CN101983911A

CN101983911A - Lifting hook

Info

Publication number: CN101983911A
Application number: CN 201010544899
Authority: CN
Inventors: 陆超英; 陆康林
Original assignee: CHANGSHU CITY CABLE FACTORY
Current assignee: CHANGSHU CITY CABLE FACTORY
Priority date: 2010-11-16
Filing date: 2010-11-16
Publication date: 2011-03-09

Abstract

The invention relates to a lifting hook, belonging to the technical field of lifting devices. The lifting hook comprises a lifting rod and a limiting claw, wherein a pulling claw to be pulled into a central hole of a coil of strip is formed at the lower end of the lifting rod, and a lifting ring for connecting with a lifting device is formed at the upper end of the lifting rod; and the limiting claw is used for limiting the coil of strip and is sleeved on the lifting rod in a sliding mode. The invention has the advantages that in the technical scheme, the pulling claw can be pulled into the central through hole of the coil of strip, and the limiting claw limits the coil of strip; because the limiting claw is arranged on the lifting rod in a sliding mode, the limiting claw can be adaptable to the radius change of the coil of strip; and due to the action of the limiting claw, the coil of strip can be conveniently put on an action platform on side, and the pulling claw can be conveniently retracted from the central hole of the coil of strip, thereby reducing the working strength of the on-line operating personnel and improving the lifting operation efficiency.

Description

A kind of suspension hook

Technical field

The invention belongs to handling utensil technical field, be specifically related to a kind of suspension hook, be used for the steel belt disk handling.

Background technology

Suspension hook as the handling utensil, particularly be no lack of in the Chinese patent literature at patent documentation and be seen in, for example application for a patent for invention publication No. CN101759093A recommends that a kind of suspension hook is arranged, and this suspension hook is suitable for the handling to pipe, and can avoid suspension hook that the mouth of pipe of pipe is caused distortion.Again, application for a patent for invention publication number CN101580204A discloses a kind of spring suspension hook that is used to lift by crane circular object, it is to adopt a four-bar linkage to control a pair of hold-fast ring folding, and the aspectant side at a pair of hold-fast ring is installed with the anti-slip rubber cover, both play anti-skidding effect by the anti-slip rubber cover, played the metal object of avoiding undermining by handling again.And application for a patent for invention publication No. CN101746667A discloses a kind of manual suspension hook, simulates the folding form pick-and-place object of finger to hang pawl, or the like.Why in disclosed patent documentation, can be seen in the suspension hook that is not limited to the aforementioned various structures that exemplify in a large number, be of a great variety, determining the variation of suspension hook structure by the geometric shape of hanging object because of suspended object spare form related in daily life and production practice.

But, in disclosed patent and non-patent literature, do not see the steel band handling and the suspension hook simple in structure that is suitable for coil shape, with electric wire production firm is example, and steel band is used as the armor layer of electric wire, before use, earlier coil of strip is sling, wipe out and be banded in being used on the coil of strip and prevent from then to be placed into the strapping (cotton tie) of coil of strip debatching on the tight winding apparatus, tightly roll up by tight winding apparatus, and make the corresponding two sides leveling of coil of strip, be transferred to production line of electrical wire and cable at last.

Because the particularity of coil of strip form, the suspension hook of known steelyard hook shape be difficult to draw and the medium pore of coil of strip in, and there is the anxiety that comes off, especially on the coil of strip that will before be in vertical state couches the job platform of tight winding apparatus, suspension hook is pushed down by coil of strip and is difficult to move apart, need with instrument coil of strip be levered up by the online assignment personnel is enough to degree that suspension hook is moved apart, thereby has both increased operating personnel's working level, influences operating efficiency again.For this reason, the applicant has carried out exploration and trial repeatedly, finds a way to resolve the problem, and technical scheme described below produces under this background.

Summary of the invention

Task of the present invention is to provide a kind of and can guarantees to draw and the medium pore of coil of strip, the change in radius that can adapt to coil of strip again can also be lain on one's side coil of strip easily on job platform and can be recessed coil of strip easily and use the working strength that alleviates the online assignment personnel and improve the suspension hook of handling efficient.

Task of the present invention is finished like this, and a kind of suspension hook comprises a suspension rod, and the lower end of this suspension rod constitutes a pawl of drawing that is used to draw into the medium pore of coil of strip, is used for and overhead hoist bonded assembly suspension ring and the upper end of suspension rod constitutes one; One is used for the position-limited claw spacing to coil of strip, is set in slidably on the described suspension rod.

In a specific embodiment of the present invention, the described pawl of drawing constitutes vertical with described suspension rod.

In another specific embodiment of the present invention, described position-limited claw comprises a transverse arm and at least one trailing arm, and transverse arm has a transverse arm cover, and the transverse arm cover has a through hole, through hole and described suspension rod bearing fit, trailing arm are positioned at the end of transverse arm and constitute vertical with transverse arm.

