Transformer coil lifting frame
By designing a hanging column structure with adjustable and lockable positions, the problem of bending damage to the hanging rod in the traditional transformer coil lifting method is solved, and the vertical lifting of the coil and the adaptability of different diameters is achieved.
Patent Information
- Application Number
- CN202420325312.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-21
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-02-21
AI Technical Summary
In traditional transformer coil lifting methods, the boom cannot be lifted vertically, causing the boom to bend inward under force, which may damage the epoxy resin on the coil.
A transformer coil lifting hanger is designed, including a bracket and two hanging columns. The hanging column can be slidably adjusted along the strip hole and is symmetrically distributed relative to the center. By positioning the locking structure, the hanging column can be ensured to lift the coil vertically.
Vertical lifting of the coil is realized to avoid bending the boom to damage the coil. It is suitable for coils of different diameters and sizes, and ensures safety and stability of lifting through a locking structure.
Smart Images

Figure CN222647393U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformer coil lifting, in particular to a transformer coil lifting hanger. Background Art
[0002] When assembling the dry-type transformer body, a crane is used to lift and assemble the high and low voltage coils and the insulation cylinder. In the traditional way of lifting the coil, the coil is inserted into two vertical hanging rods, and the crane is directly connected to the hanging rods through the hanging ropes and then lifted. In this lifting method, the force is concentrated above the axis of the coil, and the hanging rod cannot be lifted vertically. The hanging rod will bend inwards to a certain arc under the force, which may cause damage to the epoxy resin cast on the coil. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a transformer coil lifting hanger, which can be used to vertically lift the hanging rod on the coil to prevent the hanging rod from bending inwards and damaging the coil, and realize vertical lifting of coils of different diameters.
[0004] According to the embodiment of the utility model, the transformer coil lifting hanger includes a bracket and two hanging columns, the bracket includes a first hanging plate and a second hanging plate arranged side by side, there is a gap between the first hanging plate and the second hanging plate, the second hanging plate is fixedly connected to the first hanging plate, the first hanging plate is provided with at least one first strip hole along its length direction, the second hanging plate is provided with at least one second strip hole along its length direction, wherein at least two crane lifting structures are provided on the bracket, at least two of the crane lifting structures are arranged along the length direction of the first hanging plate and are symmetrically distributed in pairs relative to a center plane; one end of each of the hanging columns is penetrated through the corresponding first strip hole, and the other end is penetrated through the corresponding second strip hole, the hanging column can slide along the corresponding first strip hole to adjust the position, the hanging column is used for lifting the hanging rod on the coil, the two hanging columns can be symmetrically distributed relative to the center plane, and a locking structure is provided between the hanging column and the bracket.
[0005] According to some embodiments of the utility model, the locking structure includes a first nut screwed to the suspension column and a second nut screwed to the suspension column, the first suspension plate and the second suspension plate are both located between the first nut and the second nut, the first nut abuts against the first suspension plate, and the second nut abuts against the second suspension plate.
[0006] According to some embodiments of the utility model, the hanging column sleeve is provided with a first washer, the first washer is located between the first nut and the first hanging plate, a plurality of first arc-shaped positioning grooves are equidistantly arranged on the upper side wall of the first strip hole, a plurality of second arc-shaped positioning grooves are equidistantly arranged on the lower side wall of the first strip hole, all of the first arc-shaped positioning grooves correspond one-to-one with all of the second arc-shaped positioning grooves, and the first washer can be clamped in the corresponding first arc-shaped positioning groove and the corresponding second arc-shaped positioning groove.
[0007] According to some embodiments of the utility model, four crane lifting structures are provided, and each of the crane lifting structures includes a lifting ear, wherein two of the lifting ears are arranged on the first hanging plate at intervals along the length direction of the first hanging plate, and the other two lifting ears are arranged on the second hanging plate at intervals along the length direction of the second hanging plate, and the four lifting ears are arranged in a rectangular shape, and two first strip holes are provided, and the two first strip holes are symmetrically distributed relative to the center plane, and one ends of the two hanging columns are passed through the two first strip holes in a one-to-one correspondence.
