CN215249087U - Stable graphite electrode hoist of centre gripping - Google Patents

Abstract

The utility model discloses a graphite electrode crane sling with stable clamping, which comprises an upper cross arm, a clamp, a bar pressing mechanism, a lower cross arm and a synchronous telescoping mechanism, wherein the two side surfaces of the upper cross arm are respectively connected with the corresponding lower cross arm through the synchronous telescoping mechanism; the plurality of clamps can axially clamp a single string or double strings of graphite electrodes; and a rod pressing mechanism is arranged between the two lower cross arms and can press the surface of the graphite electrode tightly after the graphite electrode is clamped by the clamp so as to prevent the graphite electrode from sliding axially. The utility model discloses a set up pressure excellent mechanism, clamp and get behind the graphite electrode, pressure excellent mechanism can cooperate better clamp graphite electrode with the clamp, and then adapt to the graphite electrode of the different specifications of centre gripping, avoid graphite electrode axial to slide to realize graphite electrode's stable centre gripping, ensure to lift by crane safely.

Description

Stable graphite electrode hoist of centre gripping

Technical Field

The utility model relates to a hoist technical field specifically is a graphite electrode hoist that centre gripping is stable.

Background

At present, the rapid development of industrialization and informatization is realized, the material handling in the industrial production process is developed from manual operation to automatic program control operation, and different materials need to be handled by different crane slings, so the rational development of the crane slings is an important factor for realizing full-automatic handling; wherein graphite electrode is as the consumptive material of electric stove steelmaking, it has heavy weight, the long characteristics of length, the tradition lifts by crane the transport to graphite electrode when, graphite electrode is placed on the frame, then the cylinder of graphite electrode is hooked with a plurality of hoist by the workman is manual, then lift and transport the operation, but when transporting graphite electrode through this mode, can only single cluster handling at every turn, when a plurality of graphite electrode of handling promptly, a plurality of graphite electrode need be arranged along same axis, consequently, the efficiency of handling is lower, and the hoist couple is connected through the hoisting mechanism of wire rope with the hoist, consequently, can take place to rock at handling in-process couple, thereby make graphite electrode security and the stability at the handling in-process relatively poor.

Chinese patent (CN 113213331A) discloses a discontinuous graphite electrode single-double-string crane lifting appliance device, wherein an upper cross arm is connected with a plurality of clamps, the clamps can be kept stable in the lifting process, so that the graphite electrode is prevented from shaking, and the upper cross arm is connected with a crane lifting mechanism through a pulley block and a steel wire rope, so that the stable operation of the upper cross arm in the lifting process can be ensured; its clamp arm has the intrados with graphite electrode outer wall adaptation in order to hold the centre gripping graphite electrode tightly completely in the use, and the clamp is designed according to graphite electrode's specification to the clamp arm, and when the graphite electrode of different specifications of needs handling, the clamp can press from both sides and get and hold the graphite electrode, but it can not hold the clamp completely, can appear the axial float problem of graphite electrode, and the centre gripping is not stable enough, needs further improvement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a graphite electrode hoist that the centre gripping is stable, after the graphite electrode was got to the clamp, the pressure stick mechanism can with the better tight graphite electrode of clamp cooperation, avoid graphite electrode axial to slide to realize graphite electrode's stable centre gripping, ensure safe lifting by crane, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a graphite electrode crane lifting appliance with stable clamping comprises an upper cross arm, clamps, a rod pressing mechanism, a lower cross arm and a synchronous telescopic mechanism, wherein two side surfaces of the upper cross arm are respectively connected with the corresponding lower cross arm through the synchronous telescopic mechanism; the plurality of clamps can axially clamp a single string or double strings of graphite electrodes; a rod pressing mechanism is arranged between the two lower cross arms and can press the surface of the graphite electrode tightly after the graphite electrode is clamped by the clamp so as to prevent the graphite electrode from sliding axially;

the bar pressing mechanism comprises side beams which are close to and parallel to the corresponding lower cross arms, the end parts of the two side beams on the same side are hinged with hydraulic oil cylinders, and the hydraulic oil cylinders are hinged with the end parts of the corresponding lower cross arms; the lower part of two boundary beams is equipped with a plurality of depression bars that can be inconsistent with graphite electrode surface, and the both ends upper portion of depression bar all is equipped with the connecting plate, and the upper portion of connecting plate articulates there is the turning arm, and the turning arm is articulated with the boundary beam bottom that corresponds, and the turning arm still rotates through round pin axle and the lower xarm that corresponds to be connected, and the lower xarm is equipped with the through-hole that supplies the round pin axle to pass.

