CN214603870U - Transformer bushing maintenance guide rod fixing device - Google Patents

Transformer bushing maintenance guide rod fixing device Download PDF

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Publication number
CN214603870U
CN214603870U CN202023014963.7U CN202023014963U CN214603870U CN 214603870 U CN214603870 U CN 214603870U CN 202023014963 U CN202023014963 U CN 202023014963U CN 214603870 U CN214603870 U CN 214603870U
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China
Prior art keywords
clamp
connecting plate
nut
fixing device
turnbuckle
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Active
Application number
CN202023014963.7U
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Chinese (zh)
Inventor
周泽民
彭彦军
潘宁波
何启科
陈健禧
唐红中
任秀玉
赵小林
黄乾修
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Guilin Power Supply Bureau of Guangxi Power Grid Co Ltd
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Guilin Power Supply Bureau of Guangxi Power Grid Co Ltd
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Priority to CN202023014963.7U priority Critical patent/CN214603870U/en
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Abstract

The utility model provides a fixing device for a transformer bushing maintenance guide rod, which comprises a clamp, a connecting plate, a turnbuckle nut and a support rod; the turnbuckle nut is provided with holes at two ends, one end is connected with the supporting rod in a screwing mode, the other end is connected with the connecting plate to form a supporting leg, and the connecting plate at the top end of the supporting leg is fixed with the clamp through the holes of the clamp. The utility model discloses a carry out the construction of disintegrating from sleeve pipe upper portion, need not wholly demolish the sleeve pipe, reduce the oil release volume, improve transformer insulation level, avoid the technical risk that the evacuation brought, provide economic benefits simultaneously, replace large-scale multiplexer utensil such as crane, vacuum unit, save a large amount of expenses when increasing construction safety nature, provide the reference for indoor substation handles heavy current sleeve pipe trouble.

