CN220518910U - Coil packing box of dry-type transformer - Google Patents
Coil packing box of dry-type transformer Download PDFInfo
- Publication number
- CN220518910U CN220518910U CN202321666750.3U CN202321666750U CN220518910U CN 220518910 U CN220518910 U CN 220518910U CN 202321666750 U CN202321666750 U CN 202321666750U CN 220518910 U CN220518910 U CN 220518910U
- Authority
- CN
- China
- Prior art keywords
- coil
- tray
- fastening screw
- pressing plate
- dry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012856 packing Methods 0.000 title claims description 11
- 238000003825 pressing Methods 0.000 claims abstract description 53
- 238000004806 packaging method and process Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000013011 mating Effects 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Buffer Packaging (AREA)
Abstract
A coil packaging box of a dry-type transformer comprises a box shell, wherein a tray is arranged on a supporting rod of a bottom support of the box shell, an upper pressing plate is arranged on the upper portion of the box shell, a plurality of coils are coaxially placed in a cavity formed by the tray and the upper pressing plate, and the tray and the upper pressing plate are fixed in a tensioning manner through a fastening screw; vibration reduction rubber pads are arranged at a plurality of contact points between the upper end surface of the coil and the upper pressure plate and a plurality of contact points between the lower end surface of the coil and the tray, so that the abrasion of the tray and the upper pressure plate to the coil is prevented; the lower end of the fastening screw is provided with a coil outer lower positioning rubber pad, and the upper end of the fastening screw is provided with a coil outer upper positioning rubber pad, so that the coil and the screw are effectively prevented from collision; and a positioning rubber cushion between the coils is arranged between the outer coils of the inner coils, so that collision between the coils is effectively prevented, and a hanging ring mounting hole is formed in the upper pressure plate and used for lifting, so that the transformer coils are ensured to be safe and reliable in various working environments such as transportation, loading and unloading, lifting and the like.
Description
Technical Field
The utility model relates to the field of dry-type transformer packaging, in particular to a dry-type transformer coil packaging box.
Background
A transformer is a stationary electrical device that can convert electrical energy of one voltage and current into electrical energy of another voltage and current. The transformer mainly comprises a coil and an iron core. The coil of the dry-type transformer is cast by resin. Sometimes, the coils of the transformer need to be fixed, packaged, transported and lifted due to different production sites and assembly sites. The conventional coil packaging box is characterized in that a central cylinder is arranged at the center of the coil to fix the coil, the coil is not fixed, the coil is easy to displace, the coil is inconvenient to hoist, and the like, so that the coil cannot be well fixed for a large-sized coil, and risks are brought to coil transportation.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a dry-type transformer coil packaging box, wherein a tray and an upper pressing plate are arranged at the upper end and the lower end of a coil, fastening screws are arranged at the inner side and the outer side of the coil to tighten and fix a transformer coil, so that the fixation in the vertical direction is ensured, and especially, larger tightening force can be provided for a large-sized coil, positioning rubber gaskets outside the coil are arranged at the two ends of the fastening screws to prevent the coil from colliding with the fastening screws, and meanwhile, the positioning rubber gaskets are arranged between the coil and the coil, so that damage to the coil caused by displacement collision in the transportation process is effectively reduced, and the transformer coil is safe and reliable in the transportation process.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a dry-type transformer coil packing box, includes case 1, case 1's collet 2 is provided with bracing piece 2-2, and the top of bracing piece 2-2 is provided with tray 5, and case 1's upper portion is equipped with pressure disk 11, forms a cavity between tray 5 and the pressure disk 11, is used for placing inner coil 12 and outer coil 13, and is taut fixed through interior fastening screw 7-1 and outer fastening screw 7-2 between tray 5 and the pressure disk 11.
The lower ends of the inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 are respectively provided with a coil outer lower positioning rubber cushion 8-1, and are positioned above the tray 5; the upper ends of the inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 are respectively provided with a coil outer upper positioning rubber cushion 8-2, and the coil outer upper positioning rubber cushion is positioned below an upper pressing plate 11.
Between the inner coil 12 and the outer coil 13, a coil-to-coil lower positioning rubber pad 9-1 is arranged on the upper surface of the tray 5, and a coil-to-coil upper positioning rubber pad 9-2 is arranged under the upper pressure plate.
The collet 2 comprises a sliding plate 2-1, support rods 2-2 are arranged on the sliding plate 2-1 at intervals, and a baffle plate 2-3 is arranged between adjacent support rods 2-2.
The tray 5 is separated from the coil, and the upper pressing plate 11 is separated from the coil by a vibration reduction rubber cushion 6.
The tray 5 and the upper pressing plate 11 are connected into a cross-shaped structure by adopting two steel pipes to form a 90-degree included angle, or are connected into a rice-shaped structure by adopting four steel pipes to form a 45-degree included angle, and pressing plates 16 are arranged at the center positions of the top surface of the tray 5 and the bottom surface of the upper pressing plate 11.
The inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 are full threads, one end of the inner fastening screw rod 7-1 or the outer fastening screw rod 7-2 sequentially penetrates through the first top matched nut 4-2, the upper pressing plate 11, the coil outer upper positioning rubber cushion 8-2, the first nut 3-2, the second nut 3-1, the coil outer lower positioning rubber cushion 8-1, the tray 5 and the supporting rod 2-2 from top to bottom, and is fixed by the first bottom matched nut 4-1.
Round holes 14 matched with two ends of the inner fastening screw 7-1 and the outer fastening screw 7-2 are formed in the tray 5 and the upper pressing plate 11.
And hanging ring mounting holes 15 are symmetrically formed in the two sides of the steel pipe of the upper pressing plate 11.
The center of the lower positioning rubber cushion 9-1 between the coils is connected with the tray 5 through a bolt 10 and is fixed by a second bottom matched nut 17-1, the center of the upper positioning rubber cushion 9-2 between the coils is connected with the upper pressing plate 11 through the bolt 10 and is fixed by a second top matched nut 17-2.
Compared with the prior art, the utility model has the beneficial effects that:
1. compared with the prior art, the support rod 2-2 is arranged on the bottom support 2 of the case 1, the tray 5 is arranged at the top of the support rod 2-2, the upper part of the case 1 is provided with the upper pressure plate 11, a cavity is formed between the tray 5 and the upper pressure plate, a plurality of transformer coils are coaxially arranged on the support rod 2-2, the tray 5 and the upper pressure plate 11 are tensioned and fixed through the inner fastening screw rod 7-1 and the outer fastening screw rod 7-2, the fixation in the vertical direction is ensured, and particularly, larger tensioning force can be provided for a large coil.
2. The lower ends of the inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 of the utility model are provided with coil outer lower positioning rubber pads 8-1 which are positioned above the tray 5; the upper ends of the inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 are respectively provided with a coil outer upper positioning rubber cushion 8-2, and the coil outer upper positioning rubber cushion is positioned below the upper pressing plate 11 to prevent the coil from colliding with the fastening screw rod.
3. The coil-to-coil lower positioning rubber pad 9-1 is arranged between the inner coil 12 and the outer coil 13 on the tray 5, and the coil-to-coil upper positioning rubber pad 9-2 is arranged below the upper pressing plate, so that damage to the coil caused by displacement collision in the transportation process is effectively reduced, and the transformer coil is safe and reliable in the transportation process.
4. The support rods 2-2 are arranged on the sliding plate 2-1 of the collet 2 at intervals, the baffle plates 2-3 are arranged between the adjacent support rods 2-2, and a closed box body is formed to play a role of protecting coils.
5. The tray 5 and the coil, the upper pressing plate 11 and the coil are separated by the vibration reduction rubber cushion 6, so that friction between the tray 5 and the upper pressing plate 11 on the end face of the coil in the transportation process is effectively prevented.
