CN212725010U

CN212725010U - Winding bracket for transformer winding

Info

Publication number: CN212725010U
Application number: CN202021636771.7U
Authority: CN
Inventors: 饶兴宁; 杨小红; 张正康
Original assignee: SICHUAN SPECIAL TRANSFORMER FA
Current assignee: SICHUAN SPECIAL TRANSFORMER FA
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-16
Anticipated expiration: 2030-08-07

Abstract

The utility model belongs to the technical field of transformer manufacturing devices, and discloses a winding bracket of a transformer winding, which comprises a rotating shaft, a sliding sleeve, a nut, a plurality of stays, a forward parallelogram link mechanism and a reverse link rod, wherein the number of the stays is equal to that of the stays; the plurality of supporting strips are uniformly distributed along the circumferential direction of the rotating shaft, and each supporting strip is connected with the rotating shaft through a positive parallelogram connecting rod mechanism; an external thread section axially extends from one end of the rotating shaft; the sliding sleeve is slidably sleeved outside the external thread section; the nut is positioned at one end of the sliding sleeve, which is far away from the positive parallelogram linkage mechanism, and is in threaded fit with the external thread section; two ends of the reverse connecting rod are respectively hinged with the sliding sleeve and the stay. The utility model discloses a swivel nut drive sliding sleeve axial displacement to promote the radial movement of stay along the pivot through reverse connecting rod and forward parallelogram link mechanism, and then the glass steel section of thick bamboo of adaptable different diameter specifications.

Description

Winding bracket for transformer winding

Technical Field

The utility model belongs to the technical field of the transformer is made, concretely relates to transformer winding wire winding support.

Background

In the manufacturing process of the transformer, the wire needs to be wound on the glass fiber reinforced plastic cylinder, and in the prior art, the winding is completed by adopting a winding bracket to be matched with a winding machine. Two ends of the winding support are arranged between two apexes of the winding machine, and the winding machine drives the winding support to rotate through the apexes, so that winding work is completed. However, the winding bracket in the prior art can only complete the winding operation of a glass fiber reinforced plastic cylinder with one diameter specification, and the universality is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a winding bracket for a transformer winding.

The utility model discloses the technical scheme who adopts does:

a winding bracket of a transformer winding comprises a rotating shaft, a sliding sleeve, a nut, a plurality of supporting strips, a forward parallelogram connecting rod mechanism and a reverse connecting rod, wherein the number of the forward parallelogram connecting rod mechanism and the number of the reverse connecting rod mechanism are equal to that of the supporting strips; the plurality of supporting strips are uniformly distributed along the circumferential direction of the rotating shaft, and each supporting strip is connected with the rotating shaft through a positive parallelogram connecting rod mechanism; an external thread section axially extends from one end of the rotating shaft; the sliding sleeve is slidably sleeved outside the external thread section; the nut is positioned at one end of the sliding sleeve, which is far away from the positive parallelogram linkage mechanism, and is in threaded fit with the external thread section; two ends of the reverse connecting rod are respectively hinged with the sliding sleeve and the stay.

As a further alternative of the winding bracket for the transformer winding, the forward parallelogram linkage mechanism comprises two hinged seats and two groups of forward connecting rods which are in one-to-one correspondence with the two hinged seats; one end of each group of forward connecting rods is hinged with the hinge seat, and the other end of each group of forward connecting rods is hinged with the stay; two articulated seats are all fixed in the pivot.

As a further alternative of the transformer winding wire winding bracket, each hinge seat comprises two disc bodies which are oppositely arranged and detachably connected; the outer circular surface of each disk body is respectively provided with a first matching groove matched with the forward connecting rod, and the opposite surfaces of the two disk bodies are respectively provided with a first concentric and equally-large annular groove; the first annular groove is concentric with the rotating shaft; the two annular grooves I form an annular space I; an annular articulated shaft I is arranged in the annular space I; one end of the positive connecting rod, which is far away from the stay, is in rotating fit with one end of the annular articulated shaft.

As a further alternative of the winding wire bracket for the transformer, the sliding sleeve comprises two sleeve bodies which are oppositely arranged and detachably connected; the outer circular surface of each sleeve body is respectively provided with a matching groove II matched with the reverse connecting rod, and the opposite surfaces of the two sleeve bodies are respectively provided with a concentric and equal-size annular groove II; the second annular groove is concentric with the rotating shaft; the two annular grooves form an annular space II; an annular articulated shaft II is arranged in the annular space II; one end of the reverse connecting rod, which is far away from the stay, is in running fit with the second annular hinge shaft.

As a further alternative of the winding support for the transformer winding, one end of the nut, which is far away from the sliding sleeve, is provided with at least one jack.

As a further alternative of the transformer winding and winding bracket, the stay is hollow and both ends of the stay in the length direction are open.