Preferably, under the action of the hydraulic oil cylinder, the hydraulic oil cylinder drives the two edge beams to synchronously swing around the pin shaft, so that the two edge beams drive the pressing rod to move downwards through the corresponding crank arms and are abutted to the surface of the graphite electrode.

Preferably, the connecting lever is L-shaped, two ends of the connecting lever are respectively hinged with the corresponding edge beam and the connecting plate, and a through hole for the pin shaft to pass through is formed in the right-angle part of the connecting lever.

Preferably, the cylinder body end of the hydraulic cylinder is hinged with the lower cross arm through a cylinder seat, and the telescopic end trunnion of the hydraulic cylinder is hinged with the side beam through a hinged support.

Preferably, the lower surface of the pressure lever is provided with a rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that: this graphite electrode hoist that centre gripping is stable, clamp press from both sides get behind the graphite electrode, and hydraulic cylinder action, hydraulic cylinder promote two boundary beams and swing around the round pin axle, and two boundary beams drive the turning arm and swing around the round pin axle to make the depression bar move down and press on the graphite electrode, can cooperate better clamp graphite electrode with the clamp, and then adapt to the graphite electrode of the different specifications of centre gripping, avoid graphite electrode axial to slide, thereby realize graphite electrode's stable centre gripping, ensure to hoist safely.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic view of the rod pressing mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 5 is an enlarged schematic view of the structure at the position B of the present invention.

In the figure: the hydraulic synchronous telescopic device comprises an upper cross arm 1, a clamp 2, a rod pressing mechanism 3, a side beam 3.1, a hydraulic oil cylinder 3.2, a hinged support 3.21, an oil cylinder support 3.22, a connecting plate 3.3, a pressure rod 3.4, a crank arm 3.5, a pin shaft 3.6, a lower cross arm 4 and a synchronous telescopic mechanism 5.

Detailed Description

In the following description, the technical solution of the present invention will be described with reference to the accompanying drawings in the embodiment of the present invention, it should be understood that, if there are the indicated positions or positional relationships such as "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific position:

referring to fig. 1-5, the present invention provides a technical solution: a graphite electrode crane sling with stable clamping comprises an upper cross arm 1, a clamp 2, a rod pressing mechanism 3, a lower cross arm 4 and a synchronous telescopic mechanism 5, wherein two side surfaces of the upper cross arm 1 are respectively connected with the corresponding lower cross arm 4 through the synchronous telescopic mechanism 5; the plurality of clamps 2 can axially clamp a single string or double strings of graphite electrodes; a rod pressing mechanism 3 is arranged between the two lower cross arms 4, and the rod pressing mechanism 3 can press the surface of the graphite electrode tightly after the clamp 2 clamps the graphite electrode to prevent the graphite electrode from sliding axially;

as shown in fig. 3, the bar pressing mechanism 3 comprises edge beams 3.1 which are close to and parallel to the corresponding lower cross arms 4, the end parts of the two edge beams 3.1 on the same side are respectively hinged with a hydraulic oil cylinder 3.2, and the hydraulic oil cylinders 3.2 are hinged with the end parts of the corresponding lower cross arms 4; the lower parts of the two edge beams 3.1 are provided with a plurality of pressure rods 3.4 which can be abutted against the surfaces of the graphite electrodes, the upper parts of the two ends of each pressure rod 3.4 are provided with connecting plates 3.3, the upper parts of the connecting plates 3.3 are hinged with a crank arm 3.5, each crank arm 3.5 is hinged with the bottom of the corresponding edge beam 3.1, each crank arm 3.5 is also rotatably connected with the corresponding lower cross arm 4 through a pin shaft 3.6, and each lower cross arm 4 is provided with a through hole for the pin shaft 3.6 to pass through; under the action of the hydraulic oil cylinder 3.2, the hydraulic oil cylinder 3.2 drives the two edge beams 3.1 to synchronously swing around the pin shaft 3.6, so that the two edge beams 3.1 drive the pressure rod 3.4 to move downwards through the corresponding crank arms 3.5 and are abutted against the surface of the graphite electrode;

it can be understood that after the clamp 2 clamps the graphite electrode, the hydraulic cylinder 3.2 acts, the hydraulic cylinder 3.2 pushes the two side beams 3.1 to synchronously swing around the pin shaft, the two side beams 3.1 respectively drive the corresponding crank arms 3.5 at the lower parts of the side beams to swing around the corresponding pin shafts 3.6, so that the plurality of pressure rods 3.4 move downwards and press the graphite electrode, the graphite electrode can be better clamped by matching with the clamp 2, the graphite electrode is prevented from axially sliding, and the stable clamping of the graphite electrode is realized;

as shown in fig. 5, the crank arm 3.5 is L-shaped, two end portions of the crank arm 3.5 are respectively hinged with the corresponding side beam 3.1 and the connecting plate 3.3, a through hole for the pin shaft 3.6 to pass through is formed in a right-angled portion of the crank arm 3.5, the side beam 3.1 drives the upper end portion of the crank arm 3.5 to rotate around the pin shaft 3.6, and meanwhile, the other end portion of the crank arm 3.5 also rotates around the pin shaft 3.6, so that the connecting plate 3.3 drives the press rod 3.4 to move downwards;

the cylinder body end of the hydraulic cylinder 3.2 is hinged with the lower cross arm 4 through a cylinder seat 3.22, and a telescopic end trunnion of the hydraulic cylinder 3.2 is hinged with the side beam 3.1 through a hinged support 3.21;

in addition, the lower surface of the pressure lever 3.4 is provided with a rubber pad, and the pressure lever 3.4 is in soft contact with the graphite electrode through the rubber pad, so that the surface of the graphite electrode is prevented from being damaged during collision.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims.

Claims (5)

1. The utility model provides a graphite electrode hoist of stable centre gripping, includes xarm (1), clamp (2), pressure stick mechanism (3), xarm (4) and synchronous telescopic machanism (5) down, its characterized in that: two side surfaces of the upper cross arm (1) are respectively connected with corresponding lower cross arms (4) through synchronous telescopic mechanisms (5); the clamps (2) can axially clamp a single string or double strings of graphite electrodes; a rod pressing mechanism (3) is arranged between the two lower cross arms (4), and the rod pressing mechanism (3) can press the surface of the graphite electrode tightly after the graphite electrode is clamped by the clamp (2) to prevent the graphite electrode from sliding axially;

the bar pressing mechanism (3) comprises edge beams (3.1) which are close to and parallel to the corresponding lower cross arms (4), the end parts of the two edge beams (3.1) on the same side are hinged with hydraulic oil cylinders (3.2), and the hydraulic oil cylinders (3.2) are hinged with the end parts of the corresponding lower cross arms (4); two the lower part of boundary beam (3.1) is equipped with a plurality of depression bars (3.4) that can be inconsistent with graphite electrode surface, and the both ends upper portion of depression bar (3.4) all is equipped with connecting plate (3.3), and the upper portion of connecting plate (3.3) articulates there is turning arm (3.5), and turning arm (3.5) are articulated with boundary beam (3.1) bottom that corresponds, and turning arm (3.5) still rotate with lower xarm (4) that corresponds through round pin axle (3.6) and be connected, and lower xarm (4) are equipped with the through-hole that supplies round pin axle (3.6) to pass.

2. The stably clamped graphite electrode crane sling according to claim 1, wherein: under the action of the hydraulic oil cylinders (3.2), the hydraulic oil cylinders (3.2) drive the two edge beams (3.1) to synchronously swing around the pin shafts (3.6), so that the two edge beams (3.1) drive the pressure rods (3.4) to move downwards through the corresponding crank arms (3.5) and are abutted against the surfaces of the graphite electrodes.

3. The stably clamped graphite electrode crane sling according to claim 1, wherein: the connecting lever (3.5) is L-shaped, two ends of the connecting lever (3.5) are respectively hinged with the corresponding side beam (3.1) and the connecting plate (3.3), and a through hole for the pin shaft (3.6) to pass through is formed in the right-angle part of the connecting lever (3.5).

4. The stably clamped graphite electrode crane sling according to claim 1, wherein: the cylinder body end of the hydraulic cylinder (3.2) is hinged with the lower cross arm (4) through a cylinder seat (3.22), and the telescopic end trunnion of the hydraulic cylinder (3.2) is hinged with the side beam (3.1) through a hinged support (3.21).

5. The stably clamped graphite electrode crane sling according to claim 1, wherein: the lower surface of the pressure lever (3.4) is provided with a rubber pad.

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