CN2138639Y

CN2138639Y - Hanging tongs

Info

Publication number: CN2138639Y
Application number: CN 92232756
Authority: CN
Inventors: 韩文彬
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-09-14
Filing date: 1992-09-14
Publication date: 1993-07-21
Anticipated expiration: 2002-09-14

Abstract

A hanging clamp comprises a jaw, a clamp handle, an adjusting rod and a tail ring which are arranged in a staggered mode, wherein the adjusting rod plays a role in positioning the clamp handle. The hanging tongs can be used singly, and can also be used in combination with a plurality of tongs after a hanging rod is additionally arranged, so that a plurality of oil drums can be hoisted at a time. The biting force of the jaw is changed proportionally along with the increase of the weight of the hung barrel, and the larger the barrel is, the larger the biting force is, and the jaw is safe and reliable.

Description

Crane pincers

The utility model relates to a kind of tongs, the tongs of especially can sling oil drum or other dress thing bucket.

At present, in the handling process of oil drum and other barreled article, except that specialized depot adopted the clamping hoop type lifting device, most units were because the instrument imperfection all adopts the method lift onlift off system of tying and roping during loading and unloading.Make loading and unloading in this way require binding firmly, otherwise can cause danger because of slippage, binding is wasted time and energy, and generally can only singlely lift.

The purpose of this utility model is to provide a kind of easy lifting device of above-mentioned defective in the prior art that overcome, and it can easily be with the oil drum lift onlift off system, and safe and reliable.

The purpose of this utility model is achieved in that by two forms a kind of tongs by rotating shaft cross connection pincers handle, adjusting lever and tail ring together.Pincers are the sweep of head jaw, and the combination that misplaces one on the other of two jaws studs with on the jaw and stings nail, clamp the sphere of tail end increased on the thick part to have circular hole, and the tail ring just is through on this circular hole.One end of adjusting lever is the U-shaped bayonet socket, is fixed on pincers last by rotating shaft.The other end of adjusting lever is provided with handle, spring and handle ratchet, and another pincers are then passing adjusting lever, and the outside of this pincers handle is provided with ratchet.

The utility model has the advantages that: this tongs is simple in structure, and is easy to use.Because along with by the increase of lifting object bucket weight, therefore the also corresponding increase of the snap-in force of tongs, uses this tongs safe and reliable, is difficult for meeting accident.This tongs can also make up and usefulness several dress thing buckets of slinging simultaneously by many pincers except can using separately.

Fig. 1 is the structural representation of the utility model tongs.

Describe the utility model in detail below in conjunction with accompanying drawing.

As shown in Figure 1, this tongs mainly by by rotating shaft 4 cross connections pincers together 5 and pincers 6 and adjusting lever 14 form, pincers tail end increase on the thick part 13 and have circular hole, tail ring 11 just is through in this circular hole, the head-bent of pincers handle partly is the jaw of upper and lower dislocation combination, one is that upper jaw 3, is all to stud with in the middle part of lower jaw 2, two jaws to sting nail 1.One end of adjusting lever 14 is the U-shaped bayonet socket, is fixed on pincers 6 afterbodys by rotating shaft 12, and the other end of adjusting lever is provided with handle 7, spring 8 and ratchet 9.Pincers pass adjusting lever 14 to 5, and are provided with ratchet 10 in the outside of clamping 5.

When using this tongs to hang oil drum or other dress thing bucket, pull out adjusting lever handle 7 earlier, adjusting lever 14 12 is moved down around the shaft.Handle pincers 5,6, upper jaw 3 is placed on bucket edge the inside, lower jaw 2 is placed on bucket along the outside, then the adjusting lever handle is upwards pushed away, and upper and lower jaw is interlocked, and stings nail and stings tight bucket edge.After unclamping the adjusting lever handle, handle ratchet 9 under the effect of spring 8 with ratchet 10 interlocks of pincers on 5, thereby make handle 7 location, clamp and can not unclamp 5,6.Then, the two ends of hoist cable (not shown) are tied up to respectively on the tail ring of two pincers handles, can lift.

Because when lifting, hoist cable was not perpendicular to ground-surfacely, so can produce two component on the hoist cable.Its vertical component is upwards sling oil drum, and its conicity force then affacts on the jaw by the rotating shaft 4 that clamps 5,6, makes the jaw interlock tighter.Suspended object is heavier, and the snap-in force of jaw is also bigger, promptly the jaw snap-in force with by the variation in direct ratio of lifting object bucket weight, so just can not occur because of the jaw that is occurred greatly by the dress thing bucket weight phenomenon that gets loose.

Claims

1, a kind of tongs, by clamping (5,6), adjusting lever (14) and tail ring (11) are formed, it is characterized in that pincers are linked together (5) and pincers to (6) by rotating shaft (4), pincers partly are the head-bent of (5) upper jaw (3), pincers partly are the head-bent of (6) lower jaw (2), and upper and lower jaw dislocation combination studs with on the jaw and stings nail (1); Pincers increase the sphere of tail end on the thick part (13) and to have circular hole, tail ring (11) just is through in this circular hole, one end of adjusting lever (14) is the U-shaped bayonet socket, be fixed on pincers on (6) by rotating shaft (12), the other end of adjusting lever is provided with handle (7), spring (8) and handle ratchet (9), pincers then pass adjusting lever (14) to (5), and pincers are provided with ratchet (10) to the outside of (5).