CN210123680U - Special three-phase dry-type transformer of irritating is carried to photovoltaic - Google Patents

Abstract

The utility model belongs to the technical field of electrical equipment, in particular to a special three-phase dry-type transformer for photovoltaic lift irrigation, which comprises a transformer shell, wherein an iron core winding is arranged in the transformer shell, an upper clamping piece and a lower clamping piece are respectively arranged at the top of the iron core winding, and the upper clamping piece and the lower clamping piece are both fixedly connected with the iron core winding; the vibrations rigidity is transmitted on bearing the vaulting pole, again through the steel sheet with the power dispersion, the effective area is bigger, make the steel sheet vibrations between the rubber pad, the multilayer rubber pad absorbs and weakens the vibrations that the steel sheet brought, because area of contact increases, so the vibration amplitude can reduce by a wide margin, absorb the vibration energy buffering on multilayer rubber pad, thereby make the support footstock vibrations of being connected with the cushion socket reduce by a wide margin, rubber can the amortization simultaneously, can reduce the transmission of vibrations and noise, guarantee the stability of transformer installed part installation, can not become flexible under long-term vibrations.

Description

Special three-phase dry-type transformer of irritating is carried to photovoltaic

Technical Field

The utility model belongs to the technical field of electrical equipment, concretely relates to special three-phase dry-type transformer is irrigated by lifting water to photovoltaic.

Background

The three-phase dry-type transformer is widely used for alternating current stabilized voltage power supply of electronic computers, precision machine tools, Computer Tomography (CT), precision instruments, experimental devices, elevators, import equipment and production lines of departments such as industrial and mining enterprises, post and telecommunications, textiles, railways, construction sites, schools, hospitals, hotels, national defense, scientific research and the like, and is also suitable for low-voltage power distribution with low power supply voltage and large fluctuation range.

Distribution transformer's noise mainly is produced by the vibration that iron core, winding arouse under the magnetic field effect, and the body installation of present indoor distribution transformer places the antivibration cushion in its basic steel below usually, but its shock attenuation effect is not obvious, if the transformer basis is connected with its bearing structure, can drive its fixed knot structure together vibrations, and long-term vibrations then can make it become flexible, influence safety.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a special three-phase dry-type transformer of photovoltaic lift irrigation has split type shock absorber seat, sets up damping device between with transformer and its mounting structure, keeps transformer mounting structure's stable characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a three-phase dry-type transformer special for photovoltaic lift irrigation comprises a transformer shell, wherein an iron core winding is installed inside the transformer shell, an upper clamping piece and a lower clamping piece are installed at the top of the iron core winding respectively, the upper clamping piece and the lower clamping piece are fixedly connected with the iron core winding, the iron core winding is in sliding connection with the transformer shell through the upper clamping piece and the lower clamping piece, supporting foot seats are further arranged at four corners of the bottom of the transformer shell, a shock absorption seat is installed at the joint of each supporting foot seat and the transformer shell and comprises a shock absorption seat shell, a bearing support rod, a rubber pad and a steel sheet, the shock absorption seat shell is fixedly welded at the top of each supporting foot seat, one end of each bearing support rod is fixedly connected with the transformer shell, and the other end of each bearing support rod penetrates through the shock absorption seat shell and extends into the shock absorption seat shell, the bearing support rod is close to one end inside the shock absorption seat shell and is fixedly provided with a plurality of steel sheets which are distributed in parallel, and the rubber pads are arranged between the steel sheets and the shock absorption seat shell at intervals.

Preferably, the rubber pad and the steel sheet are distributed in the shock absorption seat shell at intervals, and the rubber pad is arranged at the bottom of the shock absorption seat shell.

Preferably, the thickness of the rubber pad is larger than that of the steel sheet, and the steel sheet is welded and fixed with the bearing support rod.

Preferably, the bottom surface of the interior of the transformer shell is provided with a sliding rail, the sliding rail is fixedly connected with the transformer shell, the bottom of the lower clamping piece is rotatably provided with a pulley, and the lower clamping piece is slidably connected with the sliding rail through the pulley.

Preferably, the top of the transformer shell is further provided with a lifting ring, and the lifting ring is fixedly connected with the transformer shell in a threaded manner.

Preferably, a fan is arranged on the outer side wall of the lower clamping piece, the fan is distributed below the iron core winding, and the fan is fixedly connected with the lower clamping piece.

Compared with the prior art, the beneficial effects of the utility model are that:

install the cushion socket through the junction at support footstock and transformer housing, when transformer self produces vibrations, the vibrations rigidity is transmitted to on bearing the vaulting pole, will do all can the power dispersion through the steel sheet again, the effective area is bigger, make the steel sheet vibrate between the rubber pad, multilayer rubber pad absorbs and weakens the vibrations that the steel sheet brought, because area of contact increases, so the vibration range can reduce by a wide margin, absorb the vibration energy buffering on multilayer rubber pad, thereby make the support footstock vibrations of being connected with the cushion socket reduce by a wide margin, rubber can the amortization simultaneously, can reduce the transmission of vibrations and noise, guarantee the stability of transformer installed part installation, can not become flexible under long-term vibrations.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of the middle damper seat of the present invention;

fig. 3 is a schematic side sectional structure view of the present invention.

In the figure: 1. a transformer housing; 11. a hoisting ring; 12. a supporting foot seat; 13. a slide rail; 2. an iron core winding; 3. an upper clamp; 4. a lower clamp; 41. a pulley; 5. a fan; 6. a shock absorbing seat; 61. a damper housing; 62. a load bearing strut; 63. a rubber pad; 64. a steel sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a three-phase dry-type transformer special for photovoltaic lift irrigation comprises a transformer shell 1, an iron core winding 2 is installed inside the transformer shell 1, an upper clamping piece 3 and a lower clamping piece 4 are installed at the top of the iron core winding 2 respectively, the upper clamping piece 3 and the lower clamping piece 4 are fixedly connected with the iron core winding 2, the iron core winding 2 is in sliding connection with the transformer shell 1 through the upper clamping piece 3 and the lower clamping piece 4, supporting foot seats 12 are further arranged at four corners of the bottom of the transformer shell 1, a shock absorption seat 6 is installed at the joint of the supporting foot seats 12 and the transformer shell 1, the shock absorption seat 6 comprises a shock absorption seat shell 61, a bearing support rod 62, a steel sheet 63 and a steel sheet 64, the shock absorption seat shell 61 is fixedly welded at the top of the supporting foot seats 12, one end of the bearing support rod 62 is fixedly connected with the transformer shell 1, and the other end penetrates through, one end of the bearing support rod 62 close to the inside of the shock absorption seat shell 61 is fixedly provided with a plurality of steel sheets 64 which are distributed in parallel, and rubber pads 63 are arranged between the steel sheets 64 and the shock absorption seat shell 61 at intervals.

In the embodiment, the shock absorbing seat 6 is installed at the joint of the supporting foot seat 12 and the transformer housing 1, wherein the shock absorbing seat 6 comprises a shock absorbing seat housing 61, a bearing support rod 62, a rubber pad 63 and a steel pad 64, one end of the bearing support rod 62 close to the interior of the shock absorbing seat housing 61 is fixedly provided with a plurality of steel pads 64 distributed in parallel, the rubber pad 63 is installed between the steel pads 64 and the shock absorbing seat housing 61 at intervals, the bearing support rod 62 is used for supporting the weight of the whole transformer, the bottom of the bearing support rod 62 is provided with the steel pads 64 distributed uniformly in a layered manner, the steel pads 63 and the steel pads 64 are mutually overlapped and staggered and fixed in the interior of the shock absorbing seat housing 61, when the transformer vibrates, the vibration is rigidly transmitted to the bearing support rod 62, the force is dispersed through the steel pads 64, the acting area is larger, the steel pads 64 vibrate between the rubber pads 63, the multilayer rubber pad 63 absorbs and weakens the vibration brought by the steel sheet 64, and the vibration amplitude can be greatly reduced due to the increase of the contact area, so that the vibration energy is absorbed on the multilayer rubber pad 63 in a buffering manner, the vibration of the supporting foot seat 12 connected with the shock absorption seat 6 is greatly reduced, the rubber can be simultaneously silenced, the transmission of vibration and noise can be reduced, the installation stability of the transformer installation part is ensured, and the looseness under the long-term vibration can be avoided.

Specifically, rubber pad 63 and steel sheet 64 interval distribution are in the inside of cushion socket shell 61, set up the inside of distributing at cushion socket shell 61 through with rubber pad 63 and steel sheet 64 interval, when the transformer drives the vibrations with steel sheet 64 rigid connection's bearing support rod 62, the contact surface is bigger between steel sheet 64 and the rubber pad 63, absorb the vibrations energy buffering on multilayer rubber pad 63, thereby make the vibrations of the support footstock 12 of being connected with cushion socket 6 reduce by a wide margin, and the bottom of cushion socket shell 61 is rubber pad 63, can guarantee that bearing support rod 62 and steel sheet 64 can not with cushion socket shell 61 rigid contact, but through rubber pad 63 bradyseism.

Specifically, the thickness of the rubber pad 63 is greater than that of the steel sheet 64, and the steel sheet 64 is welded and fixed with the bearing stay bar 62, so that the rubber pad 63 is wrapped outside the bearing stay bar 62 and the steel sheet 64, vibration generated on the bearing stay bar 62 is dispersed through the steel sheet 64, the acting area is larger, and the damping effect is obvious.

