CN211507316U

CN211507316U - Auto-transformer explosion-proof device

Info

Publication number: CN211507316U
Application number: CN202020263738.8U
Authority: CN
Inventors: 李金花
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-09-15
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses an autotransformer explosion-proof equipment, including box, frid, transformer and shutter, the inside rigid coupling of box has the frid, the last surface mounting of frid has the transformer, the shutter is all installed to the left and right sides of box, heat dissipation mechanism is installed to the bottom of box. This autotransformer explosion-proof equipment, through the flabellum, the connecting seat, the montant, the cooperation of first bearing and first helical gear etc. is used, prevent that the high temperature from causing the transformer explosion in the box, and then improve the practicality of whole mechanism, through the roof, the down tube, the slider, the cooperation of guide arm and spring etc. is used, the down tube constitutes the triangle-shaped structure with roof and box, increase the bearing capacity of roof, be favorable to using widely, through the motor, the horizontal pole, the cooperation of shaft coupling and second helical gear etc. is used, the radiating effect in the rotation increase box of two flabellums, satisfy autotransformer user demand to explosion-proof equipment greatly.

Description

Auto-transformer explosion-proof device

Technical Field

The utility model relates to an autotransformer technical field specifically is an autotransformer explosion-proof equipment.

Background

The autotransformer is that its winding is the transformer of primary and secondary on same winding, former, secondary directly establishes ties, the transformer of self-coupling, but according to the structure subdivided into adjustable pressure formula and fixed, the coupling of autotransformer is the meaning of electromagnetic coupling, in order to guarantee transformer safe handling, need an explosion-proof equipment to protect the transformer, but current autotransformer explosion-proof equipment, the transformer in the box produces a large amount of heats during the long-time use, high temperature makes the transformer explode easily, lead to the practicality of whole mechanism to descend, cause the transformer to damage easily when the outside object violently strikes the transformer body and take place the short circuit, hardly autotransformer to explosion-proof equipment's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an autotransformer explosion-proof equipment to propose current autotransformer explosion-proof equipment among the above-mentioned background art of solution, the transformer in the box produces a large amount of heats during the long-term use, and high temperature makes the transformer explode easily, leads to the problem that the practicality of whole mechanism descends.

In order to achieve the above object, the utility model provides a following technical scheme: an autotransformer explosion-proof device comprises a box body, a groove plate, a transformer and shutters, wherein the groove plate is fixedly connected inside the box body, the transformer is mounted on the upper surface of the groove plate, the shutters are mounted on the left side and the right side of the box body, and a heat dissipation mechanism is mounted at the bottom end of the box body;

the heat dissipation mechanism comprises a supporting seat, a vertical rod, a first bearing, a fan blade and a first helical gear;

both ends all are equipped with the montant about the supporting seat, two the outer wall of montant all links to each other with the supporting seat activity through first bearing, the top rigid coupling of montant has the flabellum, the bottom rigid coupling of montant has first helical gear.

Preferably, the lower surface rigid coupling of frid has the otter board, the equal swing joint of the left and right sides of box has the threaded rod, two the equal threaded connection of outer wall of threaded rod has the nut.

Preferably, a protection mechanism is installed at the top of the box body;

the protection mechanism comprises a top plate, an inclined rod, a sliding block, a guide rod and a spring;

the outer wall of the top plate is movably connected with the box body, the lower surface of the top plate is movably connected with an inclined rod, the bottom end of the inclined rod is movably connected with a sliding block, a guide rod is sleeved inside the sliding block, the upper end and the lower end of the guide rod are fixedly connected with the box body, a spring is sleeved on the outer wall of the guide rod and is in clearance fit with the guide rod, and the upper end and the lower end of the spring are respectively attached to the box body and the sliding block.

Preferably, the top plates are symmetrically distributed about the tank.

Preferably, the bottom end of the supporting seat is fixedly connected with a power mechanism;

the power mechanism comprises a base, a motor, a coupler, a cross rod, a second bearing and a second bevel gear;

the upper surface intermediate position and the supporting seat looks rigid coupling of base, the outer wall and the box looks rigid coupling of base, the upper surface right-hand member rigid coupling of base has the motor, the left end of motor output shaft passes through shaft coupling and horizontal pole looks rigid coupling, both ends all link to each other with the base activity through the second bearing about the horizontal pole, the outer wall rigid coupling of horizontal pole has the second helical gear, two the outer wall of second helical gear all links to each other with the meshing of first helical gear.

Preferably, the second bevel gear is arranged perpendicular to the first bevel gear.

Compared with the prior art, the beneficial effects of the utility model are that: this autotransformer explosion-proof equipment for traditional technology, have following advantage:

through the cooperation use of flabellum, connecting seat, montant, first bearing and first helical gear etc., the montant drives the flabellum and rotates, passes through the shutter with the hot-air in the box and discharges, prevents that the high temperature from causing the transformer explosion in the box, and then improves whole mechanism's practicality.

