Annealing clamp for three-dimensional open roll iron core of transformer

Abstract

The utility model discloses an annealing clamp for a three-dimensional open roll iron core of a transformer, which comprises a group of open iron core lower yoke iron core frames, the top end of each open iron core lower yoke iron core frame is fixedly connected with an open iron core lower yoke outer positioning frame, the ends, close to each other, of the open iron core lower yoke outer positioning frames are connected, and the ends, close to each other, of the open iron core lower yoke outer positioning frames are connected with each other. And the bottom end of each open iron core lower yoke iron core frame is fixedly connected with an open iron core outer lower yoke annealing mold. The device is provided with an open iron core outer lower yoke annealing mold, an open iron core lower inner yoke annealing mold, an open iron core lower yoke outer positioning frame, an iron core frame spacing plate and an inner mold supporting plate; through the cooperation of the open iron core outer lower yoke annealing mold, the open iron core lower inner yoke annealing mold, the open iron core lower yoke outer positioning frame, the iron core frame spacing plate and the inner mold supporting plate, a good fixing effect can be achieved in the iron core annealing process after the open three-dimensional roll iron core is stacked and overturned, and therefore deformation of the iron core is avoided.

Description

[0001] TECHNICAL FIELD

[0002] The utility model relates to tool fixture technical field, especially a kind of annealing fixture of three-dimensional open-core winding core of transformer. BACKGROUND

[0003] Three-dimensional winding core technology can be divided into closed and open two structural forms, the closed three-dimensional winding core is made into single-frame core with the section being approximately semicircle by continuously winding silicon steel strip, then two two single-frame core columns of three semicircular sections are assembled, to assemble into triangular three-dimensional winding core, open three-dimensional winding core structure is generally divided into two kinds of folding type and circular arc structure, silicon steel sheet is folded and sheared according to stepping requirement by equipment, open three-dimensional winding core and closed three-dimensional winding core are assembled, two two single-frame core columns of three semicircular sections are assembled, and annealing stress relief treatment is carried out after assembly.

[0004] Due to folding type open-core winding core, silicon steel sheet is folded and sheared according to stepping requirement by equipment, after single-frame open three-dimensional winding core is folded and sheared, it is divided into upper and lower yoke two parts, and then it is stacked into semicircular section lower yoke single-frame core and upper yoke single-frame core in sequence, since upper and lower yoke single-frame core are divided into two parts, it cannot be directly hoisted and carried, especially lower yoke core, so after core stacking and overturning, a set of tool fixture is used to fix lower yoke core, and the hoisting and carrying of core and the fixing function in the annealing process of core are realized, so as to prevent core deformation, for this purpose, a kind of annealing fixture of three-dimensional open-core winding core of transformer is provided to solve the above problems. TECHNICAL SOLUTION

[0005] The utility model aims at providing a kind of annealing fixture of three-dimensional open-core winding core of transformer to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of annealing fixture of three-dimensional open-core winding core of transformer, including a group of open-core winding core lower yoke core frame, the top of each open-core winding core lower yoke core frame is fixedly connected with open-core winding core lower yoke outer positioning frame, a group of open-core winding core lower yoke outer positioning frame is connected at one end close to each other, the bottom of each open-core winding core lower yoke core frame is fixedly connected with open-core winding core outer lower yoke annealing die, a group of open-core winding core outer lower yoke annealing die is connected at one end close to each other, the top of each open-core winding core lower yoke core frame is fixedly connected with core frame spacing plate, a group of inner die support plates are arranged on the side close to each other of a group of open-core winding core lower yoke core frame, and a group of equidistance arranged open-core winding core inner lower yoke annealing die are fixedly connected on the side close to each other of each group of inner die support plates.

[0008] In further embodiments, the inner part of each of the open core lower yoke core frame is provided with a support round stick, and the outer surface of each of the open core lower yoke core frame is provided with an assembling plate.

[0009] In further embodiments, the outer surface of each of the open core lower yoke core frame is provided with a group of equidistantly arranged binding steel belts, and the inner circle of each of the binding steel belts is in contact with the outer surface of each of the open core lower yoke core frame.

