CN202030443U

CN202030443U - Anti-slip square steel fixture

Info

Publication number: CN202030443U
Application number: CN2011201241115U
Authority: CN
Inventors: 殷延林; 韩杰; 范为耕; 杨军
Original assignee: Qingdao Port Group Co Ltd
Current assignee: Qingdao Port Group Co Ltd
Priority date: 2011-04-25
Filing date: 2011-04-25
Publication date: 2011-11-09
Anticipated expiration: 2021-04-25

Abstract

The utility model provides an anti-slip square steel fixture, which can solve the problems that square steels bundled by wire line hitch have large potential safety hazards, and are big in labor intensity and low in efficiency in the prior art. The anti-slip square steel fixture comprises a hoisting ring, a sling, a bearing beam and two hoisting arms, wherein the hoisting arms are hinged to two ends of the lower surface of the bearing beam. Each hoisting arm is connected with a clamp in a hinged mode, and sawteeth are distributed on two inclined jaw clamping surfaces of the clamp. Two hoisting ears are symmetrically fixedly arranged on the upper surface of the bearing beam, and the hoisting ring is connected with the two hoisting ears through the sling. The anti-slip square steel fixture adopts lever operating principle and a connecting rod mechanism, can conduct self-clamping and self-separating only by depending on self weight without any power source, and realizes full automatic operation and separation of people and goods. The sawteeth arranged on the jaw clamping surfaces of clamp arms effectively prevent the square steel from slipping when the square steel is hoisted and clamped and enable the fixture to be safe and reliable.

Description

Anti-slip square steel anchor clamps

Technical field

The utility model belongs to carman's accessory, relates to a kind of anti-slip square steel anchor clamps.

Background technology

At present, when harbour or building ground operation square steel, originally the long wire line hitch pocket of Shi Yonging hangs square steel, because the crane load limit, once lifts by crane 2～4 square steel (single weight about 2.1 tons).The square steel operation be divided into unload, piling, entrucking three process, when unloading, the workman need use wire line hitch with the square steel one end 30～50cm that slings, under square steel, put two wire line hitchs then, tie up the square steel two ends at each about three meters at two wire line hitch respective distances square steel two ends with these two steel ropes; If quantity is above more than 5 side by side for square steel on the car, because the crane load limit, the workman must separate unnecessary square steel and lifting square steel with crowbar, ties up the back handling with wire line hitch again; When carrying out the square steel piling, square steel laminates mutually, wire line hitch need be extracted out, causes the wire line hitch serious wear, and generally speaking, every kiloton volume of goods loaded and unloaded is scrapped 7～9 of wire line hitchs; The more important thing is that the workman is tying up operation and in palletizing operation with wire line hitch on the hull, wire line hitch easily breaks off relations, and has bigger potential safety hazard.

In sum, there is following shortcoming in prior art square steel loading and unloading: 1, need the workman to tie up square steel with wire line hitch, need the close contact square steel,, can not realize " separation of people's goods " because of flow chart is many, and wire line hitch easily breaks off relations, exist bigger potential safety hazard; 2, during workman's operation, tie up repeatedly, the pull wire line hitch, labour intensity is big; 3, because workman's flow chart is more, cause handling efficiency lower.

Summary of the invention

The utility model provides a kind of anti-slip square steel anchor clamps, can solve in the prior art and tie up the big potential safety hazard of square steel existence with wire line hitch, and labour intensity is big, inefficient problem.

For reaching the purpose that solves the problems of the technologies described above, the utility model is achieved by the following technical solutions:

A kind of anti-slip square steel anchor clamps, comprise suspension ring, hoist cable, carrying crossbeam, be articulated in two arms that carrying crossbeam lower surface two ends are located, each described arm is hinged with clamp, be distributed with sawtooth on the two inclination jaw clamping faces of described clamp, symmetry is installed with two hangers on the upper surface of described carrying crossbeam, and described suspension ring are connected with two described hangers by described hoist cable.

In the technical solution of the utility model, also comprise following additional technical feature:

Described sawtooth is along the horizontal layer distribution from top to bottom of described jaw clamping face.

The tooth depth of described sawtooth from top to bottom increases successively.

The facewidth of described sawtooth from top to bottom increases successively.

Be hinged with positioning plate on the described clamp.

Be connected with support beam between the two described clamps.

The lower surface midway location place of described carrying crossbeam is installed with deadweight rotation tapered end, and correspondence is provided with lock on the described support beam.

Compared with prior art, advantage of the present utility model and good effect are:

1, the anti-slip square steel anchor clamps of the utility model, adopt lever principle of work and connecting rod mechanism, without any need for propulsion source, only depend on deadweight to clamp voluntarily, shirk voluntarily, realize the full automaticity operation of square steel anchor clamps, realized " separation of people's goods ", simultaneously, be distributed with sawtooth on the jaw clamping face of chela, slippage when effectively having prevented the square steel suspension clamp, suspension clamp is safe and reliable;

2, the sawtooth on the jaw clamping face of chela from bottom to top reduces successively, and the raising force when increasing the clamp square steel prevents that effectively square steel from falling, and guarantees safe operation;

3, by on the carrying crossbeam, being oppositely arranged two hangers, guarantee the balance of goods in the lifting operation, strengthened stability and safety;

4, the utility model is simple in structure, and flexible movements have realized the full automaticity operation of square steel anchor clamps, saves manpower about 50%, has reduced labour intensity, has improved handling efficiency greatly.

Description of drawings

Fig. 1 is the structural representation of the anti-slip square steel anchor clamps of the utility model embodiment;

Fig. 2 is an I part-structure enlarged drawing among Fig. 1;

Fig. 3 is the structural representation of sawtooth among the anti-slip square steel anchor clamps of the utility model embodiment;

Among the figure: 1, suspension ring; 2, hoist cable; 3, carrying crossbeam; 3-1 carrying crossbeam lower surface; 3-2, carrying beam surface upper; 4, arm; 4-1, side arm; 5, clamp; 5-1, chela; 5-2, jaw clamping face; 5-3, sawtooth; D, tooth depth; T, the facewidth; 6, hanger; 7, support beam; 8, rotation tapered end; 9, lock; 10, positioning plate.

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

Shown in seeing figures.1.and.2, the anti-slip square steel anchor clamps of present embodiment, comprise suspension ring 1, hoist cable 2, carrying crossbeam 3, be articulated in two arms 4 at place, carrying crossbeam lower surface 3-1 two ends, each arm 4 is hinged with clamp 5, clamp 5 has the chela 5-1 of two cross-articulation, has bevelled jaw clamping face 5-2 on the chela 5-1, two jaw clamping face 5-2 are oppositely arranged, be distributed with sawtooth 5-3 on the jaw clamping face 5-2, set firmly two hangers 6 on the carrying beam surface upper 3-2, two hangers 6 are symmetrical arranged with respect to the central axis of carrying crossbeam 3, and suspension ring 1 are connected with two hangers 6 by hoist cable 2.During operation, the end of two clamps, 5 square steel of clamping simultaneously, hooking suspension ring 1 by the suspension hook of lifting appliance then lifts, because clamp 5 is hinged with arm 4, constitute bar linkage structure, and two relative jaw clamping face 5-2 itself from top to bottom tilt to the center of clamp 5 vertical axis gradually, then during clamp 5 clamping square steel, can under the effect of square steel self gravitation, lock, lift to assigned address, square steel falls, and clamp 5 no longer bears the square steel action of gravity, open voluntarily, realized the full automaticity operation of square steel anchor clamps.

Arm 4 comprises that top is fixed with one, the open two side arms 4-1 in bottom in the present embodiment, makes arm 4 be approximate splayed, and two chela 5-1 of clamp 5 are articulated in side arm 4-1 respectively.

For increasing the friction force between jaw clamping face 5-2 and lifting square steel effectively, improve anti-slip performance, sawtooth 5-3 is along jaw clamping face 5-2 horizontal layer distribution from top to bottom.

With reference to shown in Figure 3, the raising force during for the anti-slip square steel clamp of increase present embodiment square steel, the tooth depth d of sawtooth 5-3 from top to bottom increases successively.So, on this basis as the inclined-plane of the two jaw clamping face 5-2 that are provided with relatively, the tooth depth d of sawtooth 5-3 from top to bottom increases successively, then can increase the uplift force of 5 pairs of square steel of chela, the raising force when effectively having improved the clamp square steel.

Further, the facewidth t of sawtooth 5-3 from top to bottom increases successively.

The square steel play that makes progress influences the safe reliability of lifting operation when preventing to lift, be hinged with positioning plate 10 on the clamp 5, positioning plate 10 is positioned on the two sides of chela 5-1, the position is near the hinge point of chela 5-1, during the clamping square steel, the upper surface of square steel withstands on the positioning plate, has effectively prevented the square steel play that makes progress.

For strengthening the stability and the safe reliability of the anti-slip square steel anchor clamps of present embodiment, be connected with support beam 7 between two clamps 5.

Open voluntarily or closure for ease of clamp 5, the anti-slip square steel anchor clamps of present embodiment also are provided with deadweight and revolve latch mechanism, comprise the corresponding lock 9 that is provided with on tapered end 8 and the support beam 7 that revolves at carrying crossbeam lower surface 3-1 midway location place, and lock 9 is embedded in the support beam 7.If will open clamp 5, utilize the hinged of clamp 5 and arm 4, the anti-slip square steel anchor clamps of present embodiment are folding to be made and revolves tapered end 8 and fall into and be locked in the lock 9, clamp 5 is opened, when beginning to lift in square steel is clamped in clamp 5, revolve tapered end 8 and open in the lock 9 and break away from lock 9, lifting is to the appointed place, revolving tapered end 8 falls into once more and is locked at and clamp 5 is opened square steel is placed on the appointed place, carries out next work cycle then.

The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.

Claims

1. anti-slip square steel anchor clamps, it is characterized in that: comprise suspension ring, hoist cable, carrying crossbeam, be articulated in two arms that carrying crossbeam lower surface two ends are located, each described arm is hinged with clamp, be distributed with sawtooth on the two inclination jaw clamping faces of described clamp, symmetry is installed with two hangers on the upper surface of described carrying crossbeam, and described suspension ring are connected with two described hangers by described hoist cable.

2. anti-slip square steel anchor clamps according to claim 1 is characterized in that: two described jaw clamping faces are the inclined-plane, and described sawtooth is along the horizontal layer distribution from top to bottom of described jaw clamping face.

3. anti-slip square steel anchor clamps according to claim 2 is characterized in that: the tooth depth of described sawtooth from top to bottom increases successively.

4. anti-slip square steel anchor clamps according to claim 3 is characterized in that: the facewidth of described sawtooth from top to bottom increases successively.

5. anti-slip square steel anchor clamps according to claim 4 is characterized in that: be hinged with positioning plate on the described clamp.

6. anti-slip square steel anchor clamps according to claim 5 is characterized in that: be connected with support beam between the two described clamps.

7. anti-slip square steel anchor clamps according to claim 6 is characterized in that: the lower surface midway location place of described carrying crossbeam is installed with deadweight rotation tapered end, and correspondence is provided with lock on the described support beam.