Lifting hook for disassembling and assembling oil cylinder

By designing a hydraulic cylinder disassembly and assembly hook, the problem of unstable hoisting during the disassembly of the hydraulic cylinder of a large axial flow compressor was solved, achieving stability and safety of the hydraulic cylinder during the hoisting process.

CN223950590UActive Publication Date: 2026-02-27BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202520713362.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-02-27
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

During the disassembly of the stator cylinder of a large axial compressor, space constraints prevent direct hoisting, which can cause the cylinder to be thrown out or damaged. In addition, the different widths of different cylinders result in poor stability and pose safety hazards.

Method used

Design a hydraulic cylinder disassembly and assembly hook, including a base plate, mounting plate, base rod, top rod, adjusting plate, and mounting bracket. The width of the adjusting plate is adjusted and fixed to ensure that the hydraulic cylinder does not swing during the lifting process. A rectangular structure and reinforcing plate are used to improve stability.

Benefits of technology

This improves the stability and safety of hydraulic cylinder lifting, avoids damage and swaying of the hydraulic cylinder during the lifting process, and ensures the safety and stability of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The lifting hook comprises a bottom plate, mounting plates, a bottom rod, an ejector rod, an adjusting plate and a mounting frame, the bottom plate is of a rectangular structure, a strip-shaped groove of a penetrating structure is formed in the inner side of the bottom plate, the mounting plates are welded to the two sides of the upper end of the bottom plate, the bottom rod is welded to the lower side between the two mounting plates, and the ejector rod is welded to the lower side between the two mounting plates. And a top rod is arranged at the position, above the bottom rod, between the two mounting plates. The mounting frames are welded to the two sides of the upper end of the bottom plate, the ropes at the top ends of the mounting frames are converged, the hooks on the two sides of the lower end of the bottom plate do not swing in the process of lifting the oil cylinder, the lifting stability of the oil cylinder is improved, the two adjusting plates at the upper ends of the hooks can be adjusted according to the width of the oil cylinder, and the practicability is high. And after the width is adjusted, the oil cylinder is hoisted, and the oil cylinder does not swing, so that the oil cylinder is relatively stable when being hoisted, the condition of damage caused by swinging is avoided, and the safety is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil cylinder hoisting technical field, concretely is a kind of oil cylinder dismounting lifting hook. BACKGROUND

[0002] At present, in the static vane oil cylinder dismounting of large axial flow compressor, fan static vane servo mechanism is two horizontal oil cylinders, respectively installed in fan lower cylinder junction surface both sides.In the disassembly during this overhaul, it is found that, due to space limitation, it cannot be directly hoisted (the oil cylinder lifting point and the steel wire rope are not in the same straight line), to prevent oil cylinder from being thrown out during hoisting, it needs to be slowly loosened after being forcibly restricted by multiple people with crowbar, until the hoisting object and the hook center are in the same straight line.Due to the weight of two static vane servo cylinders, forcibly oblique tension can cause damage to oil cylinder positioning disc and positioning pin, even destroy, and there is great safety hazard, especially different oil cylinder width is different, adjust by single rope, not only poor stability, but also easy to swing when lifting, therefore, the utility model provides a kind of oil cylinder dismounting lifting hook for solving the above problems. SUMMARY

[0003] The utility model aims at providing a kind of oil cylinder dismounting lifting hook to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of oil cylinder dismounting lifting hook, including bottom plate, mounting plate, bottom rod, top rod, adjusting plate and mounting frame, the bottom plate is rectangular structure, and is equipped with the strip slot of being in the form of through structure in bottom plate inner side, the bottom plate upper end both sides are all welded with mounting plate, bottom rod is welded in the lower side between two mounting plates, top rod is equipped with in the position above bottom rod between two mounting plates, and the limiting hole in the form of through structure is all equipped with in top rod both sides;

[0005] Adjusting plate is equipped with two in the form of symmetry in the bottom rod and top rod, and two adjusting plates are all slidably connected with bottom rod and top rod, the positioning bolt of two adjusting plate upper end front side is in limiting hole, and the hook is rotatably connected to the hook by connecting rope at adjusting plate bottom end;

[0006] Mounting frame is welded in the bottom plate upper end both sides, and the lifting ring is equipped at the top of mounting frame, and two lifting rings are connected by lifting cable, and the top point of two lifting cables converges and is connected to connecting ring.

[0007] As a preferred embodiment of the utility model, a space is provided between the bottom end face of the adjusting plate and the upper end face of the bottom plate.

[0008] As a preferred embodiment of the utility model, the bottom rod and the top rod are both rectangular structures, and the surfaces of the bottom rod and the top rod are both smooth structures.

[0009] As one preferred of the utility model, the hook inner side upper end is equipped with a groove.

[0010] As one preferred of the utility model, the bottom plate and the mounting frame inner side are welded with a reinforcing plate, and the reinforcing plate is a triangular structure.

[0011] As one preferred of the utility model, the bottom plate and the reinforcing plate of the mounting frame inner side are equipped with two groups in front and back.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a mounting frame is welded on the both sides of the upper end of the bottom plate, the rope converges at a point at the top end of the mounting frame, and the hooks on the both sides of the lower end of the bottom plate do not swing during the process of lifting the oil cylinder, thereby improving the stability of the oil cylinder lifting.

[0014] 2. The two adjusting plates on the upper end of the hook can be adjusted according to the width of the oil cylinder, and after adjusting the width, the oil cylinder is lifted, and the oil cylinder does not swing, so that the oil cylinder is more stable during lifting, avoids damage due to swinging, and ensures safety. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic view of the utility model;

[0016] Fig. 2 It is the bottom plate and mounting frame connecting structure right view of the utility model;

[0017] Fig. 3 It is the adjusting plate and positioning bolt exploded structure schematic view of the utility model.

[0018] In the drawing: 1, bottom plate;2, strip slot;3, mounting plate;4, bottom rod;5, top rod;6, limit hole;7, adjusting plate;8, positioning bolt;9, connecting rope;10, hook;11, mounting frame;12, lifting ring;13, sling;14, connecting ring. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the following is combined with the drawing and example, and the utility model is further described in detail. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, in the description of the utility model, in addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, in the description of the utility model, in addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] Embodiment: as Figs. 1-3 The utility model provides a technical scheme: including bottom plate 1, mounting plate 3, bottom rod 4, top rod 5, adjusting plate 7 and mounting frame 11, bottom plate 1 is rectangular structure, and is set up with the strip groove 2 of the through structure in the inside of bottom plate 1, both sides of bottom plate 1 upper end are welded with mounting plate 3, and the bottom rod 4 of welding is located between two mounting plates 3 downside, and the top rod 5 of being provided with between two mounting plates 3 is located above bottom rod 4 position, and is set up with the limiting hole 6 of the through structure in the both sides of top rod 5;

[0023] The above-mentioned content can adjust the distance of the two adjusting plates according to the width of the oil cylinder to adapt to oil cylinders of different sizes, thereby improving the use range.

[0024] Adjusting plate 7 is provided on bottom rod 4 and top rod 5, and adjusting plate 7 is provided with two symmetrical structures, two adjusting plates 7 are slidably connected with bottom rod 4 and top rod 5, positioning bolt 8 on the front side of the upper end of two adjusting plates 7 is located in limiting hole 6, and adjusting plate 7 bottom end is rotatably connected to hook 10 through connecting rope 9;

[0025] The above-mentioned content two adjusting plates are fixed by fixing bolts after width adjustment, which increases the firmness of the adjusting plate, avoids the swinging of the oil cylinder during lifting, and improves the stability.

[0026] Two mounting racks 11 are welded on both sides of the upper end of the base plate 1, and a lifting ring 12 is arranged at the top end of each mounting rack 11; the two lifting rings 12 are connected by a sling 13, and the top points of the two slings 13 converge at a point and are connected to a connecting ring 14.

[0027] The above is to lift the overall structure, and since the base plate has a rectangular structure, the stability is relatively high during lifting, and the oil cylinder will not swing.

[0028] A gap is arranged between the bottom end surface of the adjusting plate 7 and the upper end surface of the base plate 1, so as to avoid scratching between the adjusting plate and the base plate during movement.

[0029] The bottom rod 4 and the top rod 5 are both rectangular structures, and the surfaces of the bottom rod 4 and the top rod 5 are smooth structures, so as to reduce the friction of the adjusting plate during movement and make the adjusting plate slide smoothly.

[0030] A groove is arranged at the inner upper end of the hook 10, so as to play a role of firm hanging.

[0031] A reinforcing plate is welded between the base plate 1 and the inner side of the mounting rack 11, and the reinforcing plate has a triangular structure, so as to increase the firmness between the base plate and the mounting rack and improve the safety.

[0032] The reinforcing plate between the base plate 1 and the inner side of the mounting rack 11 has two groups arranged in front and back, so as to improve the overall firmness and ensure safety.

[0033] Working principle:

[0034] During use, the distance between the two adjusting plates 7 is adjusted according to the width of the oil cylinder, the adjusting plates 7 slide on the bottom rod 4 and the top rod 5, and the adjusting plates 7 are fixed by the positioning bolts 8, then the two hooks 10 are installed on the oil cylinder, the connecting ring 14 is connected by a lifting machine, and lifting is performed; during lifting, the oil cylinder will not swing due to the distance between the two adjusting plates 7, and the oil cylinder is relatively stable during lifting, so the overall lifting stability is relatively high, and the oil cylinder will not be damaged, which is relatively safe.

[0035] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. An oil cylinder dismounting lifting hook, comprising a bottom plate (1), a mounting plate (3), a bottom rod (4), a top rod (5), an adjusting plate (7) and a mounting frame (11), characterized in that: the bottom plate (1) is of a rectangular structure, and a strip-shaped slot (2) of a through structure is formed in the inner side of the bottom plate (1); the mounting plate (3) is welded on both sides of the upper end of the bottom plate (1); the bottom rod (4) is welded on the lower side between the two mounting plates (3); the top rod (5) is arranged above the bottom rod (4) between the two mounting plates (3); and limiting holes (6) of a through structure are formed on both sides of the top rod (5); the adjusting plate (7) is arranged through the bottom rod (4) and the top rod (5); the adjusting plate (7) is of a symmetrical structure and has two adjusting plates (7); the two adjusting plates (7) are slidably connected with the bottom rod (4) and the top rod (5); the positioning bolt (8) on the front side of the upper end of the two adjusting plates (7) is located in the limiting hole (6); and the bottom end of the adjusting plate (7) is rotatably connected with the hook (10) through the connecting rope (9); the mounting frame (11) is welded on both sides of the upper end of the bottom plate (1); the mounting frame (11) is provided with a lifting ring (12) at the top end; the two lifting rings (12) are connected through lifting ropes (13); and the top points of the two lifting ropes (13) converge at a point and are connected with a connecting ring (14).

2. The hook of claim 1, wherein: The bottom end face of the adjusting plate (7) and the upper end face of the bottom plate (1) are spaced apart.

3. The hook of claim 1, wherein: The bottom rod (4) and the top rod (5) are of a rectangular structure, and the surfaces of the bottom rod (4) and the top rod (5) are smooth.

4. The hook of claim 1, wherein: The inner side of the hook (10) is provided with a groove at the upper end.

5. The hook of claim 1, wherein: The inner sides of the bottom plate (1) and the mounting frame (11) are welded with reinforcing plates, and the reinforcing plates are of a triangular structure.

6. The hook of claim 1, wherein: The reinforcing plates on the inner sides of the bottom plate (1) and the mounting frame (11) are provided with two groups of front and rear reinforcing plates.