CN218447434U

CN218447434U - Protective casing of dry type transformer

Info

Publication number: CN218447434U
Application number: CN202222424169.2U
Authority: CN
Inventors: 刘刚; 龙厚权; 龙志国; 龙爱军
Original assignee: Hunan Fangneng Power Co ltd
Current assignee: Hunan Fangneng Power Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-03
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a protective housing of a dry-type transformer, which belongs to the technical field of transformers and aims at the problems of poor protection effect on the transformer and poor cushioning effect when being vibrated, the protective housing comprises a protective frame and a transformer body, wherein the transformer body is positioned at the inner side of the protective frame; the utility model discloses a setting of bradyseism subassembly can effectively provide the resistance of downward movement in-process for the transformer body, provides the bradyseism effect for transformer top atress time to effectively avoid appearing the condition that transformer body vibrations are crossed apart from causing the transformer to damage, promote transformer body life and in service behavior.

Description

Protective shell of dry-type transformer

Technical Field

The utility model belongs to the technical field of the transformer, concretely relates to dry-type transformer's protecting sheathing.

Background

The dry type transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply, the dry type transformer refers to a transformer with AN iron core and windings which are not immersed in insulating oil, the cooling mode is divided into natural air cooling (AN) and forced air cooling (AF), the transformer can continuously run for a long time under rated capacity during natural air cooling, the output capacity of the transformer can be improved by 50% during forced air cooling, and the dry type transformer is suitable for intermittent overload running or emergency accident overload running, and the dry type transformer is in a non-economic running state due to large load loss and impedance voltage amplification during overload, so the dry type transformer cannot be in long-time continuous overload running.

The comparative patent document publication numbers are: "CN212113361U a protective housing of dry-type transformer includes the box, the welding has the baffle on the both sides inner wall of box, be equipped with the biax motor on the bottom inner wall of box, all weld first bevel gear on two output shafts of biax motor, rotate on the inside top of box and install two threaded rods, the bottom of threaded rod runs through the baffle and welds and have second bevel gear, first bevel gear and second bevel gear mesh mutually, the threaded rod and baffle rotate and connect, install the thread block through the screw thread on the threaded rod, the thread block is close to one side welding of box and has the brush, all be equipped with the radiator-grid on the both sides inner wall of box, the top of baffle is installed potential device through the bolt, the utility model discloses, simple structure, convenient to use, through the cooperation of heat dissipation mechanism and dust removal mechanism, accomplish the transformer can not have the dust in the heat dissipation, above-mentioned patent when actually using, has following problem anyhow; dry-type transformer's protective housing generally adopts the installation laminating formula to install the protecting crust on the transformer to form a relatively sealed space, but owing to install the protecting crust on the transformer, lead to using too loaded down with trivial details complicacy, the protective effect who provides the transformer is comparatively general moreover, is difficult to provide the bradyseism effect to it when causing the transformer to receive vibrations, thereby causes transformer life's reduction.

Therefore, a protection shell for a dry-type transformer is needed to solve the problems of poor protection effect on the transformer and poor cushioning effect when the transformer is vibrated in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer's protecting sheathing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the protective shell of the dry type transformer comprises a protective frame and the protective frame further comprises

The transformer body, the transformer body is located the protection frame is inboard, transformer body bottom lateral wall is fixed with two bearing plates that are the symmetric distribution, the bearing plate with protection frame bottom inside wall is fixed, be provided with the bottom plate under the protection frame, the bottom plate with the bradyseism subassembly that is provided with the looks adaptation between the protection frame, two mounting grooves that are the symmetric distribution are seted up to protection frame top lateral wall, mounting groove inside is fixed with the fan, the protection frame outside be provided with the protection subassembly of transformer body looks adaptation.

In the scheme, the shock absorption assembly comprises

The damper is provided with a plurality of dampers which are symmetrically distributed and fixed on the side wall of the bottom end of the protection frame, one end of the protection frame, far away from the dampers, is fixed on the side wall of the top end of the bottom plate, a spring is sleeved on the outer surface of each damper, one end of the spring is fixed on the side wall of the bottom end of the protection frame, and the other end of the spring is fixed on the side wall of the top end of the bottom plate.

