CN220821235U

CN220821235U - Protective mechanism for transformer

Info

Publication number: CN220821235U
Application number: CN202322450607.7U
Authority: CN
Inventors: 许宏宇; 符悦宙; 梁振腾; 陈延岭; 罗大翔; 王于豪
Original assignee: Huaneng Hainan Power Generation Ltd By Share Ltd Nanshan Power Plant
Current assignee: Huaneng Hainan Power Generation Ltd By Share Ltd Nanshan Power Plant
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-19
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses a protection mechanism for a transformer, which relates to the technical field of electrical engineering and comprises a shell, wherein the outer wall of the bottom end of the shell is fixedly connected with a base, the inner wall of the base is elastically connected with a clamping block through a spring A, the outer wall of the shell is elastically connected with a baffle plate through a buffer spring, two groups of clamping grooves are formed in the outer wall of the baffle plate, two groups of rotating shafts are rotatably connected to the outer wall of the top end of the baffle plate, a baffle plate is fixedly connected to the outer wall of the rotating shafts, a turntable is fixedly connected to the outer wall of the rotating shafts, and two groups of limiting grooves are formed in the outer wall of the turntable.

Description

Protective mechanism for transformer

Technical Field

The utility model relates to the technical field of electrical engineering, in particular to a protection mechanism for a transformer.

Background

With the rapid development of science and technology nowadays, electrical engineering has a decisive influence on the fields of information development and physical science, and electric power has a great effect on social development and improvement of living standard of people, and in the development process, the demand of people for electric power is continuously increased, and the demand of people for electrical engineering and automation technology is also in an increasing trend.

The transformer is a device for changing alternating voltage by utilizing electromagnetic induction, has main functions of voltage conversion, current conversion, isolation, voltage stabilization and the like, is divided into a plurality of different transformers due to different purposes, has different internal structures and is widely applied to the fields of industry, agriculture, traffic and the like.

Because the transformer outward appearance exposes outside for a long time, need protect the transformer outward appearance, and among some prior art, protective structure is usually by the bolt fastening, when need maintain the transformer, need dismantle through rotatory bolt many times just can maintain, it is comparatively troublesome, and the transformer during operation can produce vibrations, the unable fine buffering effect to the transformer of some current protective structure, can cause the damage of transformer internals and the problem that can't use for a long time.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a protection mechanism for a transformer, which solves the problems that the protection mechanism can be maintained only by disassembling the protection mechanism through rotating bolts for many times and is troublesome when the transformer is maintained in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a protection machanism for transformer, includes the casing, the bottom outer wall fixedly connected with base of casing, the inner wall of base passes through spring A elastic connection has the fixture block, the outer wall of casing passes through buffer spring elastic connection has the baffle, two sets of draw-in grooves have been seted up to the outer wall of baffle, the top outer wall rotation of baffle is connected with two sets of pivots, the outer wall fixedly connected with baffle of pivot, the outer wall fixedly connected with carousel of pivot, two sets of spacing grooves have been seted up to the outer wall of carousel, the outer wall of pivot is around having haulage rope, the outer wall fixedly connected with two sets of fixed blocks of baffle, the bottom inner wall of fixed block has the voussoir through spring B elastic connection.

Preferably, the outer wall fixedly connected with loop bar of casing, the outer wall fixedly connected with damping ring A of loop bar, the inner wall fixedly connected with multiunit rubber packing ring of loop bar, the inner wall sliding connection of loop bar has the telescopic link, the outer wall fixedly connected with damping ring B of telescopic link.

Preferably, one end of the spring A is fixedly connected to the inner wall of the base, and the other end of the spring A is fixedly connected to the outer wall of the clamping block.

Preferably, the outer wall of the clamping block is in sliding connection with the inner wall of the base.

Preferably, one end of the buffer spring is fixedly connected to the outer wall of the shell, and the other end of the buffer spring is fixedly connected to the inner wall of the baffle.

Preferably, one end of the spring B is fixedly connected to the inner wall of the bottom end of the fixed block, and the other end of the spring B is fixedly connected to the outer wall of the bottom end of the wedge block.

Preferably, the outer wall of the wedge block is in sliding connection with the inner wall of the fixed block.

Preferably, the outer wall of the loop bar slides on the inner wall of the buffer spring.

