An oil-immersed transformer easy to install
Patent Information
- Application Number
- CN202522420675.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-14
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-11-14
AI Technical Summary
传统变压器多通过多组螺栓直接将底座与安装座固定，需多人协作对齐螺栓孔，且变压器重量大，调整位置时费力，单次安装耗时较长；人工调整变压器位置时，难以精准对齐固定孔，易出现偏差导致安装失败，或因固定不牢引发运行振动；后期检修或更换变压器时，需逐一拆卸螺栓，操作繁琐且影响维护效率
[0010]采用上述结构本实用新型取得的有益效果如下：支撑台顶部的转动辊将滑动摩擦变为滚动摩擦，单人即可推动重型变压器移动调整位置；挡板自动定位确保固定孔对齐，无需反复校准；旋转手轮即可通过双向螺纹杆驱动固定插杆插入固定孔，操作简单，省时省力。反向旋转手轮，螺母块反向移动，固定插杆在弹簧弹力作用下自动脱离第二固定孔，无需逐一拆卸螺栓，节省拆卸时间，大幅提升检修或更换效率。
Smart Images
Figure CN224907704U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power equipment technology, specifically to an oil-immersed transformer that is easy to install. Background Technology
[0002] Oil-immersed transformers are core equipment in power systems, enabling voltage transformation and power transmission, and are widely used in substations, factories, residential areas, and other applications. Their installation requires precise fixing of the transformer body to the mounting base to ensure operational stability and safety. Existing oil-immersed transformers have the following shortcomings during installation: Traditional transformers are often fixed to the base and mounting bracket directly with multiple sets of bolts. This requires multiple people to work together to align the bolt holes. The transformer is heavy, and adjusting its position is laborious and time-consuming. When manually adjusting the transformer position, it is difficult to accurately align the fixing holes, which can easily lead to deviations that cause installation failure or cause vibrations during operation due to insecure fixing. When inspecting or replacing the transformer later, the bolts must be removed one by one, which is cumbersome and affects maintenance efficiency. Utility Model Content
[0003] In view of the above situation and to overcome the defects of the prior art, this utility model provides an easy-to-install oil-immersed transformer that is convenient to install, accurately positioned, efficiently disassembled, and stably fixed.
[0004] The technical solution adopted by this utility model is as follows: This utility model provides an easy-to-install oil-immersed transformer, including an oil-immersed transformer body, a mounting base, and a fixing mechanism. The bottom of the oil-immersed transformer body is provided with a support beam, and the top of the mounting base is provided with a support platform for supporting the support beam. The fixing mechanism includes a bidirectional threaded rod and two sets of fixing components symmetrically arranged on the bidirectional threaded rod. The support platform has a cavity, and the bidirectional threaded rod is rotatably disposed within the cavity. The fixing components include a fixing insert and a nut block. The nut block is threadedly sleeved onto the bidirectional threaded rod, and a slider is provided at the bottom of the nut block. A groove is provided within the cavity. The slider is slidably disposed in the groove. The support beam is provided with a second fixing hole. The support platform is provided with a first fixing hole communicating with the cavity. The fixing rod is inserted into the second fixing hole and the first fixing hole. The end of the fixing rod located in the cavity is provided with an extension plate. The extension plate is provided with a spring. The spring is fixed to the inner wall of the cavity. The fixing rod is provided with a second inclined surface. The nut block is provided with a first inclined surface that cooperates with the second inclined surface. When the nut block is moved by the bidirectional threaded rod, the fixing rod slides in the second fixing hole and the first fixing hole. At the same time, the second inclined surface and the first inclined surface are always in sliding contact.
