Oil-immersed transformer iron core

Abstract

The utility model discloses an oil-immersed transformer iron core, which relates to the technical field of transformer iron cores and comprises a base and a side positioning frame, a guide rod is arranged right above the base, the outer side of the guide rod is connected with the side positioning frame in a penetrating manner, and a protection mechanism is arranged on the outer side of the side positioning frame. The protection mechanism protects the two sides of the alloy chips and protects coils wound around the outer sides of the alloy chips at the same time, damage caused by collision during installation is avoided, the positioning mechanism adjusts the distance between the side positioning frames according to the number of the alloy chips, and then transformer iron cores of different specifications can be assembled. In the using process, the distance between the two sets of side positioning frames is adjusted according to the number of alloy chips, then the alloy chips of different numbers can be positioned and assembled, meanwhile, the bottom ends of the side positioning frames are transversely guided through the guide grooves, and the side positioning frames are prevented from loosening or inclining in the displacement process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of transformer core, specifically relates to an oil immersed transformer core. BACKGROUND

[0002] The core is the main magnetic circuit part in the transformer. It is usually made of hot-rolled or cold-rolled silicon steel sheets with high silicon content and coated with insulating paint. The core and the coil wound thereon form a complete electromagnetic induction system. The size of the power transmission of the power transformer depends on the material and cross-sectional area of the core.

[0003] The existing transformer can only install one size of core, and is not easy to disassemble. In addition, the sharp corners of the core lack protection structure, which can cause deformation of the sharp corners when the transformer is impacted by external factors, thereby affecting the use of the transformer. SUMMARY

[0004] The utility model aims at providing an oil immersed transformer core to solve the above-mentioned defects in the prior art.

[0005] An oil immersed transformer core includes a base, a side positioning frame, and a positioning mechanism. A guide rod is provided above the base. The outer side of the guide rod is connected with the side positioning frame. The outer side of the side positioning frame is provided with a protection mechanism. The protection mechanism protects the two sides of the alloy chip and protects the coil wound on the outer side of the alloy chip, avoiding damage caused by impact during installation. The positioning mechanism adjusts the distance between the side positioning frames according to the number of alloy chips, thereby satisfying the assembly of transformer cores of different specifications.

[0006] Preferably, the protection mechanism includes a side positioning frame, a side clamping groove, a protection plate, a fastening hole, and an alloy chip. The outer side of the side positioning frame is provided with a side clamping groove. The outer side of the side clamping groove is connected with a protection plate. The outer side of the protection plate is provided with fastening holes at equal intervals. The alloy chip is arranged above the base. The two sides of the alloy chip are provided with protection plates.

[0007] Preferably, the side positioning frame is connected with the outer side of the sliding groove through the sliding block arranged at the bottom end.

[0008] Preferably, the positioning mechanism includes a positioning rod, a threaded rod, a sliding groove, a sliding block, a nut, and a fastener. One side of the positioning rod is connected with the side positioning frame. One side of the positioning rod is connected with the threaded rod. One side of the threaded rod is connected with another set of side positioning frames. The bottom end of the side positioning frame is connected with the sliding block. The outer side of the threaded rod is connected with the nut. The top end of the sliding block is connected with the fastener. The outer side of the positioning rod is connected with multiple sets of alloy chips.

[0009] Preferably, the positioning rod is connected with the side positioning frame through a threaded rod arranged on one side.

[0010] Preferably, the protective plate member is connected with the outer side of the side clamping groove through the fastening hole.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1、In the using, according to the quantity of alloy chip, the spacing of two groups of side positioning frames is adjusted, then the positioning and assembly of alloy chips of different quantities are satisfied, the bottom end of the side positioning frame is handled transversely by guide slot, the loosening or inclination of the side positioning frame in the displacement process is avoided, and the side positioning frame and alloy chip are conveniently disassembled and replaced by nut connection of one side of the threaded rod arranged on one side with one side of the side positioning frame.

[0013] 2、One side of the side clamping groove is connected with one side of the protective plate member, the positioning of the protective plate member and the side positioning frame is handled in the using, the width of the protective plate member is controlled according to the quantity of alloy chip in the using, the side protection of the coil and alloy chip is handled by the symmetrically arranged protective plate member, the impact force of the core body is slowed down, and the core body directly impacts the inner wall of the shell. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall three-dimensional structure schematic view of the utility model.

[0015] Fig. 2 It is the overall side view structure schematic view in the utility model.

[0016] Fig. 3 It is the overall plan view structure schematic view in the utility model.

[0017] Fig. 4 It is the base side view structure schematic view in the utility model.

[0018] Among them:

[0019] 1, base;2, guide rod;3, side positioning frame;4, side clamping groove;5, protective plate member;6, fastening hole;7, protection mechanism;8, alloy chip;9, positioning mechanism;10, positioning rod;11, threaded rod;12, sliding slot;13, sliding block;14, nut;15, fastener. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0021] AsFigs. 1 to 4 As shown, an oil-immersed transformer core, including base 1, side positioning frame 3 and positioning mechanism 9, the upper side of the base 1 is provided with guide rod 2, the outer side of the guide rod 2 is connected with side positioning frame 3, the outer side of the side positioning frame 3 is provided with protection mechanism 7, the protection mechanism 7 protects the two sides of the alloy chip 8, and the coil wound outside the alloy chip 8 is protected, so as to avoid damage caused by impact during installation, the positioning mechanism 9 adjusts the spacing of the side positioning frame 3 according to the number of alloy chips 8, thereby meeting the assembly of transformer cores of different specifications.