Preferably, the wedge blocks are clamped with the limiting grooves.

Preferably, the clamping block is clamped with the clamping groove.

(III) beneficial effects

The utility model provides a protection mechanism for a transformer. The beneficial effects are as follows:

(1) This protection machanism for transformer is when using, the accessible inserts the baffle downwards along the recess of base outer wall, and the fixture block is fixed the baffle, makes baffle and baffle protect the casing simultaneously, when need maintain the casing, can stimulate the haulage rope, makes the pivot rotate, drives the baffle and upwards overturns to it is spacing to the carousel through the voussoir, avoids the baffle because self gravity overturn downwards, makes things convenient for operating personnel to maintain, need not dismantle the maintenance again through rotatory bolt many times to protection architecture, has improved work efficiency.

(2) When the protection mechanism for the transformer is used, when the shell works to vibrate, the telescopic rod slides on the inner wall of the loop bar, the damping ring A is in contact with the rubber gasket, the damping ring B is in contact with the inner wall of the buffer spring, the friction force to the loop bar can be increased, the buffer effect is further improved, and the problem that internal parts are damaged due to overlarge vibration amplitude of the shell is avoided.

Drawings

FIG. 1 is a schematic view of the main structure of the device of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a base and a baffle of the device of the present utility model;

FIG. 3 is a schematic cross-sectional view of a turntable and a fixed block of the device of the present utility model;

Fig. 4 is a schematic diagram showing the structure of the device of the present utility model after the buffer spring, the loop bar and the telescopic bar are disassembled.

In the figure: 1. a housing; 2. a base; 3. a baffle; 4. a loop bar; 5. a turntable; 6. a partition plate; 7. a rubber gasket; 8. a buffer spring; 9. a telescopic rod; 10. a damping ring B; 11. a clamping groove; 12. a spring A; 13. a clamping block; 14. a traction rope; 15. a limit groove; 16. a rotating shaft; 17. a fixed block; 18. a spring B; 19. wedge blocks; 20. damping ring a.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a protection mechanism for a transformer, which comprises a housing 1, wherein a base 2 is fixedly connected to the outer wall of the bottom end of the housing 1, the housing 1 is placed on the base 2, the base 2 can be fixed at a position where a transformer needs to be installed, a clamping block 13 is elastically connected to the outer wall of the top end of the base 2 through a spring a12, a bump is arranged on the outer wall of the top end of the clamping block 13, penetrates through the outer wall of one side of the top end of the base 2 and is slidably connected with the outer wall of the top end of the base 2, the outer wall of the clamping block 13 is slidably connected with the inner wall of the base 2, one end of the spring a12 is fixedly connected to the inner wall of the base 2, the other end of the spring a12 is fixedly connected to the outer wall of the clamping block 13, when the bump of the outer wall of the clamping block 13 is pulled outwards, the clamping block 13 moves inwards along the inner wall of the base 2 to drive the spring a12 to shrink under stress, the limit of the baffle 3 is released, the outer wall of the housing 1 is elastically connected with the baffle 3 through a buffer spring 8, one end of the buffer spring 8 is fixedly connected to the outer wall of the housing 1, the other end of the buffer spring 8 is fixedly connected to the inner wall of the baffle 3, and when the housing 1 is started to vibrate, the buffer spring 8 is forced to shrink and rebound.

Two groups of clamping grooves 11 are formed in the outer wall of the baffle plate 3, clamping blocks 13 are clamped with the clamping grooves 11, the clamping blocks 13 limit the baffle plate 3, the position of the baffle plate 3 is fixed, the top end outer wall of the baffle plate 3 is rotationally connected with two groups of rotating shafts 16, the outer wall of each rotating shaft 16 is fixedly connected with a baffle plate 6, when the rotating shafts 16 are rotated, the baffle plates 6 can be driven to overturn upwards, operators can maintain the shell 1, the rotating shafts 16 are fixedly connected with a rotating disc 5, the rotating shafts 16 can be driven to synchronously rotate when rotating, the rotating discs 5 are driven to synchronously rotate, two groups of limiting grooves 15 are formed in the outer wall of the rotating disc 5, a traction rope 14 is wound on the outer wall of each rotating shaft 16, when the traction rope 14 is pulled, the rotating shafts 16 can be driven to rotate, two groups of fixing blocks 17 are fixedly connected with the outer wall of the baffle plate 3, the bottom end inner wall of each fixing block 17 is elastically connected with a wedge 19 through a spring B18, and the outer wall of each wedge 19 is provided with a lug, and the lug penetrates through one side outer wall of each fixing block 17 and slides on the outer wall of the fixing block 17.