The utility model has the advantages that:

the utility model discloses a swivel nut drive sliding sleeve axial displacement to promote the radial movement of stay along the pivot through reverse connecting rod and forward parallelogram link mechanism, and then the glass steel section of thick bamboo of adaptable different diameter specifications.

Drawings

Fig. 1 is a schematic structural diagram of a winding support of a transformer winding according to the present invention.

Fig. 2 is an exploded view of the winding cradle of the transformer shown in fig. 1.

Fig. 3 is a schematic diagram of an exploded structure of the sliding sleeve in the winding wire support of the transformer shown in fig. 1.

Fig. 4 is an exploded view of the hinged housing of the winding cradle of the transformer shown in fig. 1.

In the figure: 1-a rotating shaft; 11-external thread section; 2-a sliding sleeve; 21-a sleeve body; 211-fitting groove two; 212-ring groove two; 22-an annular articulated shaft II; 3-a nut; 31-a jack; 4-a stay; 5-a forward parallelogram linkage; 51-a hinged seat; 511-a tray body; 5111-mating groove one; 5112-ring groove one; 52-forward link; 512-ring shape jointed shaft one; 5121-a notch; 6-reverse link.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work.

The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.

Furthermore, the technical features described herein, or the steps of all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments, in addition to the mutually exclusive features and/or steps. It will be readily appreciated by those of skill in the art that the order of the steps or operations of the methods associated with the embodiments provided herein may be varied. Any order in the drawings and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated to be required.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections (and couplings) where appropriate and where not necessary contradictory.

As shown in fig. 1 to 4, the winding frame of the transformer winding of the present embodiment includes a rotating shaft 1, a sliding sleeve 2, a nut 3, a plurality of stays 4, and a forward parallelogram linkage 5 and a reverse linkage 6, both of which are equal in number to the stays 4; a plurality of supporting strips 4 are uniformly distributed along the circumferential direction of the rotating shaft 1, and each supporting strip 4 is connected with the rotating shaft 1 through a positive parallelogram link mechanism 5; an external thread section 11 axially extends from one end of the rotating shaft 1; the sliding sleeve 2 is slidably sleeved outside the external thread section 11; the nut 3 is positioned at one end of the sliding sleeve 2 far away from the positive parallelogram linkage 5, and the nut 3 is in threaded fit with the external thread section 11; two ends of the reverse connecting rod 6 are respectively hinged with the sliding sleeve 2 and the stay 4.

The "forward direction" and the reverse direction refer to the opposite direction of the inclination of the forward parallelogram linkage 5 and the reverse link 6.

The axial extension is in the axial direction of the shaft 1. The external thread section 11 can be integrally formed with the rotating shaft 1, and the external thread section 11 can also be a screw fixedly connected with the rotating shaft 1.

The nut 3 is rotated to drive the sliding sleeve 2 to move towards the forward parallelogram link mechanism 5, and then the plurality of supporting strips 4 are driven to move along the radial direction of the rotating shaft 1 through the reverse connecting rod 6, so that the purpose of adapting to glass fiber reinforced plastic cylinders with different diameters is achieved.

The forward parallelogram link mechanism 5 in this embodiment may include two hinge seats 51 and two sets of forward links 52 corresponding to the two hinge seats 51 one by one; one end of each group of positive connecting rods 52 is hinged with the hinge seat 51, and the other end is hinged with the stay 4; both hinge bases 51 are fixed to the shaft 1. The forward connecting rod 52 is respectively and directly hinged with the stay 4 and the rotating shaft 1, so that the stay 4 and the rotating shaft 1 respectively form two parallel sides of a parallelogram, the number of parts can be reduced, and the weight of the winding bracket of the transformer winding is reduced.

Each of the hinge seats 51 in this embodiment may include two disc bodies 511 that are oppositely disposed and detachably connected; the outer circular surface of each tray body 511 is respectively provided with a first matching groove 5111 matched with the forward connecting rod 52, and the opposite surfaces of the two tray bodies 511 are respectively provided with a concentric and equal-size first annular groove 5112; the first annular groove 5112 is concentric with the rotating shaft 1; the two annular grooves I5112 form an annular space I; an annular hinge shaft I512 is arranged in the annular space I; the end of the positive link 52 remote from the stay 4 is rotatably engaged with the annular hinge shaft one 512.

