Rope falling prevention device of crane
By designing an anti-rope detachment device, and utilizing a combination of anti-detachment hook plates and compression bolts as a limiting mechanism, the problem of rope detachment during crane lifting was solved, ensuring the safety of the lifting process.
Patent Information
- Application Number
- CN202520910674.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-05-09
AI Technical Summary
During hoisting operations, the ropes may sway due to centrifugal force or strong winds, causing the load to fall and posing a safety hazard.
A crane anti-rope detachment device was designed, including components such as a hook body, an anti-detachment plate, a blocking block, a locking head, and a return spring. By rotating and magnetically fixing the anti-detachment plate, combined with the limiting of the compression bolt, the device ensures that the rope does not detach during hoisting.
It effectively prevents the rope from coming off the hook when swinging, improving the safety of the hoisting process, and maintaining the stability of the rope, especially in windy weather.
Smart Images
Figure CN223804733U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to crane hook technology field, concretely is a crane anti -drop rope device. BACKGROUND
[0002] When hoisting heavy objects, the crane mainly connects the heavy objects to the hook through the rope, and drives the hook to move through the hoisting device of the crane, thereby transporting the heavy objects. However, in the process of hoisting and transporting the heavy objects, the heavy objects may sway due to centrifugal force or strong wind, etc. Once the swinging range of the rope exceeds the range of the hook, the heavy objects will fall, which may cause harm to the safety of the personnel and goods below. SUMMARY
[0003] The utility model discloses a crane anti -drop rope device aims at providing a crane anti -drop rope device to solve the problem in the above -mentioned background art.
[0004] In order to achieve the above object, the utility model provides the following technical scheme: a crane anti -drop rope device, including the hook main part, the middle of hook main part is equipped with hook recess, the side end of hook main part is fixedly connected with the blocking piece, the side end of hook main part is fixedly connected with the mounting plate, the middle of mounting plate is equipped with sliding slot, the middle of sliding slot is equipped with the anti -hooking plate of the different size rope position limiting, be equipped with the connecting groove on the inner wall of sliding slot, the locking head of sliding connection is in the connecting groove, the locking head is used for positioning or fixed anti -hooking plate, locking head and connecting groove inner wall are fixedly connected with return spring.
[0005] Preferably, the anti-hooking plate and the sliding groove are arc-shaped structures, and the lower part of the anti-hooking plate is fixedly connected with a handle.
[0006] Preferably, the blocking piece is a magnet block, and the anti-hooking plate is a magnet plate. When the anti-hooking plate closes the hook recess, the top end of the anti-hooking plate abuts against the blocking piece.
[0007] Preferably, the anti-hooking plate is fixedly connected with an auxiliary block at the inner wall of the upper end, the side end of the auxiliary block is an inclined surface, and when the anti-hooking plate closes the hook recess, the auxiliary block is located at the side wall of the hook recess.
[0008] Preferably, the outer side wall of the anti-hooking plate is provided with a plurality of fixed grooves, the locking head is clamped in the fixed groove, the middle of the mounting plate is screw-connected with an extrusion bolt, and the lower end of the extrusion bolt is located at the middle part of the connecting spring.
[0009] Preferably, the inner side wall of the anti-hooking plate is provided with a guide groove, the inner wall of the sliding groove is fixedly connected with a limiting plate, and the limiting plate is inserted into the guide groove.
[0010] Compared with the prior art, the utility model has the advantages of: when the rope is hung to the hook groove, the handle drives the anti-unhooking plate to rotate, thereby locking the hook groove and limiting the hung rope, which is simple and convenient to use, only need to rotate the anti-unhooking plate, when encountering windy weather, the anti-unhooking plate is closed, and the anti-unhooking plate is limited and fixed through the rotation extruding bolt, thereby ensuring the safety in the hoisting process. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the hook groove opening schematic view.
[0012] Figure 2 It is the hook groove closing schematic view.
[0013] Figure 3 It is the A place enlarged schematic view.
[0014] Figure 4 It is the fixed slot of anti-unhooking plate schematic view.
[0015] Figure 5 It is the guide slot of anti-unhooking plate schematic view.
[0016] In the drawing: 1 hook main body, 2 hook groove, 3 anti-unhooking plate, 4 mounting plate, 5 handle, 6 blocking block, 7 auxiliary block, 8 sliding slot, 9 connecting slot, 10 locking head, 11 return spring, 12 extruding bolt, 13 fixed slot, 14 guide slot, 15 limiting plate. DETAILED DESCRIPTION
[0017] In order to deepen the understanding and the realization of the utility model, the technical scheme in the utility model embodiment will be clearly and completely described and introduced in combination with the drawings in the utility model embodiment, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment, and does not limit the embodiment in any form. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0018] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a crane anti-unhooking rope device, including hook main body 1, hook groove 2 is equipped in the middle of hook main body 1, blocking block 6 is fixedly connected to the side end of hook main body 1, mounting plate 4 is fixedly connected to the side end of hook main body 1, sliding slot 8 is equipped in the middle of mounting plate 4, anti-unhooking plate 3 for limiting different size rope is equipped in the middle of sliding slot 8, connecting slot 9 is equipped on the inner wall of sliding slot 8, locking head 10 is slidably connected in connecting slot 9, locking head 10 is used for positioning or fixed anti-unhooking plate 3, locking head 10 and connecting slot 9 inner wall are fixedly connected with return spring 11.