Through the cooperation use of roof, down tube, slider, guide arm and spring etc., the down tube constitutes the triangle-shaped structure with roof and box, increases the bearing capacity of roof, prevents that box top pressure from too big causing the harm to the transformer, is favorable to using widely.

The motor drives the cross rod to rotate through the coupler, the cross rod drives the second bevel gear to rotate to provide power for rotation of the fan blades, the rotation of the two fan blades increases the heat dissipation effect in the box body, and the use requirement of the autotransformer on the explosion-proof device is greatly met.

Drawings

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

FIG. 2 is a schematic view of a connection structure between the heat dissipation mechanism and a second bevel gear in FIG. 1;

FIG. 3 is a schematic view of a connection structure between the protection mechanism and the box body in FIG. 1;

fig. 4 is a schematic view of a connection structure between the power mechanism and the first bevel gear in fig. 1.

In the figure: 1. the device comprises a box body, 2, a groove plate, 3, a transformer, 4, a shutter, 5, a heat dissipation mechanism, 501, a supporting seat, 502, a vertical rod, 503, a first bearing, 504, a fan blade, 505, a first bevel gear, 6, a protection mechanism, 601, a top plate, 602, a bevel rod, 603, a sliding block, 604, a guide rod, 605, a spring, 7, a power mechanism, 701, a base, 702, a motor, 703, a coupler, 704, a cross rod, 705, a second bearing, 706, a second bevel gear, 8, a screen plate, 9, a threaded rod, 10 and a nut.

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. 1-4, the present invention provides a technical solution: an autotransformer explosion-proof device comprises a box body 1, a groove plate 2, a transformer 3 and a louver 4, wherein the groove plate 2 is fixedly connected inside the box body 1, through holes are respectively processed at the left side and the right side of the groove plate 2, the transformer 3 is arranged on the upper surface of the groove plate 2, the type of the transformer 3 is a QZB-2500KW autotransformer, the louver 4 is respectively arranged at the left side and the right side of the box body 1, the louver 4 is used for dissipating heat, a heat dissipation mechanism 5 is arranged at the bottom end of the box body 1, the heat dissipation mechanism 5 comprises a supporting seat 501, the supporting base 501 comprises a vertical rod 502, a first bearing 503, fan blades 504 and a first bevel gear 505, the vertical rod 502 is arranged at each of the left end and the right end of the supporting base 501, the vertical rod 502 rotates in the supporting base 501 through the first bearing 503, the outer walls of the two vertical rods 502 are movably connected with the supporting base 501 through the first bearing 503, the fan blades 504 are fixedly connected to the top end of the vertical rod 502, the vertical rod 502 drives the fan blades 504 to rotate, and the first bevel gear 505 is fixedly connected to the bottom end of the vertical rod 502.

The lower surface rigid coupling of frid 2 has otter board 8, and 1-2 mm's through-hole has been seted up on the surface of otter board 8 and has been prevented that large granule object in the air from entering into box 1, and the equal swing joint in both sides of box 1 has threaded rod 9, and threaded rod 9 passes through the pin rod and links to each other with box 1 activity, and the equal threaded connection of outer wall of two threaded rods 9 has nut 10.

Protection machanism 6 is installed at the top of box 1, protection machanism 6 includes roof 601, down tube 602, slider 603, guide arm 604 and spring 605, the outer wall of two roof 601 all links to each other with box 1 activity, roof 601 links to each other with box 1 activity through the pin rod, the lower surface swing joint of roof 601 has down tube 602, the bottom swing joint of down tube 602 has slider 603, slider 603's inside has cup jointed guide arm 604, slider 603 can reciprocate at the outer wall of guide arm 604, the upper and lower both ends of guide arm 604 all with box 1 looks rigid coupling, the outer wall of guide arm 604 has cup jointed spring 605, spring 605 and guide arm 604 clearance fit, the upper and lower both ends of spring 605 are laminated with box 1 and slider 603 respectively, roof 601 is about box 1 symmetric distribution, there are two roof 601 at the top rigid coupling of box 1, the last surface mounting of roof 601 has the cardboard.

The bottom end of the supporting seat 501 is fixedly connected with a power mechanism 7, the power mechanism 7 comprises a base 701, a motor 702 and a coupling 703, the middle position of the upper surface of the base 701 is fixedly connected with the supporting seat 501, the outer wall of the base 701 is fixedly connected with the box body 1, the right end of the upper surface of the base 701 is fixedly connected with a motor 702, the model of the motor 702 is SMG80-M02430, the left end of an output shaft of the motor 702 is fixedly connected with the cross rod 704 through a coupler 703, the motor 702 drives the cross rod 704 to rotate through the coupler 703, the left end and the right end of the cross rod 704 are movably connected with the base 701 through a second bearing 705, the outer wall of the cross rod 704 is fixedly connected with a second bevel gear 706, the outer walls of the two second bevel gears 706 are respectively connected with a first bevel gear 505 in a meshed mode, the second bevel gear 706 is perpendicular to the first bevel gear 505, and the second bevel gear 706 drives the first bevel gear.

