CN211230471U

CN211230471U - Universal cutter assembly of normal-pressure cutter changing device

Info

Publication number: CN211230471U
Application number: CN201921946953.1U
Authority: CN
Inventors: 倪鸿斌; 杨雪芳; 李佳宇; 王树东; 李亚光; 宋华
Original assignee: Tianhe Mechanical Equipment Manufacturing Co Ltd
Current assignee: Tianhe Mechanical Equipment Manufacturing Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-11
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a general knife tackle spare of ordinary pressure toolchanger, it includes a knife section of thick bamboo, install the blade holder in a knife section of thick bamboo, and all with the blade holder phase-match and can dismantle the hobbing cutter and the serrated knife of being connected, the blade holder includes the blade holder body, form the first sloping block on the preceding terminal surface of blade holder body, second sloping block and third sloping block, be formed with the mounting hole that runs through and be used for installing hobbing cutter or serrated knife on the terminal surface of the blade holder body between first sloping block and the second sloping block and between first sloping block and the third sloping block respectively, design through the appearance unification of mounting hole and hobbing cutter seat and serrated knife seat, the problem that same a knife section of thick bamboo can install the hobbing cutter also can install the serrated knife has been solved, the commonality of a knife section of thick bamboo has been increased, the specification of a knife section of thick bamboo has been reduced, manufacturing and administrative cost have been.

Description

Universal cutter assembly of normal-pressure cutter changing device

Technical Field

The utility model belongs to shield constructs quick-witted equipment field, in particular to ordinary pressure toolchanger's general knife tackle spare.

Background

With the increasing development of traffic construction, the construction requirement of large-diameter tunnels is also more and more. Shield machines face increasing challenges as construction tools for large diameter tunnels. The invention relates to a normal-pressure tool changing device, which solves the problem of tool changing operation of a shield machine under large burial depth, high water pressure and complex stratum. Due to the fact that the stratum is complex, the situation that one tunnel penetrates through various geologies can occur, the ordinary pressure tool changer needs to be provided with a hob for rock breaking sometimes, needs to be provided with a serrated knife for soft soil excavation sometimes, and can be used for the ordinary pressure tool changer and the serrated knife for soft soil excavation sometimes. In general, the hob and the serrated knife have different structures, so that the structures of the knife cylinders for mounting the hob and the serrated knife are different, which causes that different types of knife cylinders are required to be used in the same tunnel construction, and increases the construction cost and the management difficulty.

Disclosure of Invention

The utility model aims at providing a general knife tackle spare of ordinary pressure toolchanger, a sword section of thick bamboo and blade holder both can install the hobbing cutter and also can install the serrated knife.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a universal knife assembly of a normal pressure knife changing device comprises a knife cylinder, a knife seat arranged in the knife cylinder, and a hob and a serrated knife which are matched with the knife seat and detachably connected, wherein a connecting flange is formed on the outer side wall of the rear end of the knife cylinder, a through hole for inserting the hob or the serrated knife is formed in the front end surface of the knife cylinder, the knife seat comprises a knife seat body, a first inclined block, a second inclined block and a third inclined block, the first inclined block, the second inclined block and the third inclined block are formed on the front end surface of the knife seat body in a cylindrical shape, an XY axis coordinate system is established by taking the circle center of the front end surface of the knife seat body as an original point, the first inclined block is provided with two inclined blocks which are symmetrical about a Y axis, the installation positions of the second inclined block and the third inclined block are symmetrical about the X axis, and installation holes which penetrate through the knife seat body and are used for installing the hob or the serrated knife are formed in the end surfaces of the knife seat body between the first inclined block, two the face that first sloping block is relative is both the medial surface, the face that second sloping block and third sloping block are relative is medial surface between them, first sloping block second sloping block with set up on the respective preceding terminal surface of third sloping block and run through self and blade holder body and be used for fixed connection's first connecting hole, the medial surface of first sloping block with be formed with first installation inclined plane between the preceding terminal surface of blade holder body, two between the first installation inclined plane be formed with on the preceding terminal surface of blade holder body and run through the second connecting hole of the preceding rear end surface of blade holder body, set up on the respective preceding terminal surface of second sloping block and third sloping block and extend to the mounting groove on the medial surface, form respectively with two in the mounting groove first installation inclined plane coplane second installation inclined plane, the hobbing cutter include with same the first installation inclined plane and the second installation inclined plane phase-match hobbing cutter of mounting hole both sides and with the blade holder rotates the connection's of blade holder The hob body, the serrated knife includes with same first installation inclined plane and the second installation inclined plane phase-match serrated knife seat of mounting hole both sides and with the serrated knife body that the serrated knife seat rotates to be connected.

Preferably, a compression groove is formed in the position, located on one side of the notch of the installation groove, of the front end face of the second inclined block, a compression block is arranged in the compression groove, a compression hole penetrating through the second inclined block and the tool apron body is formed in the bottom of the compression groove, and a compression bolt in threaded connection with the compression block penetrates through the compression hole.

Preferably, a projection profile of the mounting hole on the tool holder body is a first profile, a projection profile of the hob on the tool holder body is a second profile, and the first profile and the second profile are identical in shape and surround the second profile.

Further, the serrated knife body comprises a serrated knife body and a knife head, and the cross section of the serrated knife body is the same as that of the first profile.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the problem that the same knife cylinder can be used for mounting a hob and a serrated knife is solved, the universality of the knife cylinder is improved, the specification of the knife cylinder is reduced, and the manufacturing and management costs are saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view in the direction of P of FIG. 1;

FIG. 3 is a schematic view of the tool holder;

FIG. 4 is a schematic structural diagram of the appearance of a normal pressure hob;

fig. 5 is a schematic structural diagram of the normal pressure serrated knife.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

As shown in fig. 1 and 2, the general knife assembly of the normal pressure knife changing device includes a knife cylinder 9, a knife holder 1 installed in the knife cylinder 9, and a hob 2 and a serrated knife 3 both matched with the knife holder 1 and detachably connected, wherein the knife holder 1 and the knife cylinder 9 are fixedly connected through a second bolt 7.

The connecting flange 4 is formed on the outer side wall of the rear end of the cutter cylinder 9, the through hole 91 for inserting the hob 2 or the serrated knife 3 is formed on the front end face of the cutter cylinder, the cutter holder 1 comprises a cutter holder body 10, a first oblique block 11, a second oblique block 12 and a third oblique block 13 which are formed on the front end face of the cutter holder body 10, and an XY axis coordinate system is established by taking the circle center of the front end face of the cylindrical cutter holder body 10 as an origin.

As shown in fig. 3-5, there are two first inclined blocks 11, which are symmetrical about the Y axis, the mounting positions of the second inclined block 12 and the third inclined block 13 are symmetrical about the X axis, the mounting holes 14 for mounting the hob 2 or the hob 3 are formed on the end surfaces of the tool holder body 10 between the first inclined block 11 and the second inclined block 12 and between the first inclined block 11 and the third inclined block 13, respectively, the two opposite surfaces of the first inclined block 11 are the inner side surfaces thereof, the two opposite surfaces of the second inclined block 12 and the third inclined block 13 are the inner side surfaces thereof, the first connecting hole 51 for fixedly connecting the first inclined block 11 and the tool holder body 10 is formed on the front end surface of each of the first inclined block 11, the second inclined block 12 and the third inclined block 13, the first mounting inclined surface 111 is formed between the inner side surface of the first inclined block 11 and the front end surface of the tool holder body 10, the second connecting hole 52 for penetrating the front and rear end surfaces of the tool holder body 10 is formed on the front end surface of the tool holder body 10 between the two first mounting inclined surfaces 111, offer the mounting groove 53 that extends to on the medial surface on the respective preceding terminal surface of second sloping block 12 and third sloping block 13, form respectively with two first installation inclined plane 111 coplane second installation inclined plane 531 in the mounting groove 53, the preceding terminal surface of second sloping block 12 is gone up and is located the position of mounting groove 53 notch one side and has seted up compressing groove 121, be equipped with compact heap 122 in compressing groove 121, open at the bottom of compressing groove 121 and be equipped with the hole 123 that compresses tightly that runs through second sloping block 12 and blade holder body 10, wear to be equipped with in the hole 123 that compresses tightly with compress tightly the compressing bolt 6 of block 122 threaded connection.

The hob 2 comprises a hob seat 21 matched with the first installation inclined surface 111 and the second installation inclined surface 531 on two sides of the same installation hole 14 and a hob body 23 rotatably connected with the hob seat 21 through a hob shaft 22, the hob body 23 is composed of a hob body 24 and a hob ring 25, and the hob seat body 10 and the hob seat 21 are fixedly connected through a first bolt 8.

The serrated knife 3 comprises a serrated knife seat 31 matched with the first installation inclined surface 111 and the second installation inclined surface 531 on two sides of the same installation hole 14 and a serrated knife body 33 rotatably connected with the serrated knife seat 31 through a serrated knife shaft 32, the serrated knife body 33 consists of a serrated knife body 34 and a knife head 35, and the knife seat body and the serrated knife seat 31 are fixedly connected through a first bolt 8.

The projection profile of the mounting hole 14 on the holder body 10 is a first profile, and the projection profile of the hob 2 on the holder body 10 is a second profile, and the first profile and the second profile have the same shape and are surrounded by the second profile. The cross-sectional shape of the serrated knife body 34 is the same as the first profile cross-sectional shape.

The main axial load borne by the normal-pressure hob and the normal-pressure toothed cutter is transmitted to the cutter holder, then transmitted to the cutter barrel through the screw, and then transmitted to the outer barrel and the cutter head of the normal-pressure cutter changing device through the circular flange. When the rolling cutter and the toothed cutter are replaced, the cutter cylinder is integrally pulled out of the outer cylinder body of the normal-pressure cutter changing device, the cutter seat together with the rolling cutter and the toothed cutter is detached from the cutter cylinder body, and the rolling cutter and the toothed cutter are finally disassembled and replaced.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a general knife tackle spare of ordinary pressure toolchanger which characterized in that: the tool holder comprises a tool holder body, a first inclined block, a second inclined block and a third inclined block, wherein the first inclined block, the second inclined block and the third inclined block are formed on the front end face of the tool holder body, an XY axial coordinate system is established by taking the circle center of the cylindrical front end face of the tool holder body as an original point, the first inclined block comprises two inclined blocks, the mounting positions of the second inclined block and the third inclined block are symmetrical about the X axis, penetrating mounting holes for mounting the hob or the serrated knife are formed in the end faces of the tool holder body between the first inclined block and the second inclined block and between the first inclined block and the third inclined block respectively, and the two opposite faces of the first inclined blocks are inner side faces of the two inclined blocks, the opposite surfaces of the second sloping block and the third sloping block are inner side surfaces of the second sloping block and the third sloping block, a first connecting hole which penetrates through the second sloping block and the tool apron body and is fixedly connected with the first sloping block, a first mounting inclined surface is formed between the inner side surface of the first sloping block and the front end surface of the tool apron body, a second connecting hole which penetrates through the front and rear end surfaces of the tool apron body is formed on the front end surface of the tool apron body between the two first mounting inclined surfaces, mounting grooves which extend to the inner side surface are formed on the respective front end surfaces of the second sloping block and the third sloping block, second mounting inclined surfaces which are coplanar with the two first mounting inclined surfaces are formed in the mounting grooves respectively, and the hob comprises a hob seat which is matched with the first mounting inclined surface and the second mounting inclined surface on two sides of the same mounting hole and a hob body which is rotatably connected with the hob seat, the serrated knife comprises a serrated knife seat matched with the first installation inclined surface and the second installation inclined surface on two sides of the same installation hole and a serrated knife body rotationally connected with the serrated knife seat.

2. The universal tool assembly of an atmospheric tool changer of claim 1, wherein: the tool rest is characterized in that a compression groove is formed in the position, located on one side of the notch of the mounting groove, of the front end face of the second inclined block, a compression block is arranged in the compression groove, a compression hole penetrating through the second inclined block and the tool apron body is formed in the bottom of the compression groove, and a compression bolt in threaded connection with the compression block penetrates through the compression hole.

3. The universal tool assembly of an atmospheric tool changer of claim 1, wherein: the projection profile of the mounting hole on the tool apron body is a first profile, the projection profile of the hob on the tool apron body is a second profile, and the first profile and the second profile are identical in shape and surround the second profile.

4. The universal tool assembly of an atmospheric tool changer of claim 3, wherein: the serrated knife body comprises a serrated knife body and a knife head, and the cross section of the serrated knife body is the same as that of the first profile.