Anti-falling lifting hook for lifting
By designing a limiting rod and docking hole structure for the anti-detachment hook, the problem of hook detachment during crankshaft hoisting was solved, achieving safety and reliability during the hoisting process.
Patent Information
- Application Number
- CN202520383599.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-06
AI Technical Summary
During crankshaft hoisting, existing technologies are insufficient to effectively prevent damage caused by hook detachment.
An anti-detachment hook was designed, including a crossbeam, lifting ring, winch, wire rope, rectangular rod, hook and anti-detachment mechanism. The hook does not fall off during the lifting process by the cooperation of the limiting rod and the docking hole.
It effectively prevents the crankshaft from falling off during hoisting, protects the crankshaft from damage, and improves the safety and reliability of hoisting.
Smart Images
Figure CN223722569U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a crankshaft hoisting technical field especially relates to a prevent lifting hook of lifting use. BACKGROUND
[0002] The crankshaft is the most important component in the engine. It bears the force from the connecting rod and converts it into torque to drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of rotating mass, periodically changing gas inertia force and reciprocating inertia force, so that the crankshaft bears bending and torsional load. Therefore, the crankshaft requires sufficient strength and stiffness, the journal surface needs to be wear-resistant, uniform in work and good in balance. When the crankshaft is produced and processed, it is usually hoisted and carried. In order to prevent damage during hoisting, a prevent lifting hook of lifting use is needed. SUMMARY
[0003] The utility model discloses a prevent lifting hook of lifting use to solve the problem that the crankshaft is usually hoisted and carried during production and processing, and damage is prevented during hoisting.
[0004] To achieve the above object, the utility model provides the following technical scheme: a prevent lifting hook of lifting use, including the crossbeam, the top of crossbeam is connected with the lifting ring fixedly, the top of crossbeam is connected with the winch fixedly, the outside of winch is rolled with the wire rope, the bottom of crossbeam is connected with the connecting column fixedly, one end of connecting column is connected with the rectangular rod fixedly, one end of rectangular rod is connected with the lifting hook fixedly, the outside of lifting hook is provided with the anti -drop mechanism, the anti -drop mechanism includes the butt joint hole, the connecting sleeve, the connecting ring, the limiting rod, the butt joint column and the unhooking, one end of lifting hook is set up the butt joint hole, the outside of rectangular rod is connected with the connecting sleeve slidingly, the outside of connecting sleeve is connected with the limiting rod fixedly, the top of limiting rod is connected with the connecting ring fixedly, one end of limiting rod is connected with the butt joint column fixedly, one end of wire rope is connected with the unhooking.
[0005] Preferably, the wire rope is connected with the connecting ring at the top of the limiting rod through the unhooking.
[0006] Preferably, the inner wall of the connecting sleeve is fitted with the outer wall of the rectangular rod.
[0007] Preferably, the limiting rod is slidingly connected with the rectangular rod through the connecting sleeve.
[0008] Preferably, the inner wall of the butt joint hole is matched with the outer wall of the butt joint column.
[0009] Preferably, the lifting ring and the winch are both provided with two.
[0010] Compared with the prior art, the beneficial effects of the utility model are that: the lifting hook is used for preventing the crankshaft from falling off, when the crankshaft is lifted, the winch is started first, the steel wire rope is wound, the steel wire rope is connected with the connecting ring on the top of the limiting rod through the unloading buckle, when the steel wire rope is wound, the limiting rod is pulled to slide upward, the inner wall of the connecting sleeve is combined with the outer wall of the rectangular rod, which can prevent the position of the limiting rod from deviating, the crankshaft is placed in the inner side of the lifting hook, then the steel wire rope is unwound, the limiting rod is slid downward until the butt joint column at one end of the limiting rod is inserted into the butt joint hole at one end of the lifting hook, so that the opening of the lifting hook is closed, the effect of preventing the crankshaft from falling off can be achieved when the crankshaft is lifted. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is the schematic diagram of the appearance structure of the utility model;
[0012] Figure 2 is the schematic diagram of the appearance structure of the utility model;
[0013] Figure 3 is the schematic diagram of the appearance structure of the utility model;
[0014] Figure 4 is the schematic diagram of the appearance structure of the utility model.
[0015] In the drawing: 1, crossbeam; 2, lifting ring; 3, winch; 4, steel wire rope; 5, connecting column; 6, rectangular rod; 7, lifting hook; 8, butt joint hole; 9, connecting sleeve; 10, connecting ring; 11, limiting rod; 12, butt joint column; 13, unloading buckle. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0017] It should be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions of the embodiments of the application, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the application, should still fall within the scope of the technical content disclosed by the application.
