On-line replacement device for transformer cooling fan

Abstract

The utility model discloses an on-line replacement device for a transformer cooling fan, and aims to provide the on-line replacement device for the transformer cooling fan, which is convenient to disassemble and assemble, can be replaced without shutdown and is prolonged in service life. The transformer cooling device comprises an installation base and a push-pull part, the installation base is located in a transformer, a sliding mechanism is arranged on the installation base, a sliding seat is arranged on the sliding mechanism in a sliding fit mode, a cooling fan is installed on the sliding seat, and the sliding seat slides when the push-pull part is driven. A push-pull part locking piece is arranged on the push-pull part, the push-pull part locking piece can be locked on the mounting base, and the cooling fan can slide and leave / enter the transformer when the push-pull part is driven. The transformer is applied to the technical field of transformers.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, and particularly relates to an on-line replacement device for a transformer cooling fan. Background Art

[0002] In the production of single crystal silicon rods, the requirement for power supply stability is very high. It is necessary to maintain uninterrupted power supply and power outage during the production process is not allowed, otherwise wire breakage or rod dropping will occur, resulting in huge property losses. Dry-type transformers are widely used power supply equipment in the production of single crystal silicon rods, and most of them are box-type transformers. To improve the power carrying capacity of dry-type transformers, reduce the temperature rise during operation, delay the aging of transformer insulation, and extend the service life of transformers, generally, a cross-flow cooling fan is installed on each side below the winding column of the dry-type transformer, and the start and stop are controlled by a temperature controller installed on the transformer box body to forcibly cool the dry-type transformer.

[0003] During the live operation of a dry-type transformer, when the cooling fan fails, in order to reduce the damage to the insulation of the transformer winding, it is necessary to replace the new cooling fan as soon as possible. The cooling fan is generally fixedly installed on the base bracket inside the transformer box body, and it is impossible to enter the transformer box body for maintenance work without power outage. Therefore, it is necessary to update the installation method of the transformer cooling fan so that when the cooling fan of the dry-type transformer fails and needs to be replaced, it can be replaced more conveniently, the replacement time of the faulty cooling fan can be shortened, the insulation deterioration of the dry-type transformer can be effectively prevented, and the operation reliability can be improved. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an on-line replacement device for a transformer cooling fan that is easy to disassemble and assemble, can be replaced without shutting down, and has an extended service life.

[0005] The technical solution adopted by the utility model is as follows: The utility model includes an installation base and a pushing and pulling part. The installation base is located in the transformer. A sliding mechanism is arranged on the installation base. A sliding seat is slidably matched on the sliding mechanism. A cooling fan is installed on the sliding seat. The sliding seat slides when the pushing and pulling part is driven. A pushing and pulling part locking part is arranged on the pushing and pulling part. The pushing and pulling part locking part can be locked on the installation base. The cooling fan can slide and leave / enter the transformer when the pushing and pulling part is driven.

[0006] Further, the pushing and pulling part locking part includes a first lock hole and a locking part. A second lock hole is arranged on the installation base. The locking part can be locked on the first lock hole and the second lock hole.

[0007] Further, the number of the pushing and pulling part locking parts is two.

[0008] Furthermore, the mounting base has a locking block, and the second locking hole is formed on the locking block.

[0009] Furthermore, both the first locking hole and the second locking hole have internal threads, and the locking member is threadedly connected to the first locking hole and the second locking hole.

[0010] Furthermore, the sliding mechanism includes two fixed sliders, and slide rail guides are slidably fitted on both of the fixed sliders, and the sliding seat is disposed on the two slide rail guides.

[0011] Furthermore, the mounting base includes a transformer base, and two fixed platforms are disposed on the transformer base, and the two fixed sliders are respectively fixedly connected to the two fixed platforms.

[0012] Furthermore, the transformer base includes two split bases, and the two fixed platforms are respectively disposed on the two split bases.

[0013] Furthermore, the pushing and pulling portion is a pull rod.

[0014] Furthermore, the pushing and pulling portion is disposed on the two slide rail guides.

[0015] The beneficial effects of the present utility model are as follows:

[0016] Compared with the deficiencies of the prior art, the present utility model can replace the cooling fan online when the dry-type transformer is not powered off, can realize the quick disassembly and assembly of the cooling fan of the dry-type transformer, can reduce the production losses caused by manpower and power outage, and at the same time reduce the operation risk of the transformer and extend the service life of the transformer, so that the present utility model has the advantages of being convenient for disassembly and assembly, capable of replacing without shutting down the machine, and extending the service life. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts.

[0018] Figure 1 is a schematic three-dimensional structure of the present utility model Figure 1 ;

[0019] Figure 2 is a schematic three-dimensional structure of the present utility model Figure 2 ;

[0020] Figure 3Schematic three-dimensional structure of the present utility model Figure 3 .

[0021] The reference numerals are as follows:

[0022] 1. Installation base; 2. Pushing and pulling part; 3. Sliding mechanism; 5. Sliding seat; 6. Cooling fan; 7. Locking member for pushing and pulling part; 8. First lock hole; 10. Second lock hole; 11. Locking block; 12. Fixed slider; 13. Slide rail; 15. Transformer base; 16. Fixed platform; 17. Split base.

[0023] The realization, functional features and advantages of the purpose of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] It should be noted that all directional indications in the embodiments of the present utility model, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0027] Such as Figures 1 to 3As shown, in this embodiment, the utility model includes an installation base 1 and a pushing and pulling part 2. The installation base 1 is located in the transformer. A sliding mechanism 3 is provided on the installation base 1. A sliding seat 5 is slidably engaged with the sliding mechanism 3. A cooling fan 6 is installed on the sliding seat 5. The sliding seat 5 slides when the pushing and pulling part 2 is driven. A pushing and pulling part locking member 7 is provided on the pushing and pulling part 2. The pushing and pulling part locking member 7 can be locked on the installation base 1. The cooling fan 6 can slide and leave / enter the transformer when the pushing and pulling part 2 is driven. Among them, the installation base 1 is located in the box body of the transformer. The cooling fan 6 is installed on the sliding seat 5 by bolts. The sliding seat 5 slides through the sliding mechanism 3. The sliding mechanism 3 is located near the inner wall of the box body of the transformer. And a corresponding inspection window is opened on the box body of the transformer. Among them, the height of the inspection window is higher than the upper edge of the installation height of the cooling fan 6.

[0028] During the operation of the transformer, open the inspection window, so that when the transformer is in a non-powered-off state, after unlocking the pushing and pulling part locking member 7, pull the pushing and pulling part 2, so as to slide and drag the faulty cooling fan 6 out of the box body of the transformer for replacement; after the replacement is completed, the cooling fan 6 slides and returns to the box body of the transformer when the pushing and pulling part 2 is pushed. Further lock the positions of the pushing and pulling part 2 and the cooling fan 6 through the pushing and pulling part locking member 7, and then close the inspection window, thus completing the replacement of the cooling fan 6.

[0029] Compared with the deficiencies of the prior art, in the utility model, when it is necessary to replace the faulty cooling fan 6, pull the pushing and pulling part 2 to pull the cooling fan 6 located in the box body of the transformer out of the box, so as to facilitate the replacement of the cooling fan 6. Further, push the pushing and pulling part 2 to push the replaced cooling fan 6 back into the box body of the transformer, so as to facilitate the replacement of the cooling fan 6 without shutting down the machine. Therefore, the utility model can replace the cooling fan 6 online when the dry-type transformer is not powered off, can realize the quick disassembly and assembly of the cooling fan 6 of the dry-type transformer, can reduce the production losses caused by manpower and power outage, and at the same time reduce the operation risk of the transformer and extend the service life of the transformer, making the utility model have the advantages of being easy to disassemble and assemble, capable of replacing without shutting down the machine and extending the service life.

[0030] In some embodiments, the push-pull part locking member 7 includes a first locking hole 8 and a locking member. A second locking hole 10 is provided on the mounting base 1, and the locking member can be locked on the first locking hole 8 and the second locking hole 10. The number of the push-pull part locking members 7 is two. The mounting base 1 has a locking block 11, and the second locking hole 10 is formed in the locking block 11. Both the first locking hole 8 and the second locking hole 10 have internal threads, and the locking member is threadedly connected to the first locking hole 8 and the second locking hole 10. Wherein, the locking member can be a bolt, and the first locking hole 8 is aligned with the second locking hole 10. Specifically, when it is necessary to replace the cooling fan 6 or after the replacement of the cooling fan 6 is completed, the position of the push-pull part 2 and the cooling fan 6 can be locked by connecting the locking member to the first locking hole 8 and the second locking hole 10.

[0031] In some embodiments, the sliding mechanism 3 includes two fixed sliders 12. A slide rail 13 is slidably fitted on each of the two fixed sliders 12, and the sliding seat 5 is arranged on the two slide rails 13. The mounting base 1 includes a transformer base 15. Two fixed platforms 16 are provided on the transformer base 15, and the two fixed sliders 12 are respectively fixedly connected to the two fixed platforms 16. The transformer base 15 includes two split bases 17, and the two fixed platforms 16 are respectively arranged on the two split bases 17. Among them, the two fixed platforms 16 are welded to the transformer base 15, thereby providing a larger and wider installation environment for the fixed sliders 12. The bottoms of the two fixed sliders 12 are respectively fixedly connected to the two fixed platforms 16 by bolts, thereby providing a support point for the slide rails 13. The two slide rails 13 are parallel to each other and are respectively installed on the two fixed sliders 12, so that the slide rails 13 can move freely to drive the sliding seat 5 and the cooling fan 6 to move simultaneously.

[0032] In some embodiments, the push-pull part 2 is a pull rod. The push-pull part 2 is arranged on the two slide rails 13. Specifically, by fixing the push-pull part 2 on the two parallel slide rails 13, the two slide rails 13 can be driven to move by pushing and pulling the push-pull part 2, so as to drive the sliding seat 5 and the cooling fan 6 to move simultaneously.

[0033] The operation process of the present utility model is as follows:

[0034] Cut off the power supply of the cooling fan 6 located in the box body of the transformer, and open the inspection window on the box body of the transformer; further remove the locking member from the first lock hole 8 and the second lock hole 10; further pull the push-pull part 2 so that the slide rail 13 moves away from the transformer to move the cooling fan 6 out of the box; during replacement, loosen the wiring terminal of the cooling fan 6 and the bolts at the bottom of the cooling fan 6, and further remove the cooling fan 6, install a new cooling fan 6; after the installation of the new cooling fan 6 is completed, connect the power cord, push the push-pull part 2, push the cooling fan 6 into the box body of the transformer, lock the locking member on the first lock hole 8 and the second lock hole 10, and close the inspection window, thus completing the on-line replacement of the cooling fan 6.

[0035] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made by using the content of the specification and drawings of the present invention under the inventive concept of the present invention, or direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. An on-line replacement device for a transformer cooling fan, characterized in that: It includes an installation base (1) and a push-pull part (2). The installation base (1) is located in the transformer. A sliding mechanism (3) is provided on the installation base (1). A sliding seat (5) is slidably engaged with the sliding mechanism (3). A cooling fan (6) is installed on the sliding seat (5). The sliding seat (5) slides when the push-pull part (2) is driven. A push-pull part locking member (7) is provided on the push-pull part (2). The push-pull part locking member (7) can be locked on the installation base (1). The cooling fan (6) can slide and leave / enter the transformer when the push-pull part (2) is driven.

2. The on-line replacement device for a transformer cooling fan according to claim 1, characterized in that: The push-pull part locking member (7) includes a first lock hole (8) and a locking member. A second lock hole (10) is provided on the installation base (1). The locking member can be locked on the first lock hole (8) and the second lock hole (10).

3. An on-line replacement device for a transformer cooling fan according to claim 2, characterized in that: The number of the push-pull part locking members (7) is two.

4. The on-line replacement device for a transformer cooling fan according to claim 2, characterized in that: The installation base (1) has a locking block (11). The second lock hole (10) is formed on the locking block (11).

5. An on-line replacement device for a transformer cooling fan according to any one of claims 2-4, characterized in that: Both the first lock hole (8) and the second lock hole (10) have internal threads. The locking member is threadedly connected to the first lock hole (8) and the second lock hole (10).

6. The on-line replacement device for a transformer cooling fan according to claim 1, wherein: The sliding mechanism (3) includes two fixed sliders (12). A slide rail (13) is slidably engaged with each of the two fixed sliders (12). The sliding seat (5) is arranged on the two slide rails (13).

7. An on-line replacement device for a transformer cooling fan according to claim 6, characterized in that: The installation base (1) includes a transformer base (15). Two fixed platforms (16) are provided on the transformer base (15). The two fixed sliders (12) are respectively fixedly connected to the two fixed platforms (16).

8. An on-line replacement device for a transformer cooling fan according to claim 7, characterized in that: The transformer base (15) includes two split bases (17). The two fixed platforms (16) are respectively arranged on the two split bases (17).

9. The on-line replacement device for a transformer cooling fan according to claim 1, characterized in that: The push-pull part (2) is a pull rod.

10. The on-line replacement device for a transformer cooling fan according to claim 6, characterized in that: The push-pull part (2) is arranged on the two slide rails (13).

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