Transformer coil sleeving lifting appliance

Abstract

The utility model discloses a lifting appliance for sleeving a transformer coil. The transformer coil sleeving lifting appliance comprises a lifting assembly, a lifting rod and a supporting part, the lifting assembly comprises at least one fixed arm extending out in the radial direction of the vertical axis and at least one movable arm extending out in the radial direction of the vertical axis, and the fixed arm and the movable arm are rotationally connected around the vertical axis. A hoisting connecting part is arranged on the fixed arm; the hanging rods are in one-to-one correspondence with the fixed arms and the movable arms respectively, and the hanging rods are arranged on the peripheral side of the vertical axis; the first end of the hanging rod is movably arranged in the length direction of the fixed arm / movable arm; and the supporting part is arranged at the second end of the lifting rod and extends to the lifting space so as to support the bottom of the transformer coil. The device is widely applied to hoisting and sleeving construction processes of coils in transformer production, is convenient to use and mount, is economical and feasible, and has a wide application prospect.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer coil processing, in particular to a transformer coil set hanger. Background Art

[0002] In recent years, with the continuous development of society, the demand for electricity has continued to increase, the demand for transformers has increased, and the requirements for transformer capacity have become higher and higher. The existing coil lifting device can only be used for coils of a certain specification, and cannot realize the lifting of coils of different specifications and sizes. There are problems such as inconvenient operation, low safety performance, and high production costs. Therefore, it is necessary to design a transformer coil set hoist to meet the needs of various coil sets and hoisting. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a transformer coil set hanger.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a transformer coil set hanger, including a lifting assembly, a hanging rod and a supporting part;

[0005] The lifting assembly comprises at least one fixed arm extending radially along the vertical axis and at least one movable arm extending radially along the vertical axis, the total number of the fixed arms and the movable arms is at least three, and the fixed arms and the movable arms are rotatably connected around the vertical axis; the fixed arm is provided with a lifting connection portion;

[0006] The suspension rods are provided with a plurality of them, and the plurality of suspension rods correspond to the fixed arm and the movable arm one by one respectively, and the plurality of suspension rods are arranged on the peripheral side of the vertical axis, and a suspension space is formed between the plurality of suspension rods; the first end of the suspension rod is movably arranged along the length direction of the fixed arm / movable arm; the distance between the suspension rods can reach a maximum of 2480 mm and a minimum of 780 mm;

[0007] The support portion is arranged at the second end of the suspension rod, and the support portion extends to the suspension space to support the bottom of the transformer coil.

[0008] A further improvement is that the lifting assembly also includes a connecting plate, on which a central shaft is provided, and the central shaft has the vertical axis as its axis; one end of the fixed arm is fixedly connected to the connecting plate, and one end of the movable arm is connected to the central shaft.

[0009] A further improvement is that two fixed arms are provided, and the two fixed arms are coaxially arranged; two movable arms are provided, and the two movable arms are coaxially arranged.

[0010] A further improvement is that the rotation angle of the fixed arm and the movable arm is 36-90 degrees. By adjusting the rotation angle of the fixed arm and the movable arm, the position of the suspension rod can be adjusted to adapt to the lifting of transformer coils of different sizes, which is convenient for construction.

[0011] A further improvement is that a plurality of circular holes are provided on the fixed arm and the movable arm, and the plurality of circular holes are arranged at intervals along the length direction on the fixed arm or the movable arm; and the suspension rod is detachably connected to the circular holes by a shackle.

[0012] A further improvement is that the diameter of the circular holes is 15-20 mm, the hole spacing of the circular holes is 40-60 mm, and the number of the circular holes is 15-20.

[0013] A further improvement is that the support component includes a telescopic hook seat and a telescopic hook, and the telescopic hook seat and the telescopic hook are fixedly connected by screws. The support component is used to drag the bottom end ring of the coil to support the lifting of the coil, and the length of the telescopic hook can be adjusted according to the width of the end ring of different coils.

[0014] A further improvement is that the maximum extension length of the telescopic hook is 400 mm. When the telescopic length needs to be adjusted, the screw on the telescopic hook seat is loosened, the telescopic hook is adjusted to the corresponding required length, and finally the screw is tightened.

[0015] A further improvement is that the transformer coil lifting device also includes a tightening belt, which is wound around the outer periphery of multiple suspension rods. After the lifting assembly, suspension rods and support parts are installed, the tightening belt is used to connect the suspension rods so that the suspension rods are close to the transformer coil, further improving the safety of the coil lifting process.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The lifting device of the utility model is simple to construct and can effectively solve the problem that the existing lifting device can only be used for coils of a certain specification and cannot lift coils of different sizes such as high, medium and low voltage coils of transformers. The lifting device of the utility model is widely used in the lifting and assembly construction process of coils in transformer production. It is easy to use and install, economical and feasible, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0019] Attached Figure 1 The utility model is a schematic diagram of the structure of the transformer coil set hanger.