[0010] In further embodiments, the side face of each of the group of open core outer lower yoke annealing dies that is away from each other is fixedly connected with a fixed block, the upper surface of each of the fixed blocks is fixedly connected with a vertical plate, and the inner part of each of the vertical plates is provided with a through hole.

[0011] In further embodiments, the side face of each of the group of open core outer lower yoke annealing dies that is away from each other is fixedly connected with a fixed block, the upper surface of each of the fixed blocks is fixedly connected with a vertical plate, and the inner part of each of the vertical plates is provided with a through hole.

[0012] In further embodiments, the side face of each of the group of open core outer lower yoke annealing dies that is away from each other is fixedly connected with a fixed block, the upper surface of each of the fixed blocks is fixedly connected with a vertical plate, and the inner part of each of the vertical plates is provided with a through hole.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The device is provided with an open core outer lower yoke annealing die, an open core lower inner yoke annealing die, an open core lower yoke outer positioning frame, an iron core frame spacing plate and an inner die support plate, and the open core outer lower yoke annealing die, the open core lower inner yoke annealing die, the open core lower yoke outer positioning frame, the iron core frame spacing plate and the inner die support plate are matched, so that a good fixing effect is achieved during the annealing of the iron core after the open three-dimensional volume iron core is stacked and turned over, thereby avoiding the deformation of the iron core. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of a transformer's open three-dimensional volume iron core annealing clamp.

[0016] Figure 2 It is a three-dimensional structure schematic diagram of a transformer's open three-dimensional volume iron core annealing clamp.

[0017] Figure 3 It is a three-dimensional structure schematic diagram of a transformer's open three-dimensional volume iron core annealing clamp.

[0018] Figure 4 It is a three-dimensional structure schematic diagram of a transformer's open three-dimensional volume iron core annealing clamp.

[0019] Fig. 1, open core outer lower iron core annealing die; 2, core frame spacing plate; 3, open core lower iron core core frame; 4, open core lower iron core outer positioning frame; 5, open core inner lower iron core annealing die; 6, inner die support plate; 7, support round bar; 8, binding steel belt; 9, assembling plate; 10, fixed block; 11, vertical plate; 12, through hole; 13, first reinforcing plate; 14, second reinforcing plate; 15, support column. DETAILED DESCRIPTION

[0020] In the description of the present application, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it is understood that unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely in the following description of the embodiments of the present application, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] Please refer to Figures 1-4The utility model discloses a kind of annealing fixtures of three-dimensional opening volume core of transformer, including a group of opening core lower iron core iron core frame 3, the top of each opening core lower iron core iron core frame 3 is fixedly connected with opening core lower iron core outer positioning frame 4, a group of opening core lower iron core outer positioning frame 4 is connected at one end of mutual approach, the bottom of each opening core lower iron core iron core frame 3 is fixedly connected with opening core outer lower iron core annealing mould 1, a group of opening core outer lower iron core annealing mould 1 is connected at one end of mutual approach, the top of each opening core lower iron core iron core frame 3 is fixedly connected with iron core frame spacing plate 2, a group of opening core lower iron core iron core frame 3 is equipped with a group of inner mould support plate 6 in one side of mutual approach, the inner mould support plate 6 is fixedly connected with a group of equidistance arrangement opening core inner lower iron core annealing mould 5 in one side of mutual approach, by the cooperation of opening core outer lower iron core annealing mould 1, opening core inner lower iron core annealing mould 5, opening core lower iron core outer positioning frame 4, iron core frame spacing plate 2 and inner mould support plate 6, can be after opening three-dimensional volume core is stacked and is turned over, realize the fixation of three-frame core, safe hoisting and realize the fixed effect of core annealing process, to prevent core deformation.

[0024] The inside of each opening core lower iron core iron core frame 3 is equipped with support round bar 7, the outer surface of each opening core lower iron core iron core frame 3 is equipped with assembly plate 9, the outer surface of each opening core lower iron core iron core frame 3 is equipped with a group of equidistance arrangement binding steel belt 8, the inner ring of each binding steel belt 8 is respectively contacted with the outer surface of each opening core lower iron core iron core frame 3, a group of opening core outer lower iron core annealing mould 1 is fixedly connected with fixed block 10 in one side of mutual approach, the upper surface of each fixed block 10 is fixedly connected with vertical plate 11, the inside of each vertical plate 11 is equipped with through-hole 12, by assembly plate 9 can be conveniently assembled to inner mould support plate 6, by binding steel belt 8 can be binding operation to opening core lower iron core iron core frame 3, so that opening core lower iron core iron core frame 3 can be more firm when operating, by the cooperation of fixed block 10, vertical plate 11 and through-hole 12, can be conveniently reinforced to the device by staff.

