CN213583368U - Lifting type transformer convenient to maintain - Google Patents

Abstract

The utility model relates to a transformer technical field especially relates to a lift type is convenient for maintenance's transformer. The supporting seat is fixedly arranged on the transformer oil tank above the wavy radiating fins, the lifting seat is fixedly arranged on the supporting seat, the reinforcing rib is fixedly arranged in the middle position of the top of the gland in the length direction, the left side of the reinforcing rib exceeds the left side of the gland, the top of the screw rod is provided with a top block, the top block is arranged right below the left side of the reinforcing rib, and the screw rod is driven to lift when a driving shaft on the lifting seat is rotated by a crank, so that the gland and an iron core assembly can be pushed to lift together, and the subsequent maintenance work is facilitated; the fixed two sets of linear bearing that are provided with in inside left side top of transformer tank, the guide shaft sliding connection on the iron core assembly can play the effect that the iron core assembly is directional to be promoted on linear bearing, takes place the sideslip when preventing that the iron core assembly from promoting.

Description

Lifting type transformer convenient to maintain

Technical Field

The utility model relates to a transformer technical field especially relates to a lift type is convenient for maintenance's transformer.

Background

When the transformer is installed, the fixing frame is generally fixed on an electric wire, then the transformer is lifted up and fixed on the fixing frame through a forklift or a crane, and the transformer is a certain height away from the ground; before the high-voltage and low-voltage cables are installed, the internal elements of the transformer need to be detected, the cover plate above the transformer is opened through a crane, the cover plate above the transformer and the iron core are lifted up through the crane, the iron core and the main parts in the oil tank are observed and detected, and the cover plate is put down and fixed after the detection is correct; when the transformer is maintained, the cover plate is lifted and opened by a crane in the same way, and then the transformer is overhauled.

The crane is required to be configured for installation and follow-up maintenance of the transformer, time and labor are wasted, the maintenance cost of the transformer is high, and when the crane suspends the iron core in a hanging manner and shakes, the coil on the iron core is broken easily, so that the transformer cannot work when damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the above-mentioned technique is not enough, provide a lift type transformer convenient to maintain, include wave-shaped radiating fin top fixed be provided with the supporting seat on the transformer tank, the lift seat is fixed to be set up on the supporting seat, the gland top intermediate position is fixed to be provided with the strengthening rib in the length direction, the strengthening rib left side surpasss the gland left side, the screw rod top is provided with the kicking block, the kicking block sets up under the strengthening rib left side, can drive the screw rod to go up and down when rotating the drive shaft on the lift seat through the crank, thus can promote gland and iron core assembly to lift up together, make things convenient for follow-up maintenance work; the fixed two sets of linear bearing that are provided with in inside left side top of transformer tank, the guide shaft sliding connection on the iron core assembly can play the effect that the iron core assembly is directional to be promoted on linear bearing, takes place the sideslip when preventing that the iron core assembly from promoting.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the device comprises a transformer oil tank, an iron core assembly and a maintenance lifting device; the iron core assembly is arranged inside the transformer oil tank; a gland is arranged at the top of the transformer oil tank; the iron core assembly is fixedly arranged below the gland; the maintenance lifting device is arranged on one side of the transformer oil tank; the maintenance lifting device comprises a lifting seat and a screw rod; the lifting seat is arranged on one side of the transformer oil tank; the screw rod penetrates through the middle part of the lifting seat in a threaded connection mode and is used for driving the gland to lift; and a driving shaft is arranged on one side of the lifting seat.

Further optimizing the technical scheme, two groups of linear bearings are fixedly arranged above the left side inside the transformer oil tank; the front side and the rear side of the top of the iron core assembly are provided with clamping pieces; a support frame is fixedly arranged at the top of the left side of the clamping piece; a guide shaft is fixedly arranged below the support frame; the guide shaft is connected to the linear bearing in a penetrating and sliding manner.

Further optimizing the technical scheme, the corrugated radiating fin is arranged outside the left side of the transformer oil tank; a supporting seat is fixedly arranged on the transformer oil tank above the wavy radiating fins; the lifting seat is fixedly arranged on the supporting seat.

Further optimizing the technical scheme, gaps are arranged among the wavy radiating fins in the vertical direction; the screw is arranged inside the gap.

Further optimize this technical scheme, gland top intermediate position fixedly be provided with the strengthening rib in length direction.

