CN220078332U - Crane fitting for crane - Google Patents

Abstract

The utility model relates to a crane lifting accessory which comprises a mounting seat, a hook and a hydraulic transmission device, wherein the hydraulic transmission device is mounted on the mounting seat, the hook is movably mounted on the mounting seat and is connected with a driving input end of the hydraulic transmission device, an anti-drop column is mounted at a driving output end of the hydraulic transmission device, and a moving direction of the anti-drop column is arranged towards a hook opening of the hook. When the crane hoist accessory is to be hung, the rope sleeve of an object to be hung is hung on the hook, the installation seat is lifted and pulled by the crane to drive the hook to move the rope sleeve, then the hook is pulled down by the weight of the hung object, the hook drives the hydraulic transmission device to drive, and the anti-drop column is pushed out to be fixedly arranged at the hook opening of the hook, so that automatic fastening and anti-drop are realized.

Description

Crane fitting for crane

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a crane fitting for a crane.

Background

A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. Also called crown block, aviation crane, wherein the lifting hook is an important part of crane, and the lifting hook needs to use unhook preventing device when in use.

The utility model discloses a hoist lifting hook mousing-hook device of current public file number CN215048027U, including lifting hook and anticreep baffle, the lifting hook is C type, and the hollow cylinder of lifting hook wherein one end side level fixedly connected with, hollow cylinder both ends equipotential open-type, and the inside rotation of hollow cylinder has the bull stick, the bull stick both ends pass hollow cylinder both ends respectively, and the bull stick both ends pass two perpendicular limit tops of anticreep baffle respectively and rotate in two perpendicular limit insidely, one of them perpendicular limit vertical fixedly connected with handle of anticreep baffle and rotate in the lifting hook side. Through pulling the handle, then the handle can drive the anticreep baffle and remove, can place the lifting rope in the lifting hook, avoided the condition emergence that needs the inboard anticreep baffle of hand push down the lifting hook, further prevented anticreep baffle tong, crowded hand accident, and then improved the security that the lifting hook used. Although the structure solves the problem of the anti-falling effect, the structure is inconvenient to operate by hands when in use.

Disclosure of Invention

In view of the defects in the prior art, the technical problem to be solved by the utility model is to provide a crane lifting accessory which can automatically fasten and prevent the falling off and is convenient to operate.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a hoist crane accessory, includes mount pad, couple and hydraulic drive device, hydraulic drive device installs on the mount pad, couple movable mounting is on the mount pad, and is connected with hydraulic drive device's drive input and set up, hydraulic drive device's drive output installs the anticreep post, the direction of movement of anticreep post sets up towards the hook mouth of couple.

The hydraulic transmission device comprises a pushing oil cylinder and two oil delivery cylinders, wherein the pushing oil cylinder and the two oil delivery cylinders are all arranged at the lower part of the mounting seat, the two oil delivery cylinders are all communicated with the pushing oil cylinder, the anti-drop column is movably and hermetically arranged in the pushing oil cylinder, the top thread of the hook is connected with a connecting plate, the position of the connecting plate corresponding to the oil delivery cylinder is provided with a push rod for pushing oil in the oil delivery cylinder, and a spring is sleeved on the push rod.

The oil storage capacity of the pushing oil cylinder is the sum of the oil storage capacities of the two oil conveying cylinders.

The bottom of the anti-drop column is provided with a buffer rubber cushion.

And the mounting seat is also provided with three hanging wheels, and the rotation axes of the three hanging wheels are arranged in a triangle shape.

The weight limiting sensor is also arranged on the hanging part of the hook.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the crane hoist accessory is to be hung, the rope sleeve of an object to be hung is hung on the hook, the installation seat is lifted and pulled by the crane to drive the hook to move the rope sleeve, then the hook is pulled down by the weight of the hung object, the hook drives the hydraulic transmission device to drive, and the anti-drop column is pushed out to be fixedly arranged at the hook opening of the hook, so that automatic fastening and anti-drop are realized.

2. According to the lifting accessory for the crane, the connecting plate is pulled to press the spring to descend through the hook sinking, so that the connecting plate drives the push rod to push oil in the oil conveying cylinder to move towards the pushing cylinder, the oil is filled in the pushing cylinder, the anti-drop column moves downwards to fix a hook opening of the hook to form a seal, and when the hook loses tension, the spring rebounds through the elastic force of the spring, so that the connecting plate and the anti-drop column are reset, and automatic opening is realized.

Drawings

FIG. 1 is a schematic view of the construction of a lifting assembly of the present utility model;

FIG. 2 is a schematic cross-sectional view of a crane assembly according to the present utility model;

FIG. 3 is a schematic view showing the structure of the drop-off preventing column of the present utility model.

