CN210763933U

CN210763933U - Crane anti-drop lifting hook

Info

Publication number: CN210763933U
Application number: CN201921591129.9U
Authority: CN
Inventors: 杨成
Original assignee: China Sanj Crane Co ltd
Current assignee: China Sanj Crane Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-06-16
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to a crane anti-drop hook, which comprises a hoisting plate, a hook and a connecting shaft; the upper end of the connecting shaft is fixedly connected with the hoisting plate, and the lower end of the connecting shaft is fixedly connected with the lifting hook; the inner wall of the lifting hook is embedded with a plurality of rollers which are arranged at intervals, the axle center of each roller is positioned in the lifting hook, the lifting hook is provided with a mounting groove for accommodating the roller, a fixed shaft is arranged in the mounting groove, the roller is sleeved on the fixed shaft and is connected with the fixed shaft through a bearing, two opposite groove walls of the mounting groove are respectively provided with a sliding groove for accommodating two ends of the fixed shaft, the sliding grooves are arranged along the vertical direction, and the surfaces of two ends of the fixed shaft are connected with the groove walls of the sliding grooves through springs; an anti-falling device is further arranged at the opening of the lifting hook. The utility model has the characteristics of can reduce the heavy object and slide on the lifting hook, avoid rocking at the in-process of lifting by crane to the heavy object unhook is so as to avoid the emergence of accident.

Description

Crane anti-drop lifting hook

Technical Field

The utility model belongs to the technical field of the hoist accessory, concretely relates to hoist anticreep lifting hook.

Background

The lifting hook is the most common hoist among the hoisting machinery, because the use occasion danger coefficient of lifting hook is great, if hang the heavy object unhook on the lifting hook, can cause very big accident, however, current crane lifting hook does not have anti-skidding function, at the lift by crane in-process, the heavy object appears rocking easily, the phenomenon that the heavy object drops appears because of not having anti-skidding structure on the lifting hook, cause the incident, not only waste time and cost, still there is very big potential safety hazard, for this reason, we need to propose a crane anticreep lifting hook urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned defect, improve a hoist anticreep lifting hook, can reduce the heavy object and slide on the lifting hook, avoid rocking at the in-process of lifting by crane to so that the heavy object unhook, thereby avoid the emergence of accident.

The utility model provides a technical scheme that its technical problem adopted as follows:

an anti-drop lifting hook of a crane comprises a hoisting plate, a lifting hook and a connecting shaft; the upper end of the connecting shaft is fixedly connected with the hoisting plate, and the lower end of the connecting shaft is fixedly connected with the lifting hook; the inner wall of the lifting hook is embedded with a plurality of rollers which are arranged at intervals, the axle center of each roller is positioned in the lifting hook, the lifting hook is provided with a mounting groove for accommodating the roller, a fixed shaft is arranged in the mounting groove, the roller is sleeved on the fixed shaft and is connected with the fixed shaft through a bearing, two opposite groove walls of the mounting groove are respectively provided with a sliding groove for accommodating two ends of the fixed shaft, the sliding grooves are arranged along the vertical direction, and the surfaces of two ends of the fixed shaft are connected with the groove walls of the sliding grooves through springs; an anti-falling device is further arranged at the opening of the lifting hook.

Further, anticreep device includes cylinder, uide bushing, deflector, pin and pressure spring, the cylinder sets up in one side of connecting axle and installs on the hoist and mount board, and the axial of this cylinder parallels with the axial of connecting axle, and on the connecting axle was located to the uide bushing, the one end of deflector linked to each other with the uide bushing, and the other end links to each other with the cylinder, and the upper end of pin articulates in a side of uide bushing, and the lower extreme sets up in the opening part of lifting hook, and is equipped with the draw-in groove of holding pin on the inner wall of the opening part of lifting hook, links to each other through the pressure spring between.

Furthermore, a limiting sleeve positioned below the guide sleeve is arranged on the connecting shaft.

The utility model has the advantages that:

(1) the utility model discloses when hanging the heavy object, the heavy object can push it down when passing through the gyro wheel, because link to each other through the spring between the cell wall of fixed axle and spout, so the gyro wheel just moves downwards naturally, and finally flushes with the surface of lifting hook, just so make things convenient for hanging of heavy object, when the heavy object moves to between two gyro wheels, the gyro wheel that moves downwards will rise and reset under the effect of spring, thereby play the effect of blocking the heavy object, reduce the heavy object and slide, and just can avoid the heavy object to rock in the hoisting process, guarantee safety, structural design is reasonable; then the opening of the lifting hook is sealed by the anti-dropping device, so that the heavy object is prevented from being unhooked, and accidents are avoided.