Description

Transformer bushing maintenance guide rod fixing device
Technical Field
The utility model relates to a relay protection overhauls multiplexer utensil field, especially a transformer bushing maintenance guide arm fixing device.
Background
In the maintenance process of the transformer, the defect parts of the equipment are counted, and the statistical result shows that the proportion of the sleeve is the maximum and can reach 30% of all the equipment defects. The reason is that the current passing through the high-current guide rod type bushing is large, and under the action of the electric force, the lead wire in the transformer and the external low bus can generate large acting force on the bushing, so that the bushing is easy to generate defects. Meanwhile, because the temperature born by the sleeve is high, the sealing rubber ring in the sleeve is easy to age, and the oil leakage phenomenon can occur after long-time operation.
Due to the consideration of the safety of the transformer substation and the stability of power supply of users, workers need to timely overhaul the defects of the equipment. As the conducting rod in the 10kV sleeve of the large transformer is thicker, the diameter is usually 24 mm, 30 mm, 40 mm and 45mm, after the sleeve is disassembled in maintenance, the conducting rod cannot be fixed, the weight of the conducting rod is completely pressed on the connecting piece, and the conducting rod must be lifted upwards with strong force, so that danger and loss are avoided. At present, a lifting tool specially developed for casing pipe maintenance is not provided, so that a worker faces huge challenges in maintenance.
SUMMERY OF THE UTILITY MODEL
To the characteristics of guide bar formula sheathed tube, facilitate for the sleeve pipe maintenance, the utility model provides a simple and easy screw-fall prevention insulating tool, including anchor clamps, connecting plate, turnbuckle nut and bracing piece. The utility model discloses emphasize the innovation in technology, can follow sleeve pipe upper portion and carry out the construction of disintegrating, need not wholly to demolish the sleeve pipe during the operation, handle heavy current sleeve pipe trouble for indoor substation and provide the reference, solved the maintenance difficulty that professional instrument lacks and leads to in the present stage, work efficiency is low, economic overhead big scheduling problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fixing device for a guide rod for maintaining a transformer bushing comprises a clamp, a connecting plate, a turnbuckle nut and a support rod; the turnbuckle nut is provided with holes at two ends, one end is connected with the supporting rod in a screwing mode, the other end is connected with the connecting plate to form a supporting leg, and the connecting plate at the top end of the supporting leg is fixed with the clamp through the holes of the clamp.
The clamp is a circular clamp formed by combining two semicircular clamps, and a butterfly nut and a locking bolt are respectively arranged on two sides of the circular clamp;
the middle of the clamp is provided with a round opening for fixing the conducting rod, and the semicircular parts are respectively provided with four small holes for splicing with the connecting plate;
the butterfly nut is a nut in a butterfly shape and used for fixing the locking bolt;
the locking bolt penetrates through the openings at the two ends of the clamp and is screwed to enable the two semicircular clamps to be spliced into a complete circular clamp.
The flat plate part of the connecting plate is tightly attached to the bottom surface of the clamp, the threads of the connecting plate are processed into positive threads, and screws of the connecting plate are connected with the turnbuckle nuts through screwing.
The upper part and the lower part of the turnbuckle nut are respectively provided with a hole which is respectively processed into a positive thread and a negative thread, and the turnbuckle nut is connected with the connecting plate and the supporting leg through screws and is used for adjusting the height of the fixing device, shortening the fixing device when the nut is positively screwed and extending the fixing device when the nut is reversely screwed.
The top of the support rod is provided with a screw, the screw is processed into a positive thread, the positive thread can be screwed and connected with a turnbuckle nut, the middle part of the support rod is a vertical long rod with a fixed length, and a square base plate at the bottom of the support rod is padded on the surface of a transformer oil tank, so that the stability is provided for the whole support rod.
The utility model has the advantages that:
1. the utility model discloses can follow sleeve pipe upper portion and carry out the construction of disintegrating, need not wholly to demolish the sleeve pipe during the operation, can reduce the oil release volume, improve transformer insulation level, avoid the technical risk that the evacuation brought.
2. The utility model discloses can replace large-scale multiplexer utensil such as crane, vacuum unit, save the expense, improve economic benefits.
3. The utility model discloses assemble simply, easily go up the hand, improve the maintenance efficiency to a very big degree.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is the structure diagram of the fixing device for the transformer bushing maintenance guide rod of the present invention.
Fig. 2 is a schematic structural view of the clamp of the present invention.
Fig. 3 is a schematic structural diagram of the connection plate of the present invention.
Fig. 4 is a schematic structural view of the turnbuckle nut of the present invention.
Fig. 5 is a schematic structural view of the support rod of the present invention.
Fig. 6 is the utility model discloses a transformer bushing maintenance guide arm fixing device's overall structure schematic diagram.
Reference numerals:
1 clamp, 2 connecting plates, 3 turnbuckle nuts and 4 supporting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic structural diagram illustrating a fixture for a bushing maintenance guide rod of a transformer according to an embodiment of the present invention, and the fixture for the bushing maintenance guide rod of the transformer includes a fixture 1, a connecting plate 2, a turnbuckle 3, and a support rod 4; the turnbuckle nut 3 is provided with holes at two ends, one end is screwed and connected with the support rod 4, the other end is connected with the connecting plate 2 to form a support leg, the connecting plate at the top end of the support leg is fixed with the clamp through the holes of the clamp, and one clamp 1 is arranged on one pair, so that at most four support legs can be fixed.
Fig. 2 is a schematic structural view of the clamp of the present invention, the clamp is a circular clamp formed by two semicircular clamps, and a butterfly nut and a locking bolt are respectively arranged on two sides of the circular clamp;
the clamp is provided with a round hole in the middle for fixing the conducting rod, and the semicircular parts are respectively provided with four small holes for splicing with the connecting plate.
The butterfly nut is a nut in a butterfly shape and used for fixing a locking bolt;
the locking bolt passes through the openings at the two ends of the clamp and is screwed to enable the two semicircular clamps to be spliced into a complete circular clamp;
FIG. 3 is a schematic structural view of the connection plate of the present invention, the flat plate portion of the connection plate is tightly attached to the bottom surface of the fixture, the threads of the connection plate are machined into positive threads, and the screws of the connection plate are connected with the turnbuckle nuts by screwing;
fig. 4 is the structure diagram of the turnbuckle nut of the utility model, which is provided with a hole from top to bottom, and is respectively processed into a positive thread and a negative thread, and is connected with the screw of the connecting plate and the supporting leg, so as to adjust the height of the fixing device, shorten the fixing device during the positive rotation of the nut, and extend the fixing device during the negative rotation of the nut.
Fig. 5 is a schematic structural diagram of the supporting rod of the present invention, the supporting rod has a screw at the top, the screw is processed into a positive thread, which can be screwed to connect with a turnbuckle nut, the middle part is a vertical long rod with a fixed length, and the bottom square pad is padded on the surface of the transformer oil tank to provide stability for the whole.
The utility model has the advantages that:
1. the utility model discloses can follow sleeve pipe upper portion and carry out the construction of disintegrating, need not wholly to demolish the sleeve pipe during the operation, can reduce the oil release volume, improve transformer insulation level, avoid the technical risk that the evacuation brought.
2. The utility model discloses can replace large-scale multiplexer utensil such as crane, vacuum unit, save the expense, improve economic benefits.
3. The utility model discloses assemble simply, easily go up the hand, improve the maintenance efficiency to a very big degree.
Example two:
fig. 1 is a schematic structural diagram illustrating a fixture for a bushing maintenance guide rod of a transformer according to an embodiment of the present invention, the fixture for a bushing maintenance guide rod of a transformer includes 1 a fixture, 2 a connecting plate, 3 a turnbuckle nut, 4 a supporting rod, two ends of the turnbuckle nut are provided with holes, one end of the supporting rod is screwed with the supporting rod, the other end of the supporting rod is connected with the connecting plate to form a supporting leg, the connecting plate at the top end of the supporting leg is fixed with the fixture through the holes of the fixture, and a pair of two fixtures can fix at most four supporting legs, as shown in fig. 6;
the clamp 1 is a circular clamp formed by combining two semicircular clamps, and a butterfly nut and a locking bolt are respectively arranged on two sides of the circular clamp as shown in figure 2;
the clamp 1 is provided with a circular opening in the middle for fixing the conducting rod, and the semicircular parts are respectively provided with four small holes for splicing with the connecting plates 2;
the butterfly nut is a nut in a butterfly shape and used for fixing a locking bolt, and is shown in figure 2;
the locking bolt penetrates through the openings at the two ends of the clamp, and the two semicircular clamps are spliced into a complete circular clamp by screwing, as shown in figure 2;
the flat plate part of the connecting plate 2 is tightly attached to the bottom surface of the clamp 1, the threads of the connecting plate 2 are processed into positive threads, and the screws of the connecting plate 2 are connected with the turnbuckle 3 through screwing;
the upper part and the lower part of the 3 turnbuckle nuts are respectively provided with a hole which is respectively processed into a positive thread and a negative thread, and the 3 turnbuckle nuts are connected with the connecting plate 2 and the screws of the 4 supporting legs and used for adjusting the height of the fixing device, the fixing device is shortened when the nuts are positively screwed, and the fixing device is extended when the nuts are reversely screwed;
the top of the 4 supporting rods is provided with screws, the screws are machined into positive threads, the positive threads can be screwed to be connected with the 3 turnbuckle nuts, the middle part of the supporting rods is a vertical long rod with a fixed length, and the square base plate at the bottom of the supporting rods is arranged on the surface of the transformer oil tank in a cushioning mode, so that stability is provided for the whole supporting rods.
To the characteristics of guide bar formula sheathed tube, facilitate for the sleeve pipe maintenance, the utility model provides a simple and easy screw-fall prevention insulating tool, including anchor clamps, connecting plate, turnbuckle nut and bracing piece. The utility model discloses emphasize the innovation in technology, can follow sleeve pipe upper portion and carry out the construction of disintegrating, need not wholly to demolish the sleeve pipe during the operation, handle heavy current sleeve pipe trouble for indoor substation and provide the reference, solved the maintenance difficulty that professional instrument lacks and leads to in the present stage, work efficiency is low, economic overhead big scheduling problem.
The transformer bushing maintenance guide rod fixing device of the embodiment is used as follows:
method of use 1
S1: removing the wiring terminal of the outgoing line conducting rod at the low-voltage side of the transformer, clamping the conducting rod by using a clamp, loading the conducting rod into a support rod, and adjusting a turnbuckle nut to enable the support rod to tightly support the clamp;
s2: the position of the sleeve sealing piece, the exhaust hood and the porcelain bushing can be adjusted by loosening the porcelain bushing nut pressed on the conducting rod.
Application method 2
S1: removing a bushing at the low-voltage side of the transformer, clamping the conducting rod by using a clamp, loading the supporting rod, and adjusting a turnbuckle nut to enable the supporting rod to tightly push the clamp so that the conducting rod does not press a winding outgoing line connecting sheet;
s2: removing the clamp, reinstalling the sleeve, and installing the sealing gasket, the porcelain bushing, the exhaust hood, the abacus bead, the porcelain cover and the compression nut;
s3: clamping the conducting rod by using a clamp, loading the conducting rod into a support rod, adjusting a turnbuckle nut to enable the support rod to prop against the clamp, adjusting the position of a porcelain sleeve, checking the placement of a sealing element, arranging an exhaust hood, screwing a compression nut, dismantling the clamp and installing a wiring terminal.
The embodiments of the present invention have been described in detail, and the principle and the implementation of the present invention are explained herein by using specific embodiments, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (5)

1. The utility model provides a transformer bushing maintenance guide arm fixing device which characterized in that: comprises a clamp, a connecting plate, a turnbuckle nut and a supporting rod; the turnbuckle nut is provided with holes at two ends, one end is connected with the supporting rod in a screwing mode, the other end is connected with the connecting plate to form a supporting leg, and the connecting plate at the top end of the supporting leg is fixed with the clamp through the holes of the clamp.
2. The transformer bushing repair guide bar fixture of claim 1, wherein: the clamp is a circular clamp formed by combining two semicircular clamps, and a butterfly nut and a locking bolt are respectively arranged on two sides of the circular clamp;
the middle of the clamp is provided with a round opening for fixing the conducting rod, and the semicircular parts are respectively provided with four small holes for splicing with the connecting plate;
the butterfly nut is a nut in a butterfly shape and used for fixing the locking bolt;
the locking bolt penetrates through the openings at the two ends of the clamp and is screwed to enable the two semicircular clamps to be spliced into a complete circular clamp.
3. The transformer bushing repair guide bar fixture of claim 1, wherein: the flat plate part of the connecting plate is tightly attached to the bottom surface of the clamp, the threads of the connecting plate are processed into positive threads, and screws of the connecting plate are connected with the turnbuckle nuts through screwing.
4. The transformer bushing repair guide bar fixture of claim 1, wherein: the upper part and the lower part of the turnbuckle nut are respectively provided with a hole which is respectively processed into a positive thread and a negative thread, and the turnbuckle nut is connected with the connecting plate and the supporting leg through screws and is used for adjusting the height of the fixing device, shortening the fixing device when the nut is positively screwed and extending the fixing device when the nut is reversely screwed.
5. The transformer bushing repair guide bar fixture of claim 1, wherein: the top of the support rod is provided with a screw, the screw is processed into a positive thread, the positive thread can be screwed and connected with a turnbuckle nut, the middle part of the support rod is a vertical long rod with a fixed length, and a square base plate at the bottom of the support rod is padded on the surface of a transformer oil tank, so that the stability is provided for the whole support rod.
CN202023014963.7U 2020-12-15 2020-12-15 Transformer bushing maintenance guide rod fixing device Active CN214603870U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023014963.7U CN214603870U (en) 2020-12-15 2020-12-15 Transformer bushing maintenance guide rod fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023014963.7U CN214603870U (en) 2020-12-15 2020-12-15 Transformer bushing maintenance guide rod fixing device

Publications (1)

Publication Number Publication Date
CN214603870U true CN214603870U (en) 2021-11-05

Family

ID=78430171

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023014963.7U Active CN214603870U (en) 2020-12-15 2020-12-15 Transformer bushing maintenance guide rod fixing device

Country Status (1)

Country Link
CN (1) CN214603870U (en)

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