[0008] According to some embodiments of the present invention, the cross-section of the first hanging plate is U-shaped, and the cross-section of the second hanging plate is U-shaped.
[0009] According to some embodiments of the utility model, the first hanging plate includes a first upper folding edge, a first side edge and a first lower folding edge connected in sequence, a first reinforcing plate is connected between the first upper folding edge and the first side edge, and a first reinforcing plate is connected between the first lower folding edge and the first side edge.
[0010] According to some embodiments of the present invention, the second hanging plate includes a second upper folded edge, a second side edge and a second lower folded edge connected in sequence, a second reinforcing plate is connected between the second upper folded edge and the second side edge, and a second reinforcing plate is connected between the second lower folded edge and the second side edge.
[0011] According to some embodiments of the utility model, the lifting ears are vertically arranged, and a lifting hole is provided at the upper end of each lifting ear, wherein the first upper folded edge is provided with two first slots, and the second upper folded edge is provided with two second slots, wherein two of the lifting ears are correspondingly inserted into the two first slots and welded to the side walls of the corresponding first slots, and the other two lifting ears are correspondingly inserted into the two second slots and welded to the side walls of the corresponding second slots, the first side edge is welded to the corresponding lifting ear, the first lower folded edge is welded to the corresponding lifting ear, the second side edge is welded to the corresponding lifting ear, and the second lower folded edge is welded to the corresponding lifting ear.
[0012] According to some embodiments of the utility model, the first hanger plate and the second hanger plate are provided with connecting pieces at both ends and in the middle, and each of the connecting pieces is fixedly connected to the first hanger plate and the second hanger plate by bolts.
[0013] According to some embodiments of the present invention, a bottom wheel is installed on the lower side of the bracket.
[0014] The transformer coil lifting hanger according to the embodiment of the utility model has at least the following beneficial effects:
[0015] (1) The suspension column can be moved along the first strip hole to adjust its position. Therefore, the positions of the two suspension columns can be adjusted according to the distance between the two suspension rods on the coil, and the two suspension columns can be symmetrically distributed relative to the center plane, so that the two suspension columns can be located one by one directly above the two suspension rods, so that the suspension columns can be vertically connected to the corresponding suspension rods through ropes or hooks and other components, and at least two crane lifting structures on the bracket are symmetrically distributed in pairs relative to a center plane, and the two suspension columns are also symmetrical relative to the same center plane. In this way, when the crane connects these crane lifting structures and lifts the bracket, the suspension rod together with the coil can be vertically lifted to prevent the suspension rod from bending inward and damaging the coil;
[0016] (2) The suspension column can be moved along the first strip hole to adjust its position, thereby realizing vertical lifting of coils of different diameters;
[0017] (3) The position of the davit is locked by the locking structure to prevent the davit from shifting during the lifting process and ensure safety;
[0018] (4) Each first arc-shaped positioning groove can correspond to a coil of a certain model and size. Therefore, according to the model of the coil, the corresponding first arc-shaped positioning groove can be found, and then the hanging column can be quickly adjusted to the position of the first arc-shaped positioning groove to achieve rapid lifting;
[0019] (5) The bracket adopts a first hanging plate and a second hanging plate arranged side by side, which can enhance the overall structural strength. The overall structural strength of the bracket can be further enhanced by the first hanging plate being U-shaped, the second hanging plate being U-shaped, and the first reinforcing plate and the second reinforcing plate being arranged;
[0020] (6) Install bottom wheels to facilitate workers to drag the hanger on the ground after the lifting is completed. The movement and transfer of the hanger does not occupy the crane to reduce aerial work.