[0005] Preferably, the nut block is provided with a limiting boss. By setting the limiting boss, interference between the fixing rod and the bidirectional threaded rod can be avoided, while ensuring that the second inclined surface and the first inclined surface are always in sliding contact. When the limiting boss contacts the extension plate, the fixing rod moves out of the second fixing hole and retracts into the first fixing hole, thus canceling the fixation of the oil-immersed transformer body. At this time, the limiting boss limits the farthest movement distance of the fixing rod, preventing interference between the fixing rod and the bidirectional threaded rod. When the limiting boss contacts the inner wall of the cavity, the fixing rod is inserted into the second fixing hole, thus fixing the oil-immersed transformer body. At this time, the inner wall of the cavity blocks the limiting boss, preventing the nut block from moving too far and detaching from the second inclined surface.
[0006] Preferably, the top of the support platform is provided with a rotating roller, and the rotating roller is provided in several groups at even intervals, and the rotating roller makes rolling contact with the support beam.
[0007] More preferably, a baffle is provided on the rear side of the mounting base, the baffle being used to position the body of the oil-immersed transformer to ensure that the second fixing hole and the first fixing hole are aligned.
[0008] More preferably, one end of the bidirectional threaded rod is provided with a handwheel.
[0009] Preferably, the fixing mechanism is provided in two symmetrical sets.
[0010] The beneficial effects of this utility model using the above structure are as follows: The rotating roller at the top of the support platform transforms sliding friction into rolling friction, allowing a single person to push the heavy transformer to move and adjust its position; the baffle automatically positions the fixing holes to ensure alignment, eliminating the need for repeated calibration; rotating the handwheel drives the fixing rod to insert into the fixing hole via the bidirectional threaded rod, simplifying operation and saving time and effort. Reversing the handwheel causes the nut block to move in the opposite direction, and the fixing rod automatically disengages from the second fixing hole under the action of the spring force, eliminating the need to disassemble the bolts one by one, saving disassembly time and significantly improving maintenance or replacement efficiency. Attached Figure Description
[0011] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a perspective view of an embodiment of the present utility model; Figure 2 This is an exploded view of an embodiment of the present utility model; Figure 3 This is a front view of an embodiment of the present utility model; Figure 4 This is a left view of an embodiment of the present utility model; Figure 5 This is a top view of an embodiment of the present utility model; Figure 6 for Figure 4 A sectional view along section AA; Figure 7 for Figure 2 Enlarged view of section A; Figure 8 for Figure 6 Enlarged view of section B.
[0012] Among them, 1. Oil-immersed transformer body, 2. Mounting base, 3. Fixing mechanism, 11. Support beam, 21. Support platform, 22. Baffle, 23. Cavity, 31. Bidirectional threaded rod, 32. Fixing rod, 33. Nut block, 34. Spring, 111. Second fixing hole, 211. Rotating roller, 212. First fixing hole, 311. Handwheel, 321. Extension plate, 322. Second inclined surface, 331. First inclined surface, 332. Limiting boss, 333. Slider. Detailed Implementation
[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0014] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0015] like Figures 1-8 As shown, this utility model discloses an easy-to-install oil-immersed transformer, including an oil-immersed transformer body 1, a mounting base 2, and a fixing mechanism 3. The bottom of the oil-immersed transformer body 1 is provided with a support beam 11, and the top of the mounting base 2 is provided with a support platform 21 for supporting the support beam 11. A rotating roller 211 is rotatably provided on the top of the support platform 21, and several sets of rotating rollers 211 are evenly spaced. The rotating rollers 211 are in rolling contact with the support beam 11. The fixing mechanism 3 is symmetrically provided with two sets.