In this example, when the device is used, first, the top plate 601 is pulled to rotate at the top end of the box body 1 through a short pin, the top plate 601 drives the sliding block 603 to move on the outer wall of the guide rod 604 through the inclined rod 602, the sliding block 603 compresses the spring 605 along with the movement of the inclined rod 602, when the top plate 601 and the side wall of the box body 1 are located on the same vertical line, the rotating threaded rod 9 is clamped in the clamping groove on the upper surface of the top plate 601 and is fixed by the nut 10, then the bottom end of the transformer 3 is connected with the groove plate 2 in the box body 1 through a bolt, the transformer 3 is communicated with an external circuit, the two top plates 601 are closed, the transformer 3 generates heat during operation, the temperature in the box body 1 rises, at this time, the external power supply of the motor 702 is switched on, the motor 702 drives the cross rod 704 to rotate in the base 701 through the coupling 703, the second bevel gear 706 drives the first bevel gear 505 to rotate, the first bevel gear 505 drives the vertical rod 502 to rotate in the supporting seat 501, and then the fan blades 504 rotate along with the vertical rod 502, the fan blades 504 drive air to flow, so that hot air in the box body 1 is exhausted from the shutter 4, and explosion caused by overhigh temperature of the transformer 3 is prevented.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in 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 present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an autotransformer explosion-proof equipment, includes box (1), frid (2), transformer (3) and shutter (4), the inside rigid coupling of box (1) has frid (2), the last surface mounting of frid (2) has transformer (3), shutter (4), its characterized in that are all installed to the left and right sides of box (1): the bottom end of the box body (1) is provided with a heat dissipation mechanism (5);

the heat dissipation mechanism (5) comprises a supporting seat (501), a vertical rod (502), a first bearing (503), a fan blade (504) and a first bevel gear (505);

both ends all are equipped with montant (502) about supporting seat (501), two the outer wall of montant (502) all links to each other with supporting seat (501) activity through first bearing (503), the top rigid coupling of montant (502) has flabellum (504), the bottom rigid coupling of montant (502) has first helical gear (505).

2. The autotransformer explosion-proof apparatus of claim 1, wherein: the lower surface rigid coupling of frid (2) has otter board (8), the equal swing joint in the left and right sides of box (1) has threaded rod (9), two the equal threaded connection of outer wall of threaded rod (9) has nut (10).

3. The autotransformer explosion-proof apparatus of claim 1, wherein: the top of the box body (1) is provided with a protection mechanism (6);

the protection mechanism (6) comprises a top plate (601), an inclined rod (602), a sliding block (603), a guide rod (604) and a spring (605);

the outer wall of two roof (601) all links to each other with box (1) activity, the lower surface swing joint of roof (601) has down tube (602), the bottom swing joint of down tube (602) has slider (603), guide arm (604) have been cup jointed to the inside of slider (603), the upper and lower both ends of guide arm (604) all with box (1) looks rigid coupling, spring (605) have been cup jointed to the outer wall of guide arm (604), spring (605) and guide arm (604) clearance fit, the upper and lower both ends of spring (605) laminate with box (1) and slider (603) respectively mutually.

4. The autotransformer explosion-proof apparatus of claim 3, wherein: the top plates (601) are symmetrically distributed about the box body (1).

5. The autotransformer explosion-proof apparatus of claim 1, wherein: a power mechanism (7) is fixedly connected to the bottom end of the supporting seat (501);

the power mechanism (7) comprises a base (701), a motor (702), a coupler (703), a cross rod (704), a second bearing (705) and a second bevel gear (706);

the upper surface intermediate position and supporting seat (501) looks rigid coupling of base (701), the outer wall and box (1) looks rigid coupling of base (701), the upper surface right-hand member rigid coupling of base (701) has motor (702), shaft coupling (703) and horizontal pole (704) looks rigid coupling are passed through to the left end of motor (702) output shaft, both ends all link to each other with base (701) activity through second bearing (705) about horizontal pole (704), the outer wall rigid coupling of horizontal pole (704) has second helical gear (706), two the outer wall of second helical gear (706) all links to each other with first helical gear (505) meshing.

6. The autotransformer explosion-proof apparatus of claim 5, wherein: the second bevel gear (706) is arranged perpendicular to the first bevel gear (505).