CN111775822B - Epoxy resin cast dry-type transformer transportation binding tool and method - Google Patents
Epoxy resin cast dry-type transformer transportation binding tool and method Download PDFInfo
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- CN111775822B CN111775822B CN202010678348.1A CN202010678348A CN111775822B CN 111775822 B CN111775822 B CN 111775822B CN 202010678348 A CN202010678348 A CN 202010678348A CN 111775822 B CN111775822 B CN 111775822B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
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Abstract
The invention discloses a transportation binding tool and a transportation binding method for an epoxy resin cast dry-type transformer, which belong to the technical field of transformers and are characterized in that a fixed beam comprises a reinforcing plate, a middle reinforcing plate, I-shaped steel welded on two sides of the middle reinforcing plate and a trapezoidal reinforcing plate positioned above the I-shaped steel and welded with the middle reinforcing plate; two sides of the fixed beam are respectively provided with two phi 50.5 round holes, phi 50 steel pipes are inserted into the round holes and are welded with the fixed beam, two sides of the clamping plate are provided with phi 31 round holes for penetrating screws, and the center of the clamping plate is provided with a phi 69 round hole for penetrating phi 68 round steel; two sides of the hanging and stirring reinforcing plate are provided with phi 31 round holes for penetrating the screw rods for fixing, the center of the hanging and stirring reinforcing plate is provided with phi 69 round holes for penetrating phi 68 round steel and phi 68 round steel eccentric holes for penetrating the screw rods for fixing, the phi 68 round steel and the clamping plate are welded into a whole, and the phi 68 round steel penetrates through the hanging and stirring reinforcing plate and is connected and fixed by screw nuts; the positioning blocks are fixedly arranged on two sides of each hanging piece.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a transportation binding tool and method for an epoxy resin cast dry-type transformer.
Background
The well-known epoxy resin pouring dry type transformer body needs to be bound and fixed during transportation, generally, a steel wire rope penetrates through an upper clamping piece to be hung and mixed to bind the transformer body during binding, so that the clamping piece is damaged by being pulled due to overlarge stress during transportation, and meanwhile, if the size of a transformer coil is large, the binding mode can cause the interference phenomenon between the steel wire rope and the transformer coil, so that the surface of the coil is damaged.
Disclosure of Invention
The invention provides a transport binding tool and a transport binding method for an epoxy resin cast dry-type transformer, aiming at solving the technical problems in the prior art, and the transport binding tool and the transport binding method are used for reducing the stress of a transformer clamping piece in the two side directions in the transport process so as to avoid the damage of the transformer clamping piece and avoid the interference of a steel wire rope and a transformer coil.
The invention aims to provide a transportation binding tool for an epoxy resin cast dry-type transformer, wherein the dry-type transformer is an epoxy resin cast dry-type transformer with the capacity not lower than 20000 kVA; at least comprises the following steps:
the fixing beam comprises a reinforcing plate, a middle reinforcing plate, I-shaped steel welded on two sides of the middle reinforcing plate and a trapezoidal reinforcing plate which is positioned above the I-shaped steel and welded with the middle reinforcing plate; two phi 50.5 circular holes are respectively formed in two sides of the fixed beam, phi 50 steel pipes are inserted into the circular holes and welded with the fixed beam, the reinforcing plate is a 10mm steel plate, the phi 40 circular holes are formed in the center of the reinforcing plate, C6 chamfers are arranged on the outer sides of the circular holes to prevent damage to the guide chains, and the guide chains are welded on two sides of the I-steel;
the clamping plate is provided with round holes phi 31 for penetrating the screw rods at two sides, and is provided with round holes phi 69 for penetrating phi 68 round steel at the center;
the hoisting and stirring reinforcing plate is provided with phi 31 round holes for penetrating the screw rods to fix at two sides, the centre of the hoisting and stirring reinforcing plate is provided with phi 69 round holes for penetrating phi 68 round steel and phi 68 round steel eccentric holes for penetrating the screw rods to fix, the phi 68 round steel and the clamping plate are welded into a whole, and the phi 68 round steel penetrates through the hoisting and stirring reinforcing plate and then is connected and fixed by screw rod nuts;
and the positioning blocks are fixedly arranged on two sides of each hanging piece.
Further, the clamping plate is a steel plate with the thickness of 25 mm.
Furthermore, the hanging and stirring reinforcing plate is a steel plate with the thickness of 25 mm.
Furthermore, three reinforcing ribs are welded on the connecting surface of the hanging and mixing reinforcing plate and the fixed beam.
Furthermore, the positioning blocks are connected with each hanging piece through screws and nuts.
The second purpose of the invention is to provide a method for transporting and binding a tool based on the epoxy resin cast dry-type transformer, which comprises the following steps:
s1, trial assembling the fixed beam and the upper clamping pieces of the transformer, detaching the fixture from a product after actually measuring the hanging and stirring distance of the two clamping pieces, and welding the fixture with a hanging and stirring reinforcing plate according to the actual assembly size;
s2, after loading the transformer, hoisting and transporting the transport and binding tool of the epoxy resin cast dry-type transformer to an installation position by using a phi 30 hoisting hole on the fixed beam;
s3, mounting the clamping plate and fastening the clamping plate through a screw and a nut;
s4, according to the actual situation, selecting phi 40 outer side chain guide holes or inner side chain guide holes to penetrate into the guide chains, and each hole penetrates into two guide chains to be bound with the vehicle body hook;
and S5, protecting the position where the guide chain collides with the transformer and accessories by using a silicon rubber skin.
The invention has the advantages and positive effects that:
according to the invention, the two upper clamping pieces of the transformer are connected and fixed, and the binding position is transferred to the tool from the clamping pieces, so that the transformer is protected. The clamping plate and the hoisting reinforcing plate fixed by the fixture and the clamping piece are moving parts, and the fixture can be generally used for the transportation binding and fixing of dry-type transformers with different capacities. By the aid of the technical scheme, stress of the transformer clamping pieces in the direction of two sides in the transportation process is reduced, and accordingly the transformer clamping pieces are prevented from being damaged. The interference between the steel wire rope and the transformer coil is avoided, and the damage to the surface of the transformer in the transportation process is avoided.
Drawings
FIG. 1 is a front view of a fixed beam in a preferred embodiment of the invention;
FIG. 2 is a left side view of the fixed beam in the preferred embodiment of the present invention;
FIG. 3 is a block diagram of a center gusset in a preferred embodiment of the present invention;
FIG. 4 is a structural view of a trapezoidal reinforcing plate in a preferred embodiment of the present invention;
FIG. 5 is a front view of the splint in the preferred embodiment of the present invention;
FIG. 6 is an axial cross-sectional view of the splint in the preferred embodiment of the present invention;
FIG. 7 is a front view of a hang tag reinforcement plate in a preferred embodiment of the present invention;
FIG. 8 is a right side view of the hang up reinforcement plate in the preferred embodiment of the present invention;
FIG. 9 is a block diagram of a positioning block in a preferred embodiment of the present invention;
FIG. 10 is an assembly view front elevation of the preferred embodiment of the present invention;
FIG. 11 is an assembly view of the preferred embodiment of the present invention from the left side;
FIG. 12 is a schematic view of a single sided overall ligature according to a preferred embodiment of the present invention;
FIG. 13 is a front view of a reinforcement plate in a preferred embodiment of the present invention;
FIG. 14 is a left side view of a reinforcement plate in the preferred embodiment of the present invention;
in the figure: 1. a reinforcing plate; 2. i-shaped steel; 3. a trapezoidal reinforcing plate; 4. a middle reinforcing plate; 5. phi 50 steel pipe; 6. fixing the beam; 7. a splint; 8. hoisting and stirring the reinforcing plate; 9. positioning blocks; 10. phi 68 round steel; 11. a screw; 12. and a nut.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 14, the technical solution of the present invention is:
a transportation binding tool for an epoxy resin cast dry-type transformer mainly comprises a fixed beam, a clamping plate, a hanging and stirring reinforcing plate, a positioning block, a screw and a nut. The fixed beam is formed by integrally welding five parts including a reinforcing plate, I-shaped steel, a middle reinforcing plate, a trapezoidal reinforcing plate and phi 50 steel pipes, the I-shaped steel is welded on two sides of the middle reinforcing plate, the trapezoidal reinforcing plate is arranged above the I-shaped steel and is attached to the middle reinforcing plate for welding, two phi 50.5 circular holes are respectively formed in two sides of the fixed beam, the phi 50 steel pipes are inserted into the circular holes and are firmly welded, the reinforcing plate 1 is a 10mm steel plate, the phi 40 circular holes are formed in the center of the reinforcing plate 1, C6 chamfers are arranged on the outer sides of the circular holes to prevent damage to guide chains, and the steel pipes are welded on two sides of the I-shaped steel 2; the reinforcing plate is chamfered to form a C6 chamfer to avoid the damage of the steel wire rope by sharp corners at the edges of the steel pipe, wherein a phi 30 hoisting hole C is formed at the protruding part at the upper end of the middle reinforcing plate and is used for hoisting the tool. The main body of the splint is a steel plate with the thickness of 25mm, round holes with the diameter of 31 mm are formed in the two sides of the splint and used for fixing a threaded rod, and a round hole with the diameter of 69 mm is formed in the center of the splint and used for inserting round steel with the diameter of 68 mm. Hang and mix the reinforcing plate main part and be 25mm thick steel plate, with the upper end alignment welding three strengthening rib, increase the area of contact with the fixed beam, improve stability, it is fixed to open phi 31 round hole in both sides and be used for wearing the screw rod, it is fixed that the central division phi 69 round hole is used for phi 68 round steel to penetrate, the eccentric trompil of phi 68 round steel, be used for wearing the screw rod fixed, the problem that screw rod and transformer core interfered has been avoided to the eccentric orfice, phi 68 round steel and splint welding are a whole, phi 68 round steel is passed and is hung to mix D and hang and mix the reinforcing plate after with screw nut connection fixed, be used for restricting this frock along the activity of folder direction, the locating piece is installed and is hung and mixes both sides at every, connect fixedly with bolt and nut, also be used for restricting the activity of this frock along the folder direction.
Please refer to fig. 1, 2, 3, and 4. Wherein fixed beam 6 is by reinforcing plate 1, I-steel 2, trapezoidal reinforcing plate 3, middle reinforcing plate 4, 5 integral welding of phi 50 steel pipe form, I-steel 2 welds in 4 both sides in the middle of the I-steel, trapezoidal reinforcing plate 3 is arranged in I-steel 2 top and middle reinforcing plate 4 laminating and is welded, two phi 50.5 round holes are opened respectively to fixed beam 6 both sides, phi 50 steel pipe 5 inserts in the round hole and the welding is firm, reinforcing plate 1 falls C6 chamfer and avoids wire rope to be damaged by steel pipe edge closed angle, wherein the upper end protuberance department of middle reinforcing plate 4 opens phi 30 hole for hoist and mount this frock.
Please refer to fig. 5 and 6. The main body of the clamping plate 7 is a steel plate with the thickness of 25mm, round holes with the diameter of 31 mm are formed in the two sides of the main body and used for fixing the threaded rod 11, round holes with the diameter of 69 mm are formed in the center of the main body and used for penetrating the round steel with the diameter of 68 mm 10 and are welded with the round steel with the diameter of 68 mm 10, and the welding surface is not attached to the clamping piece. Phi 68 round steel 10 is eccentrically provided with a phi 31 round hole for penetrating the screw rod 11 for fixing, the eccentric hole avoids the problem of interference between the screw rod and a transformer iron core, and the phi 68 round steel 10 penetrates through the hoisting and stirring reinforcing plate 8 and then is connected and fixed by the screw rod 11 and the nut 12 to limit the movement of the tool along the direction of the clamping piece.
Please refer to fig. 7 and 8. The main body of the hoisting reinforcing plate 8 is a steel plate with the thickness of 25mm, three reinforcing ribs are welded with the upper end in an aligning mode, the contact area of the hoisting reinforcing plate and the fixed beam 6 is enlarged, the stability is improved, round holes with the diameter of 31 mm are formed in the two sides of the hoisting reinforcing plate and used for penetrating the screw rods 11 for fixing, and a round hole with the diameter of 69 mm is formed in the center of the hoisting reinforcing plate and used for penetrating round steel 10 with the diameter of 68 mm.
Please refer to fig. 9. The main body of the positioning block 9 is a 39mm thick steel plate, a phi 31 round hole is formed in the center of the positioning block for fixing through a screw rod 11, the positioning block 9 is installed on two sides of each hanging and stirring piece and is fixedly connected through the screw rod 11 and a nut 12, and the movement of the fixture along the direction of the clamping piece is limited.
Mounting and binding process scheme
Please refer to fig. 10, fig. 11, and fig. 12. A transportation ligature frock that is used for 20000kVA and above epoxy resin to pour dry-type transformer includes: the device comprises a fixed beam 6, a clamping plate 7, a hanging and stirring reinforcing plate 8, a positioning block 9, a screw rod 11 and a nut 12.
Because the manufacturing size of the product accessories has deviation, the fixed beam 6 and the upper clamping piece of the transformer need to be installed in a trial mode 1-2 days before delivery, the tool is detached from the product after the actual measurement of the hanging distance between the two clamping pieces, and the hanging reinforcing plate 8 is welded (strictly, the direct welding on the product is forbidden) according to the actual assembly size. After the transformer is loaded, the fixture is lifted to the installation position by using a phi 30 lifting hole on the fixed beam 6, and then the clamping plate 7 is installed and fastened through the screw 11 and the nut 12 as shown in the positions of fig. 10 and 11. According to the practical situation, phi 40 outer side chain guide holes A or inner side chain guide holes B are selected to penetrate guide chains (the inner side chain guide holes are preferred, the outer side chain guide holes and the inner side chain guide holes are forbidden to be used together), each hole penetrates two guide chains with proper bearing to be bound with a vehicle body hook, and the tension of each guide chain is uniform. Soft silicone rubber must be used for protection at the position where the guide chain collides with the transformer and accessories. The banding is schematically shown in fig. 12.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (5)
1. A transportation binding tool for an epoxy resin cast dry-type transformer is disclosed, wherein the dry-type transformer is an epoxy resin cast dry-type transformer with the capacity not lower than 20000 kVA; characterized in that it at least comprises:
the fixing beam (6) comprises a reinforcing plate (1), a middle reinforcing plate (4), I-shaped steel (2) welded on two sides of the middle reinforcing plate (4), and a trapezoidal reinforcing plate (3) located above the I-shaped steel (2) and welded with the middle reinforcing plate (4); two phi 50.5 circular holes are respectively formed in two sides of the fixed beam (6), phi 50 steel pipes (5) are inserted into the circular holes and welded with the fixed beam (6), the reinforcing plate (1) is a 10mm steel plate, a phi 40 circular hole is formed in the center of the reinforcing plate (1), a C6 chamfer is formed on the outer side of the circular hole to prevent damage to a guide chain, and the circular hole is welded on two sides of the I-shaped steel (2);
the clamping plate (7) is provided with round holes phi 31 for penetrating through the screw rods at two sides of the clamping plate (7), and a round hole phi 69 for penetrating through a round steel phi 68 at the center of the clamping plate (7);
the hoisting and mixing reinforcing plate (8) is provided with phi 31 round holes for penetrating screws to fix at two sides of the hoisting and mixing reinforcing plate (8), phi 69 round holes for penetrating phi 68 round steel and phi 68 round steel (10) for penetrating screws to fix are formed in the center of the hoisting and mixing reinforcing plate (8), the phi 68 round steel and the clamping plate (7) are welded into a whole, and the phi 68 round steel penetrates through the hoisting and mixing reinforcing plate (8) and then is connected and fixed by screw nuts;
the positioning blocks (9) are fixedly arranged on two sides of each hanging piece;
the binding process of the transportation binding tool comprises the following steps:
s1, trial assembly is carried out on the fixing beam (6) and the upper clamping piece of the transformer, the fixture is detached from a product after the lifting and stirring distance of the two clamping pieces is actually measured, and welding is carried out on the fixture and the lifting and stirring reinforcing plate (8) according to the actual assembly size;
s2, hoisting and transporting the transport and binding tool of the epoxy resin cast dry-type transformer to an installation position by using a phi 30 hoisting hole on a fixed beam (6) after the transformer is loaded;
s3, mounting the clamping plate (7) and fastening the clamping plate through the screw (11) and the nut (12);
s4, according to the actual situation, selecting phi 40 outer side chain guide holes or inner side chain guide holes to penetrate into the guide chains, and each hole penetrates into two guide chains to be bound with the vehicle body hook;
and S5, protecting the position where the guide chain collides with the transformer and accessories by using a silicon rubber skin.
2. The epoxy resin cast dry transformer transportation lashing tool according to claim 1, wherein the clamping plates (7) are steel plates with a thickness of 25 mm.
3. The epoxy resin cast dry-type transformer transportation binding tool according to claim 1 or 2, wherein the hanging reinforcement plate (8) is a steel plate with a thickness of 25 mm.
4. The epoxy resin pouring dry type transformer transportation binding tool according to claim 3, wherein three reinforcing ribs are welded on the connecting surface of the hanging and mixing reinforcing plate (8) and the fixed beam (6).
5. The epoxy resin cast dry-type transformer transportation binding tool according to claim 1, wherein the positioning block (9) is connected with each hanging bracket through a screw (11) and a nut (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010678348.1A CN111775822B (en) | 2020-07-15 | 2020-07-15 | Epoxy resin cast dry-type transformer transportation binding tool and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010678348.1A CN111775822B (en) | 2020-07-15 | 2020-07-15 | Epoxy resin cast dry-type transformer transportation binding tool and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111775822A CN111775822A (en) | 2020-10-16 |
| CN111775822B true CN111775822B (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010678348.1A Active CN111775822B (en) | 2020-07-15 | 2020-07-15 | Epoxy resin cast dry-type transformer transportation binding tool and method |
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| JP2008117894A (en) * | 2006-11-02 | 2008-05-22 | Toshiba Corp | Device and method for transporting iron core of disassembling and transporting transformer |
| EP2355115A1 (en) * | 2010-02-08 | 2011-08-10 | ABB Technology AG | Transport housing for a coil or a coil block |
| CN202346590U (en) * | 2011-11-28 | 2012-07-25 | 上海一电变压器有限公司 | Hanger special for dry-type transformer with shell |
| CN203118758U (en) * | 2012-12-14 | 2013-08-07 | 南车株洲电机有限公司 | Tooling of transformer |
| CN104779039A (en) * | 2015-05-06 | 2015-07-15 | 湖北紫电电气设备有限公司 | Novel iron core clamping device |
| JP2015142107A (en) * | 2014-01-30 | 2015-08-03 | 株式会社東芝 | Disassembling and transporting method for integrally transported transformer and integrally transported transformer |
| CN105405577A (en) * | 2015-12-30 | 2016-03-16 | 镇江船舶电器有限责任公司 | Dry-type transformer lifting structure |
| CN106428983A (en) * | 2016-09-06 | 2017-02-22 | 山东电力设备有限公司 | Fixture for transporting power transformer core |
| CN209191776U (en) * | 2018-11-14 | 2019-08-02 | 沃尔肯起重机（无锡）有限公司 | A kind of entrucking binding wear-resisting tooling |
-
2020
- 2020-07-15 CN CN202010678348.1A patent/CN111775822B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008117894A (en) * | 2006-11-02 | 2008-05-22 | Toshiba Corp | Device and method for transporting iron core of disassembling and transporting transformer |
| EP2355115A1 (en) * | 2010-02-08 | 2011-08-10 | ABB Technology AG | Transport housing for a coil or a coil block |
| CN202346590U (en) * | 2011-11-28 | 2012-07-25 | 上海一电变压器有限公司 | Hanger special for dry-type transformer with shell |
| CN203118758U (en) * | 2012-12-14 | 2013-08-07 | 南车株洲电机有限公司 | Tooling of transformer |
| JP2015142107A (en) * | 2014-01-30 | 2015-08-03 | 株式会社東芝 | Disassembling and transporting method for integrally transported transformer and integrally transported transformer |
| CN104779039A (en) * | 2015-05-06 | 2015-07-15 | 湖北紫电电气设备有限公司 | Novel iron core clamping device |
| CN105405577A (en) * | 2015-12-30 | 2016-03-16 | 镇江船舶电器有限责任公司 | Dry-type transformer lifting structure |
| CN106428983A (en) * | 2016-09-06 | 2017-02-22 | 山东电力设备有限公司 | Fixture for transporting power transformer core |
| CN209191776U (en) * | 2018-11-14 | 2019-08-02 | 沃尔肯起重机（无锡）有限公司 | A kind of entrucking binding wear-resisting tooling |
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| CN111775822A (en) | 2020-10-16 |
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