6. According to the utility model, the tray 5 and the upper pressing plate 11 are connected into a cross-shaped structure by adopting two steel pipes at an included angle of 90 degrees, or are connected into a rice-shaped structure by adopting four steel pipes at an included angle of 45 degrees, and the pressing plates 16 are arranged at the center positions of the top surface of the tray 5 and the bottom surface of the upper pressing plate 11, so that the tray 5 and the upper pressing plate 11 are more stable and firm in structure.
7. The inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 are full threads, one end of the inner fastening screw rod 7-1 or the outer fastening screw rod 7-2 sequentially penetrates through the first top matched nut 4-2, the upper pressing plate 11, the coil outer upper positioning rubber cushion 8-2, the first nut 3-2, the second nut 3-1, the coil outer lower positioning rubber cushion 8-1, the tray 5 and the supporting rod 2-2 from top to bottom, and is fixed by the first bottom matched nut 4-1, so that the coil is effectively prevented from being displaced in the horizontal and vertical directions, and collision between the coil and the fastening screw rod is avoided.
8. The tray 5 and the upper pressing plate 11 are provided with round holes 14 which are matched with the two ends of the inner fastening screw 7-1 and the outer fastening screw 7-2, so that the screws can be conveniently installed and fixed.
9. The steel pipe of the pressure plate 11 is symmetrically provided with the hanging ring mounting holes 15 on two sides, so that hanging rings can be mounted, and the coil is convenient to assemble and disassemble.
10. The centers of the lower positioning rubber pads 9-1 among the coils are connected with the tray 5 through bolts 10 and fixed by the second bottom matched nuts 17-1, the centers of the upper positioning rubber pads 9-2 among the coils are connected with the upper pressing plate 11 through bolts 10 and fixed by the second top matched nuts 17-2, so that a plurality of coils are effectively prevented from being collided in displacement in the transportation process, and the transportation is safer.
In summary, compared with the prior art, the utility model has the advantages that the tray 5 and the upper pressing plate 11 are arranged in the box shell 1, the inner fastening screw 7-1 and the outer fastening screw 7-2 are used for tensioning and fixing, the coil outer lower positioning rubber cushion 8-1 and the coil outer upper positioning rubber cushion 8-2 are respectively arranged at the two ends of the inner fastening screw and the outer fastening screw, meanwhile, the coil lower positioning rubber cushion 9-1 and the coil upper positioning rubber cushion 9-2 are arranged between the coils, the coil is tensioned and fixed in the vertical direction and positioned in the horizontal direction, and particularly, larger tensioning force can be provided for a large-sized coil, so that the coil of the transformer is prevented from being displaced, the transformer is safe and reliable in the transportation process, and the hanging ring mounting hole 15 is formed in the upper pressing plate, so that the coil is convenient to assemble and disassemble and hoist.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model.
Fig. 2 is a cross-sectional view of the overall package of the present utility model after placement into a transformer coil.
Fig. 3 is a plan view of the case 1 of the present utility model.
Fig. 4 is a schematic structural view of the upper platen 11 or the tray 5 according to the present utility model, wherein fig. 4 (a) is a top view of the tray 5 or the upper platen 11, and fig. 4 (b) is a schematic side view of the tray 5 or the upper platen 11.
Wherein, 1, a case shell; 2. a bottom support; 2-1, a sliding plate; 2-2, supporting rods; 2-3, baffle plates; 3-1, a second nut; 3-2, a first nut; 4-1, a first bottom mating nut; 4-2, a first top mating nut; 5. a tray; 6. vibration damping rubber cushion; 7-1, an internal fastening screw; 7-2, an external fastening screw; 8-1, positioning a rubber pad outside and below the coil; 8-2, positioning a rubber pad outside the coil; 9-1, positioning rubber pads between coils; 9-2, a positioning rubber cushion is arranged between the coils; 10. a bolt; 11. an upper platen; 12. an inner coil; 13. an outer coil; 14. a round hole; 15. a hanging ring mounting hole; 16. a pressing plate; 17-1, a second bottom mating nut; 17-2, a second top mating nut;
Detailed Description
The structural and operational principles of the present utility model will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1 to 2, a dry-type transformer coil packaging box is suitable for coaxial placement of a plurality of transformer coils, the coils at least comprise two coils, and are defined as an inner coil 12 and an outer coil 13 by taking two coils as examples, the packaging box comprises a box shell 1, a plurality of supporting rods 2-2 are arranged on a bottom support 2 of the box shell 1, a tray 5 is arranged at the top of the supporting rods 2-2, an upper pressing plate 11 is arranged on the upper part of the box shell 1, a cavity is formed between the tray 5 and the upper pressing plate 11 and is used for placing the inner coil 12 and the outer coil 13, and the tray 5 and the upper pressing plate 11 are fixed in a tensioning manner through an inner fastening screw 7-1 and an outer fastening screw 7-2, so that the fixation in the vertical direction is ensured, and particularly, larger tensioning force can be provided for a large-sized coil.
Referring to fig. 1, the lower ends of the inner fastening screw 7-1 and the outer fastening screw 7-2 are respectively provided with a coil outer lower positioning rubber pad 8-1, and are positioned above the tray 5; the upper ends of the inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 are respectively provided with a coil outer upper positioning rubber cushion 8-2, and the coil outer upper positioning rubber cushion is positioned below the upper pressing plate 11 to prevent the coil from colliding with the fastening screw rod.
Referring to fig. 2 to 3, a lower inter-coil positioning rubber pad 9-1 is disposed above the tray 5 between the inner coil 12 and the outer coil 13, and an upper inter-coil positioning rubber pad 9-2 is disposed below the upper platen, so that the coil conveying device is suitable for packaging and fixing a plurality of coils with different diameters, and the coils are arranged from outside to inside according to the inner diameter and the outer diameter, so that the coil conveying is safer and more reliable.
Referring to fig. 1 to 3, the base 2 includes a sliding plate 2-1, supporting rods 2-2 are arranged on the sliding plate 2-1 at intervals, a baffle plate 2-3 is arranged between adjacent supporting rods 2-2, the number and the specification of the sliding plate 2-1 are determined according to the volume and the weight of the transported coil, the number and the position of the supporting rods 2-2 are determined according to the number and the position of fastening screws, and the base can adapt to the fixation and the bearing of coils with different specifications.
Referring to fig. 1, the tray 5 and the coil, and the upper pressing plate 11 and the coil are separated by a vibration reduction rubber pad 6, so that the friction of the end surfaces of the tray 5 and the upper pressing plate 11 to the coil is prevented when the fastening is pulled.
Referring to fig. 4, the tray 5 and the upper pressing plate 11 are connected into a cross-shaped structure by adopting two steel pipes to form a 90-degree included angle, or are connected into a rice-shaped structure by adopting four steel pipes to form a 45-degree included angle, and pressing plates 16 are arranged at the center positions of the top surface of the tray 5 and the bottom surface of the upper pressing plate 11, so that the structure is simple, firm and firm.
Referring to fig. 1, the inner fastening screw 7-1 and the outer fastening screw 7-2 are full threads, and one end of the inner fastening screw 7-1 or the outer fastening screw 7-2 sequentially passes through the first top mating nut 4-2, the upper pressing plate 11, the coil outer upper positioning rubber pad 8-2, the first nut 3-2, the second nut 3-1, the coil outer lower positioning rubber pad 8-1, the tray 5 and the supporting rod 2-2 from top to bottom, and is fixed by the first bottom mating nut 4-1, so that the coil is effectively prevented from being displaced in the horizontal and vertical directions, and collision between the coil and the fastening screw is avoided.
Referring to fig. 4, the tray 5 and the upper pressing plate 11 are provided with round holes 14 adapted to two ends of the inner fastening screw 7-1 and the outer fastening screw 7-2, so that the screws are convenient to install and fix.
Referring to fig. 4, the steel tube of the upper platen 11 is symmetrically provided with hanging ring mounting holes 15 on both sides, so that hanging rings can be mounted, and the coil can be conveniently assembled and disassembled.
Referring to fig. 1 to 3, the center of the inter-coil lower positioning rubber pad 9-1 is connected with the tray 5 through a bolt 10 and is fixed by a second bottom matched nut 17-1, the center of the inter-coil upper positioning rubber pad 9-2 is connected with the upper pressing plate 11 through the bolt 10 and is fixed by a second top matched nut 17-2, so that a plurality of coils are effectively prevented from being collided when being displaced in the transportation process, and the transportation is safer.
The sizes of the packing box, the tray and the upper pressing plate are adjusted according to actual needs so as to support and fix a plurality of coils.
The working principle of the utility model is as follows:
referring to fig. 1 or 2, a support rod 2-2 is arranged on a bottom support 2 of a case 1, a tray 5 is placed at the top of the support rod 2-2, an upper pressing plate 11 is arranged at the upper part of the case 1, a cavity is formed between the tray 5 and the upper pressing plate 11, the case is suitable for coaxial placement of a plurality of coils, the tray 5 and the upper pressing plate 11 are tightly fixed through an inner fastening screw 7-1 and an outer fastening screw 7-2 according to the arrangement of the inner diameter and the outer diameter of the coils from the outside to the outside, vibration reduction rubber gaskets 6 are placed at a plurality of contact points of the upper end surface of the coils and the upper pressing plate 11, and vibration reduction rubber gaskets 6 are placed at a plurality of contact points of the lower end surface of the coils and the tray 5, so that the abrasion of the coils caused by the tray 5 and the upper pressing plate 11 when the fastening screws are tightly fixed is prevented; the lower ends of the inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 are respectively provided with a coil outer lower positioning rubber cushion 8-1 which is positioned above the tray 5, and the upper ends of the inner fastening screw rod 7-1 and the outer fastening screw rod 7-2 are respectively provided with a coil outer upper positioning rubber cushion 8-2 which is positioned below the upper pressure plate 11, so that the coil and the screw rod are effectively prevented from collision; between the inner coil 12 and the outer coil 13, a lower positioning rubber pad 9-1 between the coils is arranged on the tray 5, and an upper positioning rubber pad 9-2 between the coils is arranged under the upper pressure plate 11, so that displacement and collision between the coils are prevented.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. The utility model provides a dry-type transformer coil packing box, includes case (1), its characterized in that, be provided with bracing piece (2-2) on collet (2) of case (1), the top of bracing piece (2-2) is provided with tray (5), the upper portion of case (1) is equipped with pressure disk (11), form a cavity between tray (5) and upper pressure disk (11), be used for placing inner coil (12) and outer coil (13), taut fixed through inner fastening screw (7-1) and outer fastening screw (7-2) between tray (5) and the upper pressure disk (11).
2. The dry-type transformer coil packaging box according to claim 1, wherein the lower ends of the inner fastening screw (7-1) and the outer fastening screw (7-2) are respectively provided with a coil outer lower positioning rubber pad (8-1) and are positioned above the tray (5); the upper ends of the inner fastening screw rod (7-1) and the outer fastening screw rod (7-2) are respectively provided with a coil outer upper positioning rubber pad (8-2) and are positioned below the upper pressing plate (11).
3. A dry-type transformer coil packing case according to claim 1, characterized in that an inter-coil lower positioning rubber pad (9-1) is provided between the inner coil (12) and the outer coil (13) above the tray (5), and an inter-coil upper positioning rubber pad (9-2) is provided below the upper platen.
4. The dry-type transformer coil packing case according to claim 1, wherein the base (2) comprises sliding plates (2-1), supporting rods (2-2) are arranged on the sliding plates (2-1) at intervals, and baffle plates (2-3) are arranged between adjacent supporting rods (2-2).
5. A dry-type transformer coil packing case according to claim 1, wherein the tray (5) and the coil, and the upper platen (11) and the coil are separated by vibration damping rubber pads (6).
6. The dry-type transformer coil packaging box according to claim 1, wherein the tray (5) and the upper pressing plate (11) are connected into a cross-shaped structure by adopting two steel pipes with an included angle of 90 degrees or connected into a rice-shaped structure by adopting four steel pipes with an included angle of 45 degrees, and pressing plates (16) are arranged at the center positions of the top surface of the tray (5) and the bottom surface of the upper pressing plate (11).
7. The dry-type transformer coil packaging box according to claim 1, wherein the inner fastening screw (7-1) and the outer fastening screw (7-2) are full threads, one end of the inner fastening screw (7-1) or the outer fastening screw (7-2) sequentially penetrates through the first top matched nut (4-2), the upper pressing plate (11), the coil outer upper positioning rubber pad (8-2), the first nut (3-2), the second nut (3-1), the coil outer lower positioning rubber pad (8-1), the tray (5) and the supporting rod (2-2) from top to bottom, and is fixed by the first bottom matched nut (4-1).
8. A dry-type transformer coil packing case according to claim 1 or 6, wherein round holes (14) matched with two ends of the inner fastening screw (7-1) and the outer fastening screw (7-2) are formed in the tray (5) and the upper pressing plate (11).
9. The dry-type transformer coil packing case according to claim 4, wherein hanging ring mounting holes (15) are symmetrically formed in two sides of the steel pipe of the upper pressing plate (11).
10. A dry-type transformer coil packing case according to claim 3, wherein the center of the lower positioning rubber pad (9-1) between the coils is connected with the tray (5) through a bolt (10), and is fixed by a second bottom mating nut (17-1), and the center of the upper positioning rubber pad (9-2) between the coils is connected with the upper pressing plate (11) through a bolt (10), and is fixed by a second top mating nut (17-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321666750.3U CN220518910U (en) | 2023-06-28 | 2023-06-28 | Coil packing box of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321666750.3U CN220518910U (en) | 2023-06-28 | 2023-06-28 | Coil packing box of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220518910U true CN220518910U (en) | 2024-02-23 |
Family
ID=89932390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321666750.3U Active CN220518910U (en) | 2023-06-28 | 2023-06-28 | Coil packing box of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220518910U (en) |
-
2023
- 2023-06-28 CN CN202321666750.3U patent/CN220518910U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220518910U (en) | Coil packing box of dry-type transformer | |
| CN106516417A (en) | Blocking structure for transformer coil transportation and blocking method for blocking structure | |
| CN211811147U (en) | Shock attenuation conveyer for sleeve pipe | |
| CN214422110U (en) | Shell hoisting and transporting device for steam turbine | |
| CN110937497A (en) | Multi-arm lifting appliance and lifting method thereof | |
| CN212712463U (en) | Special lifting appliance for mounting transformer | |
| CN213183939U (en) | A ware body and oil tank case lid connection structure for damping and making an uproar falls | |
| CN101908731A (en) | Hoisting device for on-load tap changers of transformers | |
| CN103482545B (en) | Device for lifting large-sized cover plate magnetic pole composite member and lifting and overturning method | |
| CN210117147U (en) | Equipment for hoisting moving bolt in marine diesel engine cylinder | |
| CN201268475Y (en) | Packing rack for transporting large-sized current mutual inductor | |
| CN219361723U (en) | Heavy current sleeve pipe inner bag formula transport case | |
| CN201975256U (en) | Mounting rack for iron cores | |
| CN110391074A (en) | Low voltage lead structure and low-noise energy-saving environmental protection transformer | |
| CN201830104U (en) | Lifting frame for hanging magnetic pole of large hydrogenerator rotor | |
| CN219790970U (en) | Safety fixing device for transportation of inverted current transformer | |
| CN111883355A (en) | Frock clamp platform for transformer hoist and mount location | |
| CN213387412U (en) | Hoisting device for engine detection | |
| CN219009750U (en) | Nuclear power plant steam generator upset support | |
| CN213752261U (en) | Dry-type transformer | |
| CN202473490U (en) | Novel stereoscopic wound core transformer and reactor clamping piece | |
| CN215644003U (en) | Oil tank cover connecting structure of oil-immersed transformer | |
| CN215208019U (en) | Deformed steel bar hoisting device | |
| CN220854487U (en) | A test fixture for hoist and mount vaulting pole test | |
| CN213974956U (en) | Multilayer transport package structure of wind power locking disc |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |