Transformer bushing packaging structure

By designing a transformer bushing packaging structure that includes a base frame and multiple sets of fixing components, the problem of bushings easily shaking during transportation was solved, achieving a safe and stable transportation and fixing effect.

CN223703521UActive Publication Date: 2025-12-23NANJING ELECTRIC HIGH VOLTAGE BUSHING
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Patent Information

Application Number
CN202520266908.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-23
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

In the existing technology, the bushings of high-voltage oil-paper capacitor transformers are prone to shaking during transportation, which can lead to damage. Furthermore, traditional fixing methods are laborious and unsafe.

Method used

The packaging structure includes a base frame, a first fixing component, a second fixing component, a third fixing component, and a fourth fixing component. The sleeve is fixed by components such as card plates, card slots, and cable ties, and the axial displacement of the sleeve is limited by threaded rods and limiting plates to form a stable packaging frame.

Benefits of technology

It improves the safety and stability of sleeve transportation, prevents the sleeve from moving inside the packaging box, reduces the risk of damage, and simplifies the fixing process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223703521U_ABST
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Abstract

The utility model discloses a transformer bushing packaging structure which comprises a bottom frame, and a plurality of first fixing assemblies used for fixing upper porcelain bushings, a second fixing assembly used for fixing lower porcelain bushings and a third fixing assembly used for fixing the connecting positions of the upper porcelain bushings and flanges are arranged on the top of the bottom frame. And a fourth fixing assembly for embedding the flange plate to limit the axial displacement of the sleeve is also arranged on the bottom frame between the second fixing assembly and the third fixing assembly. The packaging structure can effectively improve the packaging and transporting safety of the casing pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a transformer bushing packaging structure and belongs to the bushing packaging technical field. BACKGROUND

[0002] The high-voltage grade oil-paper capacitor type transformer bushing is heavy, and a steel frame structure packaging box is usually used. Because the bushing is heavy, the fixing requirement for the bushing in the packaging box is higher. If a bolt is used to pass through the flange mounting hole for fixing, a crane needs to be used, the bushing is easy to shake, and it is not safe. It is also laborious to pass through the bolt hole. Moreover, the tightening belt is used to fix the bushing, and the tightening belt may be loose during transportation, and the bushing may move in the packaging box, thereby damaging the bushing. SUMMARY

[0003] The utility model discloses a transformer bushing packaging structure which is used for improving the safety of bushing packaging and transportation.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A transformer bushing packaging structure comprises a base frame, a plurality of first fixing assemblies for fixing an upper porcelain sleeve, a second fixing assembly for fixing a lower porcelain sleeve and a third fixing assembly for fixing a flange connection part of the upper porcelain sleeve are arranged on the top of the base frame, and a fourth fixing assembly for embedding a flange plate to limit the axial displacement of the bushing is further arranged on the base frame between the second fixing assembly and the third fixing assembly.

[0006] Preferably, the first fixing assembly and the second fixing assembly each comprise a first clamping plate, a second clamping plate and a binding belt, the first clamping plate is arranged on the base frame in the width direction of the base frame and is used for bearing the upper porcelain sleeve or the lower porcelain sleeve, and the second clamping plate is arranged in parallel with the first clamping plate and covers the upper porcelain sleeve or the lower porcelain sleeve.

[0007] Corresponding notches are formed in the mutually close sides of the first clamping plate and the second clamping plate, the upper porcelain sleeve or the lower porcelain sleeve is limited in the limiting ring formed by the notches of the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are fixed as a whole by the binding belt.

[0008] Preferably, a bamboo ridge is arranged in the notch of the first clamping plate and the second clamping plate and is attached to the wall of the notch.

[0009] Preferably, the third fixing assembly comprises a third clamping plate and a fourth clamping plate, the third clamping plate is arranged on the base frame in the width direction of the base frame and is used for bearing the flange connection part of the upper porcelain sleeve, and the fourth clamping plate is arranged in parallel with the third clamping plate and covers the flange connection part of the upper porcelain sleeve.

[0010] The third clamping plate and the fourth clamping plate are provided with corresponding notches on the sides close to each other, and the upper porcelain sleeve is limited in the limiting ring formed by the notches of the third clamping plate and the fourth clamping plate.

[0011] Two threaded rods are symmetrically arranged on the two sides of the third clamping plate, and the two threaded rods pass through the two ends of the fourth clamping plate and fasten the third clamping plate and the fourth clamping plate through nuts.