[0025] Wherein the side of mutual approach of two opening core outer lower iron core annealing moulds 1 is fixedly connected with first reinforcing plate 13, the back of first reinforcing plate 13 is fixedly connected with second reinforcing plate 14, the rear end of second reinforcing plate 14 is connected with the front of one opening core outer lower iron core annealing mould 1, the side of mutual approach of each group of opening core inner lower iron core annealing mould 5 is fixedly connected with support column 15, by the cooperation of first reinforcing plate 13 and second reinforcing plate 14, can be reinforced to opening core outer lower iron core annealing mould 1, by support column 15 can be reinforced to opening core inner lower iron core annealing mould 5, so that opening core inner lower iron core annealing mould 5 can be more firm with inner mould support plate 6 connection.

[0026] The working principle of the utility model is:

[0027] When the product is used, the staff first stacks the three-frame iron core of the three-dimensional open-core roll upside down, and then assembles the single-frame iron core column closely in pairs by using special equipment, installs the annealing die 1 of the outer lower iron of the open-core iron core on the lower yoke iron core and fixes it, and then turns over the three-dimensional open-core roll iron core three-frame lower yoke iron core by using the turnover equipment, and uses the annealing die 1 of the open-core iron core outer lower iron to support the whole transformer, so as to realize the functions of hoisting and annealing operation of the whole iron core.

[0028] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, the skilled person should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that the skilled person can understand.

Claims

1. An annealing fixture for a three-dimensional open-wound iron core of a transformer, characterized in that: It includes a set of open-core lower iron spur iron core frames (3), each of the open-core lower iron spur iron core frames (3) is fixedly connected to the top of an open-core lower iron spur outer positioning frame (4), the set of open-core lower iron spur outer positioning frames (4) are connected at their close ends, each of the open-core lower iron spur iron core frames (3) is fixedly connected to the bottom of an open-core lower iron spur annealing mold (1), the set of open-core lower iron spur annealing molds (1) are connected at their close ends, each of the open-core lower iron spur iron core frames (3) is fixedly connected to the top of an iron core frame spacer (2), each of the set of open-core lower iron spur iron core frames (3) is provided with a set of inner mold support plates (6) on their close sides, and each of the inner mold support plates (6) is fixedly connected with a set of open-core lower iron spur annealing molds (5) arranged at equal intervals on their close sides.

2. The annealing fixture for a three-dimensional open-wound core of a transformer according to claim 1, characterized in that: Each of the open-core lower iron core frame (3) is provided with a supporting round bar (7) inside, and each of the open-core lower iron core frame (3) is provided with an assembly plate (9) on its outer surface.

3. The annealing fixture for a three-dimensional open-wound core of a transformer according to claim 1, characterized in that: Each of the open core lower iron frame (3) has a set of equidistant binding steel strips (8) on its outer surface, and the inner circle of each binding steel strip (8) is in contact with the outer surface of each open core lower iron frame (3).

4. The annealing fixture for a three-dimensional open-wound core of a transformer according to claim 1, characterized in that: A set of open iron core outer lower iron annealing molds (1) are fixedly connected to a fixing block (10) on one side away from each other. Each fixing block (10) is fixedly connected to a vertical plate (11) on its upper surface. Each vertical plate (11) has a through hole (12) inside.

5. The annealing fixture for a three-dimensional open-wound core of a transformer according to claim 1, characterized in that: Two of the open-core outer bottom iron annealing molds (1) are fixedly connected to a first reinforcing plate (13) on their adjacent sides. A second reinforcing plate (14) is fixedly connected to the back of the first reinforcing plate (13). The rear end of the second reinforcing plate (14) is connected to the front of one of the open-core outer bottom iron annealing molds (1).

6. The annealing fixture for a three-dimensional open-wound core of a transformer according to claim 1, characterized in that: Each set of open iron core annealing molds (5) has a support column (15) fixedly connected to one side of each other.

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