CN201473191U - Side hanging tongs - Google Patents

Abstract

The embodiment of the utility model discloses side hanging tongs, comprising a hanger, a hanging ring, a left connecting rod, a right connecting rod, a left tongs arm, a right tongs arm, a right nip, a left nip, a guide plate, a hook and an unhooking seat, wherein the hanging ring is sleeved and hung on the hanger; one ends of the left connecting rod and the right connecting rod are connected at the lower end of the hanger through pin shafts and symmetrically extend out towards both sides; the upper end of the left tongs arm is connected with the other end of the left connecting rod through the pin shaft; the upper end of the right tongs arm is connected with the other end of the right connecting rod through the pin shaft; the left tongs arm and the right tongs arm are crossed and connected through a pin shaft in the middle; the right nip is connected with the lower end of the left tongs arm; the left nip is connected with the lower end of the right tongs arm; the guide plate is arranged on the right tongs arm; one end of the hook is arranged on the right connecting rod close to a pin shaft hole, and the other end slides along the guide plate when the connecting rods move; and the unhooking seat is articulated on the left tongs arm through a pin shaft.

Description

A kind of side tongs

Technical field

The utility model relates to a kind of technical field of lifting by crane aluminium alloy cast ingot, more particularly, relates to a kind of side tongs that lifts by crane aluminium alloy cast ingot.

Background technology

At present, in aluminium processing founding production scene, for will produce flat ingot casting place box soaker to carry out homogenizing to handle, need to adopt a kind of anchor clamps of special use to come operation.Because box soaker size is bigger, bin is higher; Operating temperature height (homogenization temperature: 500-600 ℃) when edge-on ingot casting is shelved operation, needs to realize hanging automatically, breaking off relations.

The mode of existing handling ingot casting is to adopt shoulder pole girder to add the steel cord structure handling.Its structural representation such as Fig. 1.It is as mainly bearing beam 12 with a large-scale I-beam section, design has suspension ring 11 above the middle part of I-beam section, be used for the overhead traveling crane lifting, two ends at I-beam section has two little suspension ring 131 and 132, two steel ropes 141 and 142 in order to fixing two ends, steel rope is structure in the form of a ring, is used for fixing the two ends of ingot casting.

With the suspender handling ingot casting of the steel cord structure of this structure, because steel rope is a flexible structure, inconvenience when carrying out the clamping ingot casting, instability during use needs at least 3 people to operate simultaneously when therefore operating, greatly reduce production efficiency.In addition,, improved productive costs, and steel rope slides easily, when particularly coming out of the stove the heat material, be easy to steel rope is scorched, cause safety misadventure easily because steel rope consumption is big.

The utility model content

In view of this, the utility model provides a kind of side tongs, reduces operating personal during with realization handling ingot casting, and the use amount that reduces steel rope, improves safety factor.

The utility model provides a kind of side tongs for achieving the above object, comprising:

Hang;

Cover hangs over the described suspension ring of hanging;

One end is connected described left pipe link and the right pipe link of hanging the lower end and stretching out to bilateral symmetry by bearing pin;

The left clamp arm that the upper end links to each other with the described left pipe link other end by bearing pin;

The right clamp arm that the upper end links to each other with the described right pipe link other end by bearing pin;

Described left clamp arm intersects mutually with described right clamp arm, and is middle continuous by bearing pin;

The right jaw that links to each other with described left clamp arm lower end;

The left jaw that links to each other with described right clamp arm lower end;

On described right clamp arm, be provided with guide plate;

One end is installed on right pipe link near the pin shaft hole place, the other end when described pipe link motion along the hook of described guide plate slides;

Be hinged on unhook seat on the described left clamp arm by bearing pin.

From above-mentioned technical scheme as can be seen, because the side tongs utilizes the scissors principle of work, be provided with hook and the seat that breaks off relations, when unclamping tongs among the utility model embodiment, hook can be realized realizing unclamping tongs when guide plate moves to and break off relations gap between seat and the guide plate.When picking up ingot casting, rely on the seat that breaks off relations, can directly promote suspension ring to the appropriate location, rely on the self gravitation of ingot casting can reach the purpose that clamps ingot casting, the tongs that hoists reaches and unclamps the tongs purpose.This side tongs is simple in structure, easy to operate, does not need several people to operate simultaneously, production efficiency height, safety of operation coefficient height.Reduce steel rope consumption simultaneously, reduced productive costs.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the open prior art constructions scheme drawing of the utility model embodiment;

Fig. 2 discloses a kind of structural representation of side tongs for the utility model embodiment;

Fig. 3 discloses a kind of left pipe link structural representation of side tongs for the utility model embodiment;

Fig. 4 discloses a kind of right pipe link structural representation of side tongs for the utility model embodiment;

Fig. 5 discloses a kind of suspension hook structural representation of side tongs for the utility model embodiment;

Fig. 6 discloses a kind of schematic diagram of side tongs for the utility model embodiment;

Fig. 7 takes off, hangs work scheme drawing 1 for what the utility model embodiment disclosed a kind of side tongs;

Fig. 8 takes off, hangs work scheme drawing 2 for what the utility model embodiment disclosed a kind of side tongs;

Fig. 9 takes off, hangs work scheme drawing 3 for what the utility model embodiment disclosed a kind of side tongs;

Figure 10 takes off, hangs work scheme drawing 4 for what the utility model embodiment disclosed a kind of side tongs;

Figure 11 takes off, hangs work scheme drawing 5 for what the utility model embodiment disclosed a kind of side tongs.

The specific embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.

Referring to shown in Figure 2, the side tongs comprises among the utility model embodiment: suspension ring 21, hang 22, left pipe link 231, right pipe link 232, left clamp arm 241, right clamp arm 242, left jaw 251, right jaw 252, hook 26, seat 27 and guide plate 28 break off relations.

Wherein, suspension ring 21 hang over by direct welding cover and hang 22 through holes, hang 22 lower ends and be connected left pipe link 231 and right pipe link 232 1 ends by bearing pin, left side pipe link 231 other ends connect left clamp arm 241 upper ends by bearing pin, right pipe link 232 other ends connect right clamp arm 242 upper ends by bearing pin, and left clamp arm 241 intersects mutually with right clamp arm 242, and are middle continuous by bearing pin, right jaw 252 links to each other with left clamp arm 241 lower ends, and left jaw 251 links to each other with right clamp arm 242 lower ends.

Suspension ring 21: mainly be the weight that is used to bear ingot casting weight and tongs, its structural strength designs under certain safety factor, bears pulling strengrth and shearing strength value, also to guarantee easy to use, match with the main hook size of overhead traveling crane, guarantee welding quality, weld nugget is carried out defect detecting test.

Hang 22: be mainly used in connection suspension ring 21 and tongs left and right sides pipe link 231 and 232, its pin-and-hole cooperates the employing free-running fit with bearing pin, requires to rotate flexibly, and intensity meets design requirement.

Left and right sides pipe link 231 and 232: mainly be to be connected left and right sides tong arm 241 and 242 and hang 22, being one of main stressed member, also is the junction of hook 26 supporting bases, it move up and down, drive hook 26 realizations extension, the action of breaking off relations automatically, the automatic clamping of realization ingot casting and automatically-unhooked.

Left and right sides pipe link 231 and 232 structural representations as shown in Figure 3 and Figure 4, they are the framing members that formed by plate iron and sleeve assembly welding, and hang 26 and left and right sides tong arm 241 and 242 between adopt the bearing pin connection mode.

Left and right sides tong arm 241 and 242: be the main stressed member of tongs, its structure guarantees that Clamping force is maximum, guarantees the safety of clamping ingot casting, and intensity will enough overcome tensile force, shearing force and the torsional deflection that the handling ingot casting produces.The tongs material is selected, and guarantees that at first its structural strength will meet design requirement, and considers its welding performance and processing characteristics, is convenient to processing, so selecting its member is the Q325 steel.For selection 45# steel such as bearing pins.

Left and right sides jaw 251 and 252: be the critical component of tongs, select the 40Cr of mechanical properties such as structural strength, good processability for use, it will have certain resistance to abrasion.The size of structure size and contact surface is relevant with the specification of ingot casting, the specification super large, and ingot casting length is long more, and the width of jaw is just big more, and ingot casting is heavy more, and its jaw thickness is just thick more.For length 7 meters with interior ingot casting, it is 600 long that jaw is selected for use, 400 is wide, 80 thick structure size.

Hook 26: be mainly used in the automatic clamping of tongs when carrying out the ingot casting handling, tongs and ingot casting are broken away from, guarantee handy flexibly.

Link up with 26 structural representations such as Fig. 5, on right clamp arm 242, be provided with guide plate 28, link up with 26 1 ends and be installed on right pipe link 232 near the pin shaft hole place, the other end slides along guide plate 28, is located on the left clamp arm 251 by bearing pin with the unhook seat 27 of linking up with 26 corresponding matching.

The side tongs is to utilize scissors principle of work scheme drawing as shown in Figure 6.

The thickness direction of clamping ingot casting produces Clamping force by friction force between the own wt of ingot casting and the jaw, keeps balance by producing friction force between ingot casting surface and the jaw, realizes clamping and lifting job to ingot casting.

According to the weight conditions such as (Q) of the thickness (B) that promotes ingot casting, width (W), length (L), ingot casting, the structure of design side tongs.

According to mechanics principle, as can be seen from the figure:

Q＝2F

F＝2μT

T＝F/(2μ)

Annotate: T---gripping power F---friction force

According to gripping power, carry out structure design again, carry out work such as strength check.

As Fig. 7-extension shown in Figure 11, take off the operation scheme drawing.

As shown in Figure 7, be the tongs scheme drawing of slinging, tongs is placed on the ingot casting top, promote tongs, make hook 26 move upward to shown position along guide plate 28, ingot casting by with the friction force of left and right sides jaw 251 and 252, be fixed on the tongs, just can sling ingot casting then, be placed on the desired location.

As shown in Figure 8,, after ingot casting is put into the desired location, unclamp tongs for unclamping the tongs scheme drawing, make hook 26 along guide plate 28 move downward and breaks off relations 27 and guide plate 28 between the gap time, the tongs that hoists reaches and unclamps the tongs purpose.

Shown in Fig. 9-11, lift by crane scheme drawing once more, after unclamping tongs, tongs is placed on another ingot casting top, continue the whereabouts tongs, allow hook 26 along the seat 27 that breaks off relations the triangle swash plate move, when below hook place nadir in the hook of hook 26 is lower than the seat 27 that breaks off relations, tongs hoists, hook 26 pulling unhook seats 27 are upwards rotated, hook 26 can be stuck between guide plate 28 and the unhook seat 27, but continue upward movements, finish unhook along guide plate 28, clamp the ingot casting purpose thereby reach, the lifting tongs is placed on the desired location with this ingot casting, repeats process shown in Figure 8 then.

To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (1)

1. a side tongs is characterized in that, comprising:

Hang;

Cover hangs over the described suspension ring of hanging;

One end is connected described left pipe link and the right pipe link of hanging the lower end and stretching out to bilateral symmetry by bearing pin;

The left clamp arm that the upper end links to each other with the described left pipe link other end by bearing pin;

The right clamp arm that the upper end links to each other with the described right pipe link other end by bearing pin;

Described left clamp arm intersects mutually with described right clamp arm, and is middle continuous by bearing pin;

The right jaw that links to each other with described left clamp arm lower end;

The left jaw that links to each other with described right clamp arm lower end;

On described right clamp arm, be provided with guide plate;

One end is installed on right pipe link near the pin shaft hole place, the other end when described pipe link motion along the hook of described guide plate slides;

Be hinged on unhook seat on the described left clamp arm by bearing pin.

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