(2) When the utility model is used for hanging heavy objects, the stop lever is only required to be extruded towards the inner side of the lifting hook, so that a space is formed between the stop lever and the lifting hook, the heavy objects can be hung on the lifting hook, and the baffle is reset into the clamping groove under the action of the pressure spring, so that a closed space is formed, the heavy objects can not be unhooked, and the safety is ensured; when the heavy object needs to be taken down, the guide sleeve is driven to ascend along the connecting shaft only through the air cylinder, so that the blocking rod is separated from the clamping groove, the structural design is reasonable, and the operation is convenient.

(3) The utility model discloses a stop collar can prevent that the uide bushing from removing excessively.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation structure of the idler wheel in the present invention;

wherein: hoisting plate 1, lifting hook 2, connecting axle 3, gyro wheel 4, mounting groove 5, fixed axle 6, spout 7, spring 8, anticreep device 9, cylinder 91, uide bushing 92, deflector 93, pin 94, pressure spring 95, stop collar 96.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The anti-drop hook of the crane shown in fig. 1 and 2 comprises a hoisting plate 1, a hook 2 and a connecting shaft 3; the upper end of the connecting shaft 3 is fixedly connected with the hoisting plate 1, and the lower end is fixedly connected with the lifting hook 2. Inlay gyro wheel 4 that a plurality of intervals set up on lifting hook 2's the inner wall, the axle center of this gyro wheel 4 is in lifting hook 2, be equipped with mounting groove 5 that is used for holding gyro wheel 4 on lifting hook 2, be equipped with fixed axle 6 in the mounting groove 5, gyro wheel 4 cover is located on fixed axle 6 and is passed through the bearing with fixed axle 6 and link to each other, and all be equipped with the spout 7 that is used for holding fixed axle 6 both ends on two cell walls that mounting groove 5 is relative, this spout 7 sets up along vertical direction, the cell wall that all passes through spring 8 and spout 7 on the surface at fixed axle 6 both ends links to each other, gyro wheel.

The opening of lifting hook 2 still is equipped with anticreep device 9, anticreep device 9 includes cylinder 91, uide bushing 92, deflector 93, pin 94 and pressure spring 95, cylinder 91 sets up in one side of connecting axle 3 and installs on hoisting plate 1, the axial of this cylinder 91 parallels with the axial of connecting axle 3, uide bushing 92 cover is located on connecting axle 3, be equipped with the stop collar 96 that is located the uide bushing 92 below on the connecting axle 3, the one end of deflector 93 links to each other with uide bushing 92, the other end links to each other with cylinder 91, the upper end of pin 94 articulates a side of uide bushing 92, pin 94 can swing like this, the lower extreme sets up in the opening part of lifting hook 2, and be equipped with the draw-in groove 21 of holding pin on the inner wall of the opening part of lifting hook 2, link to each other through.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.

Claims

1. The utility model provides a hoist anticreep lifting hook which characterized in that: comprises a hoisting plate, a lifting hook and a connecting shaft;

the upper end of the connecting shaft is fixedly connected with the hoisting plate, and the lower end of the connecting shaft is fixedly connected with the lifting hook;

the inner wall of the lifting hook is embedded with a plurality of rollers which are arranged at intervals, the axle center of each roller is positioned in the lifting hook, the lifting hook is provided with a mounting groove for accommodating the roller, a fixed shaft is arranged in the mounting groove, the roller is sleeved on the fixed shaft and is connected with the fixed shaft through a bearing, two opposite groove walls of the mounting groove are respectively provided with a sliding groove for accommodating two ends of the fixed shaft, the sliding grooves are arranged along the vertical direction, and the surfaces of two ends of the fixed shaft are connected with the groove walls of the sliding grooves through springs;

an anti-falling device is further arranged at the opening of the lifting hook.

2. The crane anti-drop lifting hook according to claim 1, characterized in that: the anti-falling device comprises a cylinder, a guide sleeve, a guide plate, a stop lever and a pressure spring, wherein the cylinder is arranged on one side of a connecting shaft and is installed on a hoisting plate, the axial direction of the cylinder is parallel to the axial direction of the connecting shaft, the guide sleeve is arranged on the connecting shaft, one end of the guide plate is connected with the guide sleeve, the other end of the guide plate is connected with the cylinder, the upper end of the stop lever is hinged to one side face of the guide sleeve, the lower end of the stop lever is arranged at the opening of a lifting hook, a clamping groove for accommodating the stop lever is formed in the inner wall of the opening of the.

3. The crane anti-drop lifting hook according to claim 1, characterized in that: and a limiting sleeve positioned below the guide sleeve is arranged on the connecting shaft.