A new type of anti-tripping device for a travelling crane hook
Patent Information
- Application Number
- CN202522490893.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-24
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-11-24
AI Technical Summary
[0003]现有行车(起重设备)吊钩防脱扣大部分采用舌片式保险卡扣,在使用过程中易变形左右晃动偏离主钩导致重物坠落,造成人员伤亡与设备损坏,防脱扣装置可靠性不足、易磨损变形
为解决上述问题,设计一种行车吊钩新型防脱扣装置,用于行车吊钩防脱使用,降低应行车吊重物脱口引发的人员伤亡与设备损坏,减少现场安全隐患。
Smart Images

Figure CN224900647U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of anti-disengagement devices, and more specifically to the technical field of a novel anti-disengagement device for crane hooks. Background Technology
[0002] Modern food manufacturing enterprises commonly use machinery to improve production efficiency, often requiring overhead cranes. These cranes typically refer to bridge cranes that run on fixed tracks above workshops and warehouses, commonly known as "overhead cranes." The hook is the component of a crane that directly suspends and hooks heavy objects; it is the most basic and commonly used lifting device on a crane. The crane hook usually refers to the hook assembly on a bridge crane (overhead gantry crane) used for lifting heavy objects.
[0003] Most existing crane (lifting equipment) hook anti-disengagement devices use tongue-type safety clips, which are prone to deformation and swaying from side to side during use, causing the load to fall and resulting in personal injury and equipment damage. The anti-disengagement devices are unreliable and easily wear and deform. Utility Model Content
[0004] The purpose of this utility model is to provide a novel anti-disengagement device for crane hooks in order to solve the above-mentioned technical problems.
[0005] To achieve the above objectives, this utility model specifically adopts the following technical solution: This utility model provides a novel anti-disengagement device for crane hooks, including a Y-shaped groove structure. The Y-shaped groove structure includes a hook baffle body, which is a Y-shaped plate. Irregularly shaped side baffles with the same structure are provided on both sides of the Y-shaped plate. A limiting structure for restricting the swaying of the hook head is provided in the groove in the middle of the Y-shaped plate. The two irregularly shaped side baffles and the limiting structure are located on the same side of the Y-shaped plate.
[0006] Specifically, the old-style anti-derailment buckle has a tongue-type structure, which can wobble from side to side and deviate from the main hook, causing it to fail. The new-style anti-derailment buckle has a Y-shaped groove structure, which prevents the buckle from wobbling from side to side when released, effectively preventing the lifted object from falling due to deviation.
[0007] In one embodiment, each irregular side baffle includes a square plate and a triangular plate. One side of the square plate is disposed on the side wall of the straight side section of the Y-shaped plate, and one side of the triangular plate is disposed on the outer side wall of one inclined side section of the Y-shaped plate. The square plate and the triangular plate belonging to the same irregular side baffle are located on the same side of the Y-shaped plate.
[0008] Specifically, the release buckle side adopts a triangular diagonal brace structure, which makes its overall stress more stable.
[0009] In one implementation, the second side of the triangle is connected to one side of the square, and the two are flush in width.
[0010] In one embodiment, the square plate and the Y-shaped plate are arranged orthogonally; the triangular plate and the Y-shaped plate are arranged orthogonally. A curved transition is provided at the connection between the square panel and the Y-shaped panel; The connection between the triangle plate and the Y-shaped plate is provided with an arc transition.
[0011] In one embodiment, the height of the square plate is the same as the length of the straight edge of the Y-shaped plate, and the top corner of the square plate on the side away from the Y-shaped plate is provided with an arc transition. The length of the hypotenuse of the Y-shaped plate is the same as the length of the side of the triangle plate that contacts the Y-shaped plate, and the two ends are aligned. The apex of the triangle plate, which is away from the square plate, has an arc-shaped transition.
[0012] In one implementation, there is a folding angle between the triangular plate and the square plate.
[0013] In one embodiment, each of the two square plates has a through-hole at a corresponding position, and the diameter of the through-hole is 8.1 mm.
[0014] In one embodiment, the limiting structure includes two identical connecting plates disposed on the inner sides of the two inclined sections of the Y-shaped plate, and an arc-shaped plate connected to the two connecting plates, the arc-shaped plate protruding away from the Y-shaped plate.
[0015] In one embodiment, the connecting plate is a wedge-shaped plate, and the width of the wedge-shaped plate gradually increases on the side of the straight edge away from the Y-shaped plate.
[0016] In one implementation, both connecting plates are perpendicular to the Y-shaped plate.
[0017] In one embodiment, the included angle between the outer edges of the two inclined segments of the Y-shaped plate is 40°-45°, and the included angle between the inner edges of the two inclined segments of the Y-shaped plate is 25°-30°.