It is further worth mentioning that the shielding assembly comprises

Lead to the groove, it is provided with a plurality ofly to lead to the groove, it is a symmetric distribution to lead to the groove and set up in protection frame top lateral wall, it has the guard plate to lead to the inside sliding connection of groove, the guard plate with the inboard lateral wall sliding connection of protection frame, guard plate top lateral wall is fixed with the handle, the guard plate is located transformer body one side.

It should be further noted that two guide blocks which are symmetrically distributed are fixed on the side wall of one side of the protection plate, a plurality of guide grooves which are symmetrically distributed are formed in the side wall of the inner side of the protection frame, and the guide blocks are slidably connected with the inner portions of the guide grooves.

As a preferred embodiment, the protection frame has a slot in the inner side wall of the bottom end, and the protection plate is connected with the slot in a sliding manner.

As a preferred embodiment, a plurality of symmetrically distributed mounting blocks are fixed on the outer side wall of the bottom plate, and mounting hole grooves are formed in the side wall of the top end of each mounting block.

Compared with the prior art, the utility model provides a pair of dry-type transformer's protective housing includes following beneficial effect at least:

(1) Through the setting of bradyseism subassembly, can effectively provide the resistance of lapse in-process for the transformer body, provide the bradyseism effect for transformer top atress to effectively avoid appearing the condition that transformer body vibrations are too far away to cause the transformer to damage, promote transformer body life and in service behavior.

(2) Through the setting of protection component, can shelter from the protection to the transformer body outside, not only can effectively avoid appearing causing the transformer body condition of damage because of external collision or the condition that the mistake touched, but also can effectively avoid appearing influencing radiating condition in the transformer body outside because of the dust covers to effectively promote the life of transformer body.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic view of the bottom view of the present invention.

In the figure: 1. a protective frame; 2. a transformer body; 3. a bearing plate; 4. a base plate; 5. a cushioning component; 51. a damper; 52. a spring; 6. mounting grooves; 7. a fan; 8. a guard assembly; 81. a through groove; 82. a protection plate; 83. a handle; 9. a guide block; 10. a guide groove; 11. a slot; 12. mounting a block; 13. and (7) installing a hole groove.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of the protection of the present invention based on the described embodiments of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Please refer to fig. 1-4, the utility model provides a protective housing of dry-type transformer, including protection frame 1, protection frame 1 still includes transformer body 2, transformer body 2 is located protection frame 1 inboard, 2 bottom lateral walls of transformer body are fixed with two bearing plates 3 that are the symmetric distribution, bearing plate 3 is fixed with 1 bottom inside wall of protection frame, be provided with bottom plate 4 under protection frame 1, be provided with the bradyseism subassembly 5 of looks adaptation between bottom plate 4 and the protection frame 1, two mounting grooves 6 that are the symmetric distribution are seted up to 1 top lateral wall of protection frame, mounting groove 6 is inside to be fixed with fan 7, the protection frame 1 outside is provided with the protective assembly 8 with 2 looks adaptations of transformer body, through the function of fan 7, produce certain wind-force effect, provide sufficient radiating effect for the transformer body 2 in the protection frame 1, thereby effectively promote the in service behavior and the life of transformer body 2.

Further as shown in fig. 4, it is worth specifically explaining that the cushioning component 5 includes a plurality of dampers 51, the dampers 51 are provided with a plurality of dampers 51, the plurality of dampers 51 are symmetrically distributed and fixed on the side wall of the bottom end of the protection frame 1, one end of the damper 51 far away from the protection frame 1 is fixed on the side wall of the top end of the bottom plate 4, the outer surface of the damper 51 is sleeved with a spring 52, one end of the spring 52 is fixed on the side wall of the bottom end of the protection frame 1, the other end of the spring 52 is fixed on the side wall of the top end of the bottom plate 4, through the arrangement of the cushioning component 5, the resistance in the downward movement process can be effectively provided for the transformer body 2, a cushioning effect is provided for the stress on the upper side of the transformer, thereby effectively avoiding the situation that the transformer body 2 vibrates to cause the damage at an excessive distance, and prolonging the service life and service life of the transformer body 2.