One end fixed connection at the bottom inner wall of fixed block 17 of spring B18, the other end fixed connection at the bottom outer wall of voussoir 19 of spring B18, the outer wall of voussoir 19 and the inner wall sliding connection of fixed block 17, when the lug of downwardly pulling voussoir 19 outer wall, drive voussoir 19 and inwards move along the inner wall of fixed block 17, make spring B18 atress shrink, voussoir 19 and spacing groove 15 joint, when the straight face of voussoir 19 and the inner wall contact of spacing groove 15, can carry out spacing to carousel 5, make carousel 5 can not drive pivot 16 rotation because baffle 6 self gravity, thereby keep the state of opening with baffle 6.

The outer wall fixedly connected with loop bar 4 of casing 1, the outer wall of loop bar 4 slides at the inner wall of buffer spring 8, the outer wall fixedly connected with damping ring A20 of loop bar 4, when casing 1 vibrations, drive loop bar 4 at buffer spring 8's inner wall removal, damping ring A20 and buffer spring 8's inner wall contact, increase buffer spring 8 to the frictional force of loop bar 4, promote certain buffering effect, the inner wall fixedly connected with multiunit rubber packing ring 7 of loop bar 4, the inner wall sliding connection of loop bar 4 has telescopic link 9, the outer wall fixedly connected with damping ring B10 of telescopic link 9, when the outer wall of loop bar 4 at telescopic link 9 moves, damping ring B10 and the outer wall contact of rubber packing ring 7, rubber packing ring 7 can increase the frictional force to telescopic link 9, further promote buffering effect, avoid casing 1 vibrations range too big and make the internal parts damage.

In the utility model, when the baffle 3 is used, an operator can install the shell 1 on the top outer wall of the base 2, then the bottom outer wall of the baffle 3 corresponds to the position of the groove formed in the base 2, the baffle 3 is inserted downwards, when the bottom outer wall of the baffle 3 contacts with the cambered surface of the clamping block 13, the clamping block 13 is driven by the stress of the spring A12 to shrink inwards along the inner wall of the base 2, when the baffle 3 is inserted into the clamping groove 11 corresponding to the position of the clamping block 13, the clamping block 13 is driven by the spring A12 to pop out outwards due to the elasticity of the spring A12 to be clamped with the clamping groove 11, the baffle 3 is limited, the position of the baffle 3 is fixed, the baffle 3 and the baffle 6 can be used for protecting a transformer at the same time, dust or rainwater is prevented from damaging the transformer, when the baffle 3 is required to be detached, the lug arranged on the outer wall of the clamping block 13 can be pulled outwards, the spring A12 is stressed to shrink, and the clamping block 13 slides inwards along the inner wall of the base 2, so that the limit of the baffle 3 can be removed.

When the shell 1 works, internal parts vibrate, so that the shell 1 vibrates, the buffer spring 8 is driven to shrink and rebound when the shell 1 vibrates, the sleeve rod 4 is driven to move on the outer wall of the telescopic rod 9, the damping ring A10 arranged on the outer wall of the telescopic rod 9 is in contact with the rubber gasket 7 on the inner wall of the sleeve rod 4, the friction force to the sleeve rod 4 is increased, a certain buffering effect is improved, when the sleeve rod 4 moves, the damping ring B20 is in contact with the inner wall of the buffer spring 8, the friction force between the sleeve rod 4 and the buffer spring 8 is increased, the buffering effect is further improved, and the problem that internal parts are damaged due to overlarge vibration amplitude when the shell 1 works is avoided.