The technical scheme is further optimized, and the left side of the reinforcing rib exceeds the left side of the gland; the top of the screw is provided with a top block; the ejector block is arranged right below the left side of the reinforcing rib.

Compared with the prior art, the utility model has the advantages of it is following:

1. when the driving shaft on the lifting seat is rotated by the crank handle, the screw rod can be driven to lift, so that the gland and the iron core assembly can be pushed to lift together, and the follow-up maintenance work is facilitated.

2. The fixed two sets of linear bearing that are provided with in inside left side top of transformer tank, the guide shaft sliding connection on the iron core assembly can play the effect that the iron core assembly is directional to be promoted on linear bearing, takes place the sideslip when preventing that the iron core assembly from promoting.

3. The design of whole device when overhauing the transformer, need not to mention the iron core assembly with the help of crane and fork truck, can realize rising the work of iron core assembly through rotating the drive shaft of lift seat one side, and the cost of overhaul is lower, and work efficiency is high moreover, and iron core assembly promotes the process more steady.

Drawings

Fig. 1 is a perspective view of a lifting type easy-to-maintain transformer.

Fig. 2 is a schematic diagram of a lifting state of a lifting-type easy-to-maintain transformer.

Fig. 3 is a partially enlarged view of a linear bearing mounting portion of a lifting type easy-to-maintain transformer.

Fig. 4 is a partially enlarged view of a mounting portion of a lifting seat of a lifting type maintenance-convenient transformer.

In the figure: 1. a transformer tank; 101. a corrugated heat sink fin; 102. a supporting seat; 103. a void; 2. an iron core assembly; 3. overhauling the lifting device; 301. a lifting seat; 302. a screw; 303. a drive shaft; 304. a linear bearing; 305. a clamp; 306. a support frame; 307. a guide shaft; 308. a top block; 4. a gland; 401. and (5) reinforcing ribs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: referring to fig. 1-4, a lifting transformer convenient for maintenance is characterized in that: the device comprises a transformer oil tank 1, an iron core assembly 2 and a maintenance lifting device 3; the iron core assembly 2 is arranged inside the transformer oil tank 1; the top of the transformer oil tank 1 is provided with a gland 4; the iron core assembly 2 is fixedly arranged below the gland 4; the maintenance lifting device 3 is arranged on one side of the transformer oil tank 1; the maintenance lifting device 3 comprises a lifting seat 301 and a screw 302; the lifting seat 301 is arranged on one side of the transformer oil tank 1; the screw 302 penetrates through the middle part of the lifting seat 301 in a threaded connection manner and is used for driving the gland 4 to lift; a driving shaft 303 is arranged on one side of the lifting seat 301.

Preferably, two groups of linear bearings 304 are fixedly arranged above the left side inside the transformer oil tank 1; clamping pieces 305 are arranged on the front side and the rear side of the top of the iron core assembly 2; a support frame 306 is fixedly arranged at the top of the left side of the clamping piece 305; a guide shaft 307 is fixedly arranged below the support frame 306; the guide shaft 307 is slidably connected to the linear bearing 304.

Preferably, the corrugated heat dissipation fin 101 is arranged outside the left side of the transformer oil tank 1; a supporting seat 102 is fixedly arranged on the transformer oil tank 1 above the corrugated radiating fins 101; the lifting seat 301 is fixedly arranged on the supporting seat 102.

Preferably, a gap 103 is provided between the corrugated heat dissipation fins 101 in the vertical direction; the screw 302 is disposed inside the void 103.

Preferably, a reinforcing rib 401 is fixedly arranged at the middle position of the top of the gland 4 in the length direction.

Preferably, the left side of the reinforcing rib 401 exceeds the left side of the gland 4; the top of the screw 302 is provided with a top block 308; the top block 308 is arranged right below the left side of the reinforcing rib 401.

The working principle is that, as shown in fig. 1-4, when an iron core assembly 2 and a coil winding inside a transformer are overhauled, bolts on the upper periphery of a gland 4 are loosened, a crank rotates a driving shaft 303 on one side of a lifting seat 301, the driving shaft 303 pushes a screw 302 to ascend when rotating, a reinforcing rib 401 is fixedly arranged in the middle position of the top of the gland 4 in the length direction, the left side of the reinforcing rib 401 exceeds the left side of the gland 4, a top block 308 is arranged on the top of the screw 302, the top block 308 is arranged right below the left side of the reinforcing rib 401, and the reinforcing rib 401 is driven to move upwards when the screw 302 moves upwards, so that the gland 4 and the iron core assembly 2 are driven to ascend through the reinforcing rib 401; the arrangement of the reinforcing ribs 401 not only can enhance the strength of the gland 4, but also can play a role in lifting the gland 4.