[0016] The fixing mechanism 3 includes a bidirectional threaded rod 31 and two sets of fixing components symmetrically arranged on the bidirectional threaded rod 31. A cavity 23 is provided inside the support platform 21. The bidirectional threaded rod 31 is rotatably disposed within the cavity 23. The fixing components include a fixing insert 32 and a nut block 33. The nut block 33 is threadedly connected to the bidirectional threaded rod 31. A slider 333 is provided at the bottom of the nut block 33. A groove is provided inside the cavity 23, and the slider 333 slides within the groove. A second fixing hole 111 is provided on the support beam 11, and a first fixing hole 212 communicating with the cavity 23 is provided on the support platform 21. The fixing insert 32 is inserted into both the second fixing hole 111 and the first fixing hole 212, with one end of the fixing insert 32 located within the cavity 23. An extension plate 321 is provided, and a spring 34 is provided on the extension plate 321. The spring 34 is fixed to the inner wall of the cavity 23. A second inclined surface 322 is provided on the fixing rod 32, and a first inclined surface 331 that cooperates with the second inclined surface 322 is provided on the nut block 33. When the nut block 33 is moved by the bidirectional threaded rod 31, the fixing rod 32 slides in the second fixing hole 111 and the first fixing hole 212, while the second inclined surface 322 and the first inclined surface 331 are always in sliding contact. A baffle 22 is provided on the rear side of the mounting base 2. The baffle 22 is used to position the oil-immersed transformer body 1 to ensure that the second fixing hole 111 and the first fixing hole 212 are aligned. A handwheel 311 is provided at one end of the bidirectional threaded rod 31.
[0017] The nut block 33 is provided with a limiting boss 332. By setting the limiting boss 332, interference between the fixing rod 32 and the bidirectional threaded rod 31 can be avoided. At the same time, it ensures that the second inclined surface 322 and the first inclined surface 331 are always in sliding contact. When the limiting boss 332 contacts the extension plate 321, the fixing rod 32 moves out from the second fixing hole 111 and retracts into the first fixing hole 212, thus canceling the fixation of the oil-immersed transformer body 1. At this time, the limiting boss 332 limits the farthest movement distance of the fixing rod 32, thus preventing interference between the fixing rod 32 and the bidirectional threaded rod 31. When the limiting boss 332 contacts the inner wall of the cavity 23, the fixing rod 32 is inserted into the second fixing hole 111, thus fixing the oil-immersed transformer body 1. At this time, the inner wall of the cavity 23 blocks the limiting boss 332, thus preventing the nut block 33 from moving too far and detaching from the second inclined surface 322.
[0018] In practical use, during installation, the mounting base 2 is pre-fixed to the foundation with expansion bolts to ensure it is level. The oil-immersed transformer body is then hoisted onto the support platform 21 of the mounting base 2 using hoisting equipment. The support beam 11 contacts the rotating roller 211, pushing the transformer body forward. Under the rolling action of the rotating roller 211, the transformer body moves easily until the support beam 11 is in contact with the baffle 22. At this point, the second fixing hole 111 is precisely aligned with the first fixing hole 212. Rotating the handwheel 311 rotates the bidirectional threaded rod 31, causing the two sets of nut blocks 33 to move towards each other along the sliding groove. The first inclined surface 331 and the second inclined surface 322 slide into contact, pushing the fixing rod 32 to move, passing through the first fixing hole 212 and inserting into the second fixing hole 111. The handwheel 311 is continued to rotate until the limiting boss 332 contacts the inner wall of the cavity 23, the fixing rod 32 is fully inserted into the fixing hole, and the spring 34 is compressed, achieving stable fixing of the transformer.
[0019] During disassembly, the handwheel 311 is rotated in the opposite direction, the bidirectional threaded rod 31 rotates in the opposite direction, the two sets of nut blocks 33 move in the opposite direction, and the fixing rod 32 moves under the elastic force of the spring 34, gradually disengaging from the second fixing hole 111. The handwheel 311 is rotated until the limiting boss 332 contacts the extension plate 321, and the fixing rod 32 is completely retracted into the first fixing hole 212, thus removing the fixing of the transformer. The transformer body is pushed and easily moved out of the mounting base 2 under the action of the rotating roller 211, completing the disassembly.
