CN213400816U - Iron core lamination clamping structure - Google Patents
Iron core lamination clamping structure Download PDFInfo
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- CN213400816U CN213400816U CN202022825484.7U CN202022825484U CN213400816U CN 213400816 U CN213400816 U CN 213400816U CN 202022825484 U CN202022825484 U CN 202022825484U CN 213400816 U CN213400816 U CN 213400816U
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Abstract
The utility model provides an iron core lamination clamping structure, belonging to the technical field of transformers, which comprises a main body, an insulating clamp, an upper iron yoke clamp and an iron core column clamp; the main body comprises an iron core column, an upper iron yoke and a lower iron yoke, wherein the upper iron yoke and the lower iron yoke are respectively positioned at the upper end and the lower end of the iron core column; the insulating clamping piece comprises two upper clamping pieces connected with the upper iron yoke and two lower clamping pieces connected with the lower iron yoke; the upper iron yoke clamping pieces are arranged on two sides of the upper clamping piece in pairs and used for pressing the upper clamping piece; the plurality of iron core column clamping pieces are arranged on two sides of the iron core column in pairs and used for pressing the iron core column. The utility model provides a tight structure of iron core lamination clamp has stopped iron core post winding head magnetic leakage, arouses great eddy current loss's problem in the metal clamp, has reduced transformer operation self power consumption, and has avoided the iron core lamination clamping degree not enough problem that insulating clamp atress warp and leads to, has increased the holistic steadiness of iron core lamination.
Description
Technical Field
The utility model belongs to the technical field of the transformer, more specifically say, relate to a tight structure of iron core lamination clamp.
Background
The transformer iron core is formed by stacking electrical steel strips, and is combined by a clamping piece, a cushion block, a pull belt, a screw rod and the like to form a firm integral structure.
At present, the clamping piece of the iron core is made of metal materials mainly comprising magnetic steel so as to clamp the iron core, and the stability of the iron core is guaranteed while the noise generated by the operation of the transformer is reduced. The use of the metal material increases the electrical insulation distance of the transformer, so that the transformer is poor in use stability, the clamping piece is located in a region with large magnetic leakage at the end of the winding, and the use of the metal material can generate large eddy current loss, so that the transformer is large in energy consumption during operation.
In order to solve the problems, a wooden clamping piece is often adopted to replace a metal clamping piece in the prior art, the mechanical strength of the wooden clamping piece is poor, the clamping piece is easy to deform under stress, the clamping degree of the iron core lamination is not enough, and the iron core column is in a wrong deflection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an iron core lamination clamping structure, which aims to solve the problem that the eddy current loss of a transformer is large when a metal clamping piece is used for clamping an iron core lamination; and when the wooden clamping piece is adopted to clamp the iron core lamination, the iron core lamination has insufficient clamping degree and poor stability.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a core lamination clamping structure including:
a main body including a core limb, an upper yoke at an upper end of the core limb, and a lower yoke at a lower end of the core limb;
the insulating clamp comprises two upper clamps for clamping the upper iron yoke and two lower clamps for clamping the lower iron yoke;
the upper iron yoke clamping pieces are arranged on two sides of the upper clamping piece in pairs and are used for pressing the upper clamping piece by virtue of correspondingly arranged first locking pieces; and
and the upper iron yoke clamping pieces are arranged on the outer sides of the two correspondingly arranged upper clamping pieces in pairs and used for pressing the iron core columns.
As another embodiment of the present application, two of the upper clips limit the upper yokes by means of the banding band, and two of the lower clips limit the lower yokes by means of the banding band.
As another embodiment of this application, go up the folder with the folder all is equipped with the ligature hole down, first ligature with the second ligature runs through the correspondence the ligature hole.
As another embodiment of this application, two the outside of going up the folder all is equipped with and is used for compressing tightly go up the auxiliary channel steel of folder, be equipped with a plurality ofly on the auxiliary channel steel and run through in proper order the auxiliary channel steel with go up the screw rod of folder.
As another embodiment of the application, a cushion block is arranged between the two upper clamping pieces, and the screw penetrates through the cushion block to connect the two upper clamping pieces.
As another embodiment of the present application, an upper iron yoke clip includes:
the first channel steel is in a plurality of two-two corresponding arrangement on the outer sides of the two auxiliary channel steels.
As another embodiment of the present application, the first locking member is a bolt, and the bolt connects ends of two corresponding first channel steels.
As another embodiment of the present application, the core limb clamping piece includes:
and the second channel steel is provided with a plurality of screws at intervals along the length direction.
The utility model provides a tight structure of iron core lamination clamp's beneficial effect lies in: compared with the prior art, the utility model discloses iron core lamination presss from both sides tight structure adopts the last indisputable yoke and the indisputable yoke down at the fixed iron core post both ends of insulating folder, has stopped iron core post winding head portion magnetic leakage, arouses great eddy current loss's problem in the metal clamp, has reduced transformer operation self power consumption, and has avoided the iron core lamination clamping degree not enough problem that insulating folder atress warp and leads to, has increased the holistic steadiness of iron core lamination.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an iron core lamination clamping structure according to an embodiment of the present invention;
fig. 2 is a side view of a core lamination clamping structure according to an embodiment of the present invention;
fig. 3 is a top view of a core lamination clamping structure according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an auxiliary channel steel provided in an embodiment of the present invention;
fig. 5 is a schematic structural view of a first channel steel provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second channel steel provided by an embodiment of the present invention.
In the figure: 1. a core limb; 2. an upper iron yoke; 3. a lower iron yoke; 4. an upper clamp; 5. a lower clamp; 6. auxiliary channel steel; 7. cushion blocks; 8. a first channel steel; 9. a second channel steel; 10. a first tie wrap; 11. a second tie wrap; 12. and a third binding band.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and fig. 3, the core lamination clamping structure provided by the present invention will be described. The iron core lamination clamping structure comprises a main body, an insulating clamping piece, an upper iron yoke clamping piece and an iron core column 1; the main body comprises an iron core column 1, and an upper iron yoke 2 and a lower iron yoke 3 which are respectively positioned at the upper end and the lower end of the iron core column 1; the insulating clamp comprises two upper clamps 4 connected with the upper iron yoke 2 and two lower clamps 5 connected with the lower iron yoke 3; the upper iron yoke clamping pieces are arranged on two sides of the upper clamping piece 4 in pairs and are used for pressing the upper clamping piece 4 by means of correspondingly arranged first locking pieces; the plurality of core limb clamping pieces are arranged on two sides of the plurality of core limbs 1 in pairs and used for compressing the core limbs 1.
Compared with the prior art, the iron core lamination clamping structure provided by the utility model is characterized in that a lower iron yoke 3, an iron core column 1 and an upper iron yoke 2 are sequentially arranged from bottom to top, two upper clamping pieces 4 are clamped at two sides of the upper iron yoke 2, two lower clamping pieces 5 are clamped at two sides of the lower iron yoke 3, the upper iron yoke clamping pieces are clamped at two sides of the upper clamping pieces 4 in pairs, and the upper clamping pieces 4 are tightly pressed at the outer side of the upper iron yoke 2 and are used for assisting in tightly pressing the upper iron yoke 2; the iron core column clamping pieces are clamped on two sides of the iron core column 1 in pairs, and the iron core column 1 is clamped between the two iron core column clamping pieces, so that the surface of the iron core column 1 is wound with binding tapes, and the stability of iron core lamination is enhanced. The utility model provides an iron core lamination presss from both sides tight structure, adopt the last yoke 2 and the lower yoke 3 at 1 both ends of the fixed iron core post of insulating folder, 1 winding head magnetic leakage of iron core post has been stopped, arouse the problem of great eddy current loss in the metal clamp, transformer operation self power consumption has been reduced, and the mechanical properties of going up folder 4 has been strengthened with the help of last yoke folder, the problem that the iron core lamination clamping degree that leads to is out of shape to the insulating folder atress has been avoided, in addition, add the iron core post folder on the basis of insulating folder centre gripping, the holistic steadiness of multiplicable iron core lamination.