Two groups of linear bearings 304 are fixedly arranged above the left side inside the transformer oil tank 1, clamping pieces 305 are arranged on the front side and the rear side of the top of the iron core assembly 2, a supporting frame 306 is fixedly arranged on the top of the left side of each clamping piece 305, a guide shaft 307 is fixedly arranged below each supporting frame 306, each guide shaft 307 is connected to the corresponding linear bearing 304 in a penetrating and sliding manner, and when the gland 4 and the iron core assembly 2 move upwards, the clamping pieces 305 and the supporting frames 306 are driven to move upwards together, so that the guide shafts 307 are driven to slide upwards along the linear bearings 304; the guide shaft 307 on the iron core assembly 2 is slidably connected to the linear bearing 304, so that the iron core assembly 2 can be directionally lifted, lateral deviation is prevented when the iron core assembly 2 is lifted, and the iron core assembly 2 is relatively stable in the lifting process.

Rotating the driving shaft 303 to adjust the iron core assembly 2 to a proper height, and observing the connection part of the iron core, the coil winding and the main line; after detection is finished, the crank is rotated reversely, the screw 302 descends, so that the pressing cover 4 and the iron core assembly 2 fall together, when the pressing cover 4 is contacted with the upper surface of the transformer oil tank 1, the iron core assembly 2 descends to the bottommost part, and finally the pressing cover 4 is fixed on the transformer oil tank 1 through bolts.

The design of whole device when overhauing the transformer, need not to mention iron core assembly 2 with the help of crane and fork truck, can realize the work that plays iron core assembly 2 through rotating the drive shaft 303 of lift seat 301 one side, and the cost of overhaul is lower, and work efficiency is high moreover, and iron core assembly 2 promotes the process more steady.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (6)

1. The utility model provides a transformer of maintenance is convenient for to lift type which characterized in that: comprises a transformer oil tank (1), an iron core assembly (2) and a maintenance lifting device (3); the iron core assembly (2) is arranged inside the transformer oil tank (1); a gland (4) is arranged at the top of the transformer oil tank (1); the iron core assembly (2) is fixedly arranged below the gland (4); the maintenance lifting device (3) is arranged on one side of the transformer oil tank (1); the maintenance lifting device (3) comprises a lifting seat (301) and a screw (302); the lifting seat (301) is arranged on one side of the transformer oil tank (1); the screw (302) penetrates through the middle part of the lifting seat (301) and is in threaded connection with the middle part of the lifting seat (301) and used for driving the gland (4) to lift; and a driving shaft (303) is arranged on one side of the lifting seat (301).

2. A lift-type service-friendly transformer as claimed in claim 1, wherein: two groups of linear bearings (304) are fixedly arranged above the left side inside the transformer oil tank (1); clamping pieces (305) are arranged on the front side and the rear side of the top of the iron core assembly (2); a support frame (306) is fixedly arranged at the top of the left side of the clamping piece (305); a guide shaft (307) is fixedly arranged below the support frame (306); the guide shaft (307) is connected to the linear bearing (304) in a penetrating and sliding manner.

3. A lift-type service-friendly transformer as claimed in claim 1, wherein: the corrugated radiating fin (101) is arranged outside the left side of the transformer oil tank (1); a supporting seat (102) is fixedly arranged above the corrugated radiating fin (101) on the transformer oil tank (1); the lifting seat (301) is fixedly arranged on the supporting seat (102).

4. A lift-type service-friendly transformer as claimed in claim 3, wherein: gaps (103) are arranged between the corrugated radiating fins (101) in the vertical direction; the screw (302) is arranged inside the gap (103).

5. A lift-type service-friendly transformer as claimed in claim 1, wherein: and a reinforcing rib (401) is fixedly arranged in the middle of the top of the gland (4) in the length direction.

6. A lift-type service-friendly transformer as claimed in claim 5, in which: the left side of the reinforcing rib (401) exceeds the left side of the gland (4); the top of the screw rod (302) is provided with a top block (308); the top block (308) is arranged right below the left side of the reinforcing rib (401).

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