[0018] The beneficial effects of this utility model are as follows: To address the aforementioned issues, a novel anti-disengagement device for crane hooks is designed to prevent crane hooks from detaching, thereby reducing personnel injuries and equipment damage caused by crane hooks detaching from their hooks and minimizing on-site safety hazards. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 yes Figure 1 A view; Figure 3 yes Figure 1 A sectional view; Figure 4 yes Figure 1 Top view; Reference numerals: 1. Hook baffle body; 2. Through connection hole; 3. Limiting structure. Detailed Implementation
[0021] To make the technical problems, technical solutions, and technical effects of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0023] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0024] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. 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.
[0025] Example 1 like Figures 1 to 4As shown, this embodiment provides a novel anti-disengagement device for crane hooks, including a Y-shaped groove structure. The Y-shaped groove structure includes a hook baffle body 1, which is a Y-shaped plate. Irregular side baffles with the same structure are provided on both sides of the Y-shaped plate. A limiting structure 3 for restricting the swaying of the hook head is provided in the groove in the middle of the Y-shaped plate. The two irregularly shaped side baffles and the limiting structure 3 are located on the same side of the Y-shaped plate.
[0026] Specifically, the old-style anti-derailment buckle has a tongue-type structure, which can wobble from side to side and deviate from the main hook, causing it to fail. The new-style anti-derailment buckle has a Y-shaped groove structure, which prevents the buckle from wobbling from side to side when released, effectively preventing the lifted object from falling due to deviation.
[0027] Example 2 like Figures 1 to 4 As shown, this embodiment provides a novel anti-disengagement device for crane hooks, including a Y-shaped groove structure. The Y-shaped groove structure includes a hook baffle body 1, which is a Y-shaped plate. Irregular side baffles with the same structure are provided on both sides of the Y-shaped plate. A limiting structure 3 for restricting the swaying of the hook head is provided in the groove in the middle of the Y-shaped plate. The two irregularly shaped side baffles and the limiting structure 3 are located on the same side of the Y-shaped plate.
[0028] Each irregular side baffle includes a square plate and a triangular plate. One side of the square plate is set on the side wall of the straight side section of the Y-shaped plate, and one side of the triangular plate is set on the outer side wall of one inclined side section of the Y-shaped plate. The square plate and the triangular plate belonging to the same irregular side baffle are located on the same side of the Y-shaped plate.
[0029] Specifically, the release buckle side adopts a triangular diagonal brace structure, which makes its overall stress more stable.
[0030] Example 3 like Figures 1 to 4 As shown, this embodiment provides a novel anti-disengagement device for crane hooks, including a Y-shaped groove structure. The Y-shaped groove structure includes a hook baffle body 1, which is a Y-shaped plate. Irregular side baffles with the same structure are provided on both sides of the Y-shaped plate. A limiting structure 3 for restricting the swaying of the hook head is provided in the groove in the middle of the Y-shaped plate. The two irregularly shaped side baffles and the limiting structure 3 are located on the same side of the Y-shaped plate.
[0031] Each irregular side baffle includes a square plate and a triangular plate. One side of the square plate is set on the side wall of the straight side section of the Y-shaped plate, and one side of the triangular plate is set on the outer side wall of one inclined side section of the Y-shaped plate. The square plate and the triangular plate belonging to the same irregular side baffle are located on the same side of the Y-shaped plate.
[0032] The second side of the triangle is connected to one side of the square, and the two are the same width.
[0033] The square plate and the Y-shaped plate are set orthogonally; the triangular plate and the Y-shaped plate are set orthogonally. A curved transition is provided at the connection between the square panel and the Y-shaped panel; The connection between the triangle plate and the Y-shaped plate is provided with an arc transition.
[0034] The height of the square plate is the same as the length of the straight edge of the Y-shaped plate, and the top corner of the square plate on the side away from the Y-shaped plate is provided with an arc transition; The length of the hypotenuse of the Y-shaped plate is the same as the length of the side of the triangle plate that contacts the Y-shaped plate, and the two ends are aligned. The apex of the triangle plate, which is away from the square plate, has an arc-shaped transition.
[0035] There is a folding angle between the triangle and the square.
[0036] Example 4 This embodiment is a further optimization based on embodiment 3, specifically: Both square plates have through-holes 2 at corresponding positions, and the diameter of the through-holes 2 is 8.1mm.
[0037] Specifically, a rotating shaft is provided between the two through-holes on both sides, which is movably installed at the upper opening of the hook. The rotating shaft is opened and closed by a spring.
