CN216841673U

CN216841673U - Double-groove structure of inserted cutter ring body of shield tunneling machine

Info

Publication number: CN216841673U
Application number: CN202122922787.5U
Authority: CN
Inventors: 苏昂; 秦冰超; 张朝阳; 郑忠; 侯荣强; 马勇; 庞贵阳; 冯来庆
Original assignee: Zhengzhou Coal Machine Green Material Technology Co ltd
Current assignee: Zhengzhou Coal Machine Green Material Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-28
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a double-groove structure of a tooth-inlaid cutter ring body of a shield tunneling machine, which comprises a rolling wheel and two grooves, wherein the rolling wheel is of an annular structure with a mounting hole in the middle, and a key groove or a key is arranged on the side wall of the mounting hole along the axial direction; the two grooves are arranged on the outer peripheral surface of the rolling wheel, are annular, and have the same or different sizes, the cross section of each groove is a partial reverse surface of the cross section of the cutter ring body with the embedded teeth, and the width of each groove is less than or equal to one third of the whole width of the rolling wheel. The double-groove structure of the inserted cutter ring body of the shield tunneling machine has the advantages of double-groove structure, one-step forming of two inserted cutter rings and improvement of manufacturing efficiency of the inserted cutter rings.

Description

Double-groove structure of inserted cutter ring body of shield tunneling machine

Technical Field

The utility model relates to the field of parts of shield tunneling machines, in particular to a double-groove structure of a tooth-inlaid cutter ring body of a shield tunneling machine.

Background

The inserted cutter ring is a key part adopted by the shield tunneling machine during shield tunneling, and the surface abrasion and the cracking of the cutter ring body are serious due to high-speed friction and collision with a rock stratum for a long time during working, so that the product belongs to an easily-worn product.

However, the general production mode for producing the cutting ring with inserted teeth is one-die one-forging, blank making by a press machine and rolling by a 500-hole expanding machine, so that the production efficiency is low, the manufacturing period of a forming die is long, and the production cost is higher.

Wherein, 500 reamers are used for carrying out reaming and cutter ring's exterior structure roll forming to the inserted tooth cutter ring, and an inserted tooth cutter ring consumes a shaping frock at present.

The applicant considers that the adjustment difficulty of the production process is high, and needs to design a novel inserted cutter ring forming tool in order to reduce cost and improve efficiency, so that the single utilization rate of the tool is improved, the time is saved, the production cost is reduced, and the product competitiveness is improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a double-groove structure of a tooth-inlaid cutter ring body of a shield machine, which has a double-groove structure, can be used for forming two tooth-inlaid cutter rings at one time and can be used for improving the manufacturing efficiency of the tooth-inlaid cutter rings.

In order to achieve the purpose, the utility model adopts the technical scheme that: a double-groove structure of a tooth-inlaid cutter ring body of a shield tunneling machine comprises a rolling wheel and two grooves, wherein the rolling wheel is of an annular structure with a mounting hole in the middle, and a key groove or a key is formed in the side wall of the mounting hole along the axial direction; the two grooves are arranged on the peripheral surface of the rolling wheel, are annular, and have the same or different sizes.

Basically, the cross section of the groove is a partial reverse surface of the cross section of the ring body of the inserted tooth cutter.

Basically, the width of the groove is less than or equal to one third of the whole width of the rolling wheel.

Basically, two slots are set up with the central line symmetry of mounting hole.

Basically, the inside wall of mounting hole includes a section inclined plane that inwards extends from the outer end and is located a section vertical face of inner.

Basically, the inclined plane sections at the two sides of the mounting hole are symmetrically arranged by the central line of the mounting hole.

Basically, the key way or key extends to a ramp section.

Basically, one side end face of the rolling wheel is a positioning face.

Compared with the prior art, the rolling wheel has substantial characteristics and progress, and particularly, the rolling wheel is designed, the width of the rolling wheel is designed according to the space maximization of a hole expanding machine and a tool, then two strip-shaped grooves are accommodated in one rolling wheel, and the two strip-shaped grooves can roll two kinds of inserted cutter rings, so that the use efficiency of the rolling wheel is improved, and the production efficiency of the inserted cutter rings is further improved.

Furthermore, in order to ensure the structural stability of the rolling wheel, particularly the stable support of the two strip-shaped grooves, a key groove or a key and an inclined plane section are arranged in the mounting hole, so that higher precision support and structural stability support are provided for the grooves.

Furthermore, the two strip-shaped grooves and the inclined plane sections are symmetrically arranged by taking the center line as a boundary, so that the installation is not required to be considered, the installation is positive and negative, and the application difficulty is low.

Drawings

FIG. 1 is a schematic structural diagram of a double-groove structure of a tooth-inserted cutter ring body of a shield tunneling machine.

FIG. 2 is a schematic diagram of the rolling process of the inserted cutter ring body of the shield machine.

In the figure: 1. a rolling wheel; 2. a slot; 3. mounting holes; 4. a key; 5. a cutter ring with embedded teeth; 6. a guide wheel.

Detailed Description

The technical solution of the present invention is further described in detail by the following embodiments.

As shown in fig. 1, the double-groove structure of the inserted cutter ring body of the shield tunneling machine comprises a rolling wheel 1 and two grooves 2, wherein the rolling wheel 1 is of an annular structure with a mounting hole 3 in the middle, and a key groove or key 4 along the axial direction is arranged on the side wall of the mounting hole 3; the two grooves 2 are arranged on the outer peripheral surface of the rolling wheel 1, the two grooves 2 are annular, the sizes of the two grooves 2 are the same, the cross section of each groove 2 is a partial reverse surface of the cross section of the cutter ring with the embedded teeth 5, and the width of each groove 2 is smaller than or equal to one third of the whole width of the rolling wheel 1.

The two grooves 2 are symmetrically arranged by the central line of the mounting hole 3, the inner side wall of the mounting hole 3 comprises a section of inclined plane 3-1 extending inwards from the outer end and a section of vertical plane 3-2 positioned at the inner end, the inclined plane sections 3-1 at the two sides of the mounting hole 3 are symmetrically arranged by the central line of the mounting hole, the extending length of the key slot or key 4 reaches the inclined plane section 3-1, and one side end face of the rolling wheel 1 is a positioning face.

The utility model provides a rolling wheel 1 mainly used and the cooperation of leading wheel 6 carry out the rolling of cutter ring body on 500 reamers, and the manufacturing link of rolling wheel is complicated, cycle length, with high costs, and manufacturing process includes: the method comprises the steps of casting process drawing, wood mold moulding, box assembling, electric furnace smelting, pouring, heat preservation, box opening, sand shakeout, sand cleaning, dead head cutting, normalizing, rough machining, heat treatment and finish machining.

Therefore, the rolling wheel is designed into a double-groove structure, multiple grooves are machined by one rolling wheel, the effective utilization rate of the rolling wheel is improved, the installation and debugging time can be saved, the production efficiency is improved, and the production cost is reduced.

As shown in fig. 2, when the rolling device is used specifically, one of the grooves is aligned with the guide wheel 6 for installation, then the inserted cutter ring 5 is clamped between the guide wheel 6 and the rolling wheel 1, the inserted cutter ring 5 is rolled, after rolling of a batch of similar inserted cutter rings 5 is completed, the inserted cutter ring 5 is replaced, the rolling wheel 1 is taken down, the vertical direction of the rolling wheel 1 is changed, rolling of a second batch of inserted cutter rings 5 is performed by using a second groove, the size of the second batch of inserted cutter rings 5 can be the same as that of the first batch of inserted cutter rings, and can be different from that of the first batch of inserted cutter rings 5.

Finally, it should be noted that the above examples are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: modifications of the embodiments of the utility model or equivalent substitutions for parts of the technical features are possible; without departing from the spirit of the utility model, it is intended to cover all modifications within the scope of the utility model as claimed.

Claims

1. The utility model provides a shield constructs quick-witted inserted tooth cutter ring body slot structure, its characterized in that: the rolling wheel is of an annular structure with a mounting hole in the middle, and a key groove or a key is arranged on the side wall of the mounting hole along the axial direction; the two grooves are arranged on the peripheral surface of the rolling wheel, are annular, and have the same or different sizes.

2. The double-groove structure of the inserted cutter ring body of the shield tunneling machine as claimed in claim 1, wherein: the cross section of the groove is a partial reverse surface of the cross section of the cutter ring body with the inserted teeth.

3. The double-groove structure of the inserted cutter ring body of the shield tunneling machine as claimed in claim 2, wherein: the width of the groove is less than or equal to one third of the whole width of the rolling wheel.

4. The double-groove structure of the insert cutter ring body of the shield tunneling machine according to claim 3, characterized in that: the two slots are symmetrically arranged with the center line of the mounting hole.

5. The double-groove structure of the insert cutter ring body of the shield tunneling machine according to claim 4, characterized in that: the inside wall of mounting hole includes a section of inclined plane and the vertical face that is located the inner that inwards extends from the outer end.

6. The double-groove structure of the inserted cutter ring body of the shield tunneling machine as claimed in claim 5, wherein: the inclined plane sections on the two sides of the mounting hole are symmetrically arranged by the central line of the mounting hole.

7. The double-groove structure of the inserted cutter ring body of the shield tunneling machine as claimed in claim 6, wherein: the keyway or key extends a length up to a ramp section.

8. The double-groove structure of the inserted cutter ring body of the shield tunneling machine as claimed in claim 7, wherein: one side end face of the rolling wheel is a positioning face.