Optionally, the insulating clamp is a wooden clamp, the upper clamp 4 and the lower clamp 5 are both wooden clamping plates, the wooden clamping plates are fixed on two sides of the yoke by virtue of binding belts, and potential safety hazards caused by vibration looseness of the yoke during operation of the transformer are reduced.
Specifically, the two upper clips 4 limit the upper yokes 2 by means of the first banding band 10, and the two lower clips 5 limit the lower yokes 3 by means of the second banding band 11.
As a specific embodiment of the core lamination clamping structure provided in the present invention, please refer to fig. 2, the upper clamp 4 and the lower clamp 5 are both provided with tie holes, and the first tie strip 10 and the second tie strip 11 run through the corresponding tie holes. In this embodiment, the upper clip 4 and the lower clip 5 are both wood clips each having a strap hole on one side, the two wood clips are arranged on the opposite sides of the side having the strap hole when the two wood clips are installed, the two wood clips are arranged on the two sides of the iron yoke, and the two wood clips are fixedly connected with the strap hole by passing the strap through the strap hole. Specifically, the first binding band 10 penetrates through binding band holes in the wood clamp pieces on two sides of the upper iron yoke 2, and binds the upper iron yoke 2 and the two wood clamp pieces on two sides of the upper iron yoke 2 together; the second binding band 11 penetrates through the binding band holes in the wood clamp pieces at the two sides of the lower iron yoke 3 to bind the lower iron yoke 3 and the two wood clamp pieces at the two sides of the lower iron yoke 3 together.
As a specific implementation manner of the iron core lamination clamping structure provided by the present invention, please refer to fig. 2, two outer sides of the upper clamping piece 4 are respectively provided with an auxiliary channel steel 6 for compressing the upper clamping piece 4, and the auxiliary channel steel 6 is provided with a plurality of screws sequentially penetrating through the auxiliary channel steel 6 and the upper clamping piece 4. In this embodiment, two upper clamping pieces 4 provided at both ends of the upper yoke 2 are provided with through holes along the axial direction of the upper yoke 2 at intervals, the upper clamping piece 4 is provided with two through holes along the axial direction of the upper yoke 2, an auxiliary channel steel 6 is provided at the outer side of the upper clamping piece 4, the auxiliary channel steel 6 is provided with a notch corresponding to the through holes, and the screw penetrates through the notch and the through holes to compress and fix the two upper clamping pieces 4.
Specifically, the screw rod passes through the through holes of the two upper clamping pieces 4 and is fastened through the nut, and the upper clamping pieces 4 are pressed tightly by the auxiliary channel steel 6 so as to ensure that the upper iron yoke 2 and the upper clamping pieces 4 are fixed more stably. Optionally, the lower clamping piece 5 is the same as the upper clamping piece 4, and is also provided with two through holes, the lower yoke 3 is limited between the two lower clamping pieces 5, and is fixed by two corresponding screws penetrating through the through holes of the two lower clamping pieces 5 after being bound and fixed by the second binding band 11.
As a specific embodiment of the iron core lamination clamping structure provided in the present invention, please refer to fig. 3, a cushion 7 is disposed between two upper clamping pieces 4, and a screw penetrates through the cushion 7 to connect the two upper clamping pieces 4. In this embodiment, a spacer 7 is disposed between the two upper clamping pieces 4, a hole for allowing the screw to pass through is correspondingly reserved on the spacer 7, and the screw passes through the hole and is connected and fixed to the two upper clamping pieces 4, so that the spacer 7 is fixed between the two upper clamping pieces 4. Optionally, the length of the spacer 7 is the same as the diameter of the upper yoke 2, and the spacer 7 is just connected between the two upper clamping pieces 4 and will not slide on the screw.
As a specific embodiment of the iron core lamination clamping structure, please refer to fig. 1 and 5, the upper iron yoke clamp includes the first channel steel 8, and two pairwise correspondences of the first channel steels 8 are located in the outside of the two auxiliary channel steels 6. In this embodiment, the upper yoke clamping piece located on the outer side of the upper clamping piece 4 and used for pressing the upper clamping piece 4 against the side wall of the upper yoke 2 is a first channel steel 8, the side wall of the first channel steel 8 is correspondingly provided with connecting holes, the fastening bolt penetrates through the two connecting holes and extends to the connecting hole on the first channel steel 8 corresponding to the two connecting holes, and two ends of the fastening bolt are fixed through the fastening nut respectively. The wooden clamp has poor mechanical strength, the upper iron yoke 2 needs to be fixedly clamped by the aid of the upper iron yoke clamp, the two upper iron yoke clamps are respectively abutted against the outer sides of the two upper clamp pieces 4, and the two upper clamp pieces 4 are tightly pressed on the side wall of the upper iron yoke 2 through fastening bolts. Optionally, the upper iron yoke clamp is an angle steel with a threaded hole.
As a specific embodiment of the iron core lamination clamping structure provided by the present invention, please refer to fig. 5, the connecting holes at the end of the first channel steel 8 are plural. In this embodiment, the first channel steel 8 is fixed to the outer side of the upper clamping piece 4, the length direction of the first channel steel 8 is consistent with the axial direction of the upper yoke 2, one end of the first channel steel 8, which is located below the upper yoke 2, is provided with one connecting hole, and one end, which is located above the upper yoke 2, is provided with a plurality of connecting holes, so as to adapt to the upper yokes 2 and the upper clamping piece 4 with different sizes.
As a specific implementation manner of the iron core lamination clamping structure provided by the present invention, please refer to fig. 1 and fig. 6, the iron core column clamping member includes a second channel steel 9, and the second channel steel 9 is provided with a plurality of screws along the length direction thereof at intervals. In this embodiment, the core limb clamping piece includes the second channel-section steel 9 of transversely fixing on the core limb 1, and two second channel-section steels 9 set up in pairs in the both sides of core limb 1, and with last clamping piece 4 parallel arrangement, connect spacing core limb 1 through the screw rod. Second channel-section steel 9 is equipped with a plurality of holes that hold the screw rod and pass through along its length direction in proper order interval to the iron core post 1 of different specifications is adapted to. The screws respectively penetrate through two holes on the two second channel steels 9, which are closest to the core limb 1, so as to achieve the best effect of fixing the core limb 1. Specifically, two second channel steels 9 arranged in pairs form one group, and a plurality of groups of second channel steels 9 may be arranged on the core limb 1.
When the iron core lamination is clamped, firstly, the lower iron yoke 3, the iron core column 1 and the upper iron yoke 2 are placed and installed from bottom to top, then, second channel steel 9 are installed on the iron core column 1, the iron core column 1 is tightly pressed between the two second channel steel 9 through a tensioning screw, and is tightly bound along the circumferential direction of the iron core column 1 through a third binding belt 12, and the number of the third binding belts 12 is multiple according to the length requirement of the iron core column 1; lower clamping pieces 5 are arranged on two sides of the lower iron yoke 3, second binding belts 11 penetrate through binding belt holes in the lower clamping pieces 5 to fasten the lower clamping pieces 5 on two sides of the lower iron yoke 3, bolt holes are formed in two sides of the lower clamping pieces 5, screws penetrate through the bolt holes to connect the two lower clamping pieces 5, and the lower iron yoke 3 is tightly pressed between the two lower clamping pieces 5; the upper clamp 4 is installed at both sides of the upper yoke 2, and the upper clamp 4 is fastened to both sides of the upper yoke 2 by a first ligature 10 penetrating a ligature hole of the upper clamp 4.
And erecting the iron core, removing the second channel steel 9, and transferring to an assembly workshop for assembling the winding. Before assembling the winding, demolish yoke 2, upper clamp 4 and first ligature area 10, with the winding suit on iron core post 1, insert back yoke 2 again around the back: an upper clamping piece 4 is installed, an auxiliary channel steel 6 is arranged on the outer side of the upper clamping piece 4, first channel steel 8 is arranged on the outer side of the auxiliary channel steel 6 in pairs, and the first channel steel 8 fastens the upper end and the lower end of the upper iron yoke 2 along the vertical direction to prevent the upper iron yoke from shaking up and down; the first channel steel 8 is arranged in pairs in front of and behind the upper yoke 2, the lower end of the first channel steel 8 positioned in front of the upper yoke 2 is connected with the first channel steel 8 positioned behind the upper yoke 2 through fastening bolts, and the first channel steel 8 clamps the upper yoke between the two upper clamps 4 through the auxiliary channel steel 6, so that the upper yoke 2 is prevented from shaking; a first binding belt 10 penetrates through a binding belt hole at one end of the upper clamping piece 4 close to the auxiliary channel steel 6 to tightly bind the upper iron yoke 2 and the upper clamping piece 4; installing a cushion block 7 and a screw rod, wherein the screw rod sequentially penetrates through the notch, the through hole, the cushion block 7, the through hole and the notch of the auxiliary channel steel 6, and the cushion block 7 is tightly pressed between the two upper clamping pieces 4, so that the cushion block 7 is connected with the side wall of the upper iron yoke 2; and finally, the first channel steel 8 and the auxiliary channel steel 6 are removed to complete the clamping of the iron core lamination.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A core lamination clamping structure, comprising:
a main body including a core limb, an upper yoke at an upper end of the core limb, and a lower yoke at a lower end of the core limb;
the insulating clamp comprises two upper clamps for clamping the upper iron yoke and two lower clamps for clamping the lower iron yoke;
the upper iron yoke clamping pieces are arranged on the outer sides of the two correspondingly arranged upper clamping pieces in pairs and are used for pressing the upper clamping pieces by virtue of correspondingly arranged first locking pieces; and
the core column clamping pieces are arranged on two sides of the core columns in pairs and used for pressing the core columns.
2. An iron core lamination clamping structure as claimed in claim 1, wherein two of said upper clamp pieces restrain said upper yokes by means of first tie-bands, and two of said lower clamp pieces restrain said lower yokes by means of second tie-bands.
3. A core lamination clamping structure according to claim 2, wherein said upper and lower clamp members are each provided with a tie strap aperture, and said first and second tie straps extend through the corresponding tie strap apertures.
4. A clamping structure for iron core laminations as claimed in claim 3, wherein the outer sides of both said upper clamping pieces are provided with auxiliary channels for pressing said upper clamping pieces, said auxiliary channels being provided with a plurality of screws passing through said auxiliary channels and said upper clamping pieces in sequence.
5. An iron core lamination clamping structure as claimed in claim 4, wherein a spacer is provided between two of said upper clamping members, and said screw penetrates said spacer to connect said two upper clamping members.
6. An iron core lamination clamping structure as recited in claim 4, wherein the upper yoke clamp member comprises:
the first channel steel is in a plurality of two-two corresponding arrangement on the outer sides of the two auxiliary channel steels.
7. The core lamination clamping structure of claim 6, wherein said first locking member is a bolt connecting ends of two corresponding said first channel segments.
8. An iron core lamination clamping structure as recited in claim 1, wherein said core limb clamping member comprises:
and the second channel steel is provided with a plurality of screws at intervals along the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825484.7U CN213400816U (en) | 2020-11-30 | 2020-11-30 | Iron core lamination clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825484.7U CN213400816U (en) | 2020-11-30 | 2020-11-30 | Iron core lamination clamping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213400816U true CN213400816U (en) | 2021-06-08 |
Family
ID=76196064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022825484.7U Active CN213400816U (en) | 2020-11-30 | 2020-11-30 | Iron core lamination clamping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213400816U (en) |
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2020
- 2020-11-30 CN CN202022825484.7U patent/CN213400816U/en active Active
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