CN202152684U

CN202152684U - Installation structure of first knife and knife box

Info

Publication number: CN202152684U
Application number: CN201120272827XU
Authority: CN
Inventors: 王茂
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-29
Filing date: 2011-07-29
Publication date: 2012-02-29
Anticipated expiration: 2021-07-29

Abstract

The utility model discloses an installation structure of a first knife and a knife box, which comprises a first knife and a knife box, wherein the knife box is provided with a knife insertion slot, the inner wall of the knife insertion slot is provided with a hole, two sides of the knife box are provided with fixed ends used for fixing the knife box, the other two sides of the knife box are welded with inclined supporting blocks used for fixing, the fixing end is a cylinder with an arc cross section, two sides of the upper end of the fixing end are provided with fixing end surfaces in a downward inclined way, the first knife is fastened in the knife insertion slot of the knife box by an L-shaped insertion block, and the knife box and a knife rest are installed in a matched way by the fixing end surface and an inclined fixing block, so that the installation structure has the advantages of being simple in structure and convenient to assemble and disassemble, thus solving the problems in the prior art that the installation of the first knife is troublesome and the assembly and the disassembly of the first knife are inconvenient.

Description

The mounting structure of cutter and cutter box in advance

Technical field

The utility model relates to a kind of mounting structure of cutter, relates in particular to the mounting structure of a kind of cutter in advance and cutter box.

Background technology

Shield machine is mainly used in the constructing tunnel.In cutter head of shield machine, cutter is the cutter that in advance cuts the soil body in advance, and it cut the soil body in advance before the cutting knife cutting soil body, with soil body cutting whole into sections, creates good machining condition for cutting knife, and the cutting width of cutter is generally narrow than cutting knife in advance, and stock-removing efficiency is higher.Adopt cutter in advance, can significantly increase the flowability of the cutting soil body, reduce the moment of torsion of cutting knife greatly, improve the stock-removing efficiency of cutting knife, reduce the abrasion of cutting knife, on the loose media stratum, especially the go ahead of the rest result of use of cutter of sand-pebble layer is fairly obvious.In the same hobboing cutter cutter box of composite shield machine, need hobboing cutter to have and exchange the function of using with the cutter of going ahead of the rest; When this goes ahead of the rest cutter in installation; The common fixed form in hobboing cutter cutter box of cutter in advance is complicated, in case parts damages are difficult to repair when construction; Make troubles to installation, and dismounting is also very inconvenient.

The utility model content

The purpose of the utility model is to provide the mounting structure of a kind of cutter in advance and cutter box; It has solved at present the problem of the trouble of cutter installation and dismounting inconvenience in advance; Have be convenient to install, the advantage of simple in structure and easy accessibility, cutter also can exchange use with hobboing cutter with its cutter box in same hobboing cutter cutter box in advance simultaneously.

The purpose of the utility model is to realize through following technical scheme:

The mounting structure of a kind of cutter in advance and cutter box comprises cutter and cutter box in advance, and said cutter box has knife inserting groove; Said knife inserting groove inwall is provided with porose; Said in advance cutter is from last or penetrate knife inserting groove down, and the fixed axis that is provided with through cutter bottom in advance and the hole of knife inserting groove inwall fix, and the said cutter top of going ahead of the rest has screwed hole; Said in advance cutter is fastened in the knife inserting groove of cutter box through fixing inserted block; The both sides of said cutter box are provided with and are used for the fixing fixed end of cutter box, and to be welded with the fixing oblique back-up block, said fixed end used be that cross section is that cylinder and the both sides, upper end of circular arc have fixedly end face under oblique in both sides in addition; The both sides, plane have to fix and use screwed hole on the said fixed end, have on the said oblique back-up block to be used for the through hole that the cutter box is installed.

Said fixedly inserted block is a L shaped inserted block, and is close to from top to bottom in advance that cutter inserts in the cutter box knife inserting groove, and said fixedly inserted block top is through in two screwed holes that are bolted to cutter in advance.

The beneficial effect of the utility model does; The mounting structure of said cutter in advance and cutter box; When it is installed, cutter one end of going ahead of the rest is inserted in the knife inserting groove of box body, and fastening through L shaped inserted block; Cooperate installation with tool rest through fixed end on the cutter box and oblique fixed block, make it have simple in structure and advantage easy accessibility.

Description of drawings

According to accompanying drawing and embodiment the utility model is done further explain below.

Fig. 1 is the mounting structure front view of said cutter in advance of the utility model and cutter box;

Fig. 2 is the mounting structure vertical view of said cutter in advance of the utility model and cutter box;

Fig. 3 is that the A-A of Fig. 1 is to partial sectional view.

Among the figure:

1, cutter in advance; 2, cutter box; 3, knife inserting groove; 4, L shaped inserted block; 5, fixed axis; 6, hole;

7, oblique back-up block; 8, fixed end; 9, fixing end face; 10, bolt; 11, screwed hole;

12, hole; 13, hole; 14 screwed holes.

The specific embodiment

Shown in Fig. 1-3, in present embodiment, the mounting structure of said cutter in advance and cutter box comprises cutter 1 and cutter box 2 in advance; Said cutter box 2 has knife inserting groove 3; It is porose 6 that said knife inserting groove 3 inwalls are provided with, and said cutter 1 top in advance has screwed hole 11, and the both sides of said cutter box 2 are provided with and are used for the fixing fixed end 8 of cutter box 2; Both sides are welded with fixing with oblique back-up block 7 in addition; Said fixed end 8 is that cross section is that cylinder and the both sides, upper end of circular arc have fixedly end face 9 under oblique, and the both sides, plane have fixingly with screwed hole 11 on the said fixed end 8, have on the said oblique back-up block 7 and are used for hole 12 and the hole 13 that the cutter box is installed.

During assembling; On the knife inserting groove 3 from the cutter box 2 of cutter 1 in advance or below is penetrated; The fixed axis 5 that is provided with on the cutter 1 of going ahead of the rest is inserted in the holes 6 that are provided with in the knife inserting grooves 3; Be close in advance that cutter 1 inserts L shaped inserted block 4 in the knife inserting grooves 3, and pass L shaped inserted block 4 tops with two bolts 10 and cooperate fasteningly with the screwed hole 14 on cutter 1 top in advance, the fixedly end face 9 of fixed end 8 and oblique back-up block 7 are used for the installation cooperation with tool rest; And the hole 12 on the screwed hole 11 through both sides, plane on the fixed end 8 and the oblique back-up block 7 with 13 and other fixed block use bolton, make go ahead of the rest cutter and the fixation in tool rest of cutter box.

The mounting structure of said go ahead of the rest cutter and cutter box, it has solved at present the problem of the trouble of cutter installation and dismounting inconvenience in advance, cooperates installation with tool rest through fixed end on the cutter box and oblique fixed block, makes it have simple in structure and advantage easy accessibility.

Claims

1. the mounting structure of cutter and cutter box of going ahead of the rest comprises cutter and cutter box in advance, and it is characterized in that: said cutter box has knife inserting groove; Said knife inserting groove inwall is provided with porose; Said in advance cutter is from last or penetrate knife inserting groove down, and fixes through the fixed axis of cutter setting in advance and the hole of knife inserting groove inwall, and the said cutter top of going ahead of the rest has screwed hole; Said in advance cutter is fastened in the knife inserting groove of cutter box through fixing inserted block; The both sides of said cutter box are provided with and are used for the fixing fixed end of cutter box, and to be welded with the fixing oblique back-up block, said fixed end used be that cross section is that cylinder and the both sides, upper end of circular arc have fixedly end face under oblique in both sides in addition; The both sides, plane have to fix and use screwed hole on the said fixed end, have on the said oblique back-up block to be used for the through hole that the cutter box is installed.

2. the mounting structure of cutter in advance according to claim 1 and cutter box; It is characterized in that: said fixedly inserted block is a L shaped inserted block; And be close to from top to bottom in advance that cutter inserts in the cutter box knife inserting groove, said fixedly inserted block bottom is through in two screwed holes that are bolted to cutter in advance.