[0020] Attached Figure 2 It is a top view of the maximum rotation angle of the movable arm and the fixed arm in the transformer coil set hanger of the utility model.

[0021] Attached Figure 3 It is a top view of the minimum rotation angle of the movable arm and the fixed arm in the transformer coil set hanger of the utility model.

[0022] Attached Figure 4 It is an enlarged schematic diagram of the shackle structure in the transformer coil set hanger of the utility model.

[0023] Attached Figure 5 The utility model is a schematic diagram of the structure of the support part of the transformer coil set hanger.

[0024] Attached Figure 6 This is a top view of the structure of the transformer coil set hanger with a total of three movable arms and fixed arms in the utility model.

[0025] Among them: 1. lifting connection part; 2. spindle; 3. shackle; 4. lifting rod; 5. supporting component; 501. telescopic hook seat; 502. telescopic hook; 6. movable arm; 7. fixed arm; 8. round hole; 9. connecting plate. DETAILED DESCRIPTION

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be said to be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The technical solution of the present invention is further explained below in conjunction with the accompanying drawings and embodiments.

[0027] Reference Figure 1 to Figure 3 A transformer coil set lifting device, comprising a lifting assembly, a lifting rod 4 and a supporting portion 5; the lifting assembly comprises at least one fixed arm 7 extending radially along a vertical axis (L) and at least one movable arm 6 extending radially along the vertical axis, the total number of the fixed arms 7 and the movable arms 6 is at least three, and the fixed arms 7 and the movable arms 6 are rotatably connected around the vertical axis; the fixed arm 7 is provided with a lifting connection portion 1;

[0028] The suspension rods 4 are provided with a plurality of them, and the plurality of suspension rods 4 correspond to the fixed arm 7 and the movable arm 6 one by one, respectively. The plurality of suspension rods 4 are arranged around the vertical axis, and a suspension space M is formed between the plurality of suspension rods 4; the first end of the suspension rod 4 is movably arranged along the length direction of the fixed arm 7 / movable arm 6;

[0029] The support portion 5 is disposed at the second end of the suspension rod 4 , and the support portion 5 extends to the suspension space M to support the bottom of the transformer coil.

[0030] During assembly, apply grease inside the spindle 2, and connect the movable arm 6 and the fixed arm 7 through the spindle 2. After assembly, the movable arm 6 and the fixed arm 7 should be in the same horizontal plane without skewing or twisting. Then adjust the distance of the suspension rod 4 according to the diameter of the transformer coil, and control the suspension rod to symmetrically set the center of the hanger. At the same time, adjust the length of the support part 5 according to the width of the bottom end ring of the coil. After lifting the transformer coil set hanger to a certain height through the lifting connection part 1 on the fixed arm 7 by a crane, hang the suspension rod on the outer end of the coil respectively, and the support part 5 extends into the end of the coil, and cannot exceed the direct hole of the paper tube in the coil to avoid blocking the coil set.

[0031] As a preferred embodiment of the utility model, the lifting assembly further includes a connecting plate 9, on which a spindle 2 is provided, and the spindle 2 takes the vertical axis as the axis center; a lifting connection part 1 is provided on the connecting plate 9, and the lifting connection part 1 includes but is not limited to a hook, a lifting ring, etc.; one end of the fixed arm 7 is fixedly connected to the connecting plate 9, and one end of the movable arm 6 is connected to the spindle 2. The arrangement of the connecting plate 9 and the spindle 2 in the lifting assembly can realize the free movement of the movable arm 6, so that the coil can enter the lifting space from the side.

[0032] See also Figure 2-3 As a preferred embodiment of the utility model, the two fixed arms 7 are provided with two, and the two fixed arms 7 are coaxially arranged; the two movable arms 6 are provided with two, and the two movable arms 6 are coaxially arranged. The two fixed arms 7 and the suspension rods 4 thereon form a shape similar to a gantry, and the two movable arms 6 and the suspension rods 4 thereon are also the same; the two movable arms 6 are fixedly connected, and a gap is formed between the two fixed arms 7 for the movable arms 6 to pass through.

[0033] See also Figure 6 As a preferred embodiment of the utility model, the fixed arm 7 is provided with one, the movable arm 6 is provided with two, and the movable arm 6 moves around the mandrel 2. By moving the movable arm 6, the purpose of allowing the coil to enter the hoisting space from the side is achieved.

[0034] As a preferred embodiment of the utility model, the rotation angle of the fixed arm 7 and the movable arm 6 is 36-90 degrees. By adjusting the rotation angle of the fixed arm and the movable arm, the position of the suspension rod can be adjusted to adapt to the lifting of transformer coils of different sizes, which is convenient for construction.

[0035] As a preferred embodiment of the utility model, the fixed arm 7 and the movable arm 6 are both provided with a plurality of circular holes 8, and the plurality of circular holes 8 are arranged at intervals along the length direction on the fixed arm 7 or the movable arm 6; the suspension rod 4 is detachably connected to the circular holes 8 by a shackle 3 。 According to the actual application, the shackle 3 can be selected from American bow shackles, etc. In the application, the distance of the suspension rod 4 is first adjusted according to the coil diameter, and the center of the symmetrical lifting assembly of the suspension rod is controlled, and then the corresponding round hole 8 is selected to hang the shackle 3, and the movable arm 6, the fixed arm 7 and the suspension rod 4 are connected by the shackle 3, and each suspension rod uses 3 shackles.

[0036] As a preferred embodiment of the present invention, the diameter of the circular holes 8 is 15-20 mm, the hole spacing of the circular holes 8 is 40-60 mm, and the number of the circular holes 8 is 15-20.

[0037] As a preferred embodiment of the utility model, the support part 5 includes a telescopic hook seat 501 and a telescopic hook 502, and the telescopic hook seat 501 and the telescopic hook 502 are fixedly connected by screws; the maximum extension length of the telescopic hook 502 is 400mm. After the movable arm 6, the fixed arm 7 and the suspension rod 4 are connected, the length of the telescopic hook 502 is adjusted according to the width of the end circle at the bottom of the coil. After the telescopic hook 502 is extended to the required length, the fastening screw on the telescopic hook seat 501 is slightly tightened.

[0038] As a preferred embodiment of the utility model, the transformer coil set sling also includes a tightening belt, which is wound around the outer periphery of multiple slings. After the lifting assembly, the sling 4 and the support 5 are installed, the tightening belt is used to connect the slings so that the slings are close to the transformer coil. According to the height of the coil, 2 to 3 times are wrapped from bottom to top to finally complete the lifting of the coil.

[0039] In the figure, the description of the positional relationship is only for illustrative purposes and cannot be understood as a limitation of this patent; obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not limitations on the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. A transformer coil set hanger, characterized in that: It includes a lifting assembly, a suspension rod and a support part; The lifting assembly comprises at least one fixed arm extending radially along the vertical axis and at least one movable arm extending radially along the vertical axis, the total number of the fixed arms and the movable arms is at least three, and the fixed arms and the movable arms are rotatably connected around the vertical axis; the fixed arm is provided with a lifting connection portion; The suspension rods are provided with a plurality of them, and the plurality of suspension rods correspond to the fixed arm and the movable arm one by one respectively, and the plurality of suspension rods are arranged around the vertical axis, and a suspension space is formed between the plurality of suspension rods; the first end of the suspension rod is movably arranged along the length direction of the fixed arm / movable arm; The support portion is arranged at the second end of the suspension rod, and the support portion extends to the suspension space to support the bottom of the transformer coil.

2. The transformer coil assembly hanger according to claim 1, characterized in that: The lifting assembly also includes a connecting plate, on which a central shaft is provided, and the central shaft has the vertical axis as its axis center; one end of the fixed arm is fixedly connected to the connecting plate, and one end of the movable arm is connected to the central shaft.

3. The transformer coil assembly hanger as claimed in claim 2, characterized in that: The two fixed arms are provided with two, and the two fixed arms are coaxially arranged; the two movable arms are provided with two, and the two movable arms are coaxially arranged.

4. The transformer coil assembly hanger as claimed in claim 3, characterized in that: The rotation angles of the fixed arm and the movable arm are 36-90 degrees.

5. The transformer coil assembly hanger according to claim 1, characterized in that: The fixed arm and the movable arm are both provided with a plurality of circular holes, and the plurality of circular holes are arranged at intervals along the length direction on the fixed arm or the movable arm; the suspension rod is detachably connected to the circular holes through a shackle.

6. The transformer coil assembly hanger as claimed in claim 5, characterized in that: The diameter of the circular holes is 15-20 mm, the hole spacing of the circular holes is 40-60 mm, and the number of the circular holes is 15-20.

7. The transformer coil assembly hanger according to claim 1, characterized in that: The support part comprises a telescopic hook seat and a telescopic hook, and the telescopic hook seat and the telescopic hook are fixedly connected by screws; the maximum extension length of the telescopic hook is 400mm.

8. The transformer coil assembly hanger according to claim 1, characterized in that: The transformer coil set hanger also includes a tightening belt, which is wound around the outer circumference of the plurality of hangers.

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