CN215834410U - Preheating mechanism for winding of transformer - Google Patents

Abstract

The utility model provides a preheating mechanism for winding a transformer, which comprises a rotating shaft fixed with an output shaft of a driving device, wherein an annular end at the rear side of the rotating shaft is sleeved with an inner ring, the annular outer end of the inner ring is sleeved with an outer ring, the annular end of the rotating shaft is clamped with a heat insulation cylinder, the annular end of the heat insulation cylinder is sleeved with an outer cylinder, the outer cylinder is arranged at the left end of the outer ring, the annular inner wall of the outer cylinder is provided with a spiral heat conduction pipe, the spiral heat conduction pipe is positioned outside the heat insulation cylinder, the inlet end of the spiral heat conduction pipe is communicated with a fixed air inlet pipe, the air inlet pipe penetrates through the inner ring and is positioned at one side of the rotating shaft, the outlet end of the spiral heat conduction pipe is communicated with a fixed air outlet pipe, the air outlet pipe penetrates through the inner ring and is positioned at the other side of the rotating shaft, the design utilizes the heat insulation cylinder to isolate the rotating shaft from the outer cylinder and the spiral heat conduction pipe, avoids the phenomena of deformation and the like caused by the influence of the heat on the rotating shaft, and prolongs the service life of the rotating shaft, the safety is good.

Description

Preheating mechanism for winding of transformer

Technical Field

The utility model discloses a preheating mechanism for winding of a transformer, and belongs to the technical field of transformer processing.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and the like, and the kind has dry-type transformer, oil-immersed transformer and the like, when carrying out the wire winding operation in processing to dry-type transformer, needs to preheat the mould for the wire winding, and thin copper line can be softened to higher temperature, and the copper line initial stage of being convenient for is twined, is favorable to promoting the product yield.

Transformer wire winding sets up the cavity with preheating the mechanism often adopts mould and pivot hookup location among the prior art, and carry steam in to the cavity, thereby realize preheating the operation, but like this, steam can heat the countershaft, be unsettled state because of pivot one end, the pivot after the heating can take place phenomenons such as deformation under spare parts weight effects such as mould, influence the life of pivot, it is poor also to cause the wire winding quality, consequently need design a transformer wire winding and use preheating the mechanism and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a preheating mechanism for winding of a transformer, which is used for solving the problems that the heated rotating shaft in the background art is deformed under the action of the weight of parts such as a die and the like, the service life of the rotating shaft is influenced, and the winding quality is poor.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a preheating mechanism for winding of a transformer comprises a rotating shaft fixed with an output shaft of driving equipment, wherein an inner ring is sleeved at an annular end at the rear side of the rotating shaft and is rotatably connected with the inner ring through a bearing, an outer ring is sleeved at an annular outer end of the inner ring and is rotatably connected with the outer ring through a bearing, an insulating cylinder is clamped at the left end of the inner ring and is sleeved at the annular end of the rotating shaft, an outer cylinder for mounting a winding wheel piece is sleeved at the annular end of the outer ring, the outer cylinder is arranged at the left end of the outer ring, a spiral heat conduction pipe is arranged on the annular inner wall of the outer cylinder and is positioned outside the insulating cylinder, an air inlet pipe for conveying hot air is fixedly communicated with an inlet end of the spiral heat conduction pipe and is communicated with heating equipment, the inner ring of the air inlet pipe penetrates through and is positioned at one side of the rotating shaft, an outlet pipe for recovering waste heat is fixedly communicated with the outlet pipe and is communicated with the heating equipment, the air outlet pipe penetrates through the inner ring and is positioned on the other side of the rotating shaft.

Furthermore, the left end of the outer barrel is provided with a first limiting piece used for limiting the installation position of one side of the winding wheel piece in an attaching mode, and the first limiting piece is clamped at the annular end of the rotating shaft.

Further, the urceolus is a plurality of reference column that circular arrangement is towards first restriction spare one end equidistance fixed connection, the equidistance is seted up on the first restriction spare and is set up the reference column in a plurality of through-hole and the through-hole that circular arrangement.

Further, the outer screw thread is seted up to pivot left side annular end, the extruded article of one section threaded connection of outer screw thread is seted up to the pivot, and the extruded article setting is at first restriction piece left end.

Further, urceolus right part annular end fixed connection is used for restricting the second restriction piece of wire wheel spare opposite side installation position, the equidistance setting of second restriction piece left end is a plurality of fastener of circular arrangement, and the fastener runs through second restriction piece and outer loop and is connected with the locating part, and the locating part sets up at the outer loop right-hand member.