Technical scheme provided by the invention can be by drawing that pawl is drawn and in the center through hole of coil of strip, and spacing to coil of strip by position-limited claw; Because position-limited claw slides and is equipped on the suspension rod, therefore can adapt to the variation of coil of strip radius; Because the effect of position-limited claw, coil of strip is lain on one's side on the effect platform easily, and can make and draw the medium pore that pawl is recessed coil of strip easily, thereby can alleviate online assignment personnel's working strength and improve lifting job efficient.

Description of drawings

Fig. 1 is a specific embodiment constructional drawing of the present invention.

Fig. 2 is an application examples scheme drawing of the present invention.

The specific embodiment

Embodiment:

Ask for an interview Fig. 1, for the ease of the public's understanding, the applicant has illustrated coil of strip 3, the central authorities of coil of strip 3 to have a center through hole 31 in Fig. 1.Suspension hook provided by the invention comprises a suspension rod 1, this suspension rod 1 is made by metallic material, in the end, lower end of suspension rod 1 and constitute one towards a lateral buckling and draw pawl 11, this is drawn pawl 11 and constitutes vertical with suspension rod 1, constitute 90 ° of relations promptly and between the suspension rod 1, constitute suspension ring 12 in the end, upper end of suspension rod 1; One position-limited claw 2, this position-limited claw 2 can slide up and down to be nested with on suspension rod 1, preferred structure as position-limited claw 2, comprise a transverse arm 21 and a pair of trailing arm 22, constitute transverse arm cover 211 at the position placed in the middle of the length direction of transverse arm 21, on transverse arm cover 211, constitute a through hole 2111, by this through hole 2111 transverse arm 2 is nested with on suspension rod 1, owing to there is a pair of trailing arm 22, therefore one of them trailing arm 22 is positioned at an end of transverse arm 21, another trailing arm 22 then is positioned at the other end of transverse arm 21, and a pair of trailing arm 22 constitutes vertical relation with transverse arm 21.Distance between trailing arm 22 and the suspension rod 1 adapts with the width of graphic coil of strip 3.After drawing pawl 11 and drawing in the center through hole 31, whole position-limited claw 2 is fallen by deadweight, coil of strip is insinuated in the cavity that constitutes between trailing arm 22 and the suspension rod 1, and respectively the both sides of coil of strip 3 are limited by suspension rod 1 and position-limited claw 22, the situation that pawl 11 is deviate from center through hole 31 in the handling process, can not occur drawing, thereby can guarantee the safety of lifting job.

If save one of them trailing arm 22 in a pair of trailing arm 22, promptly, has only a trailing arm 22, so above-mentioned effect can embody equally, when and for example the width of fruit coil of strip 3 has surpassed spacing between suspension rod 1 and the trailing arm 22, as long as change specification of the present invention, the so-called notion of changing specification of the present invention is meant: change the suspension hook of the present invention that the distance that has between suspension rod 1 and the trailing arm 22 is suitable for the thickness of coil of strip 3 so.

Application examples

Ask for an interview Fig. 2, the applicant has illustrated the hook 4 of overhead hoist, hook 4 to draw and in the suspension ring hole 121 of suspension ring 12 in Fig. 2.Under the work of overhead hoist, will by draw that pawl 11 is drawn and coil of strip 3 handlings to job platform 5 places of tight winding apparatus, on job platform 5, be provided with the coil of strip core dish 51 and the slotted eye 52 of stepping down, make the center through hole 31 of coil of strip 3 aim at coil of strip core dishes 51 and couch on job platform 5, one end of the transverse arm 21 of position-limited claw 2 and a trailing arm 22 are corresponding to the slotted eye 52 of stepping down, lie against fully on the job platform 5 until coil of strip 3, withdraw suspension hook of the present invention.

In sum, suspension hook provided by the invention makes by suspension rod 1 and 2 two component set-ups of position-limited claw, so structure is very terse, the slip of position-limited claw 2 on suspension rod 1 can adapt to the variation of the radius of coil of strip 3, be that radius is big more, position-limited claw 2 moves up (Fig. 1 state is an example) more, and vice versa.

Claims

1. a suspension hook is characterized in that comprising a suspension rod (1), the lower end of this suspension rod (1) constitute one be used to draw into the medium pore of coil of strip draw pawl (11), be used for and overhead hoist bonded assembly suspension ring (12) and the upper end of suspension rod (1) constitutes one; One is used for the position-limited claw spacing to coil of strip (2), is set in slidably on the described suspension rod (1).

2. a kind of suspension hook according to claim 1 is characterized in that the described pawl (11) of drawing constitutes vertical with described suspension rod (1).

3. a kind of suspension hook according to claim 1, it is characterized in that described position-limited claw (2) comprises a transverse arm (21) and at least one trailing arm (22), transverse arm (21) has a transverse arm cover (211), transverse arm cover (211) has a through hole (2111), through hole (2111) and described suspension rod (1) bearing fit, trailing arm (22) are positioned at the end of transverse arm (21) and constitute vertical with transverse arm (21).