[0012] Preferably, the fourth fixing assembly comprises two limiting plates symmetrically arranged on the chassis, the two limiting plates are arranged in parallel along the width direction of the chassis, and a gap for embedding the bottom edge of the flange plate is formed between the two limiting plates.

[0013] Preferably, the chassis comprises a plurality of parallel beams and a plurality of bottom supports arranged in parallel at the bottom of the beams for supporting and connecting the beams.

[0014] A plurality of pairs of vertical supports are correspondingly arranged above the beams on the two sides, and several pairs of vertical supports are correspondingly arranged on the two sides of the first clamping plate of the first fixing assembly and the second fixing assembly.

[0015] A square top beam is arranged around the vertical support, and a side support in inverse T-shaped structure is arranged between the end of the beam and the top beam, the bottom ends of the side support are fixedly connected with the beam and the corresponding vertical support, and the top end of the side support is fixedly connected with the beam.

[0016] The top beam, the vertical support, the side support and the bottom support form a frame, and a fence is arranged outside the frame; a plurality of cover plates are arranged on the top of the frame, and the cover plates are fixed with the fence through buckles.

[0017] Preferably, a reinforcing rib is arranged between adjacent bottom supports and between adjacent vertical supports on the same beam.

[0018] Preferably, a buckle ring for fixing a cable tie is arranged on the inner side of the vertical support correspondingly arranged on the two sides of the first clamping plate of the first fixing assembly and the second fixing assembly.

[0019] Preferably, a clamping groove extending in the length direction is arranged on the top of the second clamping plate; a buckle is arranged on the inner side of the corresponding vertical support above the second clamping plate, and a concave-shaped pressing plate is buckled on the two buckles, the two ends of the pressing plate are embedded in the buckles, and the plate body is embedded in the clamping groove on the top of the second clamping plate.

[0020] The utility model discloses the beneficial effect lies in:

[0021] The packaging structure can guarantee the packaging strength, prevent the sleeve from moving in the packaging box and being damaged, reinforce the fixation of the sleeve in the packaging structure, better protect the sleeve and reduce the transportation risk. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the packaging structure;

[0023] Figure 2 is a structural schematic view of the fixed assembly;

[0024] Figure 3 is Figure 1 is an enlarged view of A in the middle;

[0025] Figure 4 is a structural schematic view of the structure after the sleeve is fixed.

[0026] The meanings of the main reference numerals in the drawings are as follows:

[0027] 1, first clamping plate, 2, second clamping plate, 3, tie, 4, bamboo bristle, 5, third clamping plate, 6, fourth clamping plate, 7, threaded rod, 8, limiting plate, 9, cross beam, 10, bottom support, 11, vertical support, 12, top beam, 13, side support, 14, fence, 15, cover plate, 16, reinforcing rib, 17, buckle, 18, clamping groove, 19, buckle, 20, pressing plate. DETAILED DESCRIPTION

[0028] The utility model will be specifically introduced below in combination with the drawings and examples.

[0029] The embodiment provides a transformer sleeve packaging structure, referring to Figures 1-4 As shown in the drawing, comprising the chassis, be provided with a plurality of groups first fixed assembly for fixing to the upper porcelain sleeve, the second fixed assembly for fixing to the lower porcelain sleeve and the third fixed assembly for fixing to the upper porcelain sleeve and flange connection place on the top of the chassis, still be provided with the fourth fixed assembly for the flange plate is embedded to limit the sleeve axial displacement on the chassis between the second fixed assembly and the third fixed assembly.

[0030] The first fixed assembly and the second fixed assembly both include first clamping plate 1, second clamping plate 2 and tie 3, first clamping plate 1 is set up on the chassis along the width direction of the chassis, is used to bear the upper porcelain sleeve or lower porcelain sleeve, second clamping plate 2 is parallelly set up with first clamping plate 1 and is covered and set on the upper porcelain sleeve or lower porcelain sleeve above;First clamping plate 1 and second clamping plate 2 are opened with corresponding notches on the side of each other, and the upper porcelain sleeve or lower porcelain sleeve is limited in the limiting ring formed by the notches of first clamping plate 1 and second clamping plate 2, and first clamping plate 1 and second clamping plate 2 are fixed as a whole by tie 3.

[0031] Bamboo bristle 4 is arranged in the notch of first clamping plate 1 and second clamping plate 2 and is attached to the notch wall.

[0032] The third fixing assembly comprises a third clamping plate 5 and a fourth clamping plate 6. The third clamping plate 5 is arranged on the chassis along the width direction of the chassis and used for bearing the connection between the upper porcelain sleeve and the flange. The fourth clamping plate 6 is arranged in parallel with the third clamping plate 5 and covers the connection between the upper porcelain sleeve and the flange.

[0033] The third clamping plate 5 and the fourth clamping plate 6 are also provided with corresponding notches on the sides close to each other. The connection between the upper porcelain sleeve and the flange is limited in the limiting ring formed by the notches of the third clamping plate 5 and the fourth clamping plate 6. Two threaded rods 7 are symmetrically arranged on the two sides of the third clamping plate 5 and pass through the two ends of the fourth clamping plate 6. The third clamping plate 5 and the fourth clamping plate 6 are fastened by nuts.

[0034] The fourth fixing assembly comprises two limiting plates 8 symmetrically arranged on the chassis. The two limiting plates 8 are arranged in parallel along the width direction of the chassis and form a gap between the two limiting plates 8 for the bottom edge of the flange plate to be embedded.

[0035] The chassis comprises a plurality of parallel arranged cross beams 9 and a plurality of bottom supports 10 arranged in parallel at the bottom of the cross beams 9 for supporting and connecting the cross beams 9. A plurality of pairs of vertical supports 11 are correspondingly arranged above the cross beams 9 on both sides, and several pairs of vertical supports 11 are correspondingly arranged on the two sides of the first clamping plate 1 of the first fixing assembly and the second fixing assembly. A square top beam 12 is arranged around the vertical supports 11. A reverse T-shaped side support 13 is arranged between the end of the cross beam 9 and the top beam 12 above. The bottom ends of the side support 13 are fixedly connected with the cross beam 9 and the corresponding vertical support 11. The top end of the side support 13 is fixedly connected with the cross beam 9. The top beam 12, the vertical support 11, the side support 13 and the bottom support 10 form a frame, and a fence 14 is arranged outside the frame. A plurality of cover plates 15 are arranged on the top of the frame, and the cover plates 15 are fixed with the fence 14 by means of buckles (also known as box buckles). The buckles or box buckles are used to realize the buckling of the plate body, which is the prior art and is not shown in the figure. Of course, the cover plates 15 and the fence 14 are not limited to be fixed by this method to achieve the purpose of packaging. The cover plates 15 and the cross beams 9 can also be fastened and connected by fasteners to achieve the purpose of packaging. At the same time, in order to improve the strength of the packaging structure, reinforcing ribs 16 are arranged between adjacent bottom supports 10 and between adjacent vertical supports 11 on the same cross beam 9.

[0036] In order to facilitate the tying of the cable tie 3, a buckle 17 for fixing the cable tie 3 is arranged on the inner side of the vertical support 11 correspondingly arranged on the two sides of the first clamping plate 1 of the first fixing assembly and the second fixing assembly. The buckle 17 is located above the first clamping plate 1. Due to the height support of the sleeve, the second clamping plate 2 will not hinder the buckle 17 after being clamped on the sleeve (according to the packaging method of the cable tie 3).

[0037] To prevent the second card plate 2 from shifting position, a slot 18 extending along the length direction is provided on the top of the second card plate 2; a buckle 19 is provided on the inner side of the corresponding vertical support 11 located above the second card plate 2, and an inverted U-shaped pressure plate 20 is fastened on the two corresponding buckles 19. The two ends of the pressure plate 20 are embedded in the buckles 19, and the plate body is embedded in the slot 18 at the top of the second card plate 2.

[0038] After the packaging frame is formed by fixing the crossbeam 9, bottom support 10, vertical support 11, top beam 12, side support 13 and enclosure 14, the first card plate 1, the third card plate 5 and the two limiting plates 8 are fixed to the preset positions inside the packaging frame. Then, the bamboo strip 4 is placed into the slot of the first card plate 1, and the sleeve is placed into the packaging frame so that the bottom edge of the flange is embedded in the two limiting plates 8. The upper porcelain sleeve and the lower porcelain sleeve fall into the corresponding slots of the first card plate 1, and the connection between the upper porcelain sleeve and the flange falls into the corresponding slot of the third card plate 5. Then, the bamboo strip 4 is placed in the fixed position of the upper porcelain sleeve and the lower porcelain sleeve, and the second card plate 2 is clipped onto the upper porcelain sleeve and the lower porcelain sleeve, and tied with cable ties 3. Then, the fourth card plate 6 is put onto the two screws and clipped onto the connection between the upper porcelain sleeve and the flange, and then tightened with nuts.

[0039] After securing the sleeve, the pressure plate 20 is fastened onto the second clamping plate 2, with both ends of the pressure plate 20 embedded in the buckles 19 and its body embedded in the slots 18 at the top of the second clamping plate 2. Then, the cover plate 15 is placed on top of the frame and secured to the enclosure 14 with fasteners to package the sleeve. Once secured, the cover plate 15 limits the pressure plate 20, preventing it from shifting upwards.

[0040] The above description is only a preferred embodiment of this utility model patent. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model patent, and these improvements and modifications should also be considered within the scope of protection of this utility model patent.

Claims

1. A transformer bushing packaging structure, characterized in that, The device includes a base frame, on the top of which are provided several sets of first fixing components for fixing the upper porcelain sleeve, second fixing components for fixing the lower porcelain sleeve, and third fixing components for fixing the connection between the upper porcelain sleeve and the flange. A fourth fixing component is also provided on the base frame between the second and third fixing components for embedding the flange to limit the axial displacement of the sleeve.

2. The transformer bushing packaging structure according to claim 1, characterized in that, Both the first fixing component and the second fixing component include a first clamping plate, a second clamping plate and a cable tie. The first clamping plate is disposed on the base frame along the width direction of the base frame and is used to support the upper or lower porcelain sleeve. The second clamping plate is disposed parallel to the first clamping plate and covers the upper or lower porcelain sleeve. The first and second card plates have corresponding slots on their adjacent sides, and the upper or lower porcelain sleeve restricts the first card plate and... Within the limiting ring formed by the slot of the second card plate, the first card plate and the second card plate are fixed together as one unit by cable ties.

3. The transformer bushing packaging structure according to claim 2, characterized in that, Bamboo strips that fit against the groove walls are installed in the grooves of both the first and second card plates.

4. The transformer bushing packaging structure according to claim 1, characterized in that, The third fixing component includes a third clamping plate and a fourth clamping plate. The third clamping plate is set on the base frame along the width direction of the base frame and is used to support the connection between the upper porcelain sleeve and the flange. The fourth clamping plate is set parallel to the third clamping plate and covers the connection between the upper porcelain sleeve and the flange. The third and fourth plates are also provided with corresponding slots on their adjacent sides. The connection between the upper ceramic sleeve and the flange is restricted within the limiting ring formed by the slots of the third and fourth plates. Two threaded rods are symmetrically arranged on both sides of the third plate, and the two threaded rods pass through both ends of the fourth plate, and the third plate and the fourth plate are fastened by nuts.

5. The transformer bushing packaging structure according to claim 1, characterized in that, The fourth fixing component includes two limiting plates symmetrically arranged on the base frame. The two limiting plates are arranged parallel to each other along the width direction of the base frame, and a gap is formed between the two limiting plates for the bottom edge of the flange to be inserted.

6. The transformer bushing packaging structure according to claim 2, characterized in that, The base frame includes several parallel crossbeams and several bottom supports arranged in parallel at the bottom of the crossbeams to support and connect the crossbeams; Several pairs of vertical supports are provided above the crossbeams on both sides, and several pairs of vertical supports are provided on both sides of the first card plate of the first fixing component and the second fixing component. A square top beam is arranged around the vertical support, and an inverted T-shaped side support is arranged between the end of the horizontal beam and the top beam above. The bottom two ends of the side support are fixedly connected to the horizontal beam and the corresponding vertical support, and the top of the side support is fixedly connected to the horizontal beam. The top beam, vertical support, side support and bottom support form a frame, and a fence is installed on the outside of the frame; multiple cover plates are installed on the top of the frame, and the cover plates are fixed to the fence by fasteners.

7. The transformer bushing packaging structure according to claim 6, characterized in that, Reinforcing ribs are inclinedly installed between adjacent bottom supports and between adjacent vertical supports on the same crossbeam.

8. The transformer bushing packaging structure according to claim 6, characterized in that, Buckles for securing cable ties are provided on the inner sides of the vertical supports on both sides of the first card plate of the first fixing component and the second fixing component.

9. The transformer bushing packaging structure according to claim 6, characterized in that, A slot extending along the length direction is provided on the top of the second card plate; a buckle is provided on the inner side of the corresponding vertical support located above the second card plate, and an inverted U-shaped pressure plate is fastened on the two corresponding buckles. The two ends of the pressure plate are embedded in the buckle, and the plate body is embedded in the slot at the top of the second card plate.