 10, a U-shaped rotating shaft, 11, a striker, 12, a sound generating part, 13 and a grid plate.

The specific implementation mode is as follows:

in order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will now be described in further detail with reference to fig. 1, fig. 2, fig. 3 and examples, so that the public can better master the method of implementing the present invention, and the specific embodiments of the present invention are:

the utility model provides an oil-immersed transformer protection casing, includes the cover body 3, unpowered hood 2 and support 1, unpowered hood 2 passes through the pedestal mounting on the opening at cover body 3 top, support 1 sets up at cover body 3 top, is provided with transmission and bird repellent device on the support 1, unpowered hood 2 passes through transmission and links to each other with bird repellent device, transmission includes first conical gear 4 with unpowered hood 2 coaxial setting, with the second conical gear 5 of first conical gear 4 meshing, the counter roll 7 of connecting second conical gear 5 and pinion 8, with the gear wheel 9 of 8 meshings of pinion, bird repellent device includes striker 11, the U type pivot 10 that the drive striker 11 beaten vocal portion 12, U type pivot 10 one end fixed connection is on gear wheel 9, and the other end links to each other with 11 one end of striker in a rotating manner.

The support is four stand columns connected with the cover body, the stand columns are connected through cross columns, and a cross beam is arranged between the cross columns.

The cover body is the box cube that forms by roof, long curb plate, short curb plate and bottom plate equipment, short curb plate upper portion is opened has a plurality of cable wear to establish the hole, the cable is worn to establish the hole embedding and is had the annular rubber packing ring.

The bottom plate is a grid plate 13, and the grid plate 13 is hinged with a long side plate.

Two rectangular openings are symmetrically arranged at the bottom of the short side plate.

The sound-emitting part 12 is made of metal or alloy, and the sound-emitting part 12 is arranged on the bracket 1.

The fulcrum 7 is connected to the bracket through a bearing 6.

The utility model discloses a theory of operation and working process as follows:

normally, the oil immersed transformer is placed on the support frame between two poles, when the utility model is installed, the rectangular opening on the short side plate is clamped on the support frame, the grid plate 13 is closed, the unpowered hood 2 utilizes the natural wind or the convection principle of the air inside and outside the hood body 3 to push the turbine of the fan to rotate, and further drives the first bevel gear 4 to rotate, the first bevel gear 4 drives the second bevel gear 5 through meshing, the second bevel gear 5 drives the pinion 8 to rotate through the fulcrum 7, the pinion is meshed with the gearwheel 9 to drive the gearwheel 9 to rotate anticlockwise, and further drives the U-shaped rotating shaft 10 to rotate, one end of the striker 11 is rotatably connected with the U-shaped rotating shaft 10, along with the rotation of the U-shaped rotating shaft 10, the side wall of the striker 11 contacts with the U-shaped rotating shaft 10 to further rotate, when the connecting end of the U-shaped rotating shaft 10 and the striker is positioned at the bottom of the gearwheel 9, the striker 11 rotates around the connecting part due to the self gravity, and then the sound is emitted by striking the sound emitting part 12 at the lower part of the bracket 1.

In describing the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Claims (6)

1. The utility model provides an oil-immersed transformer protection casing, includes the cover body (3), unpowered hood (2) and support (1), unpowered hood (2) are through pedestal mounting on the opening at cover body (3) top, support (1) set up at cover body (3) top, are provided with transmission and bird repellent device on support (1), unpowered hood (2) link to each other its characterized in that with bird repellent device through transmission: the transmission device comprises a first bevel gear (4) coaxially arranged with the unpowered hood (2), a second bevel gear (5) meshed with the first bevel gear (4), a support shaft (7) connected with the second bevel gear (5) and a pinion (8), and a gear wheel (9) meshed with the pinion (8), the bird repelling device comprises a striker (11) and a U-shaped rotating shaft (10) driving the striker (11) to knock a sounding part (12), one end of the U-shaped rotating shaft (10) is fixedly connected onto the gear wheel (9), and the other end of the U-shaped rotating shaft is connected with one end of the striker (11) in a rotating mode.

2. The oil-filled transformer shield according to claim 1, wherein: the cover body is the box cube that forms by roof, long curb plate, short curb plate and bottom plate equipment, short curb plate upper portion is opened has a plurality of cable wear to establish the hole, the cable is worn to establish the hole embedding and is had the annular rubber packing ring.

3. An oil-filled transformer shield according to claim 2, characterized in that: the bottom plate is a grid plate (13), and the grid plate (13) is hinged with a long side plate.

4. An oil-filled transformer shield according to claim 2, characterized in that: two rectangular openings are symmetrically arranged at the bottom of the short side plate.

5. The oil-filled transformer shield according to claim 1, wherein: the sound-emitting part (12) is made of metal or alloy products, and the sound-emitting part (12) is arranged on the support (1).

6. The oil-filled transformer shield according to claim 1, wherein: the fulcrum shaft (7) is connected with the bracket through a bearing (6).

Images