CN219526016U - Lifting device of excavator - Google Patents

Abstract

The utility model discloses a lifting device of an excavator, which comprises a lifting lug, a spandrel girder and a lifting hook, wherein the lifting lug is fixedly arranged on the spandrel girder, a plurality of lug plates are arranged on the spandrel girder, U-shaped lifting rings are arranged on the lug plates, a limiting frame is connected to the U-shaped lifting rings, the limiting frame is movably connected with the lifting hook, and the lifting hook comprises a lifting hook head and a counterweight iron; the lifting device is reasonable in structural design, simple to install and convenient to operate, and the unhooking state of the lifting device is realized by utilizing the lever principle.

Description

Lifting device of excavator

Technical Field

The utility model relates to the technical field of hoisting of an excavator, in particular to a hoisting device of the excavator.

Background

The ton bag operation is an operation mode with low cost and convenient transportation, is also an important production operation carried out by the company for years and months, generally uses a 5-7.5 ton forklift or crane to carry out the operation, and when the ton bag is hoisted and unloaded, the operation is carried out manually, thus time and labor are wasted, the efficiency is low, and a certain safety risk exists.

Disclosure of Invention

The utility model aims to provide a lifting device of an excavator, which has the advantages of reasonable structure, simplicity in installation and convenience in use.

The purpose of the utility model is realized in the following way: the utility model provides a hoisting accessory of excavator, includes lug, spandrel girder and lifting hook, lug fixed mounting is on the spandrel girder, set up a plurality of otic placodes on the spandrel girder, set up U type rings on the otic placode, connect the spacing on the U type rings, swing joint lifting hook on the spacing, the lifting hook includes lifting hook head, counter weight iron.

As a further preferable scheme of the utility model, two groups of positioning holes are formed in the lifting lug, and reinforcing members are arranged on the positioning holes.

As a further preferable scheme of the utility model, the lug plate is provided with a through hole, and the U-shaped hanging ring is fixed on the through hole.

As a further preferable scheme of the utility model, the limiting frame is U-shaped, a first opening and a second opening are formed in the limiting frame, the first opening is fixed on the U-shaped hanging ring, a short shaft is arranged on the second opening, a lifting hook is arranged on the short shaft, and the lifting hook rotates on the short shaft.

As a further preferred embodiment of the present utility model, a stopper is provided on the second opening.

As a further preferred embodiment of the present utility model, the spandrel girder is a round steel material having a diameter of 150 mm.

As a further preferred embodiment of the present utility model, the lifting hook head 401 and the weight iron 402 are welded together.

Compared with the prior art, the utility model has the following beneficial effects: the lifting hook head is connected with the counterweight iron and moves through the hinge point, and when the weight is not hung on the hook head by utilizing the lever principle, the lifting hook lifts upwards under the gravity action of the counterweight iron to present a unhooking state. When the goods need to be lifted by crane, the ton bag is hung manually, the lifting hook is turned downwards by the pulling force to hook the ton bag, after transportation is completed, the lifting large arm is pressed downwards, the ton bag is put down, at the moment, the hook head is turned under the action of the gravity of the counterweight iron, the hook head is automatically separated from the ton bag, manual interference is not needed, and automatic unhooking is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the technical description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic diagram of a front view structure of the present utility model.

Fig. 3 is a schematic view of the bottom structure of the present utility model.

Fig. 4 is a schematic side view of the present utility model.

Wherein, 1-lug, 2-fender, 3-spandrel girder, 4-lifting hook: 401-lifting hook head, 402-counterweight iron, 5-lug plate, 6-U-shaped hanging ring, 7-limiting frame, 8-locating hole, 9-reinforcement, 10-first opening, 11-second opening.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.

As shown in fig. 1-4, a lifting device of an excavator comprises a lifting lug 1, a spandrel girder 3 and a lifting hook 4, wherein the lifting lug 1 is fixedly installed on the spandrel girder 3, a plurality of lug plates 5 are arranged on the spandrel girder 3, U-shaped lifting rings 6 are arranged on the lug plates 5, a limiting frame 7 is connected to the U-shaped lifting rings 6, the lifting hook 4 is movably connected to the limiting frame 7, and the lifting hook 4 comprises a lifting hook head 401 and a counterweight iron 402.

Preferably, two sets of positioning holes 8 are arranged on the lifting lug 1, and a reinforcing member 9 is arranged on the positioning holes 8.

Preferably, the ear plate 5 is provided with a through hole, and the U-shaped hanging ring 6 is fixed on the through hole.

Preferably, the limiting frame 7 is U-shaped, the limiting frame 7 is provided with a first opening 10 and a second opening 11, the first opening 10 is fixed on the U-shaped hanging ring 6, the second opening 11 is provided with a short shaft, the short shaft is provided with a lifting hook 4, and the lifting hook rotates on the short shaft.

Preferably, the second opening 11 is provided with a stopper 2.

Preferably, the spandrel girder 3 is a round steel material with a diameter of 150 mm.

Preferably, the lifting hook head 401 and the counterweight iron 402 are welded together.

Examples:

the lifting hook head 401 and the counterweight iron 402 are welded together and are installed on the short shaft of the limiting frame 7 to realize rotation, and when the lifting hook head 401 is not hung with a heavy object, the lifting hook head 401 is lifted upwards under the gravity action of the counterweight iron 402 by utilizing the lever principle, and the unhooking state is presented. When the cargo is required to be lifted, the ton bag is hung manually, the lifting hook head 401 is turned downwards by the pulling force to hook the ton bag, after transportation is completed, the lifting large arm is pressed downwards, the ton bag is put down, at the moment, the lifting hook head 401 is turned over under the action of the gravity of the counterweight iron 402, the hook head is automatically separated from the ton bag, manual interference is not needed, and automatic unhooking is realized.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model.

Claims (7)

1. The utility model provides a hoisting accessory of excavator, includes lug (1), spandrel girder (3) and lifting hook (4), its characterized in that: lifting lug (1) fixed mounting is on spandrel girder (3), set up a plurality of otic placodes (5) on spandrel girder (3), set up U type rings (6) on otic placode (5), connect spacing (7) on U type rings (6), swing joint lifting hook (4) on spacing (7), lifting hook (4) are including lifting hook head (401), counter weight iron (402).

2. The lifting device of an excavator according to claim 1, wherein: two groups of positioning holes (8) are formed in the lifting lug (1), and reinforcing members (9) are arranged on the positioning holes (8).

3. The lifting device of an excavator according to claim 1, wherein: the lug plate (5) is provided with a through hole, and the U-shaped hanging ring (6) is fixed on the through hole.

4. The lifting device of an excavator according to claim 1, wherein: the limiting frame (7) is U-shaped, a first opening (10) and a second opening (11) are formed in the limiting frame (7), the first opening (10) is fixed on the U-shaped hanging ring (6), a short shaft is arranged on the second opening (11), and a lifting hook (4) is arranged on the short shaft and rotates on the short shaft.

5. The lifting device of an excavator according to claim 4, wherein: a blocking piece (2) is arranged on the second opening (11).

6. The lifting device of an excavator according to claim 1, wherein: the spandrel girder (3) is a round steel material with a diameter of 150 mm.

7. The lifting device of an excavator according to claim 1, wherein: the lifting hook head (401) and the counterweight iron (402) are welded together.