After the service life of the shell 1 is prolonged, maintenance work needs to be carried out on the shell 1, at the moment, the traction rope 14 can be pulled downwards, so that the traction rope 14 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the partition plate 6 to turn upwards and drives the turntable 5 to rotate, the inner wall of one group of limit grooves 15 is contacted with the cambered surface of the wedge block 19, an extrusion force is generated on the wedge block 19, the spring B18 is forced to drive the wedge block 19 to move inwards along the inner wall of the fixed block 17 and separate from the limit grooves 15, after the traction rope 14 is stretched, the wedge block 19 corresponds to the position of the other group of limit grooves 15, the spring B18 drives the wedge block 19 to pop outwards due to self elasticity and is clamped with the limit grooves 15, at the moment, the partition plate 6 is in an upwards turned open state, and an operator can carry out maintenance work on the shell 1.

And the straight face of voussoir 19 contacts with the inner wall of spacing groove 15, make the fixed in position of carousel 5, make the fixed in position of pivot 16, with the fixed in position of baffle 6, can not overturn downwards because baffle 6 self gravity, influence operating personnel's maintenance work, when maintenance is accomplished and is needed wall built-up baffle 6, can pull the lug that the voussoir 19 outer wall set up downwards, make the voussoir 19 inwards shrink along the inner wall of fixed block 17, break away from with spacing groove 15, at this moment because baffle 6 self gravity, and drive pivot 16 and carousel 5 counter-rotating, overturn downwards baffle 6, when baffle 6's outer wall and the dog contact that base 2 top outer wall set up, baffle 6 stops the upset, thereby can convenient and fast maintain casing 1, need not dismantle the protective housing through rotatory bolt many times and maintain again, work efficiency has been improved.

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

Claims

1. Protection mechanism for transformer, including casing (1), its characterized in that: the utility model discloses a motor vehicle seat, including casing (1), bottom outer wall fixedly connected with base (2), the inner wall of base (2) is through spring A (12) elastic connection fixture block (13), the outer wall of casing (1) is through buffer spring (8) elastic connection baffle (3), two sets of draw-in grooves (11) have been seted up to the outer wall of baffle (3), the top outer wall rotation of baffle (3) is connected with two sets of pivots (16), the outer wall fixedly connected with baffle (6) of pivot (16), the outer wall fixedly connected with carousel (5) of pivot (16), two sets of spacing groove (15) have been seted up to the outer wall of carousel (5), the outer wall of pivot (16) is around being equipped with haulage rope (14), the outer wall fixedly connected with two sets of fixed blocks (17) of baffle (3), the bottom inner wall of fixed block (17) is through spring B (18) elastic connection with voussoir (19).

2. The protective mechanism for a transformer according to claim 1, wherein: the outer wall fixedly connected with loop bar (4) of casing (1), the outer wall fixedly connected with damping ring A (20) of loop bar (4), the inner wall fixedly connected with multiunit rubber packing ring (7) of loop bar (4), the inner wall sliding connection of loop bar (4) has telescopic link (9), the outer wall fixedly connected with damping ring B (10) of telescopic link (9).

3. The protective mechanism for a transformer according to claim 1, wherein: one end of the spring A (12) is fixedly connected to the inner wall of the base (2), and the other end of the spring A (12) is fixedly connected to the outer wall of the clamping block (13).

4. The protective mechanism for a transformer according to claim 1, wherein: the outer wall of the clamping block (13) is in sliding connection with the inner wall of the base (2).

5. The protective mechanism for a transformer according to claim 1, wherein: one end of the buffer spring (8) is fixedly connected to the outer wall of the shell (1), and the other end of the buffer spring (8) is fixedly connected to the inner wall of the baffle plate (3).

6. The protective mechanism for a transformer according to claim 1, wherein: one end of the spring B (18) is fixedly connected to the inner wall of the bottom end of the fixed block (17), and the other end of the spring B (18) is fixedly connected to the outer wall of the bottom end of the wedge block (19).

7. The protective mechanism for a transformer according to claim 1, wherein: the outer wall of the wedge block (19) is in sliding connection with the inner wall of the fixed block (17).

8. The protective mechanism for a transformer according to claim 2, wherein: the outer wall of the loop bar (4) slides on the inner wall of the buffer spring (8).

9. The protective mechanism for a transformer according to claim 2, wherein: the wedge block (19) is clamped with the limiting groove (15).

10. The protective mechanism for a transformer according to claim 1, wherein: the clamping block (13) is clamped with the clamping groove (11).