Specifically, the inside bottom surface of transformer housing 1 is equipped with slide rail 13, slide rail 13 and transformer housing 1 fixed connection, and the bottom of folder 4 rotates down and installs pulley 41, through pulley 41 sliding connection between folder 4 and the slide rail 13 down, because transformer housing 1 inner space is narrow and small, through setting up slide rail 13 and pulley 41, when the maintenance, can pull out the transformer subassembly of inside through slide rail 13 and pulley 41, makes things convenient for staff's maintenance and observation.

Specifically, the top of transformer housing 1 still is equipped with rings 11, and rings 11 are fixed with transformer housing 1 spiro union, through setting up rings 11, when the installation transformer, can tie up the rope on rings 11, convenient hoist and mount.

Specifically, be equipped with fan 5 on the lateral wall of folder 4 down, fan 5 distributes in the below of iron core winding 2, and fan 5 and folder 4 fixed connection down can utilize fan 5 to come to 2 inside convulsions of iron core winding through setting up fan 5 when using for circulation of air, reinforcing heat-sinking capability.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the transformer vibrates, the vibration rigidity is transmitted to the bearing brace rod 62, the force is dispersed through the steel sheet 64, the action area is larger, the steel sheet 64 vibrates between the rubber pads 63, at the same time of the vibration, the multi-layer rubber pad 63 absorbs and attenuates the vibration of the steel sheet 64, because the contact area is increased, therefore, the vibration amplitude is greatly reduced, the vibration energy is absorbed on the multi-layer rubber pad 63, thereby greatly reducing the vibration of the supporting foot seat 12 connected with the shock absorption seat 6, simultaneously silencing the rubber, can reduce the transmission of vibration and noise, ensure the installation stability of the transformer installation part, can not loosen under the long-term vibration, and through the arrangement of the sliding rail 13 and the pulley 41, when the maintenance, can pull out the transformer subassembly of inside through slide rail 13 and pulley 41, make things convenient for staff's maintenance and observation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a special three-phase dry-type transformer of photovoltaic pumping irrigation, includes transformer housing (1), its characterized in that: an iron core winding (2) is arranged inside the transformer housing (1), an upper clamping piece (3) and a lower clamping piece (4) are respectively arranged at the top of the iron core winding (2), the upper clamping piece (3) and the lower clamping piece (4) are fixedly connected with the iron core winding (2), the iron core winding (2) is connected with the transformer housing (1) in a sliding manner through the upper clamping piece (3) and the lower clamping piece (4), supporting foot seats (12) are further arranged at four corners of the bottom of the transformer housing (1), a shock absorption seat (6) is arranged at the joint of each supporting foot seat (12) and the transformer housing (1), each shock absorption seat (6) comprises a shock absorption seat housing (61), a bearing support rod (62), a rubber pad (63) and a steel sheet (64), and the shock absorption seat housing (61) is welded and fixed at the top of the supporting foot seats (12), bear the weight of the one end of vaulting pole (62) with transformer housing (1) fixed connection, the other end runs through damper housing shell (61) stretch into extremely the inside of damper housing shell (61), bear vaulting pole (62) and be close to the inside one end fixed mounting of damper housing shell (61) has a plurality of parallel distribution's steel sheet (64), rubber pad (63) interval is installed steel sheet (64) with between damper housing shell (61).

2. The special three-phase dry-type transformer for photovoltaic pumping irrigation according to claim 1, characterized in that: the rubber pads (63) and the steel sheets (64) are distributed in the shock absorption seat shell (61) at intervals, and the rubber pads (63) are arranged at the bottom of the shock absorption seat shell (61).

3. The special three-phase dry-type transformer for photovoltaic pumping irrigation according to claim 1, characterized in that: the thickness of the rubber pad (63) is larger than that of the steel sheet (64), and the steel sheet (64) and the bearing support rod (62) are welded and fixed.

4. The special three-phase dry-type transformer for photovoltaic pumping irrigation according to claim 1, characterized in that: the transformer shell is characterized in that a sliding rail (13) is arranged on the bottom surface of the interior of the transformer shell (1), the sliding rail (13) is fixedly connected with the transformer shell (1), a pulley (41) is rotatably mounted at the bottom of the lower clamping piece (4), and the lower clamping piece (4) is slidably connected with the sliding rail (13) through the pulley (41).

5. The special three-phase dry-type transformer for photovoltaic pumping irrigation according to claim 1, characterized in that: the top of the transformer shell (1) is further provided with a lifting ring (11), and the lifting ring (11) is fixedly connected with the transformer shell (1) in a threaded mode.

6. The special three-phase dry-type transformer for photovoltaic pumping irrigation according to claim 1, characterized in that: the outer side wall of the lower clamping piece (4) is provided with a fan (5), the fan (5) is distributed below the iron core winding (2), and the fan (5) is fixedly connected with the lower clamping piece (4).

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