CN221565542U - Aluminum pipe internal expansion type lifting device - Google Patents

Abstract

The utility model discloses an aluminum pipe internal expansion type lifting device, which relates to the technical field of lifting fixtures and aims to provide an aluminum pipe internal expansion type lifting device which can be operated by a single person and has high stability, and the technical key point of the aluminum pipe internal expansion type lifting device comprises a lifting ring, wherein the lifting ring is connected with external lifting devices, a lifting frame is arranged under the lifting ring, a cavity is arranged in the lifting frame, a fixed pin is arranged in the lifting frame and close to the lifting ring, two symmetrically arranged connecting rods are hinged on the side surfaces of the fixed pin, the technical effect is through setting up movable pin and buckling pole, drives the lifting frame through rings and upwards moves, and the lifting frame passes through the fixed pin and drives the connecting rod upwards, and the buckling pole can upwards rotate under the drive of connecting rod, makes the bottom of buckling pole remove to both sides, drives the interior fagging that is connected with it simultaneously and removes to both sides, realizes the purpose of propping up in rolling up the aluminum pipe, only needs single operation, has saved the many people complex problem of traditional mode.

Description

Aluminum pipe internal expansion type lifting device

Technical Field

The utility model relates to the technical field of hoisting clamps, in particular to an aluminum pipe internal expansion type hoisting device.

Background

The aluminum pipe is a hollow pipe through stretch forming, uses frequently in industry, for convenient storage and transportation, can roll up into annular aluminum pipe volume generally, is fixed by the ribbon again, needs the manual work to lift up the aluminum pipe volume and pile up together when the pile up neatly, because the quality of aluminum pipe volume is heavier, leads to such mode very waste time and energy to need many people to cooperate, lead to the human cost extravagant in a large number, still have certain danger simultaneously.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the aluminum pipe internal expanding type lifting device which can be operated by a single person and has high stability.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the aluminum pipe internal expansion type lifting device comprises a lifting ring, wherein the lifting ring is connected with external lifting equipment, a lifting frame is arranged below the lifting ring, a cavity is formed in the lifting frame, a fixed pin is arranged in the lifting frame and close to the lifting ring, two symmetrically arranged connecting rods are hinged to the side faces of the fixed pin, a sliding rod is connected in the cavity of the lifting frame in a sliding mode, and a movable pin is arranged below the sliding rod;

The side of movable pin articulates there are two symmetrical bending bars that set up, and the movable pin is located the department of buckling of bending bar, two the upper end of bending bar all is equipped with the hinge pin, two the bending bar passes through the hinge pin with two the connecting rod articulates, the lower extreme of bending bar is equipped with interior fagging.

Preferably, the inner supporting plate is rotatably connected with the bottom end of the bending rod, two tensioning springs are arranged on the back surface of the inner supporting plate, and the two tensioning springs are connected with the upper portion and the lower portion of the two inner supporting plates.

Preferably, the inner supporting plate is connected with a rubber pad, and the rubber pad is directly contacted with the inner ring of the aluminum pipe coil.

(III) beneficial effects

Compared with the prior art, the utility model provides aluminum pipe internal expansion type lifting equipment, which has the following beneficial effects:

1. Through setting up movable pin and bending bar, in placing the aluminum pipe in the book with interior fagging when lifting by crane, drive lifting frame upward movement through rings, lifting frame passes through fixed pin and drives the connecting rod upwards, because slide bar and lifting frame sliding connection, so the slide frame is for lifting by crane the frame down, interval between movable pin and the fixed pin increases this moment, and interval between the hinge pin reduces, the bending bar can upwards rotate under the drive of connecting rod, make the bottom of bending bar to the side remove, drive the interior fagging of being connected with it simultaneously and remove to both sides, realize the purpose of propping in rolling up the aluminum pipe, and only need single operation, traditional mode many people complex problem has been saved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

Fig. 2 is a schematic illustration of an elevation of the present utility model.

In the figure: 1. a lifting frame; 2. a hanging ring; 3. a fixing pin; 4. a slide bar; 5. a movable pin; 6. a connecting rod; 7. a hinge pin; 8. bending the rod; 9. a rubber pad; 10. an inner support plate; 11. and tensioning the spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, an aluminum pipe inner expanding type lifting device comprises a lifting ring 2, wherein the lifting ring 2 is connected with external lifting equipment, a lifting frame 1 is arranged below the lifting ring 2, a cavity is formed in the lifting frame 1, a fixing pin 3 is arranged in the lifting frame 1 and close to the lifting ring 2, two symmetrically arranged connecting rods 6 are hinged to the side faces of the fixing pin 3, a sliding rod 4 is connected in the cavity of the lifting frame 1 in a sliding mode, and a movable pin 5 is arranged below the sliding rod 4;

Two symmetrically arranged bending rods 8 are hinged to the side face of the movable pin 5, the movable pin 5 is located at the bending position of the bending rods 8, the upper ends of the two bending rods 8 are provided with hinge pins 7, the two bending rods 8 are hinged to the two connecting rods 6 through the hinge pins 7, and the lower ends of the bending rods 8 are provided with inner supporting plates 10;

In the utility model, the sliding rod 4 and the movable pin 5 are arranged, the two connecting rods 6 and the two bending rods 8 are connected by the fixed pin 3, the movable pin 5 and the two hinge pins 7 to form a deformable parallelogram, the distance between the movable pin 5 and the fixed pin 3 is increased by the movement of the sliding rod 4, and meanwhile, the distance between the two hinge pins 7 is reduced, so that the purpose of driving the bending rods 8 to rotate upwards is achieved, and the inner supporting plate 10 at the bottom end is driven to move to the side surface when the bending rods 8 rotate, so that the purpose of fixing the inner support is realized.

The inner supporting plate 10 is rotationally connected with the bottom end of the bending rod 8, two tensioning springs 11 are arranged on the back surface of the inner supporting plate 10, and the two tensioning springs 11 are connected to the upper part and the lower part of the two inner supporting plates 10;

Through setting up tensioning spring 11, interior fagging 10 utilizes the rotation with buckling pole 8 to be connected for after buckling pole 8 is rotatory, interior fagging 10 can be through the rotation with buckling pole 8 be connected the angle of self-adjustment, utilize tensioning spring 11 to balance two interior fagging 10 simultaneously, make interior fagging 10 remain in vertical state all the time.

The inner supporting plate is connected with a rubber pad, and the rubber pad is directly contacted with the inner ring of the aluminum pipe coil;

Through setting up rubber pad 9, rubber pad 9 can increase the frictional force between interior fagging 10 and the aluminum pipe book on the one hand for it is more firm to support, avoids appearing skidding the problem that drops, on the other hand can make interior fagging 10 and aluminum pipe book flexible contact again, avoids causing the damage to the aluminum pipe book when supporting.

Working principle:

The inner supporting plate 10 is arranged in an aluminum pipe roll, external hoisting equipment pulls the hoisting frame 1 upwards through the hoisting ring 2, the hoisting frame 1 drives the connecting rod 6 to move upwards through the fixing pin 3, at the moment, the sliding rod 4 is connected with the hoisting frame 1 in a sliding way and moves downwards relative to the hoisting frame 1, so that the distance between the movable pin 5 and the fixing pin 3 is increased, meanwhile, the distance between the hinge pin 7 is reduced, at the moment, the connecting rod 6 drives the bending rod 8 to rotate upwards through the hinge pin 7, the bending rod 8 rotates around the movable pin 5 and drives the inner supporting plate 10 at the bottom end to move to the side, and the inner supporting plate 10 is connected with the bending rod 8 in a rotating way and is attached to the inner side surface of the aluminum pipe roll; after the lifting device releases the unloading force, the inner supporting plate 10 is contracted inwards by stretching the spring 11, so that the lifting tool is conveniently moved out of the aluminum pipe roll.

The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present utility model.

Claims (3)

1. An aluminum pipe internal expansion type lifting device is characterized in that: the lifting device comprises a lifting ring (2), wherein the lifting ring (2) is connected with external lifting equipment, a lifting frame (1) is arranged under the lifting ring (2), a cavity is formed in the lifting frame (1), a fixing pin (3) is arranged in the lifting frame (1) and close to the lifting ring (2), two symmetrically arranged connecting rods (6) are hinged to the side face of the fixing pin (3), a sliding rod (4) is connected in the cavity of the lifting frame (1) in a sliding mode, and a movable pin (5) is arranged under the sliding rod (4);

The side of movable pin (5) articulates there are two bending bars (8) that the symmetry set up, and movable pin (5) are located the department of buckling of bending bar (8), two the upper end of bending bar (8) all is equipped with hinge pin (7), two bending bar (8) are articulated through hinge pin (7) and two connecting rod (6), the lower extreme of bending bar (8) is equipped with interior fagging (10).

2. An aluminum pipe internal expanding type lifting device as defined in claim 1, wherein: the inner supporting plates (10) are rotatably connected with the bottom ends of the bending rods (8), two tensioning springs (11) are arranged on the back surfaces of the inner supporting plates (10), and the two tensioning springs (11) are connected to the upper portions and the lower portions of the two inner supporting plates (10).

3. An aluminum pipe internal expanding type lifting device as defined in claim 1, wherein: the inner supporting plate (10) is connected with a rubber pad (9), and the rubber pad (9) is directly contacted with the inner ring of the aluminum pipe coil.