CN2291400Y

CN2291400Y - Leakproof crab bucket

Info

Publication number: CN2291400Y
Application number: CN 97211103
Authority: CN
Inventors: 杨宏
Original assignee: REPAIR FACTORY OF ZHANJIANG PORT OFFICE
Current assignee: REPAIR FACTORY OF ZHANJIANG PORT OFFICE
Priority date: 1997-01-28
Filing date: 1997-01-28
Publication date: 1998-09-16
Anticipated expiration: 2007-01-28

Abstract

The utility model discloses a leak-proof grab bucket which is composed of a cross beam, a supporting rod, a steel wire rope, two bucket bodies, a side cutting edge, a bottom cutting edge and a corresponding mechanism. The utility model is characterized in that the two bucket bodies are welded on one side plate by a small rectangular plate, and each side cutting edge is downwards slanted toward the inner portion of the bucket bodies in parallel. The cutting edges are closed to form a non-contact sealing structure, and bulk granular materials are not easy to leak. The condition that the grab bucket normally works and deforms does not influence the sealing performance and the grabbing performance of the cutting edges, and the resistance of materials which are cut and fed is small. The utility model can automatically clean the materials sticking at the cutting edges.

Description

Leakage-proof Clamshell

The utility model belongs to a kind of Leakage-proof Clamshell.

In the bulk material handling process of harbour, it is insoluble in decades technical matters that the grab bucket cutting edge leaks.Someone inlays sealing joint strip by cutting edge, or sets up form such as secondary leak-proof device and make every effort to solve.Since the grab bucket poor working environment, often collision, the cutting edge distortion, some material adhesiveness is strong, and sticking amassing on cutting edge influences the leak tightness of cutting edge, and leakage problem can not get radical cure.

The purpose of this utility model is to provide a kind of Leakage-proof Clamshell that can thoroughly solve the cutting edge leakage problem.

The utility model by crossbeam, strut, steel rope, two lobe bucket bodies (1), side edge (2), shear blade structure (3), be equipped with corresponding mechanism and form, two lobe bucket bodies (1) interlock when closed, side edge (2) is welded on the side plate (4) of two lobe bucket bodies (1) by polylith small rectangle plate, each side edge tilts downwards in bucket body abreast, forms the non-contacting seal structure when cutting edge is closed.

Shear blade structure (3) is to set up a patch board (3a) in cutting edge (7) below of grab bucket, and patch board (3a) fuses by six triangular plates and left bottom blade plate (3b), between patch board (3a) and the left bottom blade plate (3b) five cavitys is arranged.

The utility model is simple in structure, the bucket lip manufacturing process is simple, and cutting edge adopts the non-contacting seal structure, and the side edge of improvement can not flow to outside the bucket scattered seed material in struggling against, under the situation of grab bucket normal operation distortion, do not influence the sealing property of cutting edge and grasp performance.

Description of drawings:

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model left and right sides side edge normotopia or the closed scheme drawing that misplaces;

Fig. 3 is that the utility model B-B is to cutaway view;

B-B when Fig. 4 is the utility model left and right sides side edge dislocation closure is to cutaway view;

Fig. 5 is the utility model shear blade structural representation.

As Fig. 2, shown in Figure 3, be welded with left bucket body side edge (2a) on the left side bucket body side plate (4a), below in bucket body, bucket body side edge inclined-plane, a left side (5a) tilts, be welded with right bucket body side edge (2b) on the right bucket body side plate (4b), below in bucket body, right bucket body side edge inclined-plane (5b) tilts, when two lobe bucket bodies were closed, side edge inclined-plane, the left and right sides was parallel staggered, and about the hand hay cutter sword do not collide.The utility model is under the condition that satisfies intensity, rigidity, and it is little to have an incision material resistance, removes the characteristics such as material that stick to cutting edge automatically.Its leak stopping principle is as follows:

If bulk granular material from the side edge bottom one little sideshake (6) to external leakage, because material is subjected to inclined-plane (5a, 5b) and stops, in annular seal space, slide along A1, A2, A3, A4, when h＞h ', material is in dormant state, be that annular seal space has played the leak stopping effect, for aluminium powder, grade angle ρ=27 of bulk granular material °.

As shown in Figure 4, when the distortion of grab bucket normal operation, when left side sword (2a) and right side sword (2b) dislocation, h, h ' all change, as long as but satisfy this condition of h＞h ', the leakage problem of grab bucket side edge will be resolved.

As shown in Figure 5, shear blade structure (3) is to set up a patch board (3a) in shear blade mouth (7) below of common grab bucket, between patch board (3a) and the left bottom blade plate (3b) five cavitys is arranged, and purpose can not adhered patch board (3a) adhering material.When shear blade mouth (7) is closed when gapped, material leaks from top to bottom, and is deposited on the patch board (3a), as long as satisfy condition l=h/tg ρ＜L, material can not leak out.

Claims

1, a kind of Leakage-proof Clamshell, form by crossbeam, strut, steel rope, two lobe bucket bodies, side edge, shear blade etc., it is characterized in that: side edge (2) was interlaced when two lobe bucket bodies (1) were closed, side edge (2) is welded on the side plate (4) of two lobe bucket bodies (1) by the small rectangle plate, each side edge tilts downwards in bucket body abreast, forms the non-contacting seal structure when cutting edge is closed.

2, according to the described Leakage-proof Clamshell of claim 1, it is characterized in that: shear blade structure (3) is to set up a patch board (3a) in cutting edge (7) below of grab bucket, patch board (3a) fuses by six triangular plates and left bottom blade plate (3b), between patch board (3a) and the left bottom blade plate (3b) five cavitys is arranged.