Furthermore, an annular groove is formed in the left end of the outer ring, and an annular groove is formed in the right end of the outer cylinder and extends into the annular groove.

Further, the right end of the outer barrel is bonded with a sealing element, and the sealing element is positioned inside the annular groove.

The utility model has the beneficial effects that: the utility model relates to a preheating mechanism for winding a transformer.

1. Utilize the intake pipe to carry steam in the spiral heat-conducting pipe, steam flows the in-process in spiral heat-conducting pipe, steam can carry out the heat exchange with the urceolus, realize preheating the operation, accomplish the back, utilize the outlet duct, can retrieve the waste heat and recycle, utilize thermal-insulated section of thick bamboo in addition, be used for keeping apart pivot and urceolus and spiral heat-conducting pipe, effectively protect carrying out the pivot, avoid the heat to cause the influence to the pivot and take place phenomenons such as deformation, promote pivot life, the wire winding is of high quality.

2. Fastening bolt and fastening nut cooperation are used, realize the fastening installation between urceolus and the outer loop, have the clearance between outer loop and the retainer ring this moment, utilize the clearance to make fastening bolt's screw rod portion one section appear exposing the section, when fastening bolt and fastening nut are because of phenomenon such as iron rust can't dismantle, can cut off the processing to fastening bolt's the section that exposes, are convenient for dismantle between urceolus and the outer loop.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a preheating mechanism for winding a transformer according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a heat insulation cylinder in a preheating mechanism for winding transformer according to the present invention;

FIG. 4 is a schematic diagram of a disk in a preheating mechanism for winding a transformer according to the present invention.

In the figure: 1-rotating shaft, 2-outer cylinder, 3-air outlet pipe, 4-air inlet pipe, 5-inner ring, 6-outer ring, 7-spiral heat conducting pipe, 8-heat insulating cylinder, 11-positioning column, 12-limiting sleeve, 13-disc, 14-through hole, 21-limiting ring, 22-fastening bolt, 23-fastening nut and 24-annular rubber pad.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a preheating mechanism for winding a transformer comprises a rotating shaft 1 fixed with an output shaft of a driving device, wherein an installation carrier is improved for an inner ring 5 and a heat insulation cylinder 8 through the rotating shaft 1, the heat insulation cylinder 8 and an outer cylinder 2 can also be driven to rotate through the rotating shaft 1, an inner ring 5 is sleeved at the annular end on the rear side of the rotating shaft 1 and is rotatably connected with the inner ring 5 through a bearing, an installation carrier is provided for an outer ring 6, an air inlet pipe 4 and an air outlet pipe 3 through the inner ring 5, the inner ring 5 cannot rotate due to the fact that the inner ring 5 is rotatably connected with the outer ring 6 and the rotating shaft 1 through the bearing respectively, the inner ring 5 and the air outlet pipe 3 are convenient to install, the annular outer end of the inner ring 5 is sleeved with the outer ring 6 and is rotatably connected with the outer ring 6 through the bearing, the installation carrier can be provided for the outer cylinder 2 through the outer ring 6, the annular end of the rotating shaft 1 is clamped with the heat insulation cylinder 8, the heat insulation cylinder 8 is positioned at the left end of the inner ring 5 and passes through the heat insulation cylinder 8, the winding wheel piece protecting device has the advantages that the rotating shaft 1 can be isolated from the outer barrel 2 to achieve a protection function, the outer barrel 2 used for installing a winding wheel piece is sleeved at the annular end of the heat insulation barrel 8, an installation carrier can be provided for the winding wheel piece needing winding through the outer barrel 2, the outer barrel 2 is arranged at the left end of the outer ring 6, the spiral heat conduction pipe 7 is arranged on the annular inner wall of the outer barrel 2, the spiral heat conduction pipe 7 is located on the outer side of the heat insulation barrel 8, hot air can flow in the heat insulation barrel through the spiral heat conduction pipe 7, the contact area of the hot air and the outer barrel 2 is increased, the preheating effect is improved, the inlet end of the spiral heat conduction pipe 7 is communicated with the air inlet pipe 4 used for conveying the hot air, the air inlet pipe 4 is communicated with the heating equipment, the hot air generated by the heating equipment can be conveyed into the spiral heat conduction pipe 7 through the air inlet pipe 4, the air inlet pipe 4 penetrates through the inner ring 5 and is located on one side of the rotating shaft 1, the outlet end of the spiral heat conduction pipe 7 is communicated with the air outlet pipe 3 used for fixedly communicated with the waste heat recovery equipment and communicated with the heating equipment, through outlet duct 3, can carry the gaseous heating equipment back of heat exchange in spiral heat pipe 7, can utilize remaining waste heat in the gas, effectively with the waste of resource, outlet duct 3 runs through inner ring 5 and is in pivot 1 opposite side.

