Transformer on-load tap-changer gear shifting device
By introducing limit holes and limit components into the on-load tap changer adjustment device of the transformer, the problems of impact and misadjustment during transformer tap adjustment are solved, and safe and reliable tap adjustment is achieved.
Patent Information
- Application Number
- CN202423086959.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing transformers are prone to one-time gear shifting during gear adjustment, which can cause shock to the transformer and lead to mis-adjustment, thus reducing its service life.
Design a transformer on-load tap changer adjustment device, which uses limit holes and limit components to achieve individual adjustment of the tap position through limit pins, avoiding misadjustment and impact.
It enables individual adjustment of gears, avoiding impact on the transformer and misadjustment, thus improving operational safety and service life.
Smart Images
Figure CN223527000U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer technical field, concretely is a kind of transformer on-load tap changer grading device. BACKGROUND
[0002] Transformer on-load regulating switch preset gear is generally 1 gear, if it needs to be adjusted to other gear (such as 5 gears), it should be adjusted sequentially.
[0003] From 1 gear to 2 gears, and from 2 gears to 3 gears, and so on, until it is adjusted to 5 gears, but do not directly adjust to target gear at one time, to prevent impact on transformer.
[0004] In prior art, when grading, it is easy to adjust at one time, and it is easy to misadjust, which causes impact on transformer and reduces service life.
[0005] Therefore, we propose a kind of transformer on-load tap changer grading device. UTILITY MODEL CONTENT
[0006] (1) technical problem solved
[0007] In view of the deficiencies of prior art, the utility model provides a kind of transformer on-load tap changer grading device, which is convenient for realizing gear adjustment one by one, and has limiting structure, avoids misadjustment phenomenon, and can effectively solve the problems in the background art.
[0008] (2) technical scheme
[0009] To achieve the above purpose, the utility model takes the technical scheme that a kind of transformer on-load tap changer grading device, including on-load tap changer grading device, the upper end outer surface of on-load tap changer grading device is fixedly installed with fixed ring, the upper end outer surface of fixed ring is opened with limiting hole, the upper end outer surface of adjusting shaft in on-load tap changer grading device is fixedly installed with limiting component, the limiting component includes fixed block, connecting arm, limiting pin, sliding hole, pull ring, installation cavity, limiting block and compression spring, the lower end outer surface of fixed block is fixedly connected with the upper end outer surface of adjusting shaft in on-load tap changer grading device.
[0010] Preferably, the number of limiting holes is five groups.
[0011] Preferably, the connecting arm is fixedly installed on the outer surface of one side of fixed block, the sliding hole is opened on the outer surface of one side of the upper end of connecting arm, the limiting pin passes through the connecting arm through the sliding hole, and the installation cavity is located in the middle of the sliding hole.
[0012] Preferably, the pull ring is fixedly installed on the outer surface of the upper end of the limiting pin, the limiting block and the compression spring are located in the installation cavity, the limiting block is fixedly installed on the outer wall of the lower part of the limiting pin, the compression spring is movably sleeved on the outer wall of the upper part of the limiting pin, the lower end of the compression spring is fixedly connected with the upper end of the limiting block, and the upper end of the compression spring is fixedly connected with the upper end of the installation cavity.
[0013] Preferably, the outer wall of the limiting pin is in sliding connection with the sliding hole, the outer wall of the limiting block is in sliding connection with the installation cavity, and the upper end of the limiting block is elastically connected with the upper end of the installation cavity through the compression spring.
[0014] Preferably, the outer wall of the lower end of the limiting pin is in clamping connection with the limiting hole.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the utility model provides a transformer on -load tap changer regulating device has the following beneficial effects:
[0017] 1、 this transformer on -load tap changer regulating device, set the limiting hole, the number of limiting hole is five groups, corresponding this on -load tap changer regulating ware five gear, through to the limiting pin is limited, realize gear one -by -one adjustment, avoid to the transformer produces impact.
[0018] 2、 this transformer on -load tap changer regulating device passes through the limiting component that sets, play the role of limiting, avoid the phenomenon that appears mistuning. ACCURACY OF DRAWINGS
[0019] Figure 1 It is the whole structure schematic view of the utility model a transformer on -load tap changer regulating device.
[0020] Figure 2 It is the structure schematic view of the utility model a transformer on -load tap changer regulating device fixed ring.
[0021] Figure 3 It is the structure schematic view of the utility model a transformer on -load tap changer regulating device limiting component.
[0022] Figure 4 It is the side view sectional view of the utility model a transformer on -load tap changer regulating device limiting component.
[0023] In the drawing: 1, on -load tap changer regulating ware;2, fixed ring;3, limiting hole;4, limiting component;5, fixed block;6, connecting arm;7, limiting pin;8, sliding hole;9, pull ring;10, installation cavity;11, limiting block;12, compression spring. DETAILED DESCRIPTION
[0024] The technical means, creative features, purposes and effects achieved by the utility model are easy to understand, which will be further described below in combination with specific embodiments.
[0025] The embodiment is a transformer on-load tap changer regulating device.
[0026] As shown in the drawings, the utility model relates to a transformer on-load tap changer regulating device. Figures 1-4 The upper end outer surface of the on-load tap changer regulating device 1 is fixedly provided with a fixed ring 2, the upper end outer surface of the fixed ring 2 is provided with a limiting hole 3, the upper end outer surface of the adjusting shaft in the on-load tap changer regulating device 1 is fixedly provided with a limiting assembly 4, the limiting assembly 4 comprises a fixed block 5, a connecting arm 6, a limiting pin 7, a sliding hole 8, a pull ring 9, a mounting cavity 10, a limiting block 11 and a compression spring 12, and the lower end outer surface of the fixed block 5 is fixedly connected with the upper end outer surface of the adjusting shaft in the on-load tap changer regulating device 1.
[0027] The number of limiting holes 3 is five groups; the connecting arm 6 is fixedly installed on one side of the outer surface of the fixed block 5, the sliding hole 8 is provided on one side of the upper end outer surface of the connecting arm 6, the limiting pin 7 penetrates through the connecting arm 6 through the sliding hole 8, and the mounting cavity 10 is located in the middle of the sliding hole 8; the pull ring 9 is fixedly installed on the upper end outer surface of the limiting pin 7, the limiting block 11 and the compression spring 12 are both located in the mounting cavity 10, the limiting block 11 is fixedly installed on the outer wall of the lower part of the limiting pin 7, the compression spring 12 is movably sleeved on the outer wall of the upper part of the limiting pin 7, the lower end outer surface of the compression spring 12 is fixedly connected with the upper end outer surface of the limiting block 11, the upper end outer surface of the compression spring 12 is fixedly connected with the upper end of the mounting cavity 10; the outer wall of the limiting pin 7 and the sliding hole 8 are in sliding connection, the outer wall of the limiting block 11 and the mounting cavity 10 are in sliding connection, and the upper end outer surface of the limiting block 11 is elastically connected with the upper end of the mounting cavity 10 through the compression spring 12; the outer wall of the lower end of the limiting pin 7 and the limiting hole 3 are in clamping connection.
[0028] It should be noted that the utility model is a transformer on-load tap changer regulating device, the on-load tap changer regulating device 1 recorded in the text belongs to the prior art, which can be effectively known by the technical personnel in the technical field, and specific details will not be repeated; the fixed ring 2 and the limiting hole 3 are provided, the limiting hole 3 is provided on the upper end outer surface of the fixed ring 2 and is used for limiting the limiting pin 7, the number of limiting holes 3 is five groups, corresponding to the five gears of the on-load tap changer regulating device 1, the limiting pin 7 is limited to realize the adjustment of the gears one by one, and the impact on the transformer is avoided; as shown in the drawings, the utility model discloses a transformer on-load tap changer regulating device. Figure 1As shown, when the gear needs to be adjusted, the pull ring 9 is pulled, the pull ring 9 drives the limiting pin 7 to slide along the sliding hole 8, the limiting pin 7 drives the limiting block 11 to extrude the compression spring 12 in the installation cavity 10, so that the limiting pin 7 is separated from a group of limiting holes 3, then the limiting assembly 4 is rotated, the pull ring 9 is loosened, so that the lower end outer surface of the limiting pin 7 is in contact with the upper end outer surface of the fixed ring 2, the connecting arm 6 is rotated, the connecting arm 6 drives the adjusting shaft in the on-load tap changer gear adjuster 1 through the fixed block 5 to rotate, when reaching the next gear, the limiting pin 7 is inserted into the next group of limiting holes 3 due to the reaction force of the compression spring 12, limiting is realized, the gears are adjusted one by one, impact on the transformer is avoided, and after the lower end of the limiting pin 7 is inserted into the limiting hole 3, the limiting effect is realized, the misadjustment phenomenon is avoided, and the safety of operation is improved.
[0029] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.
[0030] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A transformer on-load tap changer setting device comprising an on-load tap changer setting device (1), characterized in that: The upper end outer surface of the on-load tap changer regulator (1) is fixedly installed with a fixed ring (2), the upper end outer surface of the fixed ring (2) is provided with a limiting hole (3), the upper end outer surface of the adjusting shaft in the on-load tap changer regulator (1) is fixedly installed with a limiting assembly (4), the limiting assembly (4) comprises a fixed block (5), a connecting arm (6), a limiting pin (7), a sliding hole (8), a pull ring (9), a mounting cavity (10), a limiting block (11) and a compression spring (12), and the lower end outer surface of the fixed block (5) is fixedly connected with the upper end outer surface of the adjusting shaft in the on-load tap changer regulator (1).
2. The on-load tap changer device for a transformer according to claim 1, characterized in that: The number of the limiting hole (3) is five groups.
3. The on-load tap changer device for a transformer according to claim 2, characterized in that: The connecting arm (6) is fixedly installed on one side of the outer surface of the fixed block (5), the sliding hole (8) is arranged on one side of the upper end outer surface of the connecting arm (6), the limiting pin (7) penetrates through the connecting arm (6) through the sliding hole (8), and the mounting cavity (10) is located in the middle of the sliding hole (8).
4. The on-load tap changer device for a transformer according to claim 3, characterized in that: The pull ring (9) is fixedly installed on the upper end outer surface of the limiting pin (7), the limiting block (11) and the compression spring (12) are located in the mounting cavity (10), the limiting block (11) is fixedly installed on the outer wall of the lower part of the limiting pin (7), the compression spring (12) is movably sleeved on the outer wall of the upper part of the limiting pin (7), the lower end outer surface of the compression spring (12) is fixedly connected with the upper end outer surface of the limiting block (11), and the upper end outer surface of the compression spring (12) is fixedly connected with the upper end of the mounting cavity (10).
5. The on-load tap changer device for a transformer according to claim 4, characterized in that: The outer wall of the limiting pin (7) and the sliding hole (8) are in sliding connection, the outer wall of the limiting block (11) and the mounting cavity (10) are in sliding connection, and the upper end outer surface of the limiting block (11) is elastically connected with the upper end of the mounting cavity (10) through the compression spring (12).
6. The on-load tap changer device for a transformer according to claim 5, characterized in that: The outer wall of the lower end of the limiting pin (7) is clamped with the limiting hole (3).