CN212958633U

CN212958633U - Green's shield tunnel entry driving machine cutter device

Info

Publication number: CN212958633U
Application number: CN202021089031.6U
Authority: CN
Inventors: 陈叶琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-04-13
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a shield tunnel boring machine cutter device of green relates to shield and constructs machine utensil field, including two supporting seats, be provided with the axostylus axostyle between two supporting seats, the outer wall middle part fixedly connected with of axostylus axostyle is a plurality of stoppers that are the annular array and distribute on the axial direction of axostylus axostyle, and the outer wall middle part of axostylus axostyle cup joints and is connected with the hobbing cutter body, and the both sides of hobbing cutter body all are provided with limit baffle, and a plurality of spacing grooves that are the annular array and distribute are all seted up to the inner wall of hobbing cutter body and. The utility model discloses a pass through rolling bearing and supporting seat swing joint at the both ends of axostylus axostyle, rolling bearing's the outside is provided with end cap seal, sets up rolling bearing in the supporting seat of hobbing cutter body both sides and has avoided the contact of rolling bearing with muddy water through end cap seal's setting, has increased rolling bearing's life for hobbing cutter body life is longer.

Description

Green's shield tunnel entry driving machine cutter device

Technical Field

The utility model relates to a shield constructs quick-witted apparatus field, in particular to shield tunnel entry driving machine cutter device of green.

Background

At present, the shield machine is widely applied to the construction field of tunnel engineering such as subway, railway, highway, municipal administration, hydropower and the like. The basic working principle of the shield machine is that a cylindrical shield machine body is pushed forwards along the axis of a tunnel and excavates soil. The shield machine main body shell, namely the shield, plays a temporary supporting role for excavated tunnel sections which are not lined yet, bears the pressure of surrounding soil layers, sometimes also bears the underground water pressure and keeps underground water out. Excavation, soil discharge, lining, and the like are performed under the shield of a shield, and a shield machine cutter, which is one of important parts of a shield machine, is mounted on a cutter head of the shield machine and mainly excavates soil, rocks, and the like in a tunnel along with the rotation of the cutter head. The hob is used as an important component on a cutter head of the shield tunneling machine and is mainly used for crushing and cutting a stratum, the hob is sleeved on the outer side of the rotating shaft through a bearing, due to the fact that the hob is in contact with a rock stratum for a long time, muddy water in the rock stratum easily enters the bearing of the hob, the hob is difficult to rotate after the muddy water entering the bearing is damaged, long-time friction is caused between the single side of the hob and the stratum, and the service life of the hob is seriously shortened.

Therefore, it is necessary to provide a green environment-friendly shield tunneling machine cutter device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield tunnel boring machine cutter device of green to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly shield tunneling machine cutter device comprises two supporting seats, a shaft lever is arranged between the two supporting seats, the middle part of the outer wall of the shaft lever is fixedly connected with a plurality of limiting blocks which are distributed in an annular array in the axial direction of the shaft lever, the middle part of the outer wall of the shaft lever is connected with a hob body in a sleeved mode, two sides of the hob body are provided with limit baffles, the inner walls of the hob body and the limit baffle are both provided with a plurality of limit grooves distributed in an annular array, the two sides of the middle part of the outer wall of the limit baffle are both provided with limit bolts, the two sides of the middle part of the outer wall of the limit baffle are both provided with jacks matched with the limit bolts, the outer wall of the shaft lever is provided with screw holes corresponding to the jacks, the outer sides of the two ends of the shaft lever are respectively connected with a rotating bearing in a sleeved mode, the shaft lever is movably connected with the supporting seat through the rotating bearings, and end cover seals are arranged on one sides, close to each other, of the two rotating bearings.

Preferably, one end of the limiting bolt penetrates through the jack and is inserted into the screw hole, and one end of the limiting bolt is fixedly connected with the inner wall of the screw hole through threads.

Preferably, the end cap sealing sleeve is connected to the outer side of the shaft rod, and the end cap sealing sleeve is fixedly connected with the supporting seat through a fixing bolt.

Preferably, two one side that limit baffle is close to each other is connected with the both sides laminating of hobbing cutter body respectively, the seal groove has been seted up to one side annular that limit baffle is close to the hobbing cutter body.

Preferably, the sealing groove is internally connected with a sealing ring in an adhering manner, and one side of the sealing ring, which is close to each other, is respectively attached to and connected with two sides of the hob body.

Preferably, two limiting baffles are all sleeved on the outer wall of the shaft rod, the number of the limiting grooves is the same as that of the limiting blocks, and the limiting blocks are matched with the limiting grooves and are inserted into the limiting grooves.

The utility model discloses a technological effect and advantage:

1. the utility model has the advantages that the two ends of the shaft lever are movably connected with the supporting seats through the rolling bearings, the end cover seals are arranged outside the rolling bearings, the rolling bearings are arranged in the supporting seats at the two sides of the hob body, and the contact between the rolling bearings and muddy water is avoided through the arrangement of the end cover seals, so that the service life of the rolling bearings is prolonged, and the service life of the hob body is longer;

2. the utility model discloses a both sides at the hobbing cutter body all are provided with limit baffle, and limit baffle is connected with the laminating of hobbing cutter body, and limit baffle passes through limit bolt and axostylus axostyle fixed connection, and then with hobbing cutter body fixed connection in the outside of axostylus axostyle, slide limit baffle after pulling down limit bolt makes the hobbing cutter body can slide, consequently makes the dismantlement of hobbing cutter body simpler, and more stable after the installation.

Drawings

Fig. 1 is the side-cut schematic view of the whole structure of the utility model.

Fig. 2 is a schematic sectional view of the structure at a-a in fig. 1 according to the present invention.

Fig. 3 is a schematic cross-sectional view of the structure at the position B-B in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.

In the figure: 1. a supporting seat; 2. a shaft lever; 3. a limiting block; 4. a hob body; 5. a limit baffle; 6. a limiting groove; 7. a screw hole; 8. a limit bolt; 9. a jack; 10. a thread; 11. a rotating bearing; 12. sealing the end cover; 13. fixing the bolt; 14. a sealing groove; 15. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a shield tunnel boring machine cutter device of green as shown in fig. 1-4, including two supporting seats 1, be provided with axostylus axostyle 2 between two supporting seats 1, a plurality of stoppers 3 that are the distribution of annular array on the axial direction of axostylus axostyle 2 of outer wall middle part fixedly connected with of axostylus axostyle 2, the outer wall middle part of axostylus axostyle 2 cup joints and is connected with hobbing cutter body 4, and hobbing cutter body 4's both sides all are provided with limit baffle 5, limit baffle 5 plays spacing effect to hobbing cutter body 4's endwise slip.

Secondly, a plurality of spacing grooves 6 that are the distribution of annular array are all seted up to hob body 4 and spacing baffle 5's inner wall, and two spacing baffles 5 all cup joint at axostylus axostyle 2's outer wall, and the quantity of spacing groove 6 is the same with the quantity of stopper 3, and stopper 3 just pegs graft in spacing groove 6 with 6 looks adaptations of spacing groove, through the looks adaptation relation of stopper 3 and spacing groove 6 for hob body 4 and spacing baffle 5 all cup joint the unable rotation in axostylus axostyle 2's the outside.

It is specific, limit baffle 5's outer wall middle part both sides all are provided with limit bolt 8, limit baffle 5's outer wall middle part both sides all offer with limit bolt 8 looks adaptation jack 9, the screw 7 corresponding with jack 9 is seted up to axostylus axostyle 2's outer wall, limit bolt 8's one end runs through jack 9 and plug in screw 7, limit bolt 8's one end passes through screw thread 10 fixed connection with the inner wall of screw 7, run through jack 9 with limit bolt 8 and fix with screw 7 through screw thread 10, make two limit baffle 5 all fix the unable slip in axostylus axostyle 2's the outside, consequently, can play the spacing effect of slip to hobbing cutter body 4, and when needing to dismantle hobbing cutter body 4, only need unscrew limit bolt 8, just make limit baffle 5 and hobbing cutter body 4 all can slide in axostylus axostyle.

And, the both ends outside of axostylus axostyle 2 all cup joints and is connected with rolling bearing 11, axostylus axostyle 2 passes through rolling bearing 11 and 1 swing joint of supporting seat, one side that two rolling bearing 11 are close to each other all is provided with end cover seal 12, end cover seal 12 cup joints the outside of connecting at axostylus axostyle 2, end cover seal 12 passes through

fixing bolt

13 and 1 fixed connection of supporting seat, set up rolling bearing 11 at the both ends of axostylus axostyle 2 and set up in supporting seat 1, can effectively reduce the area of contact of rolling bearing 11 with external stratum, secondly end cover seal 12 sets up and play sealed effect to rolling bearing 11, effectively increased rolling bearing 11's life, avoided leading to the unable pivoted condition of hobbing cutter body 4 because of rolling bearing 11 damages, the life of hobbing.

Moreover, the one side that two limit baffle 5 are close to each other is connected with the both sides laminating of hobbing cutter body 4 respectively, limit baffle 5 has seted up seal groove 14 near one side annular of hobbing cutter body 4, adhesive connection has sealing washer 15 in the seal groove 14, the one side that two sealing washers 15 are close to each other is connected with the both sides laminating of hobbing cutter body 4 respectively, the muddy water in the stratum can be avoided in setting up of seal groove 14 gets into the inner wall of hobbing cutter body 4, make the inner wall of hobbing cutter body 4 difficult rusty, secondly, seal groove 14 has the effect of buffering, the vibrations of having reduceed the production of hobbing cutter body 4 during operation are transmitted to limit baffle 5 on.

The utility model discloses the theory of operation:

when the hob body 4 rotates in work, the hob body 4 drives the shaft rod 2 to rotate under the action of the matching of the limiting blocks 3 and the limiting grooves 6, and both ends of the shaft rod 2 are movably connected with the supporting seat 1 through the rotating bearings 11, so that the shaft rod 2 can rotate along with the rotation of the hob body 4, the rotating bearings 11 are arranged at both ends of the shaft rod 2 and are arranged in the supporting seat 1, the contact area between the rotating bearings 11 and an external stratum can be effectively reduced, and then the arrangement of the end cover seals 12 plays a role in sealing the rotating bearings 11, so that the service life of the rotating bearings 11 is effectively prolonged, the condition that the hob body 4 cannot rotate due to the damage of the rotating bearings 11 is avoided, and the service life of the hob body 4 is effectively prolonged;

when hobbing cutter body 4 needs to be dismantled or changed, at first take off axostylus axostyle 2 from supporting seat 1, then unscrew a limit bolt 8, make limit bolt 8 break away from with screw 7, limit baffle 5 can slide on the axial direction of axostylus axostyle 2 this moment, slide limit baffle 5 of hobbing cutter body 4 one side and break away from hobbing cutter body 4 and make hobbing cutter body 4 can slide on the axial direction of axostylus axostyle 2, then pull down rolling bearing 11 and end cap seal 12, can follow axostylus axostyle 2 with limit baffle 5 and hobbing cutter body 4 and take off.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a shield tunnel boring machine cutter device of green, includes two supporting seats (1), its characterized in that: a shaft lever (2) is arranged between the two supporting seats (1), the middle part of the outer wall of the shaft lever (2) is fixedly connected with a plurality of limiting blocks (3) which are distributed in an annular array manner in the axial direction of the shaft lever (2), the middle part of the outer wall of the shaft lever (2) is connected with a hob body (4) in a sleeved manner, two sides of the hob body (4) are respectively provided with a limiting baffle (5), the inner walls of the hob body (4) and the limiting baffle (5) are respectively provided with a plurality of limiting grooves (6) which are distributed in an annular array manner, two sides of the middle part of the outer wall of the limiting baffle (5) are respectively provided with a limiting bolt (8), two sides of the middle part of the outer wall of the limiting baffle (5) are respectively provided with a jack (9) matched with the limiting bolt (8), the outer wall of the shaft lever (2) is provided with a screw hole (7) corresponding, the shaft lever (2) is movably connected with the supporting seat (1) through the rotating bearings (11), and end cover seals (12) are arranged on one sides, close to each other, of the two rotating bearings (11).

2. The environment-friendly shield tunneling machine cutter device according to claim 1, characterized in that: one end of the limiting bolt (8) penetrates through the jack (9) and is inserted into the screw hole (7), and one end of the limiting bolt (8) is fixedly connected with the inner wall of the screw hole (7) through a thread (10).

3. The environment-friendly shield tunneling machine cutter device according to claim 1, characterized in that: the end cover seal (12) is connected to the outer side of the shaft rod (2) in a sleeved mode, and the end cover seal (12) is fixedly connected with the supporting seat (1) through a fixing bolt (13).

4. The environment-friendly shield tunneling machine cutter device according to claim 1, characterized in that: two one side that limit baffle (5) are close to each other is connected with the both sides laminating of hobbing cutter body (4) respectively, seal groove (14) have been seted up to one side annular that limit baffle (5) are close to hobbing cutter body (4).

5. The environment-friendly shield tunneling machine cutter device according to claim 4, wherein: and a sealing ring (15) is connected in the sealing groove (14) in an adhering manner, and one side, close to each other, of the sealing ring (15) is respectively connected with the two sides of the hob body (4) in an adhering manner.

6. The environment-friendly shield tunneling machine cutter device according to claim 1, characterized in that: two limiting baffle plates (5) are all sleeved on the outer wall of the shaft rod (2), the number of limiting grooves (6) is the same as that of limiting blocks (3), and the limiting blocks (3) are matched with the limiting grooves (6) and are inserted into the limiting grooves (6).