[0038] Example 5 This embodiment is a further optimization based on embodiment 3, specifically: The limiting structure 3 includes two identical connecting plates set on the inner sides of the two inclined sections of the Y-shaped plate, and an arc-shaped plate connected to the two connecting plates, with the arc-shaped plate protruding away from the Y-shaped plate.
[0039] The connecting plate is a wedge-shaped plate, and the width of the straight edge of the wedge-shaped plate gradually increases on the side away from the Y-shaped plate.
[0040] Both connecting plates are perpendicular to the Y-shaped plate.
[0041] Specifically, the crane hook anti-disengagement buckle (safety buckle) achieves an automatic protection function to prevent the suspended load from detaching, based on the synergistic action of a spring and a movable baffle. When attaching the sling, the sling can push the movable baffle to open it; after the sling is installed in place, the spring drives the baffle to reset, closing the hook opening to prevent the sling from accidentally coming off.
[0042] The commonly used anti-slip buckle is a tongue-type structure, which is prone to swaying left and right after long-term use, causing it to deviate from the main hook and fail.
[0043] The anti-disengagement buckle of this solution adopts a Y-shaped groove structure, and its limiting structure 3 is a groove structure. During operation, the groove structure can wrap around the hook head from both sides, effectively limiting the left and right swaying of the anti-disengagement buckle and fundamentally eliminating the risk of the lifted object falling due to deviation.
[0044] Example 6 This embodiment is a further optimization based on embodiment 3, specifically: The included angle between the outer edges of the two inclined sections of the Y-shaped plate is 41°, and the included angle between the inner edges of the two inclined sections of the Y-shaped plate is 28°.
Claims
1. A novel anti-disengagement device for crane hooks, characterized in that, The Y-shaped groove structure includes a hook baffle body (1), which is a Y-shaped plate. Irregular side baffles with the same structure are provided on both sides of the Y-shaped plate, and a limiting structure (3) is provided in the groove in the middle of the Y-shaped plate to limit the swaying of the hook head. The two irregular side baffles and the limiting structure (3) are located on the same side of the Y-shaped plate.
2. The novel anti-disengagement device for crane hooks according to claim 1, characterized in that, Each of the irregularly shaped side panels includes a square plate and a triangular plate. One side of the square plate is located on the side wall of the straight edge section of the Y-shaped plate, and one side of the triangular plate is located on the outer side wall of one inclined edge section of the Y-shaped plate. The square plate and the triangular plate belonging to the same irregularly shaped side panel are located on the same side of the Y-shaped plate. The second side of the triangular plate is connected to one side of the square plate, and the two are flush in width.
3. A novel anti-disengagement device for crane hooks according to claim 2, characterized in that, The square plate is orthogonally arranged to the Y-shaped plate; the triangular plate is orthogonally arranged to the Y-shaped plate. The connection between the square plate and the Y-shaped plate is provided with an arc-shaped transition; The connection between the triangular plate and the Y-shaped plate is provided with an arc-shaped transition.
4. A novel anti-disengagement device for crane hooks according to claim 2, characterized in that, The height of the square plate is the same as the length of the straight edge of the Y-shaped plate, and the top corner of the square plate on the side away from the Y-shaped plate is provided with an arc transition; The length of the hypotenuse of the Y-shaped plate is the same as the length of the side of the triangle plate that contacts the Y-shaped plate, and the two ends are aligned. The apex of the triangle plate, which is away from the square plate, has an arc-shaped transition.
5. A novel anti-disengagement device for crane hooks according to claim 2, characterized in that, There is a folding angle between the triangular plate and the square plate.
6. A novel anti-disengagement device for crane hooks according to claim 2, characterized in that, Both square plates are provided with through-holes (2) at corresponding positions, and the diameter of the through-holes (2) is 8.1 mm.
7. A novel anti-disengagement device for crane hooks according to claim 1, characterized in that, The limiting structure (3) includes two identical connecting plates disposed on the inner sides of the two inclined sections of the Y-shaped plate, and an arc-shaped plate connected to the two connecting plates, wherein the arc-shaped plate protrudes away from the Y-shaped plate.
8. A novel anti-disengagement device for crane hooks according to claim 7, characterized in that, The connecting plate is a wedge-shaped plate, and the width of the wedge-shaped plate gradually increases on the side away from the straight edge of the Y-shaped plate.
9. A novel anti-disengagement device for crane hooks according to claim 7, characterized in that, Both connecting plates are perpendicular to the Y-shaped plate.
10. A novel anti-disengagement device for crane hooks according to claim 7, characterized in that, The included angle between the outer edges of the two inclined sections of the Y-shaped plate is 40°-45°, and the included angle between the inner edges of the two inclined sections of the Y-shaped plate is 25°-30°.