[0019] The anti-unhooking plate 3 and the sliding groove 8 are both arc-shaped structures, the lower part of the anti-unhooking plate 3 is fixedly connected with a handle 5, the anti-unhooking plate 3 is driven to rotate through the handle 5, thereby opening or closing the hook groove 2, and the hooked rope is locked and limited, so that the rope is prevented from unhooking when swinging.
[0020] The blocking block 6 is a magnet block, the anti-unhooking plate 3 is a magnet plate, when the anti-unhooking plate 3 is closed to the hook groove 2, the top end of the anti-unhooking plate 3 abuts against the blocking block 6, the blocking block 6 limits the rotating distance of the anti-unhooking plate 3, and simultaneously magnetically fixes the anti-unhooking plate 3, so that the anti-unhooking plate 3 is prevented from moving after being closed, and the safety of the crane hoisting is increased.
[0021] The upper end inner wall of the anti-unhooking plate 3 is fixedly connected with an auxiliary block 7, the side end of the auxiliary block 7 is an inclined surface, when the anti-unhooking plate 3 is closed to the hook groove 2, the auxiliary block 7 is located at the side wall of the hook groove 2, when the rope moves to the position of the auxiliary block 7 when swinging, the inclined surface of the auxiliary block 7 is pressed, thereby ensuring the closing of the anti-unhooking plate 3, and the rope is prevented from unhooking due to the opening of the anti-unhooking plate 3.
[0022] The outer side wall of the anti-unhooking plate 3 is provided with a plurality of fixed grooves 13, the locking head 10 is clamped in the fixed groove 13, the middle of the mounting plate 4 is screw-connected with an extruding bolt 12, the lower end of the extruding bolt 12 is located at the middle part of the connecting spring, in normal weather, the anti-unhooking plate 3 only needs to be rotated, the locking head 10 preliminarily fixes the anti-unhooking plate 3, in strong wind weather, the extruding bolt 12 is rotated to extrude and fix the locking head 10, thereby ensuring that the locking head 10 does not move, and the anti-unhooking plate 3 is fixed firmly.
[0023] The inner side wall of the anti-unhooking plate 3 is provided with a guide groove 14, the inner wall of the sliding groove 8 is fixedly connected with a limiting plate 15, the limiting plate 15 is inserted into the guide groove 14, the movement of the anti-unhooking plate 3 is limited, and the anti-unhooking plate 3 is ensured to be smoothly opened or closed.
[0024] Although the embodiments of the present application have been shown and described, it should be stressed that the above description is merely an introduction and description of the use mode of the embodiments of the present application, and does not limit the present application in any form. It can be understood by those skilled in the art that the embodiments can be variously changed, modified, replaced and modified without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. Crane rope slip prevention device comprising a hook body (1), characterised in that: The middle of the hook body (1) is provided with a hook groove (2), the side end of the hook body (1) is fixedly connected with a blocking block (6), the side end of the hook body (1) is fixedly connected with a mounting plate (4), the middle of the mounting plate (4) is provided with a sliding groove (8), the middle of the sliding groove (8) is provided with an anti-unhooking plate (3) for limiting different sizes of ropes. The inner wall of the sliding groove (8) is provided with a connecting groove (9), the connecting groove (9) is slidably connected with a locking head (10), the locking head (10) is used for positioning or fixing the anti-unhooking plate (3), the locking head (10) and the inner wall of the connecting groove (9) are fixedly connected with a return spring (11).
2. A load line release device for a crane according to claim 1, characterized in that: The anti-unhooking plate (3) and the sliding groove (8) are both arc-shaped structures, the lower part of the anti-unhooking plate (3) is fixedly connected with a handle (5).
3. A load line release device for a crane as defined in claim 1, characterized in that: The blocking block (6) is a magnet block, the anti-unhooking plate (3) is a magnet plate, when the anti-unhooking plate (3) closes the hook groove (2), the top end of the anti-unhooking plate (3) abuts against the blocking block (6).
4. A load line release device for a crane as defined in claim 1, characterized in that: The upper end of the anti-unhooking plate (3) is fixedly connected with an auxiliary block (7), the side end of the auxiliary block (7) is an inclined surface, when the anti-unhooking plate (3) closes the hook groove (2), the auxiliary block (7) is located at the side wall of the hook groove (2).
5. A load line release device for a crane as defined in claim 1, characterized in that: The outer side wall of the anti-unhooking plate (3) is provided with a plurality of fixed grooves (13), the locking head (10) is clamped in the fixed groove (13), the middle of the mounting plate (4) is threadedly connected with an extrusion bolt (12), the lower end of the extrusion bolt (12) is located at the middle part of the connecting spring.
6. A load line release device for a crane as defined in claim 1, characterized in that: The inner side wall of the anti-unhooking plate (3) is provided with a guide groove (14), the inner wall of the sliding groove (8) is fixedly connected with a limiting plate (15), the limiting plate (15) is inserted into the guide groove (14).