Among the prior art, when articulated other parts on the dish type part, all at the outer disc integrated into one piece lug of dish type part, the hinge hole is seted up to the lug, realizes other parts and the articulated of dish type part through current linear articulated shaft, and axial stop devices such as boss, buckle are all connected to the both ends of articulated shaft, lead to that the articulated other parts of dish type part are less, when needing articulated more other parts, then need increase the diameter of dish type part. In this embodiment, a plurality of forward connecting rods 52 are hinged on the hinge seat 51 through a first annular hinge shaft 512, and under the condition of the disk body 511 with the same diameter, the embodiment can hinge more parts, and further more supporting strips 4 can be arranged, so that the stress balance of the glass fiber reinforced plastic cylinder is ensured, and the glass fiber reinforced plastic cylinder is prevented from being deformed due to uneven stress. During assembly, the forward connecting rod 52 is sleeved outside the annular first hinge shaft 512 through the notch 5121 of the annular first hinge shaft 512, then the annular first hinge shaft 512 and the plurality of forward connecting rods 52 are clamped in the annular first ring 5112 of one disc body 511, and finally the annular first ring 5112 of the other disc body 511 is clamped outside the annular first hinge shaft 512. The first matching groove 5111 is formed to avoid the rotation of the forward connecting rod 52; on the other hand, the forward link 52 is positioned in a position in the circumferential direction of the disc 511.

The sliding sleeve 2 in this embodiment may include two sleeve bodies 21 that are oppositely disposed and detachably connected; the outer circular surface of each sleeve body 21 is respectively provided with a second matching groove 211 matched with the reverse connecting rod 6, and the opposite surfaces of the two sleeve bodies 21 are respectively provided with a second concentric and equally-large annular groove 212; the second annular groove 212 is concentric with the rotating shaft 1; the two annular grooves II 212 form an annular space II; an annular articulated shaft II 22 is arranged in the annular space II; the end of the reversing link 6 remote from the stay 4 is in running engagement with the second annular hinge 22. Therefore, under the same diameter, the sliding sleeve 2 can be provided with more reverse connecting rods 6, and further more supporting strips 4, so that the stress balance of the glass fiber reinforced plastic cylinder is ensured.

At least one jack 31 has been seted up to the one end that deviates from sliding sleeve 2 of nut 3 in this embodiment to can insert jack 31 with handle etc. and then conveniently rotate nut 3.

The stay 4 in this embodiment is hollow, and both ends of the stay 4 along the length direction thereof are open, so that the weight of the winding bracket of the transformer can be reduced. Compared with the solid stay 4, the hollow stay 4 has better torsion resistance and bending resistance, and the deformation of the stay 4 can be reduced.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a transformer winding wire winding support which characterized in that: the device comprises a rotating shaft, a sliding sleeve, a nut, a plurality of stays, a forward parallelogram link mechanism and a reverse link, wherein the number of the stays is equal to that of the stays; the plurality of supporting strips are uniformly distributed along the circumferential direction of the rotating shaft, and each supporting strip is connected with the rotating shaft through a positive parallelogram connecting rod mechanism; an external thread section axially extends from one end of the rotating shaft; the sliding sleeve is slidably sleeved outside the external thread section; the nut is positioned at one end of the sliding sleeve, which is far away from the positive parallelogram linkage mechanism, and is in threaded fit with the external thread section; two ends of the reverse connecting rod are respectively hinged with the sliding sleeve and the stay.

2. The transformer winding wire support of claim 1, wherein: the positive parallelogram link mechanism comprises two hinged seats and two groups of positive links which correspond to the two hinged seats one by one; one end of each group of forward connecting rods is hinged with the hinge seat, and the other end of each group of forward connecting rods is hinged with the stay; two articulated seats are all fixed in the pivot.

3. The transformer winding wire support of claim 2, wherein: each hinged seat comprises two disc bodies which are oppositely arranged and detachably connected; the outer circular surface of each disk body is respectively provided with a first matching groove matched with the forward connecting rod, and the opposite surfaces of the two disk bodies are respectively provided with a first concentric and equally-large annular groove; the first annular groove is concentric with the rotating shaft; the two annular grooves I form an annular space I; an annular articulated shaft I is arranged in the annular space I; one end of the positive connecting rod, which is far away from the stay, is in rotating fit with one end of the annular articulated shaft.

4. The transformer winding wire support of claim 3, wherein: the sliding sleeve comprises two sleeve bodies which are oppositely arranged and detachably connected; the outer circular surface of each sleeve body is respectively provided with a matching groove II matched with the reverse connecting rod, and the opposite surfaces of the two sleeve bodies are respectively provided with a concentric and equal-size annular groove II; the second annular groove is concentric with the rotating shaft; the two annular grooves form an annular space II; an annular articulated shaft II is arranged in the annular space II; one end of the reverse connecting rod, which is far away from the stay, is in running fit with the second annular hinge shaft.

5. The transformer winding wire support of claim 1, wherein: at least one jack is arranged at one end of the nut, which is far away from the sliding sleeve.

6. The transformer winding wire support of claim 1, wherein: the stay is hollow, and both ends of the stay along the length direction are open.