Transformer shell lifting head
By designing the movable rod, clamping plate, and inner pressure wheel structure of the transformer casing hoisting head, the problems of inconvenience and scratches during casing hoisting were solved, achieving safe and stable hoisting and transfer as well as convenient clamping cancellation.
Patent Information
- Application Number
- CN202520222768.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-12
AI Technical Summary
In the existing technology, it is not convenient to pull out the conveyor belt during the hoisting and transfer of the transformer casing, and it is easy to cause scratches inside the casing. Moreover, it is difficult to remove the limit switch after the casing is installed.
A transformer casing hoisting head was designed, which adopts a combination structure of movable rod, clamping plate, inner pressure wheel and L-shaped hook plate. The inner pressure wheel is driven by clamping screw to cooperate with wedge plate to achieve active clamping of the casing. A soft buffer layer and L-shaped hook plate are provided to ensure safety and stability.
It enables convenient hoisting and transfer of the outer shell, ensuring the safety and stability of the transfer process. At the same time, it is easy to remove the clamps after the shell is installed, avoiding scratches and shaking of the outer shell.
Smart Images
Figure CN223722549U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer processing technical field especially relates to a transformer shell hoisting head. BACKGROUND
[0002] When dry-type transformer is processed, the high-voltage winding shell and the low-voltage winding shell are usually formed by injection molding, and after the injection molding is completed, the shells are sleeved on the iron core, and during the sleeving, the crane transfer hoisting mode is currently adopted, and the crane and the shell are connected by two cloth belts, and the cloth belts are usually bound on the shell first, and this mode has the problem that it is inconvenient to extract the cloth belts after the sleeving is completed, and during the extraction process, scratches are easily caused inside the shell due to tilting and other reasons, and the current practice is to sleeve a buffer bag outside the iron core and then perform the sleeving operation. SUMMARY
[0003] The utility model provides a kind of transformer shell hoisting head to solve the deficiency of above-mentioned prior art, solve the problem of inconvenient shell hoisting transfer, and it is convenient to cancel the limitation of shell after sleeving is completed.
[0004] In order to achieve the purpose of the utility model, the following technologies are proposed:
[0005] A transformer shell hoisting head, comprising an upper plate, two pairs of guide holes are symmetrically formed on the upper plate, a movable rod is movably arranged in the guide hole, a connecting rod is arranged at the lower end of the movable rod, an outer flange plate is mounted on the lower end of the connecting rod by bolts, a clamping plate is welded on the inner side of the outer flange plate, the inner wall of the clamping plate matches the outer shape of the transformer shell, a T-shaped plate is mounted on the upper end of each pair of movable rods by a locking nut, a wedge-shaped plate is arranged on the inner side of the T-shaped plate, the outer wall of the wedge-shaped plate is inclined, the upper end of the inclined surface extends inward, an inner pressure wheel is tangentially arranged on the inclined surface, a plurality of vertical rods are mounted on the upper plate, a top plate is welded on the upper end of the vertical rod, a lifting ring is welded on the top plate, a moving seat is sleeved on the vertical rod, a clamping lead screw is connected to the moving seat by threads, a rotating head is arranged at the upper end of the clamping lead screw, the lower end of the clamping lead screw is rotatably arranged on the upper plate, a pair of limiting nuts are arranged at the lower end of the clamping lead screw, the limiting nuts are arranged on the upper and lower sides of the upper plate, a pair of clamping flanges are arranged on the two sides of the moving seat, the inner pressure wheel is rotatably arranged on the outer side of the clamping flange, the moving seat can be moved by rotating the clamping lead screw, so that the outer circumference of the inner pressure wheel acts on the inclined surface, and then the T-shaped plate and the clamping plate move outward simultaneously, thereby achieving the clamping of the shell, and the clamping can be easily canceled after the sleeving is completed, and the shell will not move when the clamping is canceled.
