CN218482060U

CN218482060U - Buried transformer overhauling structure

Info

Publication number: CN218482060U
Application number: CN202222961462.2U
Authority: CN
Inventors: 王鹏
Original assignee: Beijing Yonglian Hengchuang Power Engineering Design Co ltd
Current assignee: Beijing Yonglian Hengchuang Power Engineering Design Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-02-14
Anticipated expiration: 2032-11-04

Abstract

The application discloses bury maintenance structure of formula transformer with ground, the technical field who buries formula transformer with ground is related to, draw together the shell body, the inside of shell body is provided with interior casing, the inside of interior casing is provided with buries formula transformer body with ground, be provided with elevating system between shell body and the interior casing, elevating system includes second elevator and the first elevator of fixed connection in the interior casing outside, the extremely inconvenient problem of current formula transformer with burying when needs maintenance has been improved, outer casing and interior casing can play the guard action to burying formula transformer body in this application, make to bury formula transformer body safer in daily use, difficult emergence damage, the groove of dodging has all been seted up to one side of shell body and interior casing, the groove of dodging can play the ventilation effect with the external world, make to bury formula transformer body difficult because of the high temperature emergence accident when daily use, dodge the groove simultaneously and can be used to connect the cable of burying formula transformer body and external world.

Description

Buried transformer overhauling structure

Technical Field

The application relates to the technical field of buried transformers, in particular to an overhauling structure of a buried transformer.

Background

The buried transformer is divided into an overground part and an underground part, a body of the buried transformer is installed in a pit constructed by concrete, the space of the earth surface is not occupied, a high-voltage sleeve well, a low-voltage terminal, a high-voltage load switch, a backup fuse, a plug-in type lightning arrester, a pressure release valve, a vacuum pressure gauge, a temperature controller and an oil level indicator are installed on the buried transformer and a box cover, and all the accessories can be observed and operated on the ground.

For the above related technologies, the inventor thinks that the existing buried transformer can effectively transform voltage and is convenient for people to use, but most of the buried transformers are extremely inconvenient when needing to be repaired because half or more of the transformers are located at the ground bottom when being damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that an existing buried transformer is extremely inconvenient to maintain, the application provides an overhauling structure of the buried transformer.

The application provides an overhaul structure of buried transformer, adopts following technical scheme:

the utility model provides an overhaul structure of formula transformer buries, includes the shell body, the inside of shell body is provided with interior casing, the inside of interior casing is provided with buries formula transformer body, be provided with elevating system between shell body and the interior casing, elevating system includes second elevator and the first elevator of fixed connection in the interior casing outside, the inside of shell body is rotated and is connected with the screw rod, the inside fixedly connected with dead lever of shell body, screw rod threaded connection is in the inside of second elevator, first elevator sliding connection is in the outside of dead lever, the inside fixedly connected with bed hedgehopping piece of shell body, the upside fixedly connected with motor of bed hedgehopping piece, the output shaft of motor passes through the first conical gear of shaft coupling fixedly connected with, the outside fixedly connected with second conical gear of screw rod, second conical gear meshes with first conical gear mutually.

Optionally, an avoiding groove is formed in one side of the outer shell and one side of the inner shell, and one side of the inner shell is hinged to a hinge shaft door frame through a hinge.

Optionally, the inside activity joint of interior casing has spacing centre gripping casing, the inside fixedly connected with sponge piece of spacing centre gripping casing, spacing centre gripping casing sets up the outside at buried transformer body.

Optionally, the lower side of the buried transformer body is fixedly connected with a protection block and a supporting block, and the protection block and the supporting block are fixedly connected inside the inner shell.

Optionally, the outside fixedly connected with centre gripping stopper of interior casing, fixed connection between centre gripping stopper and the shell body.

Optionally, the lower side of the inner shell is provided with a damping spring, one end of the damping spring is fixedly connected to the lower end of the inner shell, and the other end of the damping spring is fixedly connected to the inside of the outer shell.

Optionally, the outer side of the inner shell is fixedly connected with a sliding block, the inner portion of the outer shell is fixedly connected with a fixed block, and the sliding block is connected inside the fixed block in a sliding mode.

Optionally, the upside fixedly connected with protection shield of interior casing, the upside of shell body articulates through the hinge activity has hinge door baffle, the upside fixedly connected with rubber sealing strip of shell body, rubber sealing strip sets up between shell body and hinge door baffle.

In summary, the present application includes at least one of the following benefits:

1. the outer casing can play the guard action to burying formula transformer body with interior casing in this device for bury formula transformer body safer in daily use, difficult emergence is damaged, one side of shell body and interior casing has all been seted up and has been dodged the groove, dodge the groove can play the ventilation action with the external world, make to bury formula transformer body when daily use difficult because of the high temperature accident that takes place, dodge simultaneously the groove and can be used to connect and bury formula transformer body and external cable.

2. The effect of the support that the bed pad play was filled up can be played to the motor to the bed pad piece in this device for the motor can normally be smooth uses, and the output shaft of motor passes through the first conical gear of shaft coupling fixedly connected with, and the outside fixedly connected with second conical gear of screw rod, second conical gear and first conical gear mesh mutually, and the motor drives the screw rod and rotates by the meshing of the first conical gear of accessible and second conical gear when being started.

Drawings

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

fig. 2 is a schematic view of the internal structure of the outer housing in the embodiment of the present invention;

fig. 3 is a schematic structural view of a lifting mechanism in an embodiment of the present invention;

fig. 4 is a schematic top view of the inner part of the inner housing in the embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a sponge block in an embodiment of the present invention;

fig. 6 is a schematic structural view of the anti-slip block and the supporting block in the embodiment of the present invention.

The reference numbers in the figures illustrate:

1. an outer housing; 2. a hinge door baffle; 3. a rubber seal strip; 4. a buried transformer body; 5. a lifting mechanism; 501. a motor; 502. a first bevel gear; 503. a screw; 504. a second bevel gear; 505. a fixing rod; 506. a first lifting block; 507. a second lifting block; 6. clamping a limiting block; 7. a fixed block; 8. a slider; 9. a limiting clamping shell; 10. a protection plate; 11. an avoidance groove; 12. a hinge shaft door frame; 13. a padding block; 14. a protection block; 15. an inner housing; 16. a supporting block; 17. a sponge block; 18. a shock absorbing spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example (b):

the embodiment of the application discloses bury maintenance structure of formula transformer. Referring to fig. 1-3, the maintenance structure of the buried transformer comprises an outer shell 1, an inner shell 15 is arranged inside the outer shell 1, and the outer shell 1 can limit and fix the inner shell 15. The inside of interior casing 15 is provided with buries formula transformer body 4, and interior casing 15 can play reinforcement and fixed effect to burying formula transformer body 4, and shell body 1 and interior casing 15 can play the guard action to burying formula transformer body 4 simultaneously for bury formula transformer body 4 safer in daily use, difficult emergence damage.

One side of shell body 1 and interior casing 15 has all been seted up and has been dodged groove 11, dodge groove 11 and can play the ventilation effect with the external world, it is difficult for taking place the accident because of the high temperature when daily use to make buried transformer body 4, dodge groove 11 simultaneously and can be used to connect and bury buried transformer body 4 and external cable, one side of interior casing 15 articulates through the hinge activity has hinge door frame 12, hinge door frame 12 can be used to play the control action of switch to interior casing 15, when the staff need restore buried transformer body 4, can have bigger space.

Referring to fig. 1-3, a lifting mechanism 5 is disposed between the outer shell 1 and the inner shell 15, and the lifting mechanism 5 can lift the inner shell 15 and the buried transformer body 4 inside the inner shell 15, so as to facilitate repair and maintenance of the buried transformer body 4 by workers. The lifting mechanism 5 includes a second lifting block 507 and a first lifting block 506 fixedly connected to the outside of the inner case 15, and the second lifting block 507 and the first lifting block 506 are slidably connected to the inside of the outer case 1.

Second lift piece 507 and first lift piece 506 can play the drive effect to inner housing 15 when taking place to reciprocate for inner housing 15 can follow second lift piece 507 and first lift piece 506 together and remove, and first lift piece 506 and second lift piece 507 still can play certain clamping action to inner housing 15 simultaneously, the further stability that has increased inner housing 15. Two screws 503 are rotatably connected inside the outer shell 1, two fixing rods 505 are fixedly connected inside the outer shell 1, the screws 503 are in threaded connection inside the second lifting block 507, the first lifting block 506 is in sliding connection outside the fixing rods 505, the two screws 503 are at opposite angles of the inner shell 15, and the two fixing rods 505 are at the other opposite angles of the inner shell 15.

Referring to fig. 1-3, the screw 503 can drive the second lifting block 507 to rotate when rotating, but at this time, because the inner casing 15 and the outer casing 1 have a limiting effect on the second lifting block 507, the rotation of the screw 503 will drive the second lifting block 507 to move up and down, and at the same time, the first lifting block 506 can limit the rising and falling of the inner casing 15 through the fixing rod 505, so that the inner casing 15 is not easy to shift when moving up and down.

The inside fixedly connected with bed hedgehopping piece 13 of shell body 1, the upside fixedly connected with motor 501 of bed hedgehopping piece 13, bed hedgehopping piece 13 can play the effect of the support of bed hedgehopping to motor 501 for motor 501 can be normal smooth going on using, the output shaft of motor 501 passes through the first conical gear 502 of shaft coupling fixedly connected with, the outside fixedly connected with second conical gear 504 of screw rod 503, second conical gear 504 meshes with first conical gear 502 mutually. When the motor 501 is started, the first bevel gear 502 and the second bevel gear 504 are engaged to drive the screw 503 to rotate, the first bevel gear 502 and the second bevel gear 504 can be engaged with each other, and the inner housing 15 is movably clamped with the limiting and clamping housing 9.

The inside fixedly connected with sponge piece 17 of spacing centre gripping casing 9, spacing centre gripping casing 9 can play fixed and spacing effect to sponge piece 17, and spacing centre gripping casing 9 can play the effect of spacing centre gripping and protection to buried transformer body 4 together with sponge piece 17 for buried transformer body 4 takes place to collide with the time with people or article in daily use. Difficult skew or rock takes place, has increased the fastness of buried transformer body 4 when using, and spacing centre gripping casing 9 all can adopt insulating material with buried transformer body 4 simultaneously.

Referring to fig. 4-6, the limiting clamping shell 9 is disposed outside the buried transformer body 4. Bury downside fixedly connected with protection piece 14 and supporting shoe 16 of formula transformer body 4,

protection piece

14 and 16 fixed connection of supporting shoe are in the inside of casing 15, and supporting shoe 16 can play the supporting role to burying formula transformer body 4 for bury formula transformer body 4 when placing in the inside of casing 15, be difficult for direct and casing 15 contact in, thereby buried formula transformer body 4 and the friction of casing 15 in between have been reduced.

And the protection piece 14 can play the guard action to the downside of burying formula transformer body 4 with earth, and when interior casing 15 accident broke, protection piece 14 can replace supporting shoe 16 to play support and guard action, and interior casing 15's outside fixedly connected with centre gripping stopper 6. The clamping limiting block 6 is fixedly connected with the outer shell 1, and the clamping limiting block 6 can play a main clamping role on the inner shell 15. Thereby make interior casing 15 more stable firm when burying formula transformer body 4 spacing or daily use, difficult emergence skew or rock, interior casing 15's downside is provided with damping spring 18, and damping spring 18's one end fixed connection is at interior casing 15's lower extreme, and damping spring 18's other end fixed connection is in the inside of shell body 1.

Referring to fig. 4-6, after the worker repairs the buried transformer body 4, the buried transformer body 4 needs to be operated to the original position, and when the inner housing 15 descends along with the driven buried transformer body 4, the inner housing 15 easily collides with the outer housing 1, so that the buried transformer body 4 is damaged, and the damping spring 18 can effectively damp the inner housing 15, thereby reducing the possibility of damage of the buried transformer body 4 due to descending. The outside fixedly connected with slider 8 of interior casing 15, the inside fixedly connected with fixed block 7 of shell body 1, slider 8 sliding connection is in the inside of fixed block 7, and fixed block 7 accessible slider 8 plays limiting displacement to interior casing 15 for interior casing 15 is more stable when driving slider 8 to go up and down, is difficult for taking place the skew or damage at the in-process of going up and down.

Referring to fig. 1 and 2, the upside fixedly connected with protection shield 10 of interior casing 15, protection shield 10 can play sheltering from and the guard action to the upside of burying formula transformer body 4 to further increase the security of burying formula transformer body 4 when daily use, the upside of shell body 1 articulates through the hinge activity has hinge door baffle 2. The hinge door baffle 2 can play a role in opening and closing the outer shell 1, so that the motor 501 can be started more conveniently by a worker;

meanwhile, the hinge door baffle 2 can further protect and shield the inner shell 15 and the buried transformer body 4 inside the inner shell 15. The upside fixedly connected with rubber sealing strip 3 of shell body 1, rubber sealing strip 3 sets up between shell body 1 and hinge door baffle 2, and rubber sealing strip 3 can be effectual plays sealed effect to the gap between shell body 1 and the hinge door baffle 2 for when rainy day, the rainwater is difficult for entering into the inside of interior casing 15 from the junction of shell body 1 and hinge door baffle 2.

The implementation principle of the maintenance structure of the buried transformer in the embodiment of the application is as follows: when the buried transformer body 4 needs to be maintained, a worker can open the hinged door baffle 2 and start the motor 501, the motor 501 drives the first bevel gear 502 to rotate, and the second bevel gear 504 drives the screw 503 to rotate due to the meshing of the first bevel gear 502 and the second bevel gear 504;

when the screw 503 is rotated, the second lifting block 507 can rotate due to the meshed relation with the screw 503, but at this moment, the second lifting block 507 is limited by the outer shell 1 and the inner shell 15, the first lifting block 506 is limited by the fixing rod 505, the second lifting block 507 can drive the inner shell 15 to ascend, when the inner shell 15 ascends to a certain height, the second lifting block can completely appear on the upper side of the ground, a worker can open the hinged door frame 12 and maintain the buried transformer body 4, after the worker completes maintenance on the buried transformer body 4, the hinged door frame 12 can be closed and the motor 501 can be reversely started, the inner shell 15 is driven to descend by the motor 501, finally, the hinged door frame 12 is closed, repair or maintenance on the buried transformer body 4 can be completed at this moment, and the problem that the existing buried transformer is extremely inconvenient when needing maintenance can be solved.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the modified concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides an overhaul structure of formula transformer buries, includes shell body (1), its characterized in that: the utility model discloses a transformer with the built-in lifting mechanism, including shell body (1), elevator mechanism (5), second elevator block (507) and first elevator block (506) outside shell body (15), the inside of shell body (1) is provided with interior casing (15) and buries formula transformer body (4) with the inside of interior casing (15), be provided with elevating system (5) between shell body (1) and interior casing (15), elevating system (5) include fixed connection in second elevator block (507) in the interior casing (15) outside, the inside of shell body (1) is rotated and is connected with screw rod (503), the inside fixedly connected with dead lever (505) of shell body (1), screw rod (503) threaded connection is in the inside of second elevator block (507), first elevator block (506) sliding connection is in the outside of dead lever (505), the inside fixedly connected with bed-up piece (13) of shell body (1), the upside fixedly connected with motor (501) of bed-up piece (13), the output shaft coupling fixedly connected with first conical gear (502) is passed through to the output shaft coupling, the outside fixedly connected with second conical gear (504) of screw rod (503), meshing mutually with second conical gear (504) and first conical gear (502).

2. An overhaul structure of a buried transformer according to claim 1, wherein: dodge groove (11) have all been seted up to one side of shell body (1) and interior casing (15), one side of interior casing (15) is articulated through the hinge activity has hinge door frame (12).

3. The overhaul structure of the buried transformer according to claim 1, wherein: the inside activity joint of interior casing (15) has spacing centre gripping casing (9), the inside fixedly connected with sponge piece (17) of spacing centre gripping casing (9), spacing centre gripping casing (9) set up in the outside of burying formula transformer body (4).

4. The overhaul structure of the buried transformer according to claim 1, wherein: the lower side of the buried transformer body (4) is fixedly connected with a protection block (14) and a supporting block (16), and the protection block (14) and the supporting block (16) are fixedly connected inside the inner shell (15).

5. The overhaul structure of the buried transformer according to claim 1, wherein: the outer side of the inner shell (15) is fixedly connected with a clamping limiting block (6), and the clamping limiting block (6) is fixedly connected with the outer shell (1).

6. The overhaul structure of the buried transformer according to claim 1, wherein: the downside of interior casing (15) is provided with damping spring (18), the one end fixed connection of damping spring (18) is at the lower extreme of interior casing (15), the other end fixed connection of damping spring (18) is in the inside of shell body (1).

7. The overhaul structure of the buried transformer according to claim 1, wherein: the outer side of the inner shell (15) is fixedly connected with a sliding block (8), the inner portion of the outer shell (1) is fixedly connected with a fixing block (7), and the sliding block (8) is connected to the inner portion of the fixing block (7) in a sliding mode.

8. The overhaul structure of the buried transformer according to claim 7, wherein: the utility model discloses a hinge door structure, including interior casing (15), upside fixedly connected with protection shield (10) of casing (15), the upside of shell body (1) articulates through the hinge activity has hinge door baffle (2), the upside fixedly connected with rubber sealing strip (3) of shell body (1), rubber sealing strip (3) set up between shell body (1) and hinge door baffle (2).