[0018] EMBODIMENT
[0019] Please refer to Figures 1-4The utility model discloses a prevent the utility model discloses a prevent -detaching lifting hook that is lifted: including crossbeam 1, the top fixed connection of crossbeam 1 has the lifting ring 2, the top fixed connection of crossbeam 1 has winch 3, the outside winding of winch 3 has steel wire rope 4, the bottom fixed connection of crossbeam 1 has connecting column 5, one end fixed connection of connecting column 5 has rectangle pole 6, one end fixed connection of rectangle pole 6 has lifting hook 7, the outside of lifting hook 7 is provided with prevent -detaching mechanism, and prevent -detaching mechanism includes butt joint hole 8, connecting sleeve 9, connecting ring 10, limit rod 11, butt joint column 12 and unhook 13, and one end of lifting hook 7 is provided with butt joint hole 8, and the outside sliding connection of rectangle pole 6 has connecting sleeve 9, and the outside fixed connection of connecting sleeve 9 has limit rod 11, and the top fixed connection of limit rod 11 has connecting ring 10, and one end fixed connection of limit rod 11 has butt joint column 12, and one end of steel wire rope 4 is connected with unhook 13, when lifting the crankshaft, lifting ring 2 is connected on the crane, first start winch 3, winding steel wire rope 4, and steel wire rope 4 is connected with the connecting ring 10 on the top of limit rod 11 through unhook 13, when winding steel wire rope 4, limit rod 11 is slid upward, and the inner wall of connecting sleeve 9 and the outer wall of rectangle pole 6 are attached, and the position deviation of limit rod 11 can be prevented, the crankshaft is placed in the inside of lifting hook 7, then unwinds steel wire rope 4, and limit rod 11 slides downward, until the butt joint column 12 of one end of limit rod 11 is inserted in the butt joint hole 8 of one end of lifting hook 7, to close the opening of lifting hook 7, can play the effect of preventing the detachment of the crankshaft when lifting.
[0020] In order to facilitate hoisting, the connecting ring 10 on the top of the limit rod 11 is connected with the unhook 13.
[0021] In order to facilitate hoisting, the inner wall of the connecting sleeve 9 and the outer wall of the rectangle pole 6 are attached.
[0022] In order to facilitate hoisting, the limit rod 11 is slidably connected to the rectangle pole 6 through the connecting sleeve 9.
[0023] In order to facilitate hoisting, the inner wall of the butt joint hole 8 and the outer wall of the butt joint column 12 are adapted.
[0024] In order to facilitate hoisting, the lifting ring 2 and the winch 3 are both provided with two.
[0025] Working principle: when the crankshaft is hoisted, first start the winch 3, winding the steel wire rope 4, and the steel wire rope 4 is connected with the connecting ring 10 on the top of the limiting rod 11 through the unloading buckle 13, when winding the steel wire rope 4, the limiting rod 11 is pulled to slide upward, the inner wall of the connecting sleeve 9 is fitted with the outer wall of the rectangular rod 6, which can prevent the position deviation of the limiting rod 11, the crankshaft is placed in the inside of the lifting hook 7, then the steel wire rope 4 is unwound, so that the limiting rod 11 slides downward, until the butt joint column 12 at one end of the limiting rod 11 is inserted into the butt joint hole 8 at one end of the lifting hook 7, so as to close the opening of the lifting hook 7, which can prevent the crankshaft from falling off during hoisting, the model of the winch 3 is JM2T.
[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A non-drop lifting hook for lifting, comprising a crosspiece (1), characterised in that: The top of the crossbeam (1) is fixedly connected with a lifting ring (2), the top of the crossbeam (1) is fixedly connected with a winch (3), the outer side of the winch (3) is wound with a steel wire rope (4), the bottom of the crossbeam (1) is fixedly connected with a connecting column (5), one end of the connecting column (5) is fixedly connected with a rectangular rod (6), one end of the rectangular rod (6) is fixedly connected with a lifting hook (7), the outer side of the lifting hook (7) is provided with an anti-dropping mechanism, the anti-dropping mechanism comprises a butt joint hole (8), a connecting sleeve (9), a connecting ring (10), a limiting rod (11), a butt joint column (12) and a shackle (13), one end of the lifting hook (7) is provided with the butt joint hole (8), the outer side of the rectangular rod (6) is slidably connected with the connecting sleeve (9), the outer side of the connecting sleeve (9) is fixedly connected with the limiting rod (11), the top of the limiting rod (11) is fixedly connected with the connecting ring (10), one end of the limiting rod (11) is fixedly connected with the butt joint column (12), one end of the steel wire rope (4) is connected with the shackle (13).
2. The anti-drop lifting hook according to claim 1, characterized in that: The steel wire rope (4) is connected with the connecting ring (10) at the top of the limiting rod (11) through the shackle (13).
3. The anti-drop lifting hook according to claim 1, characterized in that: The inner wall of the connecting sleeve (9) is attached to the outer wall of the rectangular rod (6).
4. The anti-drop lifting hook according to claim 1, characterized in that: The limiting rod (11) is slidably connected with the rectangular rod (6) through the connecting sleeve (9).
5. The anti-drop lifting hook according to claim 1, characterized in that: The inner wall of the butt joint hole (8) is matched with the outer wall of the butt joint column (12).
6. The anti-drop lifting hook according to claim 1, characterized in that: The lifting ring (2) and the winch (3) are both provided with two.