Gravity self-tightening core lifter

Abstract

The application relates to a self-gravity tightening core hoist in the technical field of electric reactor processing, which comprises a hoist main body, at least two groups of self-gravity tightening assemblies capable of supporting the edges of a core and capable of clamping the core are arranged on the hoist main body; the self-gravity tightening assembly comprises an upper connecting plate, a lower connecting plate, a hanging plate and a supporting plate, one end of the upper connecting plate and the lower connecting plate is respectively hinged to the hoist main body through a first pin shaft, the other end of the upper connecting plate and the lower connecting plate is respectively hinged to the hanging plate through a second pin shaft, the hinge points at the two ends of the lower connecting plate are all located below the hinge points at the two ends of the upper connecting plate, the supporting plate is fixed to the bottom end of the hanging plate, and the supporting plate has a horizontal supporting surface capable of supporting the edges of the core. The self-gravity tightening core hoist is matched with multiple groups of specially designed self-gravity tightening assemblies, can effectively clamp the core, is stable and reliable in the transfer process, reduces the complicated hooking, tightening, loosening process, and greatly improves the operation efficiency.

Description

Technical Field

[0001] This application relates to the field of reactor processing technology, and in particular to a gravity-driven core lifting device for transporting reactor cores. Background Technology

[0002] Currently, most reactor lifting tools adopt an "L"-shaped lifting tool, which is used in pairs and in conjunction with a crane, sling, shackle, etc., to lift the iron disc in a "△" shaped lifting manner to achieve the purpose of dropping the disc.

[0003] The advantage of this method is its versatility; it is applicable to lifting tools for iron cores and discs of most diameters and heights.

[0004] The disadvantages are: the "△" lifting method requires high reliability of the outer binding straps; additionally, if the core is high, interference may occur between the core column and the lifting straps, necessitating a "tilted and angled lifting" method to complete the stacking operation; safety is relatively poor. Furthermore, additional binding straps are required on the outside of the lifting device during use, resulting in relatively low work efficiency and making it unsuitable for batch operations. Utility Model Content

[0005] The purpose of this application is to provide a gravity-driven core lifting device that is simple in structure, easy to use, and can significantly improve work efficiency.

[0006] To achieve the above objectives, this utility model provides a gravity-forced core lifting device, including a lifting frame body, on which at least two sets of gravity-forced tightening components are provided to support the edge of the core and clamp the core.

[0007] The gravity-driven tightening assembly includes an upper connecting plate, a lower connecting plate, a hanging plate, and a support plate. One end of the upper connecting plate and the lower connecting plate are respectively hinged to the main body of the hanger via a first pin, and the other end of the upper connecting plate and the lower connecting plate are respectively hinged to the hanging plate via a second pin. The hinge points at both ends of the lower connecting plate are located below the hinge points at both ends of the upper connecting plate. The support plate is fixed to the bottom end of the hanging plate and has a horizontal support surface capable of supporting the edge of the iron core.

[0008] To minimize the weight of the entire lifting device, the main body of the lifting frame is a U-shaped structure, including two horizontal planes and an arc-shaped surface connecting the two horizontal planes. One end of the upper connecting plate and the lower connecting plate is hinged to the horizontal plane through a first pin.

[0009] To facilitate the hoisting of the lifting device, at least one set of lifting rings is fixed to the top of the main body of the lifting frame.

[0010] To increase the contact area between the hanging plate and the iron core and ensure the stability of the iron core, the hanging plate has an arc-shaped structure; to facilitate pushing or pulling the hanging plate, a pull ring is fixed on the outer end face of the hanging plate.

[0011] In order to effectively clamp the iron core, the support plate includes a side support plate and a lower support plate. The side support plate is fixed to the inner end face of the hanging plate and can fit against the side wall of the iron core. The lower support plate is fixed to the bottom end face of the hanging plate and has an arc-shaped horizontal support surface that can support the edge of the bottom end face of the iron core.

[0012] To prevent swaying during hoisting, the hoisting plate is equipped with a locking handle that can lock the lower connecting plate and the hoisting plate.

[0013] In summary, this utility model has the following beneficial effects: the self-gravity tightening iron core lifting device, through the cooperation of multiple specially designed self-gravity tightening components, can effectively clamp the iron core, making the transfer process stable and reliable, reducing the cumbersome hooking, binding, and loosening processes, and greatly improving work efficiency. Attached Figure Description

[0014] Figure 1 This is a front view of the gravity-driven core lifting device of this utility model;

[0015] Figure 2 This is a top view of the gravity-driven core lifting device of this utility model;

[0016] Figure 3 yes Figure 1 A magnified view of part A in the diagram. Detailed Implementation

[0017] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0018] In the description of this utility model, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] like Figure 1-3 The illustrated self-gravity tightening iron core lifting device includes a lifting frame body 1. The lifting frame body 1 is provided with at least two sets of self-gravity tightening components that can support the edge of the iron core 12 and clamp the iron core. In this embodiment, two sets of self-gravity tightening components are provided, and the two sets of self-gravity tightening components are symmetrically arranged on both sides of the lifting frame body 1.

[0020] Specifically, the main body 1 of the hanger has a U-shaped structure, including two horizontal surfaces and an arc-shaped surface connecting the two horizontal surfaces. Two sets of self-weight tightening components are symmetrically arranged on the two arc-shaped surfaces. At least one set of lifting rings 10 is fixed at the top of the main body 1. The lifting rings 10 are fixed to the main body 1 of the hanger by nuts 11. The lifting rings 10 are connected to the lifting equipment by nylon ropes 9.

[0021] Specifically, the gravity-operated tightening assembly includes an upper connecting plate 3, a lower connecting plate 4, a hanging plate 8, and a support plate 6. One end of the upper connecting plate 3 and the lower connecting plate 4 are hinged to the main body 1 of the hanger via a first pin 2, enabling relative rotation between the upper connecting plate 3, the lower connecting plate 4, and the main body 1. The other end of the upper connecting plate 3 and the lower connecting plate 4 are hinged to the hanging plate 8 via a second pin 5, enabling relative rotation between the upper connecting plate 3, the lower connecting plate 4, and the hanging plate 8. Simultaneously, the hinge points at both ends of the lower connecting plate 4 are located below the hinge points at both ends of the upper connecting plate 3. The support plate 6 is fixed to the bottom end of the hanging plate 8. The hanging plate 8 has an arc-shaped structure. A pull ring is fixed on the outer end face of the hanging plate 8. A locking handle 7 is provided on the hanging plate 8 to lock the lower connecting plate 4 and the hanging plate 8. The support plate 6 adopts a non-metallic structure to avoid damage to the iron core 12 during clamping. It includes a side support plate and a lower support plate. The side support plate is fixed to the inner end face of the hanging plate 8 and can fit against the side wall of the iron core 12. The lower support plate is fixed to the bottom end face of the hanging plate 8 and has an arc-shaped horizontal support surface that can support the edge of the bottom end face of the iron core 12.

[0022] In this utility model, the U-shaped hanger body 1 mainly plays a supporting role, supporting the self-weight tightening components on both sides, providing basic support, and avoiding interference with the positioning screw during the cake dropping process;

[0023] The upper connecting plate 3 and the lower connecting plate 4 are movable structures. They connect the main body 1 of the hanger to the hanging plate 8 through the shaft pin, and play the role of adjusting the diameter and fixing the hanging plate 8 to be stable when the hanger is under force.

[0024] The hanging plate 8 and the support plate 6 are used to hook the iron core 12. They adopt an arc-shaped plate structure to increase the contact area with the iron core 12 and prevent the iron core 12 from tilting left and right when it is under force, thus maintaining the stability of the iron core 12.

[0025] After the crane is erected and the lifting device is under load, the locking handle 7 is turned to lock the moving parts of the lifting plate 8, thus fixing them in place. This prevents the load from coming off the hook due to external forces during transport, thereby increasing safety.

[0026] After the structure is assembled, the overhead crane provides the lifting force, and the sling connects the overhead crane and the lifting device. After the support plate 6 is under load, the locking handle 7 is turned to lock the lifting device, and the overhead crane can lift directly. The entire transfer process is stable and reliable, reducing the cumbersome hooking, binding, and loosening processes, and greatly improving work efficiency.

[0027] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape, principle and application direction of this application should be covered within the scope of protection of this application.

Claims

1. A gravity-driven core tightening lifting device, comprising a lifting frame body, characterized in that: The main body of the hanger is provided with at least two sets of gravity-tightening components that can support the edge of the iron core and clamp the iron core. The gravity-driven tightening assembly includes an upper connecting plate, a lower connecting plate, a hanging plate, and a support plate. One end of the upper connecting plate and the lower connecting plate are respectively hinged to the main body of the hanger via a first pin, and the other end of the upper connecting plate and the lower connecting plate are respectively hinged to the hanging plate via a second pin. The hinge points at both ends of the lower connecting plate are located below the hinge points at both ends of the upper connecting plate. The support plate is fixed to the bottom end of the hanging plate and has a horizontal support surface capable of supporting the edge of the iron core.

2. The gravity-driven core tightening lifting device according to claim 1, characterized in that: The main body of the hanger is a U-shaped structure, including two horizontal surfaces and an arc-shaped surface connecting the two horizontal surfaces. One end of the upper connecting plate and the lower connecting plate is hinged to the horizontal surface through a first pin.

3. The gravity-driven core tightening lifting device according to claim 2, characterized in that: At least one set of lifting rings is fixed to the top of the main body of the hanger.

4. The gravity-driven core tightening lifting device according to claim 1, characterized in that: The hanging plate has an arc-shaped structure, and a pull ring is fixed on the outer end face of the hanging plate.

5. The gravity-driven core tightening lifting device according to claim 4, characterized in that: The support plate includes a side support plate and a lower support plate. The side support plate is fixed to the inner end face of the hanging plate and can fit against the side wall of the iron core. The lower support plate is fixed to the bottom end face of the hanging plate and has an arc-shaped horizontal support surface that can support the edge of the bottom end face of the iron core.

6. The gravity-driven core tightening lifting device according to claim 1, characterized in that: The hanging plate is equipped with a locking handle that can lock the lower connecting plate and the hanging plate.

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