CN218716800U - Cutter head assembly of heading machine and heading machine with cutter head assembly - Google Patents
Cutter head assembly of heading machine and heading machine with cutter head assembly Download PDFInfo
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- CN218716800U CN218716800U CN202222070405.5U CN202222070405U CN218716800U CN 218716800 U CN218716800 U CN 218716800U CN 202222070405 U CN202222070405 U CN 202222070405U CN 218716800 U CN218716800 U CN 218716800U
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- cutter
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Abstract
The utility model relates to a cutter head assembly of entry driving machine and entry driving machine thereof, including the blade disc body, the blade disc body is the tube-shape structure, and the outside circumference wall of tube-shape structure is the working face. The cutter head body rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine. And a cutter unit is arranged on the outer circumferential arm of the cutter head body. The cutter unit is capable of cutting rock in a roadway or tunnel. Through the rotation of cutter head body around its self axis, and the direction that the axis extends is perpendicular with the tunnelling direction of entry driving machine, compares current cutter head unit, breaks through the design theory of traditional cutter head to the section of thick bamboo wall of cutter head body is the working face and arranges the cutter, cuts the rock. The cutting section can be formed to be rectangular. And moreover, the excavation is not limited by the space of a construction environment completely, the construction efficiency is improved for the construction operation when the width of the section of the roadway is required to be narrow, the number of constructors is reduced, the construction cost is saved, and the construction period is shortened.
Description
Technical Field
The utility model relates to a entry driving machine technical field especially relates to a blade disc assembly of entry driving machine and entry driving machine thereof.
Background
A cutter head of the heading machine is a main component of the heading machine and is a pioneer of the heading machine, and the cutter head can be in direct contact with a hard rock roadway or a tunnel to cut rocks and excavate sections of the roadway and the tunnel.
At present, the cutter head is cylindrical, the circular end face of one side, close to the roadway or the tunneling direction, of the cylindrical cutter head is a working face, and a plurality of cutters are arranged on the working face. The shape of the excavated tunnel or tunnel is generally circular, and the tunnel or tunnel is laid, cut and trimmed at the later stage according to the construction requirements. If the space of construction environment is narrow then the restriction of blade disc, the section width requirement in tunnel, tunnel is narrower (rectangle promptly), and traditional blade disc structure can't get into narrower space to the blade disc also can't normally work yet, if can be under construction the later stage and repairment work load also great, easily delays the time limit for a project progress, increases construction cost.
Therefore, a cutter head assembly of the heading machine and the heading machine thereof are needed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a cutter head assembly of entry driving machine and entry driving machine thereof, it has solved the technical problem of the unable volume of adjusting compression behind the articulated seal installation among the prior art.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
the embodiment of the utility model provides a cutter head assembly of a tunneling machine, which comprises a cutter head body, wherein the cutter head body is a cylindrical structural part, and the outer circumferential wall of the cylindrical structural part is a working surface;
the cutter head body rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine;
a cutter unit is arranged on the outer circumferential arm of the cutter head body;
the cutter unit is capable of cutting rock in a roadway or tunnel.
Optionally, the cutter head body comprises a cutter head frame, a hydraulic motor, a spline shaft and a bearing;
the cutter head frame is provided with a cylindrical hollow chamber, the hydraulic motor is fixedly arranged on a bearing seat, the hydraulic motor is arranged in the cylindrical hollow chamber through the bearing seat, and the hydraulic motor and the cylindrical hollow chamber are coaxially arranged;
the bearing seat is fixedly arranged on the connecting big arm, the bearing is arranged in the bearing seat, the inner ring of the bearing is fixedly connected with the bearing seat, and the outer ring of the bearing is fixedly connected with the inner side wall of the cutter head frame;
the spline shaft is fixedly arranged on the cutter head frame;
the hydraulic motor is connected with the spline shaft and drives the spline shaft to drive the cutter head frame to rotate relative to the inner ring of the bearing.
Optionally, the cylindrical hollow chamber has an end surface opening;
the cutter head body further comprises an cover plate, the cover plate is buckled and arranged at an opening of the cavity in the cylindrical shape, the spline shaft is fixedly installed on the cover plate, and the cover plate is fixedly connected with the cutter head frame.
Optionally, a sealing unit is arranged on one side of the bearing seat close to the connecting large arm;
the sealing unit is used for sealing the cylindrical hollow chamber.
Optionally, the sealing unit is a lip seal.
Optionally, the bearing seat comprises a cylindrical bearing seat body and an annular support part arranged on the outer wall of the cylindrical bearing seat body;
one end of the cylindrical bearing seat main body, which is close to the connecting large arm, extends outwards along the radial direction of the cylindrical bearing seat main body to form an annular connecting part;
the cylindrical bearing seat main body can accommodate the hydraulic motor;
a step-shaped accommodating groove is formed on the outer walls of the annular supporting part and the cylindrical bearing seat main body, and the bearing is arranged in the accommodating groove;
a sealing space for accommodating the lip-shaped sealing ring is formed between the annular supporting part and the annular connecting part;
the annular connecting part is detachably connected with the connecting large arm.
Optionally, the bearing is a cylindrical roller bearing.
Optionally, the cutter unit comprises a plurality of tool holders and a plurality of tool bits corresponding to the tool holders;
the cutter seats are spirally distributed on the outer circumferential wall of the cutter head frame and are fixedly connected with the cutter head frame;
the tool bit is detachably connected with the tool apron.
On the other hand, the heading machine comprises the cutter head assembly, and further comprises a connecting large arm and a main machine;
the main machine can drive the cutter head assembly to advance or retreat along the tunneling direction through the connecting large arm.
(III) advantageous effects
The utility model provides a cutter head assembly of cutter head assembly entry driving machine and entry driving machine thereof, through cutter head body around its self axis rotation, and the direction that the axis extends is perpendicular with the tunnelling direction of entry driving machine, compares current cutter head unit, breaks through the design theory of traditional blade disc to the section of thick bamboo wall of cutter head body arranges the cutter for the working face, cuts the rock. The cutting section can be formed to be rectangular. And moreover, the excavation is not limited by the space of a construction environment completely, the construction efficiency is improved for the construction operation when the width of the section of the roadway is required to be narrow (rectangular), the number of constructors is reduced, the construction cost is saved, and the construction period is shortened.
Drawings
Fig. 1 is a schematic front view of a cutter head assembly of the heading machine of the present invention;
fig. 2 isbase:Sub>A schematic sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.
[ instruction of reference ]
1: a cutter head body; 11: a cutter head frame; 12: a bearing seat; 121: a cylindrical bearing housing main body; 122: an annular support portion; 123: an annular connecting portion; 13: a cover plate; 14: a hydraulic motor; 15: a spline shaft; 16: a bearing;
2: a cutter unit; 21: a tool apron; 22: a cutter head;
3: connecting the large arm;
4: and a sealing unit.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings. Where directional terms such as "upper", "lower", "front" and "rear" are used herein, reference is made to the orientation of FIG. 1. Wherein the direction of the middle shield 10 is defined as "anterior" and the direction of the tail shield 20 is defined as "posterior".
The embodiment of the utility model provides a heading machine, including cutterhead subassembly, still including connecting big arm 3 and host computer.
The main machine can drive the cutterhead assembly to move forwards or backwards along the tunneling direction by connecting the large arm 3 so as to realize the whole tunneling process.
A cutter head assembly of a heading machine comprises a cutter head body 1, wherein the cutter head body 1 is a cylindrical structural member, and the outer circumferential wall of the cylindrical structural member is a working surface.
The cutter head body 1 rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine.
Further, the cutter head body 1 includes a cutter head frame 11, a hydraulic motor 14, a spline shaft 15, and a bearing 16.
The cutter head frame 11 is a cylindrical welding structural member, and the width of the cutter head frame 11 is determined according to the excavation width. The diameter of the cutter head frame 11 is determined according to the excavation height and the type of the cutter head in the cutter unit 2. Specifically, the cutter head frame 11 has a cylindrical hollow chamber, the hydraulic motor 14 is fixedly mounted on the bearing seat 12, the hydraulic motor 14 is disposed in the cylindrical hollow chamber through the bearing seat 12, and the hydraulic motor 14 and the cylindrical hollow chamber are coaxially disposed.
The bearing seat 12 is fixedly arranged on the connecting large arm 3, the connecting large arm 3 can be connected with the cutter head body 1 and the host, and the cutter head body 1 can be driven by an adjusting mechanism in the host to integrally pitch up and down, move back and forth and swing left and right.
Further, a bearing 16 is installed in the bearing seat 12, an inner ring of the bearing 16 is fixedly connected with the bearing seat 12, and an outer ring of the bearing 16 is fixedly connected with the inner side wall of the cutter head frame 11.
Further, the bearing 16 is a three-row unequal-diameter cylindrical roller bearing with a sealing system. The outer ring of the bearing 16 is in interference fit with the inner cylinder wall of the cutter head frame 11 and is fixedly connected with the inner cylinder wall through bolts. The inner ring of the bearing 16 is in transition fit with the bearing seat 16 and is fixedly connected with the bearing seat through bolts. The bearing 16 can bear axial and radial loads and tilting moment at the same time, and has high reliability and high bearing capacity.
Further, a sealing unit 4 is provided on the side of the bearing housing 12 near the connecting large arm 3.
The sealing unit is used for sealing the cylindrical hollow chamber.
Further, the sealing unit is a lip seal.
Further, the bearing housing 12 includes a cylindrical housing body 121, and an annular support portion 122 provided on an outer wall of the cylindrical housing body 121.
In this embodiment, lip-shaped sealing ring's sealed effectual, the pressure that the sealing washer was designed is 10bar moreover, and is high-efficient wear-resisting. The special soil-sand sealing design and HBW injection can effectively isolate sand, gravel and muddy water from entering the cutter head body 1.
The cylindrical bearing housing body 121 has an annular connecting portion 123 formed extending toward the outside in the radial direction thereof near one end of the connecting large arm 3.
The cylindrical bearing housing body 121 can house the hydraulic motor 14.
The annular support portion 122 and the outer wall of the cylindrical bearing housing body 121 form a step-shaped receiving groove, and the bearing 16 is disposed in the receiving groove.
A sealed space for accommodating the lip seal is formed between the annular support portion 122 and the annular connecting portion 123.
The annular connecting part 123 is detachably connected with the connecting large arm 3 through a bolt.
The spline shaft 15 is fixedly mounted on the cutter head frame 11.
The hydraulic motor 14 is connected with a spline shaft 15, and drives the spline shaft 15 to drive the cover plate 13 to rotate, so as to drive the cutter head frame 11 to rotate relative to the inner ring of the bearing 16.
It should be noted that, the hydraulic motor 14 is adopted to drive directly, and the hydraulic motor 14 has a small volume, a light weight and a large output torque.
Furthermore, the cylindrical hollow chamber is provided with an end surface opening.
The cutter head body 1 further comprises a cover plate 13, and the cover plate 13 is buckled at an opening of the cylindrical hollow chamber. The spline shaft 15 is fixedly arranged on the cover plate 13, and the cover plate 13 is fixedly connected with the cutter head frame 11. The cover plate 13 is detachably connected with the cutter head frame 11. The installation is convenient, moreover, the cover plate 13 is used for preventing dust and sealing the inside of the hollow cavity of the cutter head body 1 and is used for fixedly installing the spline shaft 15, so that the hydraulic motor 14 directly drives the spline shaft 15, and then the cutter head frame 11 is driven to rotate relatively relative to the bearing seat 12.
The cutter unit 2 is arranged on the outer circumferential arm of the cutter head body 1.
Further, the cutter unit 2 includes a plurality of tool holders 21 and a plurality of tool bits 22 corresponding to the tool holders 21.
The plurality of tool holders 21 are spirally distributed on the outer circumferential wall of the cutter head frame 11, and the tool holders 21 are fixedly connected with the cutter head frame 11. So that the cutter head 22 on the cutter seat 21 on the cutter head frame 11 can be in good contact with a working surface.
The cutting head 22 is detachably connected with the tool holder 21.
The holder 21 is welded to the cylindrical wall of the cutter head body according to the arrangement of the cutter head 22, and is used for mounting the cutter head 2. The structure of the tool apron 21 makes the tool change convenient and fast.
Furthermore, corresponding cutters, soft soil, soft rock and cutting teeth can be configured according to different stratums; medium soft and medium hard rock-disk hobbing cutter; hard rock-tipped hob.
The tool holder 21 can be welded to the outer side of the wall of the cutter head body 1 in accordance with the arrangement of the tool bit 22, and is used for mounting the tool bit 22. The structure of the tool holder 21 makes it easy and quick to replace the tool bit 22.
The cutter unit 2 is capable of cutting rock in a roadway or tunnel.
The utility model discloses in, the utility model relates to a structure of blade disc body 1 is cylindric welded structure, and the working face is the section of thick bamboo wall outside, changes this blade disc body 1 and chooses different grade type tool bit 22 according to the geological conditions of difference, chooses for use hydraulic motor 14 directly to drive the formula, and the transmission moment of torsion is big, chooses for use from three row cylindrical roller bearing 16 of taking sealing system for use, can bear great axial, radial load simultaneously. The operation is stable and the reliability is high when the cutter head cuts rocks. The utility model discloses a one side that blade disc body 1 is close to connecting big arm 3 is equipped with sealing unit 4, can effectively completely cut off grit muddy water and get into blade disc frame 11 in. The cutter head body 1 is connected with a host machine through a connecting large arm 3, and the host machine is provided with a hydraulic oil cylinder or a mechanical mechanism to drive the cutter head body 1 to move up and down, back and forth, left and right, and the like, so that a roadway or a tunnel is excavated.
Specifically, taking the cutter head body 1 equipped with a disk-type hob as an example, the hydraulic motor 14 is started, and the cutter head frame 11 is rotated by the spline shaft 15. When in tunneling, the cutting edge of the disc-shaped hob arranged on the outer ring of the cylinder wall of the cutterhead frame 11 is wedged into rock to break the rock, the cutterhead frame 11 is driven by the rotation of the hydraulic motor 4, so that the disc-shaped hob rolls on the working surface to break the rock continuously, the cutterhead body 1 is pushed forward, and the broken rock of the disc-shaped hob is drilled into a roadway or a tunnel.
The utility model provides a cutter head assembly of cutter head assembly entry driving machine and entry driving machine thereof, through cutter head body 1 around its self axis rotation, and the direction that the axis extends is perpendicular with the tunnelling direction of entry driving machine, compares current blade disc, breaks through the design theory of traditional blade disc to cutter head body 1's section of thick bamboo wall is working face arrangement cutter unit 2, cuts the rock. The cutting section can be formed to be rectangular. And the excavation is not limited by the space of the construction environment completely, the construction operation when the width of the section of the roadway requires a narrow rectangle is carried out, the construction efficiency is improved, constructors are reduced, the construction cost is saved, and the construction period is shortened.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is significant. 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 limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, 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 "under," "beneath," and "under" 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 invention. 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. The utility model provides a cutter head assembly of entry driving machine which characterized in that: the cutter head comprises a cutter head body (1), wherein the cutter head body (1) is a cylindrical structural part, and the outer circumferential wall of the cylindrical structural part is a working surface;
the cutter head body (1) rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine;
a cutter unit (2) is arranged on the outer circumferential arm of the cutter head body (1);
the cutter unit (2) can cut rock on a roadway or a tunnel.
2. The cutterhead assembly of a heading machine as claimed in claim 1 wherein: the cutter head body (1) comprises a cutter head frame (11), a hydraulic motor (14), a spline shaft (15) and a bearing (16);
the cutter head frame (11) is provided with a cylindrical hollow cavity, the hydraulic motor (14) is fixedly arranged on a bearing seat (12), the hydraulic motor (14) is arranged in the cylindrical hollow cavity through the bearing seat (12), and the hydraulic motor (14) and the cylindrical hollow cavity are coaxially arranged;
the bearing seat (12) is fixedly arranged on the connecting big arm (3), the bearing (16) is arranged in the bearing seat (12), the inner ring of the bearing (16) is fixedly connected with the bearing seat (12), and the outer ring of the bearing (16) is fixedly connected with the inner side wall of the cutter head frame (11);
the spline shaft (15) is fixedly arranged on the cutter head frame (11);
the hydraulic motor (14) is connected with the spline shaft (15) and drives the spline shaft (15) to drive the cutter head frame (11) to rotate relative to the inner ring of the bearing (16).
3. A cutter head assembly for a heading machine as claimed in claim 2 wherein: the cylindrical hollow cavity is provided with an end surface opening;
cutterhead body (1) still includes apron (13), apron (13) are detained and are located the uncovered department of cavity chamber in the tube-shape, integral key shaft (15) fixed mounting in on apron (13), just apron (13) with cutterhead frame (11) fixed connection.
4. The cutterhead assembly of a heading machine as claimed in claim 2 wherein: a sealing unit (4) is arranged on one side, close to the connecting large arm (3), of the bearing seat (12);
the sealing unit is used for sealing the cylindrical hollow chamber.
5. The cutterhead assembly of a heading machine as claimed in claim 4 wherein: the sealing unit is a lip-shaped sealing ring.
6. The cutterhead assembly of a heading machine as claimed in claim 5 wherein: the bearing seat (12) comprises a cylindrical bearing seat body (121) and an annular supporting part (122) arranged on the outer wall of the cylindrical bearing seat body (121);
one end of the cylindrical bearing seat main body (121) close to the connecting large arm (3) extends towards the outside along the radial direction to form an annular connecting part (123);
the cylindrical bearing housing body (121) being capable of housing the hydraulic motor (14);
a step-shaped accommodating groove is formed between the annular supporting part (122) and the outer wall of the cylindrical bearing seat body (121), and the bearing (16) is arranged in the accommodating groove;
a sealing space for accommodating the lip-shaped sealing ring is formed between the annular supporting part (122) and the annular connecting part (123);
the annular connecting part (123) is detachably connected with the connecting large arm (3).
7. The cutterhead assembly of a heading machine as claimed in claim 2 wherein: the bearing (16) is a cylindrical roller bearing.
8. The cutterhead assembly of a heading machine as claimed in claim 2 wherein: the cutter unit (2) comprises a plurality of cutter seats (21) and a plurality of cutter heads (22) corresponding to the cutter seats (21);
the cutter seats (21) are spirally distributed on the outer circumferential wall of the cutter head frame (11), and the cutter seats (21) are fixedly connected with the cutter head frame (11);
the cutter head (22) is detachably connected with the cutter holder (21).
9. A heading machine is characterized in that: a cutterhead assembly including any one of claims 1-8, further including connecting the boom (3) to a main machine;
the main machine can drive the cutter head assembly to advance or retreat along the tunneling direction through the connecting large arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222070405.5U CN218716800U (en) | 2022-08-08 | 2022-08-08 | Cutter head assembly of heading machine and heading machine with cutter head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222070405.5U CN218716800U (en) | 2022-08-08 | 2022-08-08 | Cutter head assembly of heading machine and heading machine with cutter head assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218716800U true CN218716800U (en) | 2023-03-24 |
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ID=85628440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222070405.5U Active CN218716800U (en) | 2022-08-08 | 2022-08-08 | Cutter head assembly of heading machine and heading machine with cutter head assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218716800U (en) |
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2022
- 2022-08-08 CN CN202222070405.5U patent/CN218716800U/en active Active
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