Specifically, firstly, the winding wheel piece is installed on the outer cylinder 2, then the heating equipment is utilized to convey hot air into the air inlet pipe 4, the hot air is conveyed into the spiral heat conduction pipe 7 through the air inlet pipe 4, the hot air can exchange heat with the outer cylinder 2 in the flowing process of the hot air in the spiral heat conduction pipe 7, so that the outer cylinder 2 can be heated, the temperature of the winding wheel piece is raised, the preheating operation is realized, the hot air after heat exchange is conveyed to the air outlet pipe 3 and returned to the heating equipment, the waste heat can be recycled, after the preheating operation is finished, the driving equipment can be utilized to drive the rotating shaft 1 to rotate, and further the heat insulation cylinder 8, the outer cylinder 2 and the winding wheel piece are driven to rotate, the winding operation is realized, in the preheating operation process, the heat insulation cylinder 8 is utilized to isolate the rotating shaft 1 from the outer cylinder 2 and the spiral heat conduction pipe 7, effectively protect carrying out pivot 1, avoid the heat to cause the influence to pivot 1 and take place phenomenons such as deformation, promote pivot 1 life, wire winding is of high quality.

The laminating of 2 left ends of urceolus sets up the disc 13 that is used for restricting reel spare one side installation position, through disc 13, effectively prevents that the reel spare from taking place to slide, and disc 13 clamps at 1 annular end of pivot, specifically, after on urceolus 2 with reel spare suit, can be with disc 13 suit to pivot 1 on to make the laminating of 2 left ends of urceolus, thereby effectively prevent that 2 left parts of urceolus from sliding out, the security is high.

2 urceolus are a plurality of reference column 11 that is circular arrangement towards disc 13 one end equidistance fixed connection, reference column 11 uses with the cooperation of through-hole 14, realize location installation between urceolus 2 and disc 13, set up on disc 13 equidistance and be a plurality of through-hole 14 that circular arrangement and set up reference column 11 in through-hole 14, through-hole 14, can provide installation space for reference column 11, specifically, after laminating 2 left ends of urceolus with disc 13, can place reference column 11 on the 2 left ends of urceolus in the through-hole 14 on disc 13, realize location installation between urceolus 2 and disc 13, make installation stability between urceolus 2 and disc 13.

An external thread is arranged at the left annular end of a rotating shaft 1, an external thread is arranged on the rotating shaft 1, convenient disassembly and assembly between the rotating shaft 1 and a limiting sleeve 12 are realized, the rotating shaft 1 is provided with an external thread section which is in threaded connection with the limiting sleeve 12, the installation position of a disc 13 can be limited through the limiting sleeve 12, the limiting sleeve 12 is arranged at the left end of the disc 13, specifically, the limiting sleeve 12 can be rotated, the limiting sleeve 12 can be separated from the rotating shaft 1 due to the rotation of the limiting sleeve 12 because the limiting sleeve 12 is in threaded connection with the rotating shaft 1, so that the limitation between an outer cylinder 2 and the disc 13 is relieved, then the disc 13 is taken out of the rotating shaft 1, then a winding wheel piece can be installed at the outer end of the outer cylinder 2, then the disc 13 is sleeved on the rotating shaft 1 and attached to the outer cylinder 2, then the limiting sleeve 12 is in threaded connection with the outer end of the rotating shaft 1, the limiting sleeve 12 is utilized to limit the installation position of the disc 13, the convenient disassembly and assembly of the disc 13 are realized, and the disassembly and assembly of the winding wheel piece are facilitated.