The marks in the figure: 1. a mounting base; 2. a hook; 3. an anti-drop column; 4. pushing the oil cylinder; 5. an oil delivery cylinder; 6. a connecting plate; 7. a push rod; 8. a spring; 9. buffering rubber cushion; 10. hanging wheels; 11. a weight limiting sensor.

Detailed Description

In order to make the above features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1-3, the present embodiment provides a crane fitting, which comprises a mounting seat 1, a hook 2 and a hydraulic transmission device, wherein the hydraulic transmission device is mounted on the mounting seat 1, the hook 2 is movably mounted on the mounting seat 1 and is connected with a driving input end of the hydraulic transmission device, a driving output end of the hydraulic transmission device is provided with an anti-falling column 3, and a moving direction of the anti-falling column 3 is arranged towards a hook opening of the hook 2. When the hanging is needed, the rope sleeve of the object to be hung is hung on the hook 2, the installation seat 1 is lifted and pulled through the crane so as to drive the hook 2 to move the rope sleeve, then the hook 2 is pulled down through the weight of the object to be hung, the hook 2 drives the hydraulic transmission device to drive, and the anti-drop column 3 is pushed out to be arranged at the hook opening of the hook 2 to be fixedly arranged, so that automatic fastening and anti-drop are realized.

Further, the hydraulic transmission device comprises a pushing oil cylinder 4 and two oil delivery cylinders 5, the pushing oil cylinder 4 and the two oil delivery cylinders 5 are all installed at the lower part of the installation seat 1, the two oil delivery cylinders 5 are all communicated with the pushing oil cylinder 4, the anti-drop column 3 is movably and hermetically installed in the pushing oil cylinder 4, the top of the hook 2 is in threaded connection with a connecting plate 6, a push rod 7 for pushing oil in the oil delivery cylinders 5 is arranged at the position of the connecting plate 6 corresponding to the oil delivery cylinders 5, a spring 8 is sleeved on the push rod 7, and an elastic piece for supporting the anti-drop column 3 is installed in the pushing oil cylinder 4. Specifically, the oil storage amount of the push cylinder 4 is the sum of the oil storage amounts of both the two oil delivery cylinders 5. The connecting plate 6 is pulled to press the spring 8 to descend through the sinking of the hook 2, so that the connecting plate 6 drives the push rod 7 to push oil in the oil conveying cylinder 5 to move towards the inside of the pushing cylinder 4, oil is filled in the pushing cylinder 4, the anti-drop column 3 moves downwards to fix a hook opening of the hook 2 to form a seal, and when the hook 2 loses tension, the spring 8 rebounds through self elastic force to enable the connecting plate 6 and the anti-drop column 3 to reset.

Further, a buffer rubber cushion 9 is arranged at the bottom of the anti-drop column 3. Preventing the anti-drop column 3 from being damaged by long-time contact with the hook 2.

Further, three hanging wheels 10 are further installed on the installation seat 1, and the rotation axes of the three hanging wheels 10 are arranged in a triangle shape.

Further, a weight limiting sensor 11 is also mounted on the hanging part of the hook 2. Whether the hanging weight exceeds the safety bearing weight or not can be detected by the weight limiting sensor 11, and the weight is prevented from being excessively heavy to cause the unexpected loss.

While the basic principles and main features of the utility model and advantages of the utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (6)

1. A crane-use fitting for a crane, characterized by: the hydraulic transmission device is installed on the installation seat, the hook is movably installed on the installation seat and is connected with a driving input end of the hydraulic transmission device, an anti-falling column is installed at a driving output end of the hydraulic transmission device, and the moving direction of the anti-falling column is set towards a hook opening of the hook.

2. A crane-use accessory according to claim 1, wherein: the hydraulic transmission device comprises a pushing oil cylinder and two oil delivery cylinders, wherein the pushing oil cylinder and the two oil delivery cylinders are all arranged at the lower part of the mounting seat, the two oil delivery cylinders are all communicated with the pushing oil cylinder, the anti-drop column is movably and hermetically arranged in the pushing oil cylinder, the top thread of the hook is connected with a connecting plate, the position of the connecting plate corresponding to the oil delivery cylinder is provided with a push rod for pushing oil in the oil delivery cylinder, and a spring is sleeved on the push rod.

3. A crane-use accessory according to claim 2, wherein: the oil storage capacity of the pushing oil cylinder is the sum of the oil storage capacities of the two oil conveying cylinders.

4. A crane-use accessory according to claim 1, wherein: the bottom of the anti-drop column is provided with a buffer rubber cushion.

5. A crane-use accessory according to claim 1, wherein: and the mounting seat is also provided with three hanging wheels, and the rotation axes of the three hanging wheels are arranged in a triangle shape.

6. A crane-use accessory according to claim 1, wherein: the weight limiting sensor is also arranged on the hanging part of the hook.