[0022] In this embodiment, the protection mechanism 7 includes side positioning frame 3, side clamping groove 4, protection plate 5, fastening hole 6 and alloy chip 8, the outer side of the side positioning frame 3 is provided with side clamping groove 4, the outer side of the side clamping groove 4 is connected with protection plate 5, the outer side of the protection plate 5 is provided with fastening hole 6 at equal intervals, the alloy chip 8 is arranged above the base 1, and the two sides of the alloy chip 8 are provided with protection plate 5.

[0023] In this embodiment, the side positioning frame 3 is connected with the outer side of the sliding groove 12 through the sliding block 13 arranged at the bottom end, and the sliding block 13 and the side positioning frame 3 are guided and limited by the sliding groove 12.

[0024] In this embodiment, the positioning mechanism 9 includes positioning rod 10, threaded rod 11, sliding groove 12, sliding block 13, nut 14 and fastener 15, one side of the positioning rod 10 is connected with the side positioning frame 3, one side of the positioning rod 10 is connected with the threaded rod 11, one side of the threaded rod 11 is connected with another group of side positioning frames 3, the bottom end of the side positioning frame 3 is connected with the sliding block 13, the outer side of the threaded rod 11 is threadedly connected with the nut 14, the top end of the sliding block 13 is connected with the fastener 15, and the outer side of the positioning rod 10 is connected with a plurality of alloy chips 8.

[0025] In this embodiment, the positioning rod 10 is connected with the side positioning frame 3 through the threaded rod 11 arranged on one side, and one side of the side positioning frame 3 is locked by the threaded rod 11.

[0026] In this embodiment, the protection plate 5 is connected with the outer side of the side clamping groove 4 through the fastening hole 6, and the outer side of the protection plate 5 is locked by the fastening hole 6.

[0027] This oil-immersed transformer core in actual application, including the following working contents:

[0028] Step 1: in the use process, first, the alloy chip 8 is inserted into the outside of the positioning rod 10, the outside of the alloy chip 8 is inserted transversely by the positioning rod 10, and the corresponding length of the positioning rod 10 is selected, while the side of the positioning rod 10 is provided with the threaded rod 11, the nut 14 connected to the outside of the threaded rod 11 is used for positioning the other side of the side positioning frame 3, and the two groups of side positioning frames 3 are used for positioning the multiple groups of alloy chips 8;

[0029] Step 2: the operator winds the copper wire around the left and right sides of the alloy chip 8, holds the protection plate 5, inserts the protection plate 5 into the outside of the side clamping groove 4, inserts the screw into the inside of the fastening hole 6, locks the outside of the protection plate 5 and the side clamping groove 4 by the screw, protects the left and right sides of the alloy chip 8 and the coil by the protection plate 5, and avoids the coil from being damaged by impact with the inside of the transformer;

[0030] Step 3: the operator connects the sliding block 13 arranged at the bottom end of the side positioning frame 3 and the sliding groove 12 opened at the outside of the base 1 when assembling, and then positions the bottom end of the side positioning frame 3, avoids the bottom end of the side positioning frame 3 from shaking during displacement, and guides the two sides of the side positioning frame 3 by the guide rod 2, locks the bottom end of the sliding block 13 and the base 1 by inserting the fastener 15 into the sliding block 13.

[0031] Therefore, the above disclosed embodiments are only examples and are not the only ones. All changes within the scope of the utility model or within the scope equivalent to the utility model are included in the utility model.

Claims

1. An oil-immersed transformer core, characterized by: Including base (1), side positioning frame (3) and positioning mechanism (9), the top of base (1) is provided with guide rod (2), the outer side of guide rod (2) is connected with side positioning frame (3), the outer side of side positioning frame (3) is provided with protection mechanism (7), protection mechanism (7) protects the both sides of alloy chip (8), and the coil wrapped outside alloy chip (8) is protected, so as to avoid damage caused by impact during installation, positioning mechanism (9) adjusts the spacing of side positioning frame (3) according to the number of alloy chip (8), and then different specifications of transformer core are assembled.

2. An oil immersed transformer core according to claim 1, characterized in that: The protection mechanism (7) comprises a side positioning frame (3), a side clamping groove (4), a protection plate (5), a fastening hole (6) and an alloy chip (8), the outer side of the side positioning frame (3) is provided with a side clamping groove (4), the outer side of the side clamping groove (4) is connected with the protection plate (5), the outer side of the protection plate (5) is provided with a fastening hole (6) at equal intervals, the alloy chip (8) is arranged above the base (1), and the both sides of the alloy chip (8) are provided with the protection plate (5).

3. An oil immersed transformer core according to claim 2, characterized in that: The side positioning frame (3) is connected with the outer side of the sliding groove (12) through the sliding block (13) arranged at the bottom.

4. An oil immersed transformer core as claimed in claim 1, characterized in that: The positioning mechanism (9) comprises a positioning rod (10), a threaded rod (11), a sliding groove (12), a sliding block (13), a nut (14) and a fastener (15), one side of the positioning rod (10) is connected with the side positioning frame (3), one side of the positioning rod (10) is connected with the threaded rod (11), one side of the threaded rod (11) is connected with another group of side positioning frames (3), the bottom end of the side positioning frame (3) is connected with the sliding block (13), the outer side of the threaded rod (11) is connected with the nut (14), the top end of the sliding block (13) is connected with the fastener (15), and the outer side of the positioning rod (10) is connected with a plurality of alloy chips (8).

5. An oil immersed transformer core according to claim 4, characterized in that: The positioning rod (10) is connected with the side positioning frame (3) through the threaded rod (11) arranged on one side.

6. An oil immersed transformer core as claimed in claim 2, characterized in that: The protection plate (5) is connected with the outer side of the side clamping groove (4) through the fastening hole (6) penetratingly arranged.

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