[0021] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0023] Figure 1 A schematic diagram of a transformer coil lifting hanger according to an embodiment of the utility model;
[0024] Figure 2 for Figure 1 A front view of a transformer coil lifting hanger is shown;
[0025] Figure 3 for Figure 2 A cross-sectional view of a transformer coil lifting hanger on section AA is shown;
[0026] Figure 4 for Figure 1 An exploded view of a transformer coil lifting hanger is shown.
[0027] Reference numerals:
[0028] The first hanging plate 110, the first upper folded edge 110a, the first side 110b, the first lower folded edge 110c, the first reinforcing plate 110d, the first strip hole 111, the first slot 112, the first arc-shaped positioning groove 113, the second arc-shaped positioning groove 114, the second hanging plate 120, the second upper folded edge 120a, the second side 120b, the second lower folded edge 120c, the second reinforcing plate 120d, the second strip hole 121, the second slot 122, the lifting ear 130, the lifting hole 131, the hanging column 200, the first nut 310, the second nut 320, the first washer 330, the connecting piece 400, and the bottom wheel 500. DETAILED DESCRIPTION
[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0030] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0031] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0032] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0033] Reference Figures 1 to 4 According to an embodiment of the utility model, the transformer coil lifting hanger includes a bracket and two hanging columns 200, the bracket includes a first hanging plate 110 and a second hanging plate 120 arranged side by side, there is a gap between the first hanging plate 110 and the second hanging plate 120, the second hanging plate 120 is fixedly connected to the first hanging plate 110, the first hanging plate 110 is provided with at least one first strip hole 111 along its length direction, the second hanging plate 120 is provided with at least one second strip hole 121 along its length direction, wherein the bracket is provided with to At least two crane lifting structures are provided, and at least two crane lifting structures are arranged along the length direction of the first hanging plate 110 and are symmetrically distributed in pairs relative to a central plane; one end of each hanging column 200 is passed through the corresponding first strip hole 111, and the other end is passed through the corresponding second strip hole 121. The hanging column 200 can slide along the corresponding first strip hole 111 to adjust the position. The hanging column 200 is used for the hanging rod on the lifting coil. The two hanging columns 200 can be symmetrically distributed relative to the central plane, and a locking structure is provided between the hanging column 200 and the bracket.
[0034] With the above arrangement, the suspension column 200 can be moved and adjusted along the first strip hole 111. Thus, the positions of the two suspension columns 200 can be adjusted according to the distance between the two suspension rods on the coil, and the two suspension columns 200 can be symmetrically distributed relative to the center plane, so that the two suspension columns 200 can be located one by one directly above the two suspension rods, so that the suspension columns 200 can be vertically connected to the corresponding suspension rods through ropes or hooks and other components, and at least two crane lifting structures on the bracket are symmetrically distributed in pairs relative to a center plane, and the two suspension columns 200 are also symmetrical relative to the same center plane. In this way, when the crane connects these crane lifting structures and lifts the bracket, the suspension rod and the coil can be vertically lifted to prevent the suspension rod from bending inward and damaging the coil. In addition, since the suspension column 200 can be moved and adjusted along the first strip hole 111, vertical lifting of coils of different diameters can be achieved.
[0035] In the hanger provided by the utility model, the position of the hanging column 200 is positioned and locked by a locking structure to avoid position displacement of the hanging column 200 during the lifting process and ensure safety. In addition, when continuously lifting coils of the same model and size, it is only necessary to adjust the position of the hanging column 200 once at the initial stage, which is convenient to use.
[0036] Reference Figure 1 In some embodiments, two of the first strip holes 111 may be provided, the two first strip holes 111 are symmetrically distributed relative to the center plane, and the two hanging posts 200 are inserted into the two first strip holes 111 in a one-to-one correspondence.
[0037] In some other embodiments, only one first strip-shaped hole 111 may be provided. In this case, the center plane may coincide with the middle plane of the first strip-shaped hole 111 in the length direction.
[0038] In a specific implementation process, one or two second strip-shaped holes 121 may be provided, and the number of the second strip-shaped holes 121 may be the same as or different from the number of the first strip-shaped holes 111 .
[0039] In some embodiments, the aforementioned center plane, the middle plane that bisects the length of the first hanging plate 110 , and the middle plane that bisects the length of the second hanging plate 120 may be coplanar to facilitate processing and positioning.
[0040] Reference Figure 1 , Figure 3 and Figure 4 According to some embodiments of the utility model, the locking structure includes a first nut 310 screwed to the suspension column 200 and a second nut 320 screwed to the suspension column 200, the first suspension plate 110 and the second suspension plate 120 are both located between the first nut 310 and the second nut 320, the first nut 310 abuts against the first suspension plate 110, and the second nut 320 abuts against the second suspension plate 120. Therefore, in the specific implementation process, tightening the first nut 310 and the second nut 320 can lock the suspension column 200, and loosening the first nut 310 and the second nut 320 can release the lock on the suspension column 200.
[0041] It is conceivable that the above-mentioned locking structure can also be arranged in other ways. For example, the second nut 320 can be replaced by a circular step, and the step is connected to the suspension column 200. When the first nut 310 is tightened, the step can abut against the second suspension plate 120, thereby locking the suspension column 200.
[0042] Reference Figure 1 and Figure 3According to some embodiments of the utility model, the suspension column 200 is provided with a first washer 330, and the first washer 330 is located between the first nut 310 and the first suspension plate 110. A plurality of first arc-shaped positioning grooves 113 are equidistantly arranged on the upper side wall of the first bar hole 111, and a plurality of second arc-shaped positioning grooves 114 are equidistantly arranged on the lower side wall of the first bar hole 111. All the first arc-shaped positioning grooves 113 correspond to all the second arc-shaped positioning grooves 114 one by one, and the first washer 330 can be snapped into the corresponding first arc-shaped positioning grooves 113 and the corresponding second arc-shaped positioning grooves 114. Each first arc-shaped positioning groove 113 can correspond to a coil of a certain model size, so according to the model of the coil, the corresponding first arc-shaped positioning groove 113 can be found, and then the suspension column 200 can be quickly adjusted to the position of the first arc-shaped positioning groove 113 to achieve rapid lifting. In order to find the corresponding first arc-shaped positioning groove 113 according to the model of the coil, a mark for marking the model can be set on one side of the first arc-shaped positioning groove 113 or one side of the second arc-shaped positioning groove 114 .
[0043] Reference Figures 1 to 3 According to some embodiments of the utility model, there are four crane lifting structures, each of which includes a lifting lug 130, wherein two lifting lugs 130 are arranged on the first hanging plate 110 at intervals along the length direction of the first hanging plate 110, and the other two lifting lugs 130 are arranged on the second hanging plate 120 at intervals along the length direction of the second hanging plate 120, and the four lifting lugs 130 are arranged in a rectangular shape, two first strip holes 111 are provided, and the two first strip holes 111 are symmetrically distributed relative to the center plane, and one end of the two hanging columns 200 is correspondingly penetrated through the two first strip holes 111. With the above arrangement, the two hanging columns 200 can be adjusted to a position where the two hanging columns 200 are symmetrically distributed relative to the center plane. When the crane uses a sling to connect the four lifting lugs 130 and then lifts the bracket, the four lifting lugs 130 are balanced in force, thereby ensuring that the bracket can be lifted vertically and stably, thereby ensuring that the suspension rod together with the coil can be lifted vertically and stably, and reducing shaking.
[0044] Reference Figure 1 and Figure 3 According to some embodiments of the present invention, the cross-section of the first hanging plate 110 is U-shaped, and the cross-section of the second hanging plate 120 is U-shaped, thereby improving the overall strength of the bracket.
[0045] Reference Figure 1 and Figure 3According to some embodiments of the present invention, the first hanging plate 110 includes a first upper folding edge 110a, a first side edge 110b and a first lower folding edge 110c connected in sequence, a first reinforcing plate 110d is connected between the first upper folding edge 110a and the first side edge 110b, and a first reinforcing plate 110d is connected between the first lower folding edge 110c and the first side edge 110b. By setting the first reinforcing plate 110d, the strength of the first hanging plate 110 can be improved, thereby improving the overall strength of the bracket.
[0046] Reference Figure 1 and Figure 3 According to some embodiments of the utility model, the second hanging plate 120 includes a second upper folding edge 120a, a second side edge 120b and a second lower folding edge 120c connected in sequence, a second reinforcing plate 120d is connected between the second upper folding edge 120a and the second side edge 120b, and a second reinforcing plate 120d is connected between the second lower folding edge 120c and the second side edge 120b. By setting the second reinforcing plate 120d, the strength of the second hanging plate 120 can be improved, thereby improving the overall strength of the bracket.
[0047] Reference Figure 1 and Figure 4 According to some embodiments of the utility model, the lifting ears 130 are vertically arranged, and a lifting hole 131 is provided at the upper end of each lifting ear 130, wherein the first upper folded edge 110a is provided with two first slots 112, and the second upper folded edge 120a is provided with two second slots 122, wherein the two lifting ears 130 are correspondingly penetrated through the two first slots 112 and welded to the side walls of the corresponding first slots 112, and the other two lifting ears 130 are correspondingly penetrated through the two second slots 122 and welded to the side walls of the corresponding second slots 122, the first side 110b is welded to the corresponding lifting ear 130, the first lower folded edge 110c is welded to the corresponding lifting ear 130, the second side 120b is welded to the corresponding lifting ear 130, and the second lower folded edge 120c is welded to the corresponding lifting ear 130. By adopting the above-mentioned setting, the strength of the first hanging plate 110 can be improved through the corresponding lifting ears 130, and the strength of the second hanging plate 120 can be improved through the corresponding lifting ears 130, thereby improving the overall strength of the bracket, making the bracket's bearing capacity stronger, and reducing the bending deformation of the bracket during the lifting coil process, thereby ensuring vertical lifting of the boom.
[0048] Reference Figure 1 and Figure 4 According to some embodiments of the utility model, the first hanger plate 110 and the second hanger plate 120 are provided with connecting members 400 at both ends and the middle position, and each connecting member 400 is fixedly connected to the first hanger plate 110 and the second hanger plate 120 by bolts. Thus, the first hanger plate 110 and the second hanger plate 120 are connected as a whole to ensure the overall strength of the bracket.
[0049] Reference Figure 1 and Figure 4 According to some embodiments of the present invention, a bottom wheel 500 is installed on the lower side of the bracket. The bottom wheel 500 is installed to facilitate the workers to drag the hanger on the ground after the lifting is completed, and the movement and transfer of the hanger can reduce the use of the crane to reduce the aerial work.
[0050] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0051] The embodiment is described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the present purpose.
Claims
1. A transformer coil lifting hanger, characterized in that: include: A bracket, comprising a first hanging plate (110) and a second hanging plate (120) arranged side by side, wherein there is a gap between the first hanging plate (110) and the second hanging plate (120), the second hanging plate (120) is fixedly connected to the first hanging plate (110), the first hanging plate (110) is provided with at least one first strip hole (111) along its length direction, and the second hanging plate (120) is provided with at least one second strip hole (121) along its length direction, wherein at least two crane lifting structures are provided on the bracket, and the at least two crane lifting structures are provided along the length direction of the first hanging plate (110) and are symmetrically distributed in pairs relative to a central plane; Two hanging columns (200), one end of each hanging column (200) is passed through the corresponding first strip hole (111), and the other end is passed through the corresponding second strip hole (121), the hanging column (200) can slide along the corresponding first strip hole (111) to adjust the position, the hanging column (200) is used for the hanging rod on the hoisting coil, the two hanging columns (200) can be symmetrically distributed relative to the center plane, and a locking structure is provided between the hanging column (200) and the bracket.
2. A transformer coil lifting hanger according to claim 1, characterized in that: The locking structure includes a first nut (310) screwed to the suspension column (200) and a second nut (320) screwed to the suspension column (200); the first suspension plate (110) and the second suspension plate (120) are both located between the first nut (310) and the second nut (320); the first nut (310) abuts against the first suspension plate (110) and the second nut (320) abuts against the second suspension plate (120).
3. The transformer coil lifting hanger according to claim 2, characterized in that: The suspension column (200) is sleeved with a first washer (330), and the first washer (330) is located between the first nut (310) and the first suspension plate (110). A plurality of first arc-shaped positioning grooves (113) are equidistantly arranged on the upper side wall of the first strip hole (111), and a plurality of second arc-shaped positioning grooves (114) are equidistantly arranged on the lower side wall of the first strip hole (111). All of the first arc-shaped positioning grooves (113) correspond to all of the second arc-shaped positioning grooves (114) one by one, and the first washer (330) can be snapped into the corresponding first arc-shaped positioning groove (113) and the corresponding second arc-shaped positioning groove (114).
4. The transformer coil lifting hanger according to claim 1, characterized in that: There are four crane lifting structures, each of which includes a lifting ear (130), wherein two of the lifting ears (130) are arranged on the first hanging plate (110) at intervals along the length direction of the first hanging plate (110), and the other two of the lifting ears (130) are arranged on the second hanging plate (120) at intervals along the length direction of the second hanging plate (120), and the four lifting ears (130) are arranged in a rectangular shape, and two of the first strip holes (111) are provided, and the two first strip holes (111) are symmetrically distributed relative to the center plane, and one end of the two hanging columns (200) is correspondingly penetrated through the two first strip holes (111).
5. The transformer coil lifting hanger according to claim 4, characterized in that: The cross section of the first hanging plate (110) is U-shaped, and the cross section of the second hanging plate (120) is U-shaped.
6. The transformer coil lifting hanger according to claim 5, characterized in that: The first hanging plate (110) includes a first upper folding edge (110a), a first side edge (110b) and a first lower folding edge (110c) which are connected in sequence; a first reinforcing plate (110d) is connected between the first upper folding edge (110a) and the first side edge (110b); and a first reinforcing plate (110d) is connected between the first lower folding edge (110c) and the first side edge (110b).
7. The transformer coil lifting hanger according to claim 6, characterized in that: The second hanging plate (120) includes a second upper folding edge (120a), a second side edge (120b) and a second lower folding edge (120c) connected in sequence, a second reinforcing plate (120d) is connected between the second upper folding edge (120a) and the second side edge (120b), and a second reinforcing plate (120d) is connected between the second lower folding edge (120c) and the second side edge (120b).
8. The transformer coil lifting hanger according to claim 7, characterized in that: The lifting ears (130) are arranged vertically, and a lifting hole (131) is arranged at the upper end of each lifting ear (130), wherein the first upper folding edge (110a) is provided with two first slots (112), and the second upper folding edge (120a) is provided with two second slots (122), wherein two lifting ears (130) are correspondingly inserted into the two first slots (112) and welded to the side walls of the corresponding first slots (112), and the other two lifting ears (130) are correspondingly inserted into the two second slots (122) and welded to the side walls of the corresponding second slots (122), the first side edge (110b) is welded to the corresponding lifting ear (130), the first lower folding edge (110c) is welded to the corresponding lifting ear (130), the second side edge (120b) is welded to the corresponding lifting ear (130), and the second lower folding edge (120c) is welded to the corresponding lifting ear (130).
9. The transformer coil lifting hanger according to claim 1, characterized in that: The first hanging plate (110) and the second hanging plate (120) are provided with connecting pieces (400) at both ends and in the middle, and each of the connecting pieces (400) is fixedly connected to the first hanging plate (110) and the second hanging plate (120) by bolts.
10. The transformer coil lifting hanger according to claim 6, characterized in that: A bottom wheel (500) is installed on the lower side of the bracket.