CN210564539U - TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring - Google Patents
TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring Download PDFInfo
- Publication number
- CN210564539U CN210564539U CN201921669636.XU CN201921669636U CN210564539U CN 210564539 U CN210564539 U CN 210564539U CN 201921669636 U CN201921669636 U CN 201921669636U CN 210564539 U CN210564539 U CN 210564539U
- Authority
- CN
- China
- Prior art keywords
- cutter
- ring
- reinforcing ribs
- cutter ring
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 89
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000009826 distribution Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 17
- 239000011435 rock Substances 0.000 abstract description 15
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000005641 tunneling Effects 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 description 12
- 230000006872 improvement Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004901 spalling Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a TBM disc cutter with reinforcing ribs added on the side surface of a cutter ring, which comprises a cutter ring, a retainer ring, a cutter body, a bearing end cover, an isolating ring, a shaft, a bearing and a sealing ring; the side surface of the cutter ring is provided with a plurality of reinforcing ribs, the cutter ring is arranged on the outer peripheral side of the cutter body, the cutter ring is positioned at the position of the cutter body by the retaining ring, the bearing is assembled on the shaft and positioned at the inner side of the cutter body, the bearing is sealed inside by the bearing end cover, the bearing is separated by the isolating ring, and the sealing ring seals a gap between the bearing end cover and the cutter body; the structure can effectively reduce abrasion and damage of the hob during working, improves rock breaking capacity of the hob, improves reliability and economical efficiency of the hob, is favorable for reducing working cost of the shield tunneling machine, and has strong practical value and application prospect.
Description
Technical Field
The utility model relates to a reduce cutter wearing and tearing and destroy technical field, particularly, relate to a TBM disc cutter of stiffening rib is add to cutter ring side.
Background
Since the generation of a shield machine (TBM) technology, the problem of hob abrasion is always the main reason for influencing the working efficiency of the shield machine, and the abrasion modes of a cutter ring in the process of frictional collision between the cutter ring and rock soil mainly include normal abrasion, eccentric abrasion of the cutter ring, polygonal abrasion, cutter ring crack and the like. The conventional cutter ring working face is low in strength and cannot guarantee rotation of the cutter, so that the cutter ring is seriously abraded, the cutter ring is seriously cracked due to low strength, the cutter cannot guarantee rotation to cause eccentric wear and polygonal abrasion of the cutter ring, and the conventional cutter ring cannot meet the requirements of reliability and economy of a shield machine along with improvement of the complexity of a working environment.
Therefore, how to reduce the abrasion and the damage of the hob and ensure the damage of the cutter ring within a normal abrasion range is a main task at present, and the hob for improving the strength of the cutter ring and ensuring the normal rotation of the cutter is designed, and meanwhile, the requirements of reliability and economy are required to be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a TBM disc cutter of stiffening rib is add to cutter ring side, it can reduce the hobbing cutter wearing and tearing and destroying at the during operation effectively, has improved the broken rock ability of hobbing cutter, and then improves the reliability and the economic nature of hobbing cutter, is favorable to reducing the working cost that the shield constructs the machine and has very strong practical value and application prospect.
The embodiment of the utility model is realized like this:
a TBM disc cutter with reinforcing ribs additionally arranged on the side face of a cutter ring comprises: the cutter comprises a cutter ring, a retainer ring, a cutter body, a bearing end cover, an isolating ring, a shaft and a bearing; the side surface of the cutter ring is provided with a plurality of reinforcing ribs which are distributed in an annular shape along the circumference of the side surface of the cutter ring, the adjacent reinforcing ribs are arranged at intervals, the cutter ring is connected with the cutter body, the cutter ring is fixed by the retaining rings, a sealing space is arranged between the cutter body and the shaft, the bearing is assembled and connected with the shaft, the bearing is sealed in the sealing space by a bearing end cover, and the isolating ring is sleeved on the surface of the shaft.
In a preferred embodiment of the present invention, the reinforcing ribs are in a shape of a long inclined plane, a circular connection of long inclined planes, or a herringbone inclined plane, and the arrangement of the reinforcing ribs is symmetrical or asymmetrical.
In a preferred embodiment of the present invention, the cutter ring includes a single-edge cutter ring or a multi-edge cutter ring, and the distribution structure and arrangement of the reinforcing ribs are distributed on the single-edge cutter ring or the multi-edge cutter ring.
In the preferred embodiment of the present invention, the cutter ring is connected to the cutter body in an interference manner, the shoulder is disposed on the outer periphery of the cutter body, and the cutter ring is axially positioned by the shoulder.
In the preferred embodiment of the present invention, the cutter body has a groove on the outer periphery, the shoulder blocks one side of the cutter ring, and the retainer ring is clamped into the groove and fixes the other side of the cutter ring.
In the preferred embodiment of the present invention, the bearing is internally connected to the inner side of the cutter body, two bearings are provided in the sealing space, the outer side of the bearing is positioned by the end cap of the bearing, and the inner side of the bearing is separated by the isolating ring.
In a preferred embodiment of the present invention, the bearing cap is provided with a sealing groove, and the sealing groove is abutted to the inner side of the cutter body.
In the preferred embodiment of the present invention, the TBM disc cutter further includes a sealing ring, and the sealing ring is installed in the sealing groove and seals between the cutter body and the bearing end cap.
The utility model discloses in the preferred embodiment, above-mentioned bearing housing is located the off-axial side, and the protruding shaft shoulder that is equipped with in surface of axle, axle pass through the shaft shoulder and block the location with the bearing cap of one side, the bearing cap interference fit of axle and opposite side.
The utility model has the advantages that:
the utility model adds the reinforcing rib structure on the two sides of the cutter ring on the basis of the original hob cutter ring, the reinforcing rib has a plurality of distribution modes which are distributed along the cutting edge of the cutter ring at annular intervals, the reinforcing rib structure can simultaneously realize the functions of reducing the abrasion and the damage of the cutter ring in the aspects of cutter ring strength and hob rotation in the design, the enhancement of the reinforcing rib can increase the cutter disc strength in strength and reduce the excircle thickness of the designed cutter ring to enhance the rock breaking capability of the hob, the generation of the phenomena of cutter ring cracking and polygonal abrasion is reduced, simultaneously, the action of the reinforcing rib can change the acting force mode and the acting force between the hob and rock soil when the hob works, the change can more easily realize the autorotation to reduce the eccentric abrasion of the cutter ring when the hob works, in addition, the reinforcing rib has the function of participating in rock breaking simultaneously, the abrasion and the damage of the hob when the work, the rock breaking capacity of the hob is improved.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope.
FIG. 1 is a cross-sectional view of the overall structure of the present invention;
FIG. 2 is an isometric view of the single-edged cutter ring of the rectangular inclined plane rib plate of the present invention;
FIG. 3 is a left enlarged view of the single-edged ring of the rectangular inclined plane rib plate of the present invention;
FIG. 4 is an enlarged front view of the long-strip inclined annular connection type single-blade cutter ring of the present invention;
FIG. 5 is a left enlarged view of the long-strip inclined annular connection type single-blade ring of the present invention;
FIG. 6 is an enlarged front view of the herringbone bevel type single-blade ring of the present invention;
FIG. 7 is a left enlarged view of the herringbone beveled single-blade ring of the present invention;
FIG. 8 is an isometric view of a double-edged ring with rectangular inclined ribs according to the present invention;
FIG. 9 is a left enlarged view of the double-edged ring of the rectangular inclined plane rib plate of the present invention;
icon: 1. a cutter ring; 2. a retainer ring; 3. a cutter body; 4. a bearing end cap; 5. an isolating ring; 6. a shaft; 7. a bearing; 8. and (5) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
First embodiment
Referring to fig. 1, the present embodiment provides a TBM disc cutter with reinforcing ribs added to the side of a cutter ring 1, which includes: the cutter comprises a cutter ring 1, a retainer ring 2, a cutter body 3, a bearing end cover 4, an isolating ring 5, a shaft 6, a bearing 7 and a sealing ring 8; the side surface of the cutter ring 1 is provided with a plurality of reinforcing ribs, the cutter ring 1 is arranged on the outer peripheral side of the cutter body 3, the cutter ring 1 is positioned at the position of the cutter body 3 by the retainer ring 2, the bearing 7 is assembled on the shaft 6 and positioned at the inner side of the cutter body 3, the bearing 7 is sealed inside by the bearing end cover 4, the bearing 7 is separated by the isolating ring 5, and a gap between the bearing end cover 4 and the cutter body 3 is sealed by the sealing ring 8; cutter ring 1 increases the improvement that the strengthening rib structure realized 1 intensity of cutter ring, has guaranteed simultaneously that the hobbing cutter can effectively rotate at the during operation, and the increase of strengthening rib makes cutter ring 1 intensity increase in intensity to can make through the reduction of 1 excircle thickness of cutter ring and strengthen the broken rock ability of hobbing cutter, reduced the production of cutter ring 1 spalling, polygon wearing and tearing phenomenon, the effect of strengthening rib makes the hobbing cutter during operation realize the rotation more easily simultaneously, reduces cutter ring 1 eccentric wear phenomenon.
Referring to fig. 2 and 3, the cutter ring 1 of the present embodiment is a single-blade, 15 reinforcing ribs are disposed on the side surface of the cutter ring 1, the reinforcing ribs are annularly disposed along the circumference of the two sides of the single-blade of the cutter ring 1, adjacent reinforcing ribs are spaced from each other, the reinforcing ribs are disposed on the two sides of the cutter ring 1, the reinforcing ribs and the cutter ring 1 are integrally formed, the reinforcing ribs are in the form of long inclined planes, one end of each reinforcing rib is connected to the axial outer side of the cutter ring 1, the other end of each reinforcing rib is radially connected to the outer circumferential side of the cutter ring 1, the reinforcing ribs disposed on the two sides of the cutter ring 1 are symmetrically disposed with respect to the cutter ring 1, the cutter ring 1 is connected to the cutter body 3, the inner side of the cutter ring 1 is in an annular shape and is in interference fit with the outer circumferential side of the cutter body 3, the outer circumferential side of the cutter body 3 is provided with a shoulder, the distance, the cutter ring 1 is axially positioned by a protruding shoulder.
The bearing 7 is internally connected to the inner side of the cutter body 3, the outer side of the bearing 7 is positioned by the bearing end cover 4, the inner side of the bearing 7 is separated by the isolating ring 5, the two bearings 7 are arranged on the shaft 6 at intervals respectively, a sealing space is arranged between the cutter body 3 and the shaft 6, the two bearings 7 are positioned in the sealing space, the outer side surface of the bearing 7 and the inner side surface of the cutter body 3 are mutually clamped, the inner side surface of the bearing 7 and the shaft 6 are mutually clamped, the bearing end cover 4 seals the bearing 7 in the sealing space, the isolating ring 5 is sleeved on the surface of the shaft 6 and is used for separating the two bearings 7, a shaft shoulder is convexly arranged on the surface of the shaft 6, the shaft shoulder of the shaft 6 clamps and positions the bearing end cover positioned on one side of the shaft 6, the shaft 6 and the bearing end cover 4 on the other side are in interference fit, the inner side of the bearing end cover 4 is provided, the sealing ring 8 is clamped into the sealing groove and fills the gap to seal the gap between the cutter body 3 and the bearing end cover 4.
Second embodiment
The second embodiment is partly identical to the first embodiment, except for the distribution of the reinforcing ribs of the cutter ring 1.
Referring to fig. 1, 4 and 5, the present embodiment provides a TBM disc cutter with reinforcing ribs added to the side of a cutter ring 1, which includes: the cutter comprises a cutter ring 1, a retainer ring 2, a cutter body 3, a bearing end cover 4, an isolating ring 5, a shaft 6, a bearing 7 and a sealing ring 8; the side surface of the cutter ring 1 is provided with a plurality of reinforcing ribs, the cutter ring 1 is arranged on the outer peripheral side of the cutter body 3, the cutter ring 1 is positioned at the position of the cutter body 3 by the retainer ring 2, the bearing 7 is assembled on the shaft 6 and positioned at the inner side of the cutter body 3, the bearing 7 is sealed inside by the bearing end cover 4, the bearing 7 is separated by the isolating ring 5, and a gap between the bearing end cover 4 and the cutter body 3 is sealed by the sealing ring 8; cutter ring 1 increases the improvement that the strengthening rib structure realized 1 intensity of cutter ring, has guaranteed simultaneously that the hobbing cutter can effectively rotate at the during operation, and the increase of strengthening rib makes cutter ring 1 intensity increase in intensity to can make through the reduction of 1 excircle thickness of cutter ring and strengthen the broken rock ability of hobbing cutter, reduced the production of cutter ring 1 spalling, polygon wearing and tearing phenomenon, the effect of strengthening rib makes the hobbing cutter during operation realize the rotation more easily simultaneously, reduces cutter ring 1 eccentric wear phenomenon.
The cutter ring 1 of the embodiment is a single-blade cutter ring, the side surface of the cutter ring 1 is provided with 30 reinforcing ribs, the reinforcing ribs are annularly distributed along the two sides of the single-blade cutter ring 1, the reinforcing ribs are respectively distributed on an inner ring and an outer ring, and each reinforcing rib is 15 on each of the inner ring and the outer ring, wherein the inner ring and the outer ring are annularly and convexly arranged through the cutter ring 1, the adjacent reinforcing ribs are arranged at intervals, the reinforcing ribs are distributed on the two sides of the cutter ring 1, the reinforcing ribs and the cutter ring 1 are integrally formed, the reinforcing ribs are in a long-strip inclined-surface annular connection type, one end of each reinforcing rib is connected to the axial outer side of the cutter ring 1, the other end of each reinforcing rib is radially connected to the inner ring or the outer ring close to the peripheral side of the cutter ring 1, the distribution of the reinforcing ribs on the two sides of the cutter ring 1 is symmetrical about the cutter ring 1, the, the distance between the protruding shoulder and the clamping groove is just the axial width of the cutter ring 1, the protruding shoulder clamps one side of the cutter ring 1, the retainer ring 2 is clamped into the clamping groove and fixes the other side of the cutter ring 1, and the cutter ring 1 is axially positioned through the protruding shoulder.
The bearing 7 is internally connected to the inner side of the cutter body 3, the outer side of the bearing 7 is positioned by the bearing end cover 4, the inner side of the bearing 7 is separated by the isolating ring 5, the two bearings 7 are arranged on the shaft 6 at intervals respectively, a sealing space is arranged between the cutter body 3 and the shaft 6, the two bearings 7 are positioned in the sealing space, the outer side surface of the bearing 7 and the inner side surface of the cutter body 3 are mutually clamped, the inner side surface of the bearing 7 and the shaft 6 are mutually clamped, the bearing end cover 4 seals the bearing 7 in the sealing space, the isolating ring 5 is sleeved on the surface of the shaft 6 and is used for separating the two bearings 7, a shaft shoulder is convexly arranged on the surface of the shaft 6, the shaft shoulder of the shaft 6 clamps and positions the bearing end cover positioned on one side of the shaft 6, the shaft 6 and the bearing end cover 4 on the other side are in interference fit, the inner side of the bearing end cover 4 is provided, the sealing ring 8 is clamped into the sealing groove and fills the gap to seal the gap between the cutter body 3 and the bearing end cover 4.
Third embodiment
The third embodiment is partly identical to the first embodiment, except for the distribution of the reinforcing ribs of the cutter ring 1.
Referring to fig. 1, 6 and 7, the present embodiment provides a TBM disc cutter with reinforcing ribs added to the side of a cutter ring 1, which includes: the cutter comprises a cutter ring 1, a retainer ring 2, a cutter body 3, a bearing end cover 4, an isolating ring 5, a shaft 6, a bearing 7 and a sealing ring 8; the side surface of the cutter ring 1 is provided with a plurality of reinforcing ribs, the cutter ring 1 is arranged on the outer peripheral side of the cutter body 3, the cutter ring 1 is positioned at the position of the cutter body 3 by the retainer ring 2, the bearing 7 is assembled on the shaft 6 and positioned at the inner side of the cutter body 3, the bearing 7 is sealed inside by the bearing end cover 4, the bearing 7 is separated by the isolating ring 5, and a gap between the bearing end cover 4 and the cutter body 3 is sealed by the sealing ring 8; cutter ring 1 increases the improvement that the strengthening rib structure realized 1 intensity of cutter ring, has guaranteed simultaneously that the hobbing cutter can effectively rotate at the during operation, and the increase of strengthening rib makes cutter ring 1 intensity increase in intensity to can make through the reduction of 1 excircle thickness of cutter ring and strengthen the broken rock ability of hobbing cutter, reduced the production of cutter ring 1 spalling, polygon wearing and tearing phenomenon, the effect of strengthening rib makes the hobbing cutter during operation realize the rotation more easily simultaneously, reduces cutter ring 1 eccentric wear phenomenon.
The cutter ring 1 of the embodiment is a single-edge cutter ring, the side surface of the cutter ring 1 is provided with 7 reinforcing ribs, the reinforcing ribs are annularly distributed along the circumference of two sides of the single edge of the cutter ring 1, adjacent reinforcing ribs are arranged at intervals, the reinforcing ribs are distributed on two sides of the cutter ring 1, the reinforcing ribs and the cutter ring 1 are integrally formed, the reinforcing ribs are in a herringbone inclined plane shape, one end of each reinforcing rib is connected to the radial outer side of the cutter ring 1, the other two opposite sides of each reinforcing rib are arranged on the side surface of the cutter ring 1 along the axial direction, the reinforcing ribs form a herringbone structure, the reinforcing ribs on two sides of the cutter ring 1 are distributed symmetrically relative to the cutter ring 1, the cutter ring 1 is connected with the cutter body 3, the inner side of the cutter ring 1 is annular and is in interference fit with the outer side of the cutter body 3, the outer side of the cutter body 3 is provided with a shoulder, the outer side of the cutter ring is inwards provided with a clamping groove, the distance between, the cutter ring 1 is axially positioned by a protruding shoulder.
The bearing 7 is internally connected to the inner side of the cutter body 3, the outer side of the bearing 7 is positioned by the bearing end cover 4, the inner side of the bearing 7 is separated by the isolating ring 5, the two bearings 7 are arranged on the shaft 6 at intervals respectively, a sealing space is arranged between the cutter body 3 and the shaft 6, the two bearings 7 are positioned in the sealing space, the outer side surface of the bearing 7 and the inner side surface of the cutter body 3 are mutually clamped, the inner side surface of the bearing 7 and the shaft 6 are mutually clamped, the bearing end cover 4 seals the bearing 7 in the sealing space, the isolating ring 5 is sleeved on the surface of the shaft 6 and is used for separating the two bearings 7, a shaft shoulder is convexly arranged on the surface of the shaft 6, the shaft shoulder of the shaft 6 clamps and positions the bearing end cover positioned on one side of the shaft 6, the shaft 6 and the bearing end cover 4 on the other side are in interference fit, the inner side of the bearing end cover 4 is provided, the sealing ring 8 is clamped into the sealing groove and fills the gap to seal the gap between the cutter body 3 and the bearing end cover 4.
Fourth embodiment
The fourth embodiment is partly identical to the first embodiment, with the difference that the double-edged arrangement of the cutter ring 1 and the distribution of the reinforcing ribs are provided.
Referring to fig. 1, 8 and 9, the present embodiment provides a TBM disc cutter with reinforcing ribs added to the side of a cutter ring 1, which includes: the cutter comprises a cutter ring 1, a retainer ring 2, a cutter body 3, a bearing end cover 4, an isolating ring 5, a shaft 6, a bearing 7 and a sealing ring 8; the side surface of the cutter ring 1 is provided with a plurality of reinforcing ribs, the cutter ring 1 is arranged on the outer peripheral side of the cutter body 3, the cutter ring 1 is positioned at the position of the cutter body 3 by the retainer ring 2, the bearing 7 is assembled on the shaft 6 and positioned at the inner side of the cutter body 3, the bearing 7 is sealed inside by the bearing end cover 4, the bearing 7 is separated by the isolating ring 5, and a gap between the bearing end cover 4 and the cutter body 3 is sealed by the sealing ring 8; cutter ring 1 increases the improvement that the strengthening rib structure realized 1 intensity of cutter ring, has guaranteed simultaneously that the hobbing cutter can effectively rotate at the during operation, and the increase of strengthening rib makes cutter ring 1 intensity increase in intensity to can make through the reduction of 1 excircle thickness of cutter ring and strengthen the broken rock ability of hobbing cutter, reduced the production of cutter ring 1 spalling, polygon wearing and tearing phenomenon, the effect of strengthening rib makes the hobbing cutter during operation realize the rotation more easily simultaneously, reduces cutter ring 1 eccentric wear phenomenon.
The cutter ring 1 of the embodiment is a double-edged cutter ring, a gap is arranged between the double edges of the cutter ring 1, 15 reinforcing ribs are arranged on the side surface of the cutter ring 1, the cutter ring 1 of the double-edged cutter ring is formed into 4 side surfaces, 60 reinforcing ribs are distributed along the double edges of the cutter ring 1, the reinforcing ribs on the two side surfaces between the double edges are opposite and connected into a whole, the reinforcing ribs are in a transition form, the reinforcing ribs formed by the 4 side surfaces are respectively symmetrical about a single edge of the cutter ring 1, the reinforcing ribs are distributed in an annular shape along the circumferences of the two sides of the single edge of the cutter ring 1, the adjacent reinforcing ribs are arranged at intervals, the reinforcing ribs and the cutter ring 1 are formed into a whole, the reinforcing ribs are in a strip inclined plane shape, one end of each reinforcing rib is connected to the axial side surface of the cutter ring 1, the other end of each reinforcing rib is connected to the outer peripheral side surface of the cutter ring 1 in the radial direction, the distance between the protruding shoulder and the clamping groove is just the axial width of the cutter ring 1, the protruding shoulder clamps one side of the cutter ring 1, the retainer ring 2 is clamped into the clamping groove and fixes the other side of the cutter ring 1, and the cutter ring 1 is axially positioned through the protruding shoulder.
The bearing 7 is internally connected to the inner side of the cutter body 3, the outer side of the bearing 7 is positioned by the bearing end cover 4, the inner side of the bearing 7 is separated by the isolating ring 5, the two bearings 7 are arranged on the shaft 6 at intervals respectively, a sealing space is arranged between the cutter body 3 and the shaft 6, the two bearings 7 are positioned in the sealing space, the outer side surface of the bearing 7 and the inner side surface of the cutter body 3 are mutually clamped, the inner side surface of the bearing 7 and the shaft 6 are mutually clamped, the bearing end cover 4 seals the bearing 7 in the sealing space, the isolating ring 5 is sleeved on the surface of the shaft 6 and is used for separating the two bearings 7, a shaft shoulder is convexly arranged on the surface of the shaft 6, the shaft shoulder of the shaft 6 clamps and positions the bearing end cover positioned on one side of the shaft 6, the shaft 6 and the bearing end cover 4 on the other side are in interference fit, the inner side of the bearing end cover 4 is provided, the sealing ring 8 is clamped into the sealing groove and fills the gap to seal the gap between the cutter body 3 and the bearing end cover 4.
To sum up, the embodiment of the utility model adds the reinforcing rib structure on the two sides of the cutter ring on the basis of the original hob cutter ring, the reinforcing rib has a plurality of distribution modes, the reinforcing rib is distributed along the cutting edge of the cutter ring at annular intervals, the reinforcing rib structure in the design can simultaneously realize the functions of reducing the abrasion and the damage of the cutter ring in the aspects of cutter ring strength and hob rotation, the reinforcing rib increases the cutter disc strength in strength, the excircle thickness of the designed cutter ring can be reduced to enhance the rock breaking capacity of the hob, the phenomena of cutter ring crack and polygonal abrasion are reduced, simultaneously, the action of the reinforcing rib enables the acting force mode and the acting force between the hob and rock soil to be changed during the operation, the phenomenon of cutter ring eccentric abrasion caused by the reduction of autorotation is easier to be realized during the operation of the hob, in addition, the reinforcing rib is used for participating in rock breaking, the abrasion and the damage of the hob during the operation can be effectively reduced, the rock breaking capacity of the hob is improved.
This description describes examples of embodiments of the invention, and is not intended to illustrate and describe all possible forms of the invention. It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.
Claims (9)
1. A TBM disc cutter with reinforcing ribs additionally arranged on the side face of a cutter ring is characterized by comprising: the cutter comprises a cutter ring, a retainer ring, a cutter body, a bearing end cover, an isolating ring, a shaft and a bearing; the cutter ring is characterized in that a plurality of reinforcing ribs are arranged on the side face of the cutter ring, the reinforcing ribs are distributed annularly along the circumference of the side face of the cutter ring, adjacent reinforcing ribs are arranged at intervals, the cutter ring is connected with the cutter body, the cutter ring is fixed by the retainer ring, a sealing space is formed between the cutter body and the shaft, the bearing is assembled and connected with the shaft, the bearing is sealed in the sealing space by the bearing end cover, and the isolating ring is sleeved on the surface of the shaft.
2. The TBM disc cutter with reinforcing ribs added to the side faces of the cutter ring according to claim 1, wherein the reinforcing ribs are in a long-strip inclined plane shape, a long-strip inclined plane annular connection shape or a herringbone inclined plane shape, and the reinforcing ribs are arranged in a symmetrical or asymmetrical mode.
3. The TBM disc cutter with the reinforcing ribs additionally arranged on the side faces of the cutter ring according to claim 2, wherein the cutter ring comprises a single-edge cutter ring or a multi-edge cutter ring, and the reinforcing ribs are distributed on the single-edge cutter ring or the multi-edge cutter ring in a distribution structure and arrangement mode.
4. The TBM disc cutter with the cutter ring provided with the reinforcing ribs on the side face additionally arranged according to claim 3, is characterized in that the cutter ring is in interference connection with the cutter body, a protruding shoulder is arranged on the outer peripheral side of the cutter body, and the cutter ring is axially positioned through the protruding shoulder.
5. The TBM disc cutter with the reinforcing ribs additionally arranged on the side faces of the cutter ring as claimed in claim 4, wherein a clamping groove is formed in the outer peripheral side of the cutter body, the protruding shoulder clamps one side of the cutter ring, and the retainer ring is clamped in the clamping groove and fixes the other side of the cutter ring.
6. The TBM disc cutter with the side reinforcing ribs added to the cutter ring of claim 5, wherein the bearing is inscribed inside the cutter body, two bearings are arranged in the sealed space, the outer sides of the bearings are positioned by bearing end covers, and the inner sides of the bearings are separated by a spacer ring.
7. The TBM disc cutter with the cutter ring provided with the reinforcing ribs on the side face is characterized in that the bearing end cover is provided with a sealing groove, and the sealing groove is butted against the inner side of the cutter body.
8. The TBM disc cutter with stiffening ribs added to the side of the cutter ring of claim 7 further comprising a seal ring mounted in the seal groove and sealing between the cutter body and the bearing cap.
9. The TBM disc cutter with the reinforcing ribs additionally arranged on the side face of the cutter ring as claimed in claim 6, wherein the bearing sleeve is arranged on the outer side of the shaft, a shaft shoulder is convexly arranged on the surface of the shaft, the shaft is clamped and positioned with the bearing end cover on one side through the shaft shoulder, and the shaft is in interference fit with the bearing end cover on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669636.XU CN210564539U (en) | 2019-10-08 | 2019-10-08 | TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669636.XU CN210564539U (en) | 2019-10-08 | 2019-10-08 | TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564539U true CN210564539U (en) | 2020-05-19 |
Family
ID=70623128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921669636.XU Expired - Fee Related CN210564539U (en) | 2019-10-08 | 2019-10-08 | TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210564539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578528A (en) * | 2019-10-08 | 2019-12-17 | 西南交通大学 | TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring |
-
2019
- 2019-10-08 CN CN201921669636.XU patent/CN210564539U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578528A (en) * | 2019-10-08 | 2019-12-17 | 西南交通大学 | TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210564539U (en) | TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring | |
| US10350688B2 (en) | Cutting insert and a milling cutting tool | |
| WO2014103446A1 (en) | Segmented seal | |
| CN203809691U (en) | Sealing device | |
| CN106460508A (en) | Pick, in particular a round shaft pick | |
| JPS6215562Y2 (en) | ||
| CN110578528A (en) | TBM disc cutter with reinforcing ribs additionally arranged on side face of cutter ring | |
| JP2014008549A (en) | Drill | |
| CN208267853U (en) | A kind of three sword shield hobboing cutter of integral type | |
| CN203176363U (en) | Sealing device | |
| CN212898503U (en) | Disc cutter, shield tunneling machine cutter head and shield tunneling machine | |
| CN210134936U (en) | Shield constructs hobbing cutter seal structure and hobbing cutter that adapts to high water pressure environment | |
| CN210564538U (en) | TBM disc cutter with grooved cutter ring outer circumference | |
| CN210258613U (en) | Anti-blocking thrust wheel | |
| CN207989719U (en) | A kind of superhard material built-up welding mechanical seal ring | |
| CN212837815U (en) | Novel shield constructs no wearing and tearing hobbing cutter of end cover | |
| CN201963878U (en) | Oil seal ring | |
| CN105507913A (en) | Hard-rock integral cutter | |
| CN220599809U (en) | Wear-resistant shield cutter with double cutting edges | |
| CN221074722U (en) | Pump shaft seal structure | |
| CN102828986B (en) | The cutting assembly of stainless steel cut submersible pump | |
| CN202971919U (en) | Novel ship main shaft sealing device | |
| CN212455492U (en) | Floating oil seal | |
| CN210208934U (en) | Hobbing cutter chip groove processing cutter | |
| CN213063571U (en) | Single floating seal heavy-load hob for composite stratum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |