CN219811401U - Transformer coil press mounting tool - Google Patents

Abstract

The utility model discloses a transformer coil press-fitting tool, which comprises a bottom plate and clamping plates, wherein the clamping plates are arranged above the bottom plate at intervals, the clamping plates are used for clamping a transformer coil in a mutually matched manner with the bottom plate, the clamping plates are provided with at least three first mounting holes, the at least three first mounting holes are provided with a group of press-fitting assemblies, all the press-fitting assemblies are uniformly distributed along the circumference, each group of press-fitting assemblies comprises a screw rod, a hollow hydraulic jack sleeved at the upper end of the screw rod and a nut screwed at the upper end of the screw rod, the screw rod penetrates through the corresponding first mounting holes, the lower end of the screw rod is arranged on the bottom plate, the hollow hydraulic jack is positioned between the clamping plates and the corresponding nut, and all the hollow hydraulic jacks can mutually matched and drive the clamping plates to press down. The transformer coil press-fitting tool provided by the utility model can replace special press machine equipment to press coils, is low in cost, has low requirements on operation skills of staff, can be moved and carried, and is flexible to use.

Description

Transformer coil press mounting tool

Technical Field

The utility model relates to the technical field of transformer coil press-fitting, in particular to a transformer coil press-fitting tool.

Background

At present, most transformers are wound by copper or aluminum flat wires according to requirements in the coil manufacturing process, and are composed of insulating paperboards and laminated wood, so that the axial height of the coil is ensured to reduce magnetic flux leakage as much as possible, and the coil is usually required to be compressed. At present, a manufacturer usually adopts special press equipment to press the coil, however, the special press equipment has large size, wide occupation, high cost in hundreds of thousands and high investment, and the special press equipment has complex operation and high requirement on the operation skills of staff.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a transformer coil press-fitting tool which can replace special press machine equipment to press coils, has low cost and low requirement on the operation skills of staff.

According to the transformer coil press-fitting tool disclosed by the embodiment of the utility model, the transformer coil press-fitting tool comprises a bottom plate and clamping plates, wherein the clamping plates are arranged above the bottom plate at intervals, the clamping plates are used for clamping a transformer coil in a mutually matched manner with the bottom plate, the clamping plates are provided with at least three first mounting holes, at least three first mounting holes are provided with a group of pressing assemblies, all the pressing assemblies are uniformly distributed along the circumference, each group of pressing assemblies comprises a screw rod, a hollow hydraulic jack sleeved at the upper end of the screw rod and a nut screwed at the upper end of the screw rod, the screw rod penetrates through the corresponding first mounting holes, the lower end of the screw rod is mounted on the bottom plate, and the hollow hydraulic jack is positioned between the clamping plates and the corresponding nut; the clamping plates can be lifted relative to the bottom plate, the hollow hydraulic jacks can be lifted along the corresponding screw rods, and all the hollow hydraulic jacks can be mutually matched to drive the clamping plates to be pressed down.

The transformer coil press-fitting tool provided by the embodiment of the utility model has at least the following beneficial effects: through the arrangement, the transformer coil press-fitting tool provided by the utility model can replace special press machine equipment to press coils, and in the process of pressing coils, the coils are positioned between the bottom plate and the clamping plates, and the clamping plates are driven to press down only through the mutual cooperation of a plurality of hollow hydraulic jacks, so that the coil press-fitting work can be completed.

According to some embodiments of the utility model, all the first mounting holes are provided as bar-shaped holes and are uniformly distributed in a radial direction, the lower ends of the screws are slidably mounted on the bottom plate, and the screws can slide along the corresponding first mounting holes.

According to some embodiments of the utility model, the bottom plate is provided with a plurality of strip-shaped second mounting holes, the number of the second mounting holes is the same as that of the first mounting holes, all the second mounting holes are parallel to all the first mounting holes in a one-to-one correspondence manner, the lower end of the screw rod is penetrated through the corresponding second mounting holes, and the lower end of the screw rod is provided with a head part which is positioned on the lower side of the bottom plate and is abutted against the bottom plate.

According to some embodiments of the utility model, the bottom plate is provided with a plurality of first access holes, the first access holes are communicated with the second installation holes in a one-to-one correspondence manner, and the lower ends of the screws can access the second installation holes through the first access holes.

According to some embodiments of the utility model, the width of the first mounting hole is smaller than the size of the head, the clamping plate is provided with a plurality of second access holes, the size of the second access holes is larger than the size of the head, the plurality of second access holes are communicated with the plurality of first mounting holes in a one-to-one correspondence manner, and the upper end of the screw rod can access the first mounting holes through the second access holes.

According to some embodiments of the utility model, a first through hole is arranged in the middle of the clamping plate, and all the first mounting holes are uniformly distributed radially around the center of the first through hole.

According to some embodiments of the utility model, the upper side of the clamping plate is connected with a reinforcing ring, the reinforcing ring is arranged along the circumference of the first through hole, the upper side of the clamping plate is connected with a plurality of reinforcing plates, and the reinforcing plates are radially arranged and connected with the reinforcing ring.

According to some embodiments of the utility model, the reinforcement plate is provided with lifting holes for lifting.

According to some embodiments of the utility model, a second through hole is arranged in the middle of the bottom plate, and the second through hole is opposite to the first through hole.

According to some embodiments of the utility model, the bottom plate is provided with at least three supporting pieces on the lower side, and all the supporting pieces are distributed radially around the center of the second through hole.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic diagram of a transformer coil press-fitting tool according to an embodiment of the present utility model;

fig. 2 is a bottom schematic view of the transformer coil press-fitting tool shown in fig. 1.

Reference numerals:

the base plate 100, the second mounting hole 110, the first inlet and outlet hole 120, the second through hole 130, the clamping plate 200, the first mounting hole 210, the second inlet and outlet hole 220, the first through hole 230, the pressing assembly 300, the screw 310, the head 311, the nut 320, the hollow hydraulic jack 330, the support 400, the third through hole 410, the reinforcing ring 510, the reinforcing plate 520, and the lifting hole 521.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 and 2, the transformer coil press-fitting tool provided by the embodiment of the utility model comprises a bottom plate 100 and clamping plates 200, wherein the clamping plates 200 are arranged above the bottom plate 100 at intervals, the clamping plates 200 are used for mutually matching with the bottom plate 100 to clamp a transformer coil, the clamping plates 200 are provided with at least three first mounting holes 210, the at least three first mounting holes 210 are provided with a group of press-fitting components, all the press-fitting components are uniformly distributed along the circumference, each group of press-fitting components comprises a screw 310, a hollow hydraulic jack 330 sleeved at the upper end of the screw 310 and a nut 320 screwed at the upper end of the screw 310, the screw 310 is arranged in the corresponding first mounting hole 210 in a penetrating manner, the lower end of the screw 310 is arranged on the bottom plate 100, and the hollow hydraulic jack 330 is positioned between the clamping plates 200 and the corresponding nut 320; wherein, splint 200 can go up and down relative bottom plate 100, hollow hydraulic jack 330 can go up and down along corresponding screw rod 310, and all hollow hydraulic jack 330 can mutually support and drive splint 200 to push down.

Through the arrangement, the transformer coil press-fitting tool provided by the utility model can replace special press-fitting equipment to press coils, and in the process of pressing coils, the coils are positioned between the bottom plate 100 and the clamping plates 200, and the clamping plates 200 are driven to press downwards only through the mutual cooperation of the plurality of hollow hydraulic jacks 330, so that the coil pressing operation can be completed.

It is conceivable that the clamping plate 200 is uniformly stressed during the coil-pressing process due to the uniform distribution of all the pressing members along the circumference, so that the working quality can be ensured.

In a specific implementation process, as shown in fig. 1, the number of the first mounting holes 210 may be set to 8, the number of the pressing assemblies may be set to 4, and the number of the pressing assemblies may be adjusted according to the size of the transformer coil, and a maximum of 8 pressing assemblies may be used; or, the number of the first mounting holes 210 may be set to 12, and at this time, the number of the pressing members may be adjusted according to the size of the transformer coil, and the number of the pressing members may be set to 3, 4, or 6 groups. Therefore, the transformer press-fitting tool provided by the utility model can adjust the number of the press-fitting components according to the size of the transformer coil, can ensure that the coil is pressed more uniformly while meeting the pressure requirement for press-fitting the coil, and improves the press-fitting quality.

Of course, it should be noted that, in the implementation process, the number of the first mounting holes 210 may be 3 or 4, and the number of the pressing assemblies may be the same as the number of the first mounting holes 210.

In a specific implementation process, the transformer coil may be first placed on the bottom plate 100, then the clamping plate 200 is placed on the upper side surface of the transformer coil, and then the pressing component is installed, so that after the assembly is completed, the clamping plate 200 can be driven to press down through the mutual cooperation of the plurality of hollow hydraulic jacks 330.

Referring to fig. 1 and 2, in some embodiments, all the first mounting holes 210 are provided as strip-shaped holes and are uniformly distributed in a radial shape, the lower ends of the screws 310 are slidably mounted on the bottom plate 100, the screws 310 can slide along the corresponding first mounting holes 210, so that the clamping plates 200 can be adjusted according to the height of the transformer coil, and all the pressing components can be adjusted in position according to the size of the transformer coil on the horizontal plane, so that the transformer coil pressing tool provided by the utility model can meet the pressing operation of transformer coils with different sizes and different heights, and has strong universality. When all the pressing assembly positions are adjusted according to the size of the transformer coil on the horizontal plane, the stress position of the clamping plate 200 is adjusted according to the size of the transformer coil on the horizontal plane, namely, the clamping plate 200 can adjust the distribution of the pressure on the coil according to the size of the transformer coil, so that the coil is stressed more uniformly, and the press-fitting quality is improved.

Referring to fig. 1 and 2, in some embodiments, the base plate 100 is provided with a plurality of strip-shaped second mounting holes 110, the number of the second mounting holes 110 is the same as that of the first mounting holes 210, all the second mounting holes 110 are parallel to all the first mounting holes 210 in a one-to-one correspondence, the lower ends of the screws 310 are arranged in the corresponding second mounting holes 110 in a penetrating manner, the lower ends of the screws 310 are provided with heads 311, and the heads 311 are located on the lower side of the base plate 100 and are abutted against the base plate 100.

Referring to fig. 1 and 2, in some embodiments, the base plate 100 is provided with a plurality of first access holes 120, the plurality of first access holes 120 are in communication with a plurality of second mounting holes 110 in a one-to-one correspondence, and the lower end of the screw 310 can access the second mounting holes 110 through the first access holes 120, so that when the screw 310 is mounted, the head 311 of the screw 310 can pass through the corresponding first access holes 120 from above the base plate 100, and then the screw 310 slides into the corresponding second mounting holes 110, so that the screw 310 can be mounted on the base plate 100.

Referring to fig. 1 and 2, in some embodiments, the width of the first mounting hole 210 is smaller than the size of the head 311, the clamping plate 200 is provided with a plurality of second access holes 220, the size of the second access holes 220 is larger than the size of the head 311, the plurality of second access holes 220 are communicated with the plurality of first mounting holes 210 in a one-to-one correspondence manner, the plurality of second access holes 220 are communicated with the plurality of first access holes 120 in a one-to-one correspondence manner, and the upper end of the screw 310 can access the first mounting holes 210 through the second access holes 220, thereby, when the screw 310 is mounted, the head 311 of the screw 310 can sequentially pass through the corresponding second access holes 220 and the first access holes 120 from top to bottom, and then the screw 310 can be slid into the second mounting holes 110 and the first mounting holes 210 by horizontally moving the screw 310.

It should be noted that, in other embodiments, when the width of the first mounting hole 210 is greater than the size of the head 311 of the screw 310 and the width of the first mounting hole 210 is smaller than the outer dimension of the hollow hydraulic jack 330, the second inlet and outlet hole 220 may be omitted, and when the screw 310 is mounted, the head 311 of the screw 310 may sequentially pass through the corresponding first mounting hole 210 and the first inlet and outlet hole 120 from top to bottom, and then the screw 310 may be slid into the second mounting hole 110 by moving the screw 310 horizontally.

It should be noted that, in other embodiments, the lower end of the screw 310 may be slidably mounted to the base plate 100 in other manners, for example, the second mounting hole 110 may be replaced by an inverted T-shaped chute, and the head 311 of the screw 310 may be slidably engaged in the corresponding inverted T-shaped chute, so that the lower end of the screw 310 may slide along the corresponding inverted T-shaped chute.

Referring to fig. 1 and 2, in some embodiments, a first through hole 230 is provided in the middle of the clamping plate 200, all the first mounting holes 210 are uniformly distributed radially around the center of the first through hole 230, and by the arrangement of the first through hole 230, the weight of the clamping plate 200 can be reduced, the cost can be reduced, and the carrying is convenient.

Referring to fig. 1 and 2, in some embodiments, a reinforcing ring 510 is connected to an upper side of the clamping plate 200, the reinforcing ring 510 is disposed along a circumferential direction of the first through hole 230, a plurality of reinforcing plates 520 are connected to the upper side of the clamping plate 200, and the plurality of reinforcing plates 520 are radially arranged and connected to the reinforcing ring 510, so that the strength of the clamping plate 200 can be improved by the arrangement of the reinforcing rings 510 and the reinforcing plates 520, and the clamping plate 200 can bear a larger pressure, so that the transformer coil press-fitting tool provided by the utility model can be used for press-fitting coils of a high-capacity high-voltage transformer.

Referring to fig. 1 and 2, in some embodiments, the reinforcing plate 520 is provided with a lifting hole 521 for lifting, so as to facilitate lifting and carrying of the transformer coil press-fitting tool, and improve the working efficiency.

According to some embodiments of the present utility model, the second through hole 130 is disposed in the middle of the bottom plate 100, and the second through hole 130 is disposed opposite to the first through hole 230, so that the weight of the chassis can be reduced, the cost can be reduced, and the chassis can be conveniently carried.

According to some embodiments of the present utility model, at least three supporting members 400 are disposed on the lower side of the bottom plate 100, all the supporting members 400 are radially distributed around the center of the second through hole 130, and by disposing the supporting members 400, a gap exists between the bottom plate 100 and the ground, so that the lifting is convenient, and the working efficiency is improved; in addition, since all the supporting pieces 400 are radially distributed around the center of the second through hole 130, the bottom plate 100 can be more stably placed on the ground, so that the transformer press-fitting tool can be more stably press-fitting the coil, and the working quality can be improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The present embodiment has been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit.

Claims (10)

1. A transformer coil press-fitting tool, comprising:

a bottom plate (100);

the clamping plates (200) are arranged above the bottom plate (100) at intervals, the clamping plates (200) are used for mutually matching with the bottom plate (100) to clamp a transformer coil, the clamping plates (200) are provided with at least three first mounting holes (210), at least three first mounting holes (210) are provided with a group of pressing assemblies, all the pressing assemblies are uniformly distributed along the circumference, each group of pressing assemblies comprises a screw (310), a hollow hydraulic jack (330) sleeved at the upper end of the screw (310) and a nut (320) screwed at the upper end of the screw (310), the screw (310) is penetrated into the corresponding first mounting hole (210), the lower end of the screw (310) is installed on the bottom plate (100), and the hollow hydraulic jack (330) is positioned between the clamping plates (200) and the corresponding nut (320).

The clamping plate (200) can be lifted relative to the bottom plate (100), the hollow hydraulic jacks (330) can be lifted along the corresponding screw rods (310), and all the hollow hydraulic jacks (330) can be mutually matched to drive the clamping plate (200) to be pressed down.

2. The transformer coil press-fitting tool according to claim 1, wherein all of the first mounting holes (210) are provided as bar-shaped holes and are uniformly distributed in a radial shape, the lower ends of the screws (310) are slidably mounted to the base plate (100), and the screws (310) are slidably movable along the corresponding first mounting holes (210).

3. The transformer coil press-fit tool according to claim 2, wherein the base plate (100) is provided with a plurality of strip-shaped second mounting holes (110), the number of the second mounting holes (110) is the same as the number of the first mounting holes (210), all the second mounting holes (110) are parallel to all the first mounting holes (210) in a one-to-one correspondence manner, the lower ends of the screws (310) penetrate through the corresponding second mounting holes (110), the lower ends of the screws (310) are provided with heads (311), and the heads (311) are located on the lower side of the base plate (100) and are abutted to the base plate (100).

4. A transformer coil press-fitting tool according to claim 3, wherein the base plate (100) is provided with a plurality of first access holes (120), the plurality of first access holes (120) are in communication with the plurality of second mounting holes (110) in one-to-one correspondence, and the lower end of the screw (310) can be accessed to the second mounting holes (110) through the first access holes (120).

5. The transformer coil press-fitting tool according to claim 4, wherein the first mounting hole (210) has a width smaller than a size of the head portion (311), the clamping plate (200) is provided with a plurality of second access holes (220), the size of the second access holes (220) is larger than the size of the head portion (311), the plurality of second access holes (220) are in one-to-one correspondence with the plurality of first mounting holes (210), and the plurality of second access holes (220) are in one-to-one correspondence with the plurality of first access holes (120), and an upper end of the screw (310) can be accessed to the first mounting hole (210) through the second access holes (220).

6. The transformer coil press-fit tool according to claim 2, wherein a first through hole (230) is provided in the middle of the clamping plate (200), and all the first mounting holes (210) are uniformly distributed radially around the center of the first through hole (230).

7. The transformer coil press-fitting tool according to claim 6, wherein a reinforcing ring (510) is connected to an upper side surface of the clamping plate (200), the reinforcing ring (510) is disposed along a circumferential direction of the first through hole (230), a plurality of reinforcing plates (520) are connected to an upper side surface of the clamping plate (200), and the plurality of reinforcing plates (520) are radially arranged and connected to the reinforcing ring (510).

8. The transformer coil press-fitting tool according to claim 7, wherein the reinforcing plate (520) is provided with a lifting hole (521) for lifting.

9. The transformer coil press-fit tool according to claim 6, wherein a second through hole (130) is provided in the middle of the bottom plate (100), the second through hole (130) being disposed opposite to the first through hole (230).

10. The transformer coil press-fitting tool according to claim 9, wherein at least three supporting members (400) are provided on the lower side of the base plate (100), and all the supporting members (400) are radially distributed around the center of the second through hole (130).