CN214897996U

CN214897996U - Clamping structure of clamping piece of transformer

Info

Publication number: CN214897996U
Application number: CN202120835916.4U
Authority: CN
Inventors: 葛旭; 李维; 罗华
Original assignee: Deyang Xinyuan Electric Appliance Co ltd
Current assignee: Deyang Xinyuan Electric Appliance Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-26
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a clamping structure of transformer clamp solves the technical problem that current clamping structure of transformer clamp atress is uneven and impaired deformation easily appears. The utility model comprises an upper clamping piece arranged on the top of the iron core and a lower clamping piece arranged on the bottom of the iron core, wherein the upper clamping piece and the lower clamping piece are fastened and connected through a screw; the upper clamping piece is provided with a fastening device for clamping the iron core. The utility model has the advantages of simple structure and scientific and reasonable design, convenient to use has adopted more scientific and reasonable's atress structure, makes the folder press from both sides tight structure atress more even, strengthens the fastening ability of iron core, and it presss from both sides tight operation swift more laborsaving simultaneously, the installation and the maintenance of the transformer of being convenient for.

Description

Clamping structure of clamping piece of transformer

Technical Field

The utility model belongs to the technical field of the transformer clamping device, concretely relates to transformer clamp spare presss from both sides tight structure.

Background

The iron core is the main magnetic circuit part in the transformer and is generally formed by stacking hot-rolled or cold-rolled silicon steel sheets with high silicon content and insulating paint coated on the surfaces. The iron core and the coil wound on the iron core form a complete electromagnetic induction system, the silicon steel is a magnetic substance with strong magnetic conductivity, and in the electrified coil, the silicon steel can generate larger magnetic induction intensity, so that the volume of the transformer is reduced.

When the transformer is installed, the iron core and the coil need to be assembled together, and then fastening processing is carried out through the clamping piece device. The clamping device used at present is a frame structure, and an iron core can be fastened only by relying on an internal clamping screw, a clamping bolt and other fastening structures, so that silicon steel sheets are prevented from loosening, the iron core is prevented from generating vibration noise, magnetic leakage is prevented, the temperature of the transformer is prevented from rising, eddy current loss is reduced, and the service life of the transformer is prolonged. And the fastening structure of going up the folder passes through the taut realization of glass fiber band by the U type connecting piece of locating on the founding ear, and the folder top is located to U type connecting piece, and its clamp force is inhomogeneous leads to the corresponding increase of pretension stress, and then causes connecting piece fatigue damage aggravation to warp, and above-mentioned structure is difficult to effectively and stably exert the clamping effect, reduces folder device life.

Therefore, the utility model provides a clamping structure of transformer folder solves the technical problem that current transformer folder clamping structure atress is uneven and impaired deformation easily appears, has adopted more scientific and reasonable's atress structure, makes the folder press from both sides clamping structure atress more even, strengthens the fastening ability of iron core, and it presss from both sides the installation and the maintenance of tight operation more swiftly laborsaving, the transformer of being convenient for simultaneously.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the clamping structure of the transformer clamp is provided, and the existing technical problem is solved.

In order to achieve the above object, the utility model adopts the following technical scheme:

a clamping structure of a transformer clamp comprises an upper clamping piece arranged at the top of an iron core and a lower clamping piece arranged at the bottom of the iron core, wherein the upper clamping piece and the lower clamping piece are fixedly connected through a screw; the upper clamping piece is provided with a fastening device for clamping the iron core.

Further, the upper clamping piece and the lower clamping piece are both in a frame type structure.

Furthermore, a first screw hole is formed in the upper clamping piece, a second screw hole corresponding to the first screw hole is formed in the lower clamping piece, and a first screw rod is connected between the first screw hole and the second screw hole.

Further, the upper clamping member comprises a first upper clamping half body and a second upper clamping half body, and the first upper clamping half body and the second upper clamping half body are clamped on the top of the iron core through second screw rods.

Furthermore, the fastening device comprises a first connecting piece arranged on the inner side surface of the first upper clamping half body and a second connecting piece arranged on the inner side surface of the second upper clamping half body; the first connecting piece and the second connecting piece are connected through a glass ribbon in a fastening mode.

Furthermore, the first connecting piece is of a U-shaped structure, the first upper clamping half body is provided with a first through hole matched with the first connecting piece, and the two first fixing legs on the first connecting piece penetrate through the first through hole respectively.

Furthermore, the second connecting piece is of a U-shaped structure, a second through hole matched with the second connecting piece is formed in the second upper clamping half body, and two second fixing legs of the second connecting piece penetrate through the second through hole respectively.

Furthermore, the two ends of the first upper clamping half body and the second upper clamping half body are respectively provided with a vertical lug, a third screw hole is formed in each vertical lug, and each vertical lug is connected with an external supporting device through a screw.

Further, the lower clamping member comprises a first lower clamping half body and a second lower clamping half body, and the first lower clamping half body and the second lower clamping half body are clamped on the lower portion of the iron core through a third screw.

Further, a plurality of insulating pieces for iron core insulation are arranged between the upper clamping piece and the lower clamping piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model has the advantages of simple structure and scientific and reasonable design, convenient to use solves the technical problem that current transformer folder presss from both sides tight structure atress inequality and easily appears impaired deformation, has adopted more scientific and reasonable's atress structure, makes folder press from both sides tight structure atress more even, strengthens the fastening ability of iron core, and it presss from both sides tight operation swift more laborsaving simultaneously, the installation and the maintenance of the transformer of being convenient for.

The utility model comprises an upper clamping piece arranged on the top of the iron core and a lower clamping piece arranged on the bottom of the iron core, wherein the structure formed by the upper and the lower clamping pieces is used for the integral support and fastening of the iron core and a coil, the lower clamping piece is mainly used for the bearing of the iron core, and the upper clamping piece is mainly used for the fastening of the iron core; the upper clamping piece and the lower clamping piece are fastened and connected through the first screw rod, and the screw rod connection facilitates adjustment of the distance between the upper clamping piece and the lower clamping piece so as to adapt to iron cores with different heights. The upper and lower clamping members are formed by two parts, and the structure can respectively adjust the clamping width of the upper and lower clamping members through the screw rod, so that the iron core can be conveniently installed and fastened on one hand, and the iron core can be conveniently adapted to the stacking width of silicon steel sheets of different iron cores on the other hand. Go up and be equipped with the fastener who is used for pressing from both sides tight iron core on the clamping piece, locate the clamping piece top in comparison in the tradition, fastener changes and locates the clamping piece medial surface, can make both sides clamping piece atress more even and reduce pretension stress, can not only improve and press from both sides tight effect, can also reduce the damage deformation of whole device simultaneously, prolong its life.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a right side view of the present invention.

Fig. 3 is a plan view of the present invention (the iron core is not shown).

Fig. 4 is a bottom view of the present invention (the iron core is not shown).

Fig. 5 is an enlarged view of the fastening device.

Fig. 6 is a view showing the structure of the first connecting member or the second connecting member.

Fig. 7 is a cross-sectional view of the first upper clamp half or the second upper clamp half.

Fig. 8 is a cross-sectional view of the first lower clamp half or the second lower clamp half.

Wherein, the names corresponding to the reference numbers are:

1-an iron core, 2-an upper clamping member, 3-a lower clamping member, 4-an insulating member, 5-a first screw, 6-a second screw, 7-a bolt, 8-a third screw, 21-a first upper clamping half body, 22-a second upper clamping half body, 23-a first screw hole, 24-a first connecting piece, 25-a second connecting piece, 26-a glass ribbon, 27-a stud, 28-a third screw hole, 31-a first lower clamping half body, 32-a second lower clamping half body, 33-a second screw hole, 211-a first through hole, 221-a second through hole, 241-a first fixing leg and 251-a second fixing leg.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-8, the utility model provides a pair of transformer clamp presss from both sides tight structure, simple structure, design scientific and reasonable, convenient to use solve current transformer clamp and press from both sides tight structure atress uneven and easily appear impaired technical problem who warp, adopted more scientific and reasonable's atress structure, make the folder press from both sides tight structure atress more even, reinforcing iron core 1's fastening ability, its clamping operation is swift more laborsaving simultaneously, the installation and the maintenance of the transformer of being convenient for.

The utility model comprises an upper clamping piece 2 arranged on the top of an iron core 1 and a lower clamping piece 3 arranged on the bottom of the iron core 1, wherein the upper clamping piece 2 and the lower clamping piece 3 are fastened and connected through a screw; the upper clamping member 2 is provided with a fastening means for clamping the core 1. The structure formed by the upper clamping piece 2 and the lower clamping piece 3 is used for integrally supporting and fastening the iron core 1 and an outer coil wound on the iron core 1, wherein the lower clamping piece 3 is mainly used for bearing the iron core 1, and the upper clamping piece 2 is mainly used for fastening the iron core 1; the upper clamping piece 2 and the lower clamping piece 3 are fixedly connected through a first screw 5, and the distance between the upper clamping piece and the lower clamping piece is convenient to adjust in a screw connection mode, so that the iron cores 1 with different heights are adapted. Go up clamping piece 2 and lower clamping piece 3 and be two parts constitution, this structure passes through the screw rod and can adjust the tight width of clamp of going up clamping piece 2, lower clamping piece 3 respectively, and the iron core 1 installation and the fastening of being convenient for on the one hand, on the other hand is convenient for adapt to the range upon range of width of different iron core 1 silicon steel sheets. Go up and be equipped with the fastener who is used for pressing from both sides tight iron core 1 on the clamping piece 2, locate the clamping piece top in the tradition relatively, fastener changes and locates the clamping piece medial surface, can make both sides clamping piece atress more even and reduce pretension stress, can not only improve and press from both sides tight effect, can also reduce the damage deformation of whole device simultaneously, prolong its life.

Go up clamping piece 2 and lower clamping piece 3 and be frame rack structure, frame rack structure can alleviate the whole weight of folder, the transformer core 1 of also being convenient for simultaneously and the installation of coil, convenient follow-up operation goes on.

Go up clamping piece 2 and lower clamping piece 3 and constitute by two parts: the upper clamping part 2 comprises a first upper clamping half body 21 and a second upper clamping half body 22, and the first upper clamping half body 21 and the second upper clamping half body 22 are clamped on the top of the iron core 1 through a second screw 6; the lower clamp 3 includes a first lower clamp half 31 and a second lower clamp half 32, and the first lower clamp half 31 and the second lower clamp half 32 are clamped to the lower portion of the core 1 by the third screw 8. Go up clamping piece 2 and lower clamping piece 3's components of a whole that can function independently structure, the installation and the dismantlement of the iron core 1 and the coil of being convenient for on the one hand, the range upon range of width also differs to some extent of the silicon steel sheet of the different iron cores of on the other hand, goes up clamping

piece

2 and 3 accessible connecting screw of lower clamping piece reasonable adjustment fastening intervals, and applicable in the use of different width iron cores 1, enlarged the utility model discloses an application range.

Go up and seted up first screw 23 on the clamping piece 2, set up the second screw 33 that corresponds with first screw 23 on the lower clamping piece 3, be connected with first screw 5 between first screw 23 and the second screw 33. Because the heights of the iron cores 1 in different transformers are different, the second screw 5 can adjust the distance between the upper clamping piece 2 and the lower clamping piece 3 to be optimal according to the height of the used iron core 1, so that the iron core 1 is vertically fastened in the optimal state.

The fastening device of the utility model comprises a first connecting piece 24 arranged on the inner side surface of the first upper clamping half body 21 and a second connecting piece 25 arranged on the inner side surface of the second upper clamping half body 22; the first connecting piece 24 is tightly connected with the second connecting piece 25 through a glass ribbon 26. The first connecting piece 24 and the second connecting piece 25 are the same in structure and are both U-shaped structures, wherein: the first upper clamping half body 21 is provided with a first through hole 211 matched with the first connecting piece 24, and two first fixing legs 241 on the first connecting piece 24 are respectively arranged in one first through hole 211 in a penetrating manner; the second upper clamping half 22 is provided with a second through hole 221 adapted to the second connecting member 25, and the two second fixing legs 251 of the second connecting member 25 are respectively inserted into one second through hole 221

. In the non-fastened state of the utility model, the bolt connection of one of the two connecting pieces is in a loose state, and the bolt of the other connecting piece is fastened on the upper clamping half body 22; when the clamping is used, the glass ribbon 26 is firstly wound between the first connecting member 24 and the second connecting member 25, and since the glass ribbon 26 has excellent stretching and pressure-bearing capabilities, when the other connecting member is fixed to the upper clamping half body 11, the first upper clamping half body 21 and the second upper clamping half body 22 are fastened to the iron core 1 by tightening the one-side bolt 7 to take the glass ribbon 26 tight. Similarly, the release of the tightening or replacement of the glass ribbon 26 requires only loosening of one side of the connector bolt 7. In addition, in order to prevent the glass ribbon 26 from directly contacting the iron core 1, a friction pad is provided below the glass ribbon 26.

Press from both sides tight halfbody 22 both ends on tight halfbody 21 of first upper clamp and the second and all be equipped with founding ear 27, seted up third screw 28 on founding ear 27, founding ear 27 is connected with external strutting arrangement through the screw rod for reinforcing folder and transformer overall structure's installation stability.

Go up and be equipped with a plurality of between clamping piece 2 and the lower clamping piece 3 and be used for 1 insulating part 4 of iron core, adopt the preparation of phenolic aldehyde cardboard material to form. In addition, insulation materials are used for the isolation between coil frame layers and the isolation between windings; and the periphery of the bottom of the lower clamping piece 3 is provided with a pad foot, and an insulating material is also arranged between the pad foot and the lower clamping piece 3.

The utility model discloses used iron core 1 and coil are current known equipment to all can directly purchase the use on the market, its structure, circuit and control principle are current known technology, consequently, do not have repeated here about the structure, circuit and the control principle of iron core 1 and coil.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, but not to limit the same, and certainly not to limit the scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems solved by the present invention are still consistent with the present invention, and all the modifications or colors made in the spirit and the idea of the main design of the present invention are included in the protection scope of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.

Claims

1. The utility model provides a transformer clamp presss from both sides tight structure which characterized in that: the clamping device comprises an upper clamping piece (2) arranged at the top of an iron core (1) and a lower clamping piece (3) arranged at the bottom of the iron core (1), wherein the upper clamping piece (2) and the lower clamping piece (3) are fixedly connected through a screw; the upper clamping piece (2) is provided with a fastening device for clamping the iron core (1).

2. A transformer clamp clamping structure according to claim 1, wherein: the upper clamping piece (2) and the lower clamping piece (3) are both in a frame type structure.

3. A transformer clamp clamping structure according to claim 1, wherein: go up and seted up first screw (23) on clamping piece (2), seted up second screw (33) that correspond with first screw (23) on lower clamping piece (3), be connected with first screw (5) between first screw (23) and second screw (33).

4. A transformer clamp clamping structure according to claim 1, wherein: the upper clamping piece (2) comprises a first upper clamping half body (21) and a second upper clamping half body (22), and the first upper clamping half body (21) and the second upper clamping half body (22) are clamped on the top of the iron core (1) through a second screw (6).

5. A transformer clamp clamping structure according to claim 4, wherein: the fastening device comprises a first connecting piece (24) arranged on the inner side surface of the first upper clamping half body (21) and a second connecting piece (25) arranged on the inner side surface of the second upper clamping half body (22); the first connecting piece (24) and the second connecting piece (25) are fixedly connected through a glass ribbon (26).

6. A transformer clamp clamping structure according to claim 5, wherein: the first connecting piece (24) is of a U-shaped structure, a first through hole (211) matched with the first connecting piece (24) is formed in the first upper clamping half body (21), and two first fixing legs (241) on the first connecting piece (24) penetrate through the first through hole (211) respectively.

7. A transformer clamp clamping structure according to claim 5, wherein: the second connecting piece (25) is of a U-shaped structure, a second through hole (221) matched with the second connecting piece (25) is formed in the second upper clamping half body (22), and two second fixing legs (251) of the second connecting piece (25) are respectively arranged in the second through hole (221) in a penetrating mode.

8. A transformer clamp clamping structure according to claim 4, wherein: the two ends of the first upper clamping half body (21) and the second upper clamping half body (22) are respectively provided with a vertical lug (27), the vertical lug (27) is provided with a third screw hole (28), and the vertical lug (27) is connected with an external supporting device through a screw rod.

9. A transformer clamp clamping structure according to claim 1, wherein: the lower clamping piece (3) comprises a first lower clamping half body (31) and a second lower clamping half body (32), and the first lower clamping half body (31) and the second lower clamping half body (32) are clamped on the lower portion of the iron core (1) through a third screw (8).

10. A transformer clamp clamping structure according to claim 1, wherein: a plurality of insulating pieces (4) used for insulating the iron core (1) are arranged between the upper clamping piece (2) and the lower clamping piece (3).