Further as shown in fig. 1 and fig. 2, it is worth specifically explaining that, protective assembly 8 includes logical groove 81, logical groove 81 is provided with a plurality ofly, a plurality of logical grooves 81 are the symmetric distribution and offer in 1 top lateral wall of protective frame, the inside sliding connection of logical groove 81 has guard plate 82, guard plate 82 and 1 inboard lateral wall sliding connection of protective frame, guard plate 82 top lateral wall is fixed with handle 83, guard plate 82 is located 2 one side of transformer body, setting through protective assembly 8, can shelter from the protection in 2 outsides of transformer body, not only can effectively avoid appearing causing the condition that transformer body 2 damaged because of the condition that external collision or mistake touched, but also can effectively avoid appearing influencing the radiating condition in 2 outsides of transformer body because of the dust covers, thereby effectively promote transformer body 2's life.

The scheme has the following working processes: when needing to protect transformer body 2 and using, at first through pulling handle 83, make guard plate 82 synchronous motion, until guard plate 82 removes the sheltering from to protection frame 1, and through placing transformer body 2 inside protection frame 1, and fix transformer body 2 inside protection frame 1, utilize the action of gravity of transformer body 2 self, thereby cause protection frame 1 to move downwards in step, attenuator 51's setting this moment, can provide the resistance of motion for protection frame 1 moves downwards in-process, and cooperate the elastic effect of spring 52, thereby provide the shock attenuation effect for protection frame 1 removes, and move downwards through pulling handle 83, drive guard plate 82 synchronous motion, until guard plate 82 and the inside laminating of slot 11 mutually, thereby accomplish the peripheral protective effect to transformer body 2, through the drive of fan 7, produce the air flow velocity of sufficient wind power for transformer body 2 department in protection frame 1, thereby play the radiating effect to transformer body 2.

According to the working process, the following steps are known: through the function of fan 7, produce certain wind-force effect, provide sufficient wind-force radiating effect for transformer body 2 in the protection frame 1, thereby effectively promote transformer body 2's in service behavior and life-span, and through the setting of bradyseism subassembly 5, can effectively provide the resistance of downward movement in-process for transformer body 2, provide the bradyseism effect for transformer top atress time, thereby effectively avoid appearing the condition that transformer body 2 shakes the excessive transformer that causes damage, promote transformer body 2 life and in service behavior, and through the setting of protective component 8, can shelter from the protection to the transformer body 2 outside, not only can effectively avoid appearing causing the condition that transformer body 2 damaged because of the condition that external collision or mistake touched, and can also effectively avoid appearing influencing the radiating condition because of the dust covers in the transformer body 2 outside, thereby effectively promote transformer body 2's life.

Further as shown in fig. 3, it is worth specifically explaining that, two guide blocks 9 that are symmetrically distributed are fixed on the side wall of one side of the protection plate 82, a plurality of guide grooves 10 that are symmetrically distributed are formed in the side wall of the inner side of the protection frame 1, the guide blocks 9 are connected with the guide grooves 10 in a sliding manner, and slide in the guide grooves 10 through the guide blocks 9, so that the guide limiting effect on the protection plate 82 can be achieved, and the stability of the protection plate 82 during moving can be effectively improved.

Further as shown in fig. 3, it is worth specifically explaining that slot 11 has been seted up to protection frame 1 bottom inside wall, and protection plate 82 slides with the inside sliding connection of slot 11 through protection plate 82 and the interior of slot 11 to effectively promote the stable firm nature of being connected between protection plate 82 and the protection frame 1, thereby effectively avoid appearing protection plate 82 offset and cause and be connected unstable condition with protection frame 1.

