CN215830509U - Spoke type cutter head - Google Patents
Spoke type cutter head Download PDFInfo
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- CN215830509U CN215830509U CN202121713617.XU CN202121713617U CN215830509U CN 215830509 U CN215830509 U CN 215830509U CN 202121713617 U CN202121713617 U CN 202121713617U CN 215830509 U CN215830509 U CN 215830509U
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- spoke
- mounting disc
- spokes
- driving piece
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Abstract
The utility model relates to the technical field of shield cutters, in particular to a spoke type cutter head. The spoked cutter head includes a drive member, a mounting disk, a coupling ring, and a plurality of spoked cutting assemblies. The multi-group spoke type cutting assembly is arranged along the circumferential direction of the mounting disc and comprises spokes and multi-group cutter blocks, one end of each spoke is rotatably connected with the mounting disc, the other end of each spoke is rotatably connected with the connecting ring, the multi-group cutter blocks are arranged along the circumferential direction of each spoke, the intervals of the two adjacent groups of cutter blocks are the same, the cutter blocks in each group are arranged along the axial direction of the spokes at equal intervals, and the driving piece can drive the spokes to rotate along the axial lines of the spokes. Therefore, the spoke type cutter head realizes the autorotation of the spoke type cutting assembly, so that the overhauling times and time of the spoke type cutter head are reduced, and the bin entering working frequency and risk of workers are reduced.
Description
Technical Field
The utility model relates to the technical field of shield cutters, in particular to a spoke type cutter head.
Background
The sand and gravel stratum has the characteristics of high content of cobbles and stones, large particle size, poor grading, high strength and loose structure, and has very strong abrasion characteristic, and the shield cutter is usually worn and damaged in short distance during the construction of the sand and gravel stratum, thereby causing shutdown maintenance. The warehouse opening and tool changing operation increases the construction period and the construction cost, and workers face serious safety risk problems, which seriously restricts the one-time long-distance tunneling of the shield.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a spoked cutter head that enables rotation of a spoked cutting assembly, thereby reducing the number of repairs required to the spoked cutter head, reducing the repair time, and further reducing the safety risk to workers involved in the warehouse.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
the utility model provides a spoke type cutter head which comprises a driving piece, a mounting disc, a connecting ring and a plurality of groups of spoke type cutting assemblies, wherein the driving piece is arranged on the mounting disc;
the plurality of groups of spoke type cutting assemblies are arranged along the circumferential direction of the mounting disc;
the spoke type cutting assembly comprises spokes and a plurality of groups of cutter blocks, one end of each spoke is rotatably connected with the mounting disc, the other end of each spoke is rotatably connected with the connecting ring, the cutter blocks are arranged along the circumferential direction of the spoke, the intervals between every two adjacent groups of cutter blocks are the same, and the cutter blocks in each group are arranged at equal intervals along the axial direction of the spoke;
the driving piece can drive the spokes to rotate along the axes of the spokes.
Preferably, the driving member is selectively in driving connection with each spoke and the mounting plate; when the driving piece is in transmission connection with each spoke, each spoke can be driven to rotate; when the driving piece is in transmission connection with the mounting disc, the mounting disc can be driven to rotate.
Preferably, a spoke rotation transmission assembly is further included;
the spoke rotary transmission assembly comprises a driving bevel gear and a plurality of driven bevel gears meshed with the driving bevel gear;
the driving bevel gears and the mounting disc are arranged along the same axis, and one ends of spokes in the multiple groups of spoke type cutting assemblies are coaxially connected with the driven bevel gears in a one-to-one correspondence manner;
the driving piece is coaxially connected with the driving bevel gear.
Preferably, the driving member is a rotary joint, the rotary joint and the mounting disc are arranged along the same axis, and the rotary joint is selectively in transmission connection with the driving bevel gear or the mounting disc.
Preferably, the transverse section of the spoke is a polygon, and each side of the spoke is provided with a group of knife blocks.
Preferably, the transverse cross-section of the spokes is triangular.
Preferably, the junction of two adjacent faces in the circumferential direction of the spoke is in an arc transition.
Preferably, the spokes taper in transverse cross-section from the end remote from the mounting plate to the end adjacent the mounting plate.
Preferably, the device also comprises a connecting gear, and the connecting gear is sleeved on the rotary joint;
the mounting disc is provided with an annular rack and a driving wheel;
the annular rack is arranged on one side of the mounting disc, and the transmission wheel is meshed with the annular rack and the connecting gear.
Preferably, the fish tail knife is further included and arranged at the top end of the mounting plate.
(III) advantageous effects
The utility model has the beneficial effects that:
according to the spoke type cutter head provided by the utility model, the plurality of groups of spoke type cutting assemblies are arranged along the mounting disc, and each group of spoke type cutting assembly is provided with the plurality of groups of cutter blocks, when the tunneling efficiency is low due to normal wear and abnormal wear of the cutter in a highly abrasive stratum, the spokes are driven to rotate to drive a new group of cutter blocks to contact and cut the stratum, so that the overhauling times and time are reduced, the working frequency and risk of workers entering a warehouse are reduced, and the integral working coordination function of the cutter groups is optimized.
Drawings
FIG. 1 is a schematic view of the forward construction of a spoked cutterhead of the present invention;
FIG. 2 is a schematic view of the inverted construction of the spoked cutterhead of the present invention;
FIG. 3 is a schematic view of the construction of the spoked cutting assembly of FIG. 1;
FIG. 4 is a schematic structural view of the spoke rotation drive assembly.
[ description of reference ]
1: mounting a disc;
2: a spoke cutting assembly; 21: spokes; 22: a cutter block;
3: a spoke rotation transmission assembly; 31: a drive bevel gear; 32: a driven bevel gear;
4: a rotary joint;
5: an annular rack;
6: a driving wheel;
7: a fish tail knife;
8: a connecting gear;
9: a connecting ring; 91: connecting columns.
Detailed Description
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1-2, the present embodiment provides a spoked cutter head comprising a drive member, a mounting disk 1, a coupling ring 9, and a plurality of groups of spoked cutting assemblies 2, the plurality of groups of spoked cutting assemblies 2 being arranged circumferentially of the mounting disk 1. As shown in fig. 3, the spoke type cutting assembly 2 includes a spoke 21 and a plurality of sets of tool blocks 22, one end of the spoke 21 is rotatably connected with the mounting disc 1, the other end of the spoke 21 is rotatably connected with the inner wall of the connecting ring 9 through a connecting column 91, the plurality of sets of tool blocks 22 are arranged along the circumferential direction of the spoke 21, the distance between two adjacent sets of tool blocks 22 is the same, the plurality of tool blocks 22 in each set are arranged along the axial direction of the spoke 21 at equal intervals, and the driving member can drive the spoke 21 to rotate along the axial direction of the spoke 21. In this embodiment six groups of spoke cutting assemblies 2 are equally spaced circumferentially along the mounting plate 1.
According to the spoke type cutter head provided by the embodiment, the plurality of groups of spoke type cutting assemblies 2 are arranged along the mounting disc 1, each group of spoke type cutting assemblies 2 is provided with the plurality of groups of cutter blocks, when the tunneling efficiency is low due to normal wear and abnormal wear of the cutter in a highly abrasive stratum, the spokes 21 are driven to rotate to drive a new group of cutter blocks to be in contact with the stratum and cut, the overhauling times and time are further reduced, the warehouse entry working frequency and risk of workers are reduced, and the overall working coordination effect of the cutter groups is optimized.
Wherein the drive member is selectively in driving connection with each spoke 21 and the mounting disc 1, i.e. the drive member is in driving connection with each spoke 21 or the drive member is in driving connection with the mounting disc 1. When the driving piece is in transmission connection with each spoke 21, each spoke 21 can be driven to rotate, and when the driving piece is in transmission connection with the mounting disc 1, the mounting disc 1 can be driven to rotate.
As shown in fig. 4, the spoked cutterhead provided in this embodiment further includes a spoke rotation drive assembly 3. The spoke rotary transmission assembly 3 comprises a driving bevel gear 31 and a plurality of driven bevel gears 32 meshed with the driving bevel gear 31, the driving bevel gear 31 and the mounting disc 1 are arranged along the same axis, one end of each of spokes 21 in the plurality of groups of spoke type cutting assemblies (2) is coaxially connected with the driven bevel gears 32 in a one-to-one correspondence mode, and the driving piece is coaxially connected with the driving bevel gear 31. The driving piece is a rotary joint 4, the rotary joint 4 and the mounting disc 1 are arranged along the same axis, a first bulge and a second bulge are arranged on the rotary joint, when the rotary joint 4 is pulled towards the outer side of the mounting disc 1, the first bulge on the rotary joint 4 is clamped with the mounting disc 1, and at the moment, the rotary joint 4 rotates, so that the mounting disc rotates; when the rotary joint 4 is pushed to the inner side of the mounting disc 1, the second protrusion on the rotary joint 4 is engaged with the drive bevel gear 31, and at this time, the rotary joint 4 rotates, and then the drive bevel gear 31 rotates. When the rotary joint 4 and the driving bevel gear rotate, the driven bevel gear 32 drives each spoke 21 on the mounting disc 1 to rotate along the same angle, and the shield cutter block in contact with the soil body is replaced, so that the aim of one-time long-distance tunneling of the shield tunneling machine is fulfilled.
In this embodiment, in order to increase the reliability of the connection between the mounting disc and the rotary joint, the spoke type cutter head further includes a connecting gear 8, an annular rack 5 and a driving wheel 6, the connecting gear 8 is sleeved on the rotary joint 4, the annular rack 5 and the driving wheel 6 are arranged on one side of the mounting disc, and the driving wheel 6 is meshed with the connecting gear 8 and the annular rack 5 at the same time. When the rotary joint 4 is pulled to the outer side of the mounting disc 1, the first protrusion on the rotary joint 4 is connected with the connecting gear 8 in a clamping mode, the rotary joint 4 rotates at the moment, and the connecting gear 8 is driven to rotate, so that the mounting disc integrally connected with the annular rack 5 is driven to rotate through the driving wheel 6.
Specifically, the transverse cross section of the spoke 21 is a polygon, and a set of knife blocks is arranged on each side of the spoke 21. In the present embodiment, the transverse cross section of the spoke 21 is triangular, but may also be other polygonal structures, and the connecting position of two adjacent surfaces along the circumferential direction of the spoke 21 is in arc transition, so as to reduce the wear degree of the spoke 21.
Wherein, spoke 21 is from the one end of keeping away from mounting disc 1 to the one end that is close to mounting disc 1, and the area of horizontal cross-section reduces gradually, has reduced the area of contact of sword piece with the soil body contact surface like this, reduces the cross-sectional moment of inertia that the axle center received, reduces collision fracture probability, improves life.
In the practical application process, the rotary joint 4 is connected to a flange of the front shield pressure-bearing partition plate through a bolt, and the rotary joint 4 is connected with the transmission oil cylinder through a flat key. The spoke type cutter head further comprises a fishtail knife 7, and the fishtail knife 7 is arranged at the top end of the mounting plate 1.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (10)
1. A spoke type cutter head is characterized by comprising a driving piece, a mounting disc (1), a connecting ring (9) and a plurality of groups of spoke type cutting assemblies (2);
the plurality of groups of spoke type cutting assemblies (2) are arranged along the circumferential direction of the mounting disc (1);
the spoke type cutting assembly (2) comprises spokes (21) and a plurality of groups of cutter blocks (22), one ends of the spokes (21) are rotatably connected with the mounting disc (1), the other ends of the spokes (21) are rotatably connected with the connecting ring (9), the plurality of groups of cutter blocks (22) are arranged along the circumferential direction of the spokes (21), the intervals between two adjacent groups of cutter blocks (22) are the same, and the cutter blocks (22) in each group are arranged at equal intervals along the axial direction of the spokes (21);
the driving piece can drive the spokes (21) to rotate along the axes of the spokes (21).
2. A spoke cutterhead according to claim 1,
the driving piece is selectively connected with each spoke (21) and the mounting disc (1) in a transmission way;
when the driving piece is in transmission connection with each spoke (21), each spoke (21) can be driven to rotate;
when the driving piece is in transmission connection with the mounting disc (1), the mounting disc (1) can be driven to rotate.
3. A spoke cutterhead according to claim 2,
also comprises a spoke rotary transmission component (3);
the spoke rotation transmission assembly (3) comprises a drive bevel gear (31) and a plurality of driven bevel gears (32) engaged with the drive bevel gear (31);
the driving bevel gear (31) and the mounting disc (1) are arranged along the same axis, and one end of each spoke (21) in the plurality of groups of spoke type cutting assemblies (2) is coaxially connected with the driven bevel gears (32) in a one-to-one correspondence manner;
the driving piece is coaxially connected with the driving bevel gear (31).
4. A spoke cutterhead according to claim 3,
the driving piece is a rotary joint (4), the rotary joint (4) and the mounting disc (1) are arranged along the same axis, and the rotary joint (4) is selectively in transmission connection with the driving bevel gear (31) or the mounting disc (1).
5. A spoke cutterhead according to claim 1,
the transverse section of the spoke (21) is a polygon, and each edge of the spoke (21) is provided with a group of knife blocks (22).
6. A spoke cutterhead according to claim 5,
the transverse section of the spoke (21) is triangular.
7. A spoke cutterhead according to claim 5,
the joints of two adjacent surfaces along the circumferential direction of the spokes (21) are in arc transition.
8. A spoke cutterhead according to claim 5,
the spokes (21) are gradually reduced in area from one end far away from the mounting disc (1) to one end close to the mounting disc (1).
9. A spoke cutterhead according to claim 4,
the connecting gear (8) is sleeved on the rotary joint (4);
the mounting disc (1) is provided with an annular rack (5) and a transmission wheel (6);
the annular rack (5) is arranged on one side of the mounting disc (1), and the transmission wheel (6) is meshed with the annular rack (5) and the connecting gear (8).
10. A spoke cutterhead according to claim 1,
still include fish tail sword (7), fish tail sword (7) set up the top of mounting disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121713617.XU CN215830509U (en) | 2021-07-23 | 2021-07-23 | Spoke type cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121713617.XU CN215830509U (en) | 2021-07-23 | 2021-07-23 | Spoke type cutter head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830509U true CN215830509U (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121713617.XU Active CN215830509U (en) | 2021-07-23 | 2021-07-23 | Spoke type cutter head |
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| CN (1) | CN215830509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577966A (en) * | 2021-08-19 | 2021-11-02 | 界首市振航塑料机械有限公司 | Visual plastics granulation flue gas intelligent processing device |
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2021
- 2021-07-23 CN CN202121713617.XU patent/CN215830509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577966A (en) * | 2021-08-19 | 2021-11-02 | 界首市振航塑料机械有限公司 | Visual plastics granulation flue gas intelligent processing device |
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