The right annular end of the outer cylinder 2 is fixedly connected with a limiting ring 21 used for limiting the installation position of the other side of the winding wheel piece, the limiting ring 21 is arranged at the outer end of the outer cylinder 2, the position of the other side of the winding wheel piece installed on the outer cylinder 2 can be limited, the phenomenon of sliding can be effectively prevented, the limiting ring can also be matched with the outer ring 6 for use, a section of exposed section can be generated on the threaded rod part of the fastening bolt 22, the cutting treatment is convenient, a plurality of fastening bolts 22 which are circularly arranged are equidistantly arranged at the left end of the limiting ring 21, the fastening bolts 22 penetrate through the limiting ring 21 and the outer ring 6 and are in threaded connection with the fastening nuts 23, the fastening bolts 22 are matched with the fastening nuts 23 for use, the fastening installation between the outer cylinder 2 and the outer cylinder 2 is realized, the fastening nuts 23 are arranged at the right end of the outer ring 6, specifically, the fastening bolts 22 can penetrate through the limiting ring 21 and the outer ring 6 and are in threaded connection with the fastening nuts 23, and the fastening installation between the outer cylinder 2 and the outer ring 6 is realized, at this time, a gap is formed between the outer ring 6 and the limit ring 21, and a section of the threaded rod portion of the fastening bolt 22 is exposed by the gap, so that when the fastening bolt 22 and the fastening nut 23 cannot be detached due to rust or the like, the exposed section of the fastening bolt 22 can be cut off, and the outer cylinder 2 and the outer ring 6 can be detached conveniently.

Annular groove is seted up to 6 left ends of outer loop, through annular groove, realizes location installation between outer loop 6 and urceolus 2, and 2 right-hand members of urceolus set up annular groove and extend into annular groove in, specifically, can insert 2 one ends of urceolus into annular groove, realize location installation between urceolus 2 and the outer loop 6, convenient follow-up fastening installation.

The right end of the outer cylinder 2 is bonded with the annular rubber pad 24, the annular rubber pad 24 is located in the annular groove, and specifically, the outer cylinder 2 is connected with the outer ring 6 in a sealing mode through the annular rubber pad 24.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a transformer wire winding is with preheating machine constructs which characterized in that: comprises a rotating shaft (1) fixed with an output shaft of a driving device, wherein an annular end at the rear side of the rotating shaft (1) is sleeved with an inner ring (5) and is rotationally connected with the inner ring (5) through a bearing, an annular outer end of the inner ring (5) is sleeved with an outer ring (6) and is rotationally connected with the outer ring (6) through a bearing, the annular end of the rotating shaft (1) is clamped with a heat insulation cylinder (8) and the heat insulation cylinder (8) is positioned at the left end of the inner ring (5), the annular end of the heat insulation cylinder (8) is sleeved with an outer cylinder (2) used for installing a winding wheel piece, the outer cylinder (2) is arranged at the left end of the outer ring (6), the annular inner wall of the outer cylinder (2) is provided with a spiral heat conduction pipe (7) and the spiral heat conduction pipe (7) is positioned at the outer side of the heat insulation cylinder (8), an air inlet end of the spiral heat conduction pipe (7) is fixedly provided with an air inlet pipe (4) used for conveying hot air and communicated with the heating device, intake pipe (4) run through inner ring (5) and are in pivot (1) one side, the exit end intercommunication of spiral heat pipe (7) is fixed and is used for retrieving outlet duct (3) and the firing equipment intercommunication of waste heat, outlet duct (3) run through inner ring (5) and are in pivot (1) opposite side.

2. The preheating mechanism for winding wires of transformers according to claim 1, wherein: the left end of the outer barrel (2) is attached to a first limiting piece used for limiting the installation position of one side of the winding wheel piece, and the first limiting piece is clamped at the annular end of the rotating shaft (1).

3. The preheating mechanism for winding wires of transformers according to claim 2, wherein: urceolus (2) are a plurality of reference column (11) that circular arrangement towards first restriction piece one end equidistance fixed connection, equidistance is seted up on the first restriction piece and is set up reference column (11) in a plurality of through-hole (14) and through-hole (14) that circular arrangement.

4. The preheating mechanism for winding wires of transformers according to claim 2, wherein: the outer thread is seted up to pivot (1) left side annular end, one section threaded connection extruded article of outer thread has been seted up in pivot (1), and the extruded article setting is at first restriction piece left end.

5. The preheating mechanism for winding wires of transformers according to claim 1, wherein: urceolus (2) right part annular end fixed connection is used for restricting the second restriction piece of wire wheel spare opposite side installation position, the equidistance setting of second restriction piece left end is a plurality of fastener of circular arrangement, and the fastener runs through second restriction piece and outer ring (6) and is connected with the locating part, and the locating part setting is at outer ring (6) right-hand member.

6. The preheating mechanism for winding wires of transformers according to claim 1, wherein: the left end of the outer ring (6) is provided with an annular groove, and the right end of the outer barrel (2) is provided with an annular groove and extends into the annular groove.

7. The preheating mechanism for winding wires of transformers according to claim 1, wherein: the right end of the outer barrel (2) is bonded with a sealing element, and the sealing element is positioned in the annular groove.

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