Further as shown in fig. 1 and fig. 3, it is worth specifically explaining that the side wall of the outer side of the bottom plate 4 is fixed with a plurality of mounting blocks 12 which are symmetrically distributed, the side wall of the top end of each mounting block 12 is provided with a mounting hole groove 13, and through the arrangement of the mounting hole grooves 13, a worker can conveniently fix the device at a designated working position by using a positioning bolt, so that the stability of the transformer body 2 during use is effectively improved.

To sum up: slide in guide way 10 through guide block 9, not only can play the direction limiting displacement to guard plate 82, and can also effectively promote the stability of guard plate 82 when removing, and slide in guard plate 82 and slot 11, thereby effectively promote the firm nature of stabilizing of being connected between guard plate 82 and the protection frame 1, thereby effectively avoid appearing guard plate 82 offset and cause and be connected the unstable condition with protection frame 1, and through seting up of mounting hole groove 13, the staff of being convenient for adopts positioning bolt to fix this device at appointed operating position, thereby effectively promote the stability when transformer body 2 uses.

The transformer body and the fan can be purchased from the market, and the transformer body and the fan are provided with power supplies, which belong to the mature technology in the field and are fully disclosed, so repeated description is omitted in the specification.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 protective shell of the dry type transformer comprises a protective frame (1), and is characterized in that the protective frame (1) further comprises

Transformer body (2), transformer body (2) are located protection frame (1) is inboard, transformer body (2) bottom lateral wall is fixed with two bearing plate (3) that are the symmetric distribution, bearing plate (3) with protection frame (1) bottom inside wall is fixed, be provided with bottom plate (4) under protection frame (1), bottom plate (4) with protection is provided with bradyseism subassembly (5) of looks adaptation between frame (1), protection frame (1) top lateral wall is seted up two mounting grooves (6) that are the symmetric distribution, mounting groove (6) inside is fixed with fan (7), protection frame (1) outside be provided with protection component (8) of transformer body (2) looks adaptation.

2. A protective casing for a dry-type transformer as claimed in claim 1, wherein: the shock absorption assembly (5) comprises

Attenuator (51), attenuator (51) are provided with a plurality ofly, and are a plurality of attenuator (51) are the symmetric distribution and are fixed in protection frame (1) bottom lateral wall, attenuator (51) are kept away from the one end of protection frame (1) with bottom plate (4) top lateral wall is fixed, attenuator (51) surface has cup jointed spring (52), spring (52) one end with protection frame (1) bottom lateral wall is fixed, spring (52) other end with bottom plate (4) top lateral wall is fixed.

3. A protective casing for a dry-type transformer as claimed in claim 2, wherein: the guard assembly (8) comprises

Lead to groove (81), it is provided with a plurality ofly, a plurality of to lead to groove (81) and be symmetric distribution and set up in protection frame (1) top lateral wall, it has guard plate (82) to lead to groove (81) inside sliding connection, guard plate (82) with the inside lateral wall sliding connection of protection frame (1), guard plate (82) top lateral wall is fixed with handle (83), guard plate (82) are located transformer body (2) one side.

4. A protective casing for a dry-type transformer as claimed in claim 3, wherein: guard plate (82) one side lateral wall is fixed with two guide block (9) that are the symmetric distribution, a plurality of guide way (10) that are the symmetric distribution are seted up to protection frame (1) inboard lateral wall, guide block (9) with the inside sliding connection of guide way (10).

5. A protective casing for a dry-type transformer as claimed in claim 4, in which: protection frame (1) bottom inside wall has seted up slot (11), guard plate (82) with slot (11) inside sliding connection.

6. A protective casing for a dry-type transformer as claimed in claim 1, wherein: the side wall of the outer side of the bottom plate (4) is fixed with a plurality of mounting blocks (12) which are symmetrically distributed, and mounting hole grooves (13) are formed in the side wall of the top end of each mounting block (12).