[0006] Further, a soft buffer layer is arranged on the inner wall of the clamping plate to improve the friction between the clamping plate and the shell, and also improve the safety and stability during transfer.
[0007] Further, the lifting ring is in U-shaped structure, so as to facilitate the hooking of the lifting hook on the crane on the lifting ring.
[0008] Further, a pair of installation bottom plates are installed on the upper plate through screws, a pair of capped pins are arranged on the installation bottom plates, movable blocks are movably arranged on the capped pins, springs are sleeved on the lower ends of the capped pins and located between the movable blocks and the installation bottom plates, hinged lugs are arranged on the movable blocks, L-shaped hook plates are hinged to the outer ends of the hinged lugs, the horizontal sections of the L-shaped hook plates are hooked on the lower ends of the transformer shell, so as to further ensure the safety during transfer, and the L-shaped hook plates can be outwardly rotated during sleeving, so as to avoid the inconvenience of taking out the lower ends of the L-shaped hook plates after sleeving.
[0009] The above technical scheme has the advantages of:
[0010] The utility model discloses convenient for the hoisting transfer of shell, can ensure safety during transfer, and convenient for cancelling connection after transfer. DRAWINGS
[0011] In order to make the purpose, technical scheme and advantage of the utility model more clear, the utility model will be described in further detail below with the drawings.
[0012] Fig. 1 A perspective view of one embodiment is shown.
[0013] Fig. 2 An enlarged view of A is shown.
[0014] Fig. 3 An enlarged view of B is shown. DETAILED DESCRIPTION
[0015] As shown in Figs. 1-3 A transformer shell hoisting head, comprising an upper plate 1, two pairs of guide holes 10 are symmetrically arranged on the upper plate 1. A movable rod 32 is movably arranged in the guide hole 10, a connecting rod 33 is arranged at the lower end of the movable rod 32, an outer lug 34 is arranged at the lower end of the connecting rod 33 through a bolt, a clamping plate 35 is welded to the inner side end of the outer lug 34, the inner wall of the clamping plate 35 matches the outer shape of the transformer shell, and a soft buffer layer is arranged on the inner wall of the clamping plate 35.
[0016] The upper end of each pair of movable rods 32 is provided with a T-shaped plate 31 through a locking nut, the inner end of the T-shaped plate 31 is provided with a wedge-shaped plate 3, the outer wall of the wedge-shaped plate 3 is a slope 30, the upper end of the slope 30 extends inwardly and obliquely, the slope 30 is provided with an inner pressure wheel 27 tangentially, a plurality of vertical rods 2 are installed on the upper plate 1, the upper end of each vertical rod 2 is welded with a top plate 20, the top plate 20 is welded with a lifting ring 21, the lifting ring 21 has a U-shaped structure. In use, the hook of the travelling crane is hooked on the lifting ring 21, a moving seat 24 is sleeved on the vertical rod 2, a clamping screw rod 22 is connected with the moving seat 24 through a thread, the upper end of the clamping screw rod 22 is provided with a rotating head 23, the lower end of the clamping screw rod 22 is rotatably arranged on the upper plate 1, the lower end of the clamping screw rod 22 is provided with a pair of limiting nuts 25, the limiting nuts 25 are arranged on the upper plate 1 on both sides, a pair of clamping convex plates 26 are arranged on both sides of the moving seat 24, and the inner pressure wheel 27 is rotatably arranged on the outer end of the clamping convex plate 26.
[0017] A pair of installation bottom plates 4 are installed on the upper plate 1 through screws, the installation bottom plates 4 are provided with a pair of capped pins 40, the capped pins 40 are movably provided with movable blocks 41, the lower end of the capped pins 40 is sleeved with springs 42, the springs 42 are located between the movable blocks 41 and the installation bottom plates 4, the movable blocks 41 are provided with hinged convex plates 43, the outer end of the hinged convex plates 43 is hingedly provided with L-shaped hook plates 44, and the horizontal section of the L-shaped hook plates 44 is hooked on the lower end of the transformer shell.
[0018] In the embodiment, when the shell is transferred, the lifting head is first transferred to the upper side of the shell through the travelling crane, then the lifting head is moved downward, and the upper plate 1 is placed on the upper end of the shell.
[0019] Then, the operator rotates the clamping screw rod 22 through the rotating head 23, the rotation of the clamping screw rod 22 moves the moving seat 24 downward, and the moving seat 24 moves downward to drive the inner pressure wheel 27, so that the inner pressure wheel 27 acts on the slope 30 of the wedge-shaped plate 3, so that the clamping plate 35 connected with the wedge-shaped plate 3 moves outward, and finally the clamping of the shell is completed through the clamping plate 35. This clamping method is driven in an active manner, which is convenient for clamping the shell, and can avoid the shell from shaking during clamping. When the shell is clamped through the clamping plate 35, the L-shaped hook plate 44 is again turned inward to hook the lower end of the L-shaped hook plate 44 on the lower end of the shell, and after the hooking is completed, the spring 42 is in a compressed state, so as to ensure the stability of the hooking of the L-shaped hook plate 44. When the shell is transferred, the L-shaped hook plate 44 is first pressed downward and then turned outward, and after the shell is sleeved, the clamping of the shell is cancelled.
[0020] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application claims and their equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. A transformer tank hoisting head, characterized in that, The upper plate (1) is provided with two pairs of guide holes (10) symmetrically; The guide hole (10) is movably provided with a movable rod (32), the lower end of the movable rod (32) is provided with a connecting rod (33), the lower end of the connecting rod (33) is provided with an outer convex plate (34) through a bolt, the inner side end of the outer convex plate (34) is welded with a clamping plate (35), the inner wall of the clamping plate (35) matches the shape of the transformer shell; The upper end of each pair of movable rods (32) is provided with a T-shaped plate (31) through a locking nut, the inner side end of the T-shaped plate (31) is provided with a wedge-shaped plate (3), the outer wall of the wedge-shaped plate (3) is a slope (30), the upper end of the slope (30) extends inwardly and obliquely, the slope (30) is tangent to an inner pressure wheel (27), the upper plate (1) is provided with a plurality of vertical rods (2), the upper end of the vertical rod (2) is welded with a top plate (20), the top plate (20) is welded with a lifting eye (21), the vertical rod (2) is provided with a moving seat (24), the moving seat (24) is provided with a clamping lead screw (22) through a thread, the upper end of the clamping lead screw (22) is provided with a rotating head (23), the lower end of the clamping lead screw (22) is rotatably provided on the upper plate (1), the lower end of the clamping lead screw (22) is provided with a pair of limiting nuts (25), the limiting nuts (25) are located on the upper and lower sides of the upper plate (1), the two sides of the moving seat (24) are respectively provided with a pair of clamping convex plates (26), and the inner pressure wheel (27) is rotatably provided on the outer side end of the clamping convex plate (26).
2. The transformer tank hoist head according to claim 1, characterized in that The inner wall of the clamping plate (35) is provided with a soft buffer layer.
3. The transformer tank hoist head of claim 1, wherein, The lifting eye (21) is in a U-shaped structure.
4. The transformer tank hoist head of claim 1, wherein, The upper plate (1) is provided with a pair of mounting bottom plates (4) through screws, the mounting bottom plate (4) is provided with a pair of capped pins (40), the capped pin (40) is movably provided with a movable block (41), the lower end of the capped pin (40) is provided with a spring (42), the spring (42) is located between the movable block (41) and the mounting bottom plate (4), the movable block (41) is provided with a hinged convex plate (43), the outer side end of the hinged convex plate (43) is hinged with an L-shaped hook plate (44), and the horizontal section of the L-shaped hook plate (44) is hooked on the lower end of the transformer shell.