[0020] In summary, the rotating roller 211 on top of the support platform 21 transforms sliding friction into rolling friction, allowing a single person to move and adjust the position of the heavy transformer; the baffle 22 automatically positions and ensures the alignment of the fixing holes, eliminating the need for repeated calibration; rotating the handwheel 311 drives the fixing rod 32 to insert into the fixing hole via the bidirectional threaded rod 31, making operation simple, time-saving, and labor-saving. Reversing the rotation of the handwheel 311 causes the nut block 33 to move in the opposite direction, and the fixing rod 32 automatically disengages from the second fixing hole 111 under the elastic force of the spring 34, eliminating the need to disassemble the bolts one by one, saving disassembly time, and significantly improving maintenance or replacement efficiency.
[0021] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0022] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0023] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. An easy-to-install oil-immersed transformer, comprising an oil-immersed transformer body (1), a mounting base (2), and a fixing mechanism (3), characterized in that: The oil-immersed transformer body (1) has a support beam (11) at the bottom, and the mounting base (2) has a support platform (21) at the top for supporting the support beam (11). The fixing mechanism (3) includes a bidirectional threaded rod (31) and two sets of fixing components symmetrically arranged on the bidirectional threaded rod (31). The support platform (21) has a cavity (23), and the bidirectional threaded rod (31) is rotatably disposed in the cavity (23). The fixing components include a fixing insert (32) and a nut block (33). The nut block (33) is threaded onto the bidirectional threaded rod (31). The bottom of the nut block (33) has a slider (333), and the cavity (23) has a groove. The slider (333) is slidably disposed in the groove. The support beam (11) has a second fixing hole (111), and the support platform (21) has a... The first fixing hole (212) is connected to the cavity (23). The fixing rod (32) is inserted into the second fixing hole (111) and the first fixing hole (212). The fixing rod (32) is provided with an extension plate (321) at one end inside the cavity (23). The extension plate (321) is provided with a spring (34). The spring (34) is fixed to the inner wall of the cavity (23). The fixing rod (32) is provided with a second inclined surface (322). The nut block (33) is provided with a first inclined surface (331) that cooperates with the second inclined surface (322). When the nut block (33) is moved by the bidirectional threaded rod (31), the fixing rod (32) slides in the second fixing hole (111) and the first fixing hole (212). At the same time, the second inclined surface (322) and the first inclined surface (331) are always in sliding contact.
2. The easy-to-install oil-immersed transformer according to claim 1, characterized in that: The nut block (33) is provided with a limiting boss (332). By setting the limiting boss (332), interference between the fixing rod (32) and the bidirectional threaded rod (31) can be avoided. At the same time, it ensures that the second inclined surface (322) and the first inclined surface (331) are always in sliding contact. When the limiting boss (332) contacts the extension plate (321), the fixing rod (32) moves out from the second fixing hole (111) and retracts into the first fixing hole (212), thus canceling the fixation of the oil-immersed transformer body (1). At this time, the... The maximum movement distance of the fixed plug (32) is limited by setting a limiting boss (332) to avoid interference between the fixed plug (32) and the bidirectional threaded rod (31). When the limiting boss (332) contacts the inner wall of the cavity (23), the fixed plug (32) is inserted into the second fixing hole (111) to fix the body (1) of the oil-immersed transformer. At this time, the limiting boss (332) is blocked by the inner wall of the cavity (23) to prevent the nut block (33) from moving too far and detaching from the second inclined surface (322).
3. The easy-to-install oil-immersed transformer according to claim 1, characterized in that: The top of the support platform (21) is provided with a rotating roller (211), and the rotating roller (211) is provided with several groups evenly spaced. The rotating roller (211) is in rolling contact with the support beam (11).
4. The easy-to-install oil-immersed transformer according to claim 1, characterized in that: The mounting base (2) is provided with a baffle (22) on the rear side. The baffle (22) is used to position the body (1) of the oil-immersed transformer to ensure that the second fixing hole (111) and the first fixing hole (212) are aligned.
5. The easy-to-install oil-immersed transformer according to claim 1, characterized in that: A handwheel (311) is provided at one end of the bidirectional threaded rod (31).
6. The easy-to-install oil-immersed transformer according to claim 1, characterized in that: The fixing mechanism (3) is provided in two sets symmetrically.