CN114991795A - Oscillating hard rock cutting device and heading machine - Google Patents
Oscillating hard rock cutting device and heading machine Download PDFInfo
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- CN114991795A CN114991795A CN202210621328.XA CN202210621328A CN114991795A CN 114991795 A CN114991795 A CN 114991795A CN 202210621328 A CN202210621328 A CN 202210621328A CN 114991795 A CN114991795 A CN 114991795A
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- cutting
- hard rock
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- cutting disc
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- 239000011435 rock Substances 0.000 title claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000005641 tunneling Effects 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000036346 tooth eruption Effects 0.000 abstract description 3
- 230000003116 impacting effect Effects 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000008312 Tooth Loss Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000003857 wrist joint Anatomy 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to the field of hard rock tunneling machines, in particular to a swinging type hard rock cutting device and a tunneling machine. The swing type hard rock cutting device comprises a cutting arm, a cutting disc is mounted on the cutting arm, the cutting disc is provided with a spindle, the spindle is rotatably assembled on the cutting arm and is in transmission connection with a driving device, a cutting disc mounting section which is in running fit with the cutting disc is arranged on the spindle, the cutting disc is mounted on the cutting disc mounting section, and the rotation axis of the cutting disc and the rotation axis of the spindle do not coincide with each other relative to the rotation axis of the cutting arm. The swing type hard rock cutting device provided by the invention discards a mode that cutting teeth extrude and bite into rocks in the prior art, can break the rocks by driving the eccentrically arranged cutting disk to generate impact force by utilizing an eccentric swing type cutting principle and utilizing a mode of impacting and extruding composite rock breaking, greatly improves the rock biting efficiency, and solves the problem of low cutting efficiency caused by difficulty in biting into rock strata of the existing swing type hard rock cutting device.
Description
Technical Field
The invention relates to the field of hard rock tunneling machines, in particular to a swinging type hard rock cutting device and a tunneling machine.
Background
The conventional cantilever excavator comprises a main machine, a cantilever and a cutting head arranged at the tail end of the cantilever, and is important construction equipment in the engineering construction fields of railways, roads, water conservancy, mines, urban traffic and the like. The cutting head adopts the working principle of extrusion crushing, and when the cutting head meets a hard rock stratum, the problems of low cutting efficiency and large cutting tooth loss can occur due to the limitation of a rock breaking mechanism, so that the construction period is prolonged and the construction cost is increased.
Aiming at the problems, the Chinese utility model patent with the publication number of CN210013700U and publication date of 2020, 2 and 4 discloses a hard rock cutting device. The device comprises a mounting frame, a milling cutter disc and a driving piece. The mounting frame is arranged on a tunneling locomotive during use, a wrist joint is arranged on the mounting frame, the milling cutter disc is arranged at the tail end of the mounting frame, a plurality of groups of milling blades are arranged at intervals around an axis at the outer edge, the driving piece is also arranged on the mounting frame and is in transmission connection with the milling cutter disc, the milling cutter disc can be driven to rotate, and then milling excavation of the corresponding position is achieved.
Above-mentioned hard rock cutting means is at the during operation, and driving piece drive milling cutter dish rotates on the mounting bracket to cut hard rock by the milling sword that sets up in milling cutter dish week side, thereby usable rock resistance to compression non-tensile characteristic utilizes less milling force to cut hard rock, promotes the cutting efficiency of hard rock cutting means to hard rock, and prolongs the life of hard rock cutting means. However, the mechanism of cutting the milling cutter head into the rock of the hard rock cutting device is similar to the rock breaking principle of the existing hob, the force required for cutting into the rock is provided by the swing driving device connected with the mounting frame, and the hard rock or the extremely hard rock is still difficult to bite into the rock stratum when being cut, so that the cutting efficiency cannot be ensured.
Disclosure of Invention
The invention aims to provide a swinging hard rock cutting device, which aims to solve the problem of low cutting efficiency caused by difficulty in being absorbed into rock strata of the existing swinging hard rock cutting device.
Meanwhile, the invention also aims to provide the heading machine using the swing type hard rock cutting device.
In order to solve the problems, the swinging hard rock cutting device adopts the following technical scheme: the swing type hard rock cutting device comprises a cutting arm, wherein a cutting disc is mounted on the cutting arm, the cutting disc is provided with a spindle, the spindle is rotatably assembled on the cutting arm and is in transmission connection with a driving device, a cutting disc mounting section which is in running fit with the cutting disc is arranged on the spindle, the cutting disc is mounted on the cutting disc mounting section, and the rotation axis of the cutting disc and the rotation axis of the spindle do not coincide with each other relative to the rotation axis of the cutting arm.
Has the advantages that: the swing type hard rock cutting device provided by the invention abandons the mode that cutting teeth extrude and bite into rocks in the prior art, firstly, the cutting disc of the spindle is rotatably assembled on the spindle, and the rotation axis of the spindle relative to the cutting arm are in a non-coincident structure, so that the rock can be broken by driving the eccentrically arranged cutting disc to generate impact force by utilizing an eccentric swing type cutting principle and utilizing a mode of impacting and extruding composite rock breaking, the rock biting efficiency is greatly improved, and the problem of low cutting efficiency caused by difficulty in biting into rock strata of the existing swing type hard rock cutting device is solved.
Furthermore, the rotation axis of the cutting disk coincides with the center line of the cutting disk mounting section, and the center line of the cutting disk mounting section is parallel to the rotation axis of the spindle relative to the cutting arm. When the central line of the cutting disk mounting section is parallel to the rotation axis of the spindle, the flat cutting posture of the cutting disk can be well controlled, and the cutting disk is beneficial to eating rocks at the position facing the empty surface.
Furthermore, the cutