Device facilitating maintenance and replacement of cooling fan of dry-type transformer
By designing an automated disassembly and connection mechanism, the problems of difficult replacement and personal danger caused by malfunctions in the cooling fans of dry-type transformers during operation have been solved, enabling convenient maintenance and safe replacement of the fans.
Patent Information
- Application Number
- CN202422748115.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Dry-type transformer cooling fans are prone to malfunction during operation, which can lead to personal injury risks during replacement or repair and affect normal power supply.
A device including a disassembly mechanism and a connection mechanism was designed. Using components such as servo motors, lead screws and magnets, the device can automatically disassemble and connect the fan casing and the transformer casing, avoiding manual access to high-voltage areas.
It enables convenient disassembly and replacement of the wind turbine, protects the safety of staff, and avoids power supply disruptions caused by transformer shutdowns.
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Figure CN223612170U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical technical field, concretely is a device convenient to dry -type transformer cooling fan maintenance and replacement. BACKGROUND
[0002] Dry -type transformer is widely used in partial lighting, high -rise building, airport, wharf CNC mechanical equipment etc. place, simply say dry -type transformer is just the transformer of iron core and winding not dipping in insulating oil, because its own heat needs to be taken away when working, so dry -type transformer box body inside every phase is configured two heat dissipation fans, usually bolted in the bottom of transformer box body, and the fan start -stop is controlled by transformer temperature controller.
[0003] Dry -type transformer cooling fan often appears the fault in the operation, because there is high voltage in the transformer, replacing or repairing the fan in the transformer operation is easy to cause personal injury, and the outage transformer will affect normal power supply, so that the replacement of cooling fan is more inconvenient. UTILITY MODEL CONTENT
[0004] The utility model discloses a device convenient to dry -type transformer cooling fan maintenance and replacement, to solve the dry -type transformer cooling fan in the operation that often appears the fault in the above -mentioned background art, because there is high voltage in the transformer, replacing or repairing the fan in the transformer operation is easy to cause personal injury, and the outage transformer will affect normal power supply, so that the replacement of cooling fan is more inconvenient.
[0005] In order to solve the above technical problem, the utility model provides the following technical scheme: a device convenient to dry -type transformer cooling fan maintenance and replacement, including dry -type transformer casing, the outside of dry -type transformer casing is provided with the dismounting mechanism, and one end of dry -type transformer casing is provided with connecting mechanism;
[0006] The dismounting mechanism includes dismounting seat and mounting seat, the inner side of dismounting seat is rotatably connected with first lead screw, the outside of first lead screw is connected with first moving block with screw thread, the top of first moving block is fixedly connected with first air cylinder, one end of first air cylinder is installed with first servo motor, one end of first servo motor is installed with pivot, one end of pivot is fixedly connected with clamping block, the inner side of mounting seat is rotatably connected with second lead screw, the outside of second lead screw is connected with second moving block with screw thread, one end of second lead screw is installed with first gear, one end of first gear is engaged with second gear, and the middle part of second gear is installed with rotating rod.
[0007] Preferably, the mounting seat is provided with a plurality of linear array distribution, and one end of the mounting seat is fixedly connected with one end of the dry -type transformer casing.
[0008] Preferably, one end of the first screw rod is provided with a second servo motor, and the top of the second moving block is bolted with a fan shell.
[0009] Preferably, one end of the rotating rod is provided with a clamping groove, and one end of the rotating rod is rotationally connected with one end of the mounting base.
[0010] Preferably, the connecting mechanism comprises a connecting groove, the inner side of the connecting groove is provided with a first magnet, one end of the first magnet is provided with a second magnet, and one end of the second magnet is fixedly connected with a connecting block.
[0011] Preferably, a plurality of connecting grooves are arranged on the outer side of the dry-type transformer shell.
[0012] Preferably, a plurality of connecting blocks are arranged, and one end of the plurality of connecting blocks is fixedly connected with one end of the fan shell.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] Firstly, the fan shell and the second moving block are installed through bolts and the like, so that the fan shell and the mounting base are connected, then the fan shell and the dry-type transformer shell are connected through the connecting mechanism, so that the fan in the fan shell can cool the dry-type transformer, when the fan needs to be replaced, the second servo motor is started to drive the first screw rod to rotate, thereby driving the first moving block to move in the inner side of the dismounting seat, so that the first air cylinder is driven to move, until the rotating shaft is moved to the rotating rod, then the clamping block at the rotating shaft is pushed by the first air cylinder and clamped in the clamping groove in the rotating rod, so that the rotating shaft and the rotating rod are connected, then the rotating shaft is driven to rotate through the first servo motor, thereby driving the rotating rod to rotate, so that the second gear outside is driven to rotate, thereby driving the first gear to rotate, so that the second screw rod is driven to rotate, thereby driving the second moving block to move towards the dismounting seat, so that the fan shell on the top of the second moving block is disconnected with the dry-type transformer shell, so that the fan shell is removed, the fan in the fan shell is conveniently replaced and repaired, manual dismounting of the fan from the dry-type transformer is not needed, according to the fan to be replaced, the rotating shaft is moved to the mounting base at the fan shell to be dismounted through the first moving block, so that the convenient dismounting operation is completed, and the effect of protecting workers is achieved.
[0015] Secondly, the connecting grooves are arranged on the outer side of the dry-type transformer shell, so that when the second moving block drives the fan shell to move towards the dry-type transformer shell, the connecting block at the fan shell can be inserted into the connecting groove, and the tightness of the connection is improved through the first magnet and the second magnet, so that the connection operation is completed, and the effect of conveniently connecting the fan is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall perspective view of the utility model;
[0017] Figure 2 It is the enlarged view of A of the utility model;
[0018] Figure 3 It is the sectional view of the mounting seat of the utility model;
[0019] Figure 4 It is the enlarged view of B of the utility model.
[0020] Wherein: 1, dry-type transformer shell, 2, dismounting mechanism, 3, connecting mechanism, 21, dismounting seat, 22, first screw rod, 23, first moving block, 24, first air cylinder, 25, first servo motor, 26, rotating shaft, 27, clamping block, 28, mounting seat, 29, second screw rod, 201, second moving block, 202, first gear, 203, second gear, 204, rotating rod, 205, fan shell, 31, connecting groove, 32, first magnet, 33, second magnet, 34, connecting block. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.
[0022] The utility model provides the following technical solutions:
[0023] Embodiment one
[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 A device convenient for dry-type transformer cooling fan maintenance and replacement, including dry-type transformer shell 1, the outside of dry-type transformer shell 1 is provided with dismounting mechanism 2, and one end of dry-type transformer shell 1 is provided with connecting mechanism 3.
[0025] The dismounting mechanism 2 comprises a dismounting seat 21 and a mounting seat 28, the inner side of the dismounting seat 21 is rotationally connected with a first lead screw 22, the outer side of the first lead screw 22 is threadedly connected with a first moving block 23, the top of the first moving block 23 is fixedly connected with a first air cylinder 24, one end of the first air cylinder 24 is provided with a first servo motor 25, one end of the first servo motor 25 is provided with a rotating shaft 26, one end of the rotating shaft 26 is fixedly connected with a clamping block 27, the inner side of the mounting seat 28 is rotationally connected with a second lead screw 29, the outer side of the second lead screw 29 is threadedly connected with a second moving block 201, one end of the second lead screw 29 is provided with a first gear 202, one end of the first gear 202 is engaged with a second gear 203, the middle of the second gear 203 is provided with a rotating rod 204.
[0026] The mounting seat 28 is provided with a plurality of mounting seats 28, the plurality of mounting seats 28 are arranged in a linear array, and one end of the plurality of mounting seats 28 is fixedly connected with one end of the dry-type transformer shell 1.
[0027] One end of the first lead screw 22 is provided with a second servo motor, and the top of the second moving block 201 is bolted with a fan shell 205.
[0028] One end of the rotating rod 204 is provided with a clamping groove, and one end of the rotating rod 204 is rotationally connected with one end of the mounting seat 28.
[0029] Through the above technical scheme, the fan shell 205 is installed with the second moving block 201 through bolts and the like, so as to connect the fan shell 205 with the mounting seat 28, and then the fan shell 205 is connected with the dry-type transformer shell 1 through the connecting mechanism 3, so that the fan in the fan shell 205 can cool the dry-type transformer, when the fan needs to be replaced, the second servo motor is started to drive the first lead screw 22 to rotate, and then the first moving block 23 is moved in the inner side of the dismounting seat 21, so as to drive the first air cylinder 24 to move, until the rotating shaft 26 is moved to the rotating rod 204, then the clamping block 27 at the rotating shaft 26 is pushed by the first air cylinder 24 to be clamped into the clamping groove in the rotating rod 204, so that the rotating shaft 26 is connected with the rotating rod 204, then the first servo motor 25 drives the rotating shaft 26 to rotate, and then the rotating rod 204 is driven to rotate, so that the external second gear 203 is driven to rotate, and then the first gear 202 is driven to rotate, so that the second lead screw 29 is driven to rotate, and then the second moving block 201 is moved towards the dismounting seat 21, so as to drive the fan shell 205 on the top of the second moving block 201 to be disconnected with the dry-type transformer shell 1, so as to remove the fan shell 205, so as to facilitate the replacement and maintenance of the fan in the fan shell 205, without manual dismounting of the fan of the dry-type transformer, according to the fan to be replaced, the rotating shaft 26 is moved to the mounting seat 28 of the fan shell 205 to be dismounted through the first moving block 23, so as to complete the convenient dismounting operation, and the effect of protecting the workers is achieved.
[0030] Embodiment two
[0031] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And on the basis of embodiment one, further obtained: the connecting mechanism 3 includes a connecting slot 31, the inner side of the connecting slot 31 is provided with a first magnet 32, one end of the first magnet 32 is provided with a second magnet 33, one end of the second magnet 33 is fixedly connected with a connecting block 34.
[0032] The connecting slot 31 is provided with a plurality of connecting slots 31, and the connecting slot 31 is arranged outside the dry-type transformer shell 1.
[0033] The connecting block 34 is provided with a plurality of connecting blocks 34, and one end of the plurality of connecting blocks 34 is fixedly connected with one end of the fan shell 205.
[0034] Through the above technical scheme, by arranging the connecting slot 31 outside the dry-type transformer shell 1, when the second moving block 201 drives the fan shell 205 to move towards the dry-type transformer shell 1, the connecting block 34 at the fan shell 205 can be inserted into the connecting slot 31, and the tightness of the connection is improved through the first magnet 32 and the second magnet 33, so as to complete the connection operation, and the effect of facilitating the connection of the fan is achieved.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits, and the scope of the changes, modifications, replacements and variations is defined by the appended claims and their equivalents.
Claims
1. A device for facilitating maintenance and replacement of a dry-type transformer cooling fan, comprising a dry-type transformer housing (1), characterized in that: The dry-type transformer shell (1) is provided with a dismounting mechanism (2) outside, and one end of the dry-type transformer shell (1) is provided with a connecting mechanism (3); The dismounting mechanism (2) comprises a dismounting seat (21) and a mounting seat (28), the inner side of the dismounting seat (21) is rotationally connected with a first lead screw (22), the outer side of the first lead screw (22) is threadedly connected with a first moving block (23), the top of the first moving block (23) is fixedly connected with a first air cylinder (24), one end of the first air cylinder (24) is provided with a first servo motor (25), one end of the first servo motor (25) is provided with a rotating shaft (26), one end of the rotating shaft (26) is fixedly connected with a clamping block (27), the inner side of the mounting seat (28) is rotationally connected with a second lead screw (29), the outer side of the second lead screw (29) is threadedly connected with a second moving block (201), one end of the second lead screw (29) is provided with a first gear (202), one end of the first gear (202) is engaged with a second gear (203), and the middle of the second gear (203) is provided with a rotating rod (204).
2. A device for facilitating maintenance and replacement of a dry-type transformer cooling fan as defined in claim 1, wherein: The mounting seat (28) is provided with a plurality of mounting seats (28) arranged in a linear array, and one end of the plurality of mounting seats (28) is fixedly connected with one end of the dry-type transformer shell (1).
3. A device for facilitating maintenance and replacement of a dry-type transformer cooling fan as defined in claim 1, wherein: One end of the first lead screw (22) is provided with a second servo motor, and the top of the second moving block (201) is bolted with a fan shell (205).
4. A device for facilitating maintenance and replacement of a dry-type transformer cooling fan as defined in claim 1, wherein: One end of the rotating rod (204) is provided with a clamping groove, and one end of the rotating rod (204) is rotationally connected with one end of the mounting seat (28).
5. A device for facilitating maintenance and replacement of a dry-type transformer cooling fan as defined in claim 1, wherein: The connecting mechanism (3) comprises a connecting groove (31), the inner side of the connecting groove (31) is provided with a first magnet (32), one end of the first magnet (32) is provided with a second magnet (33), and one end of the second magnet (33) is fixedly connected with a connecting block (34).
6. A device for facilitating maintenance and replacement of a dry-type transformer cooling fan as defined in claim 5, wherein: The connecting groove (31) is provided with a plurality of connecting grooves (31), and the connecting grooves (31) are arranged outside the dry-type transformer shell (1).
7. A device for facilitating maintenance and replacement of a dry-type transformer cooling fan as defined in claim 5, wherein: The connecting block (34) is provided with a plurality of connecting blocks (34), and one end of the plurality of connecting blocks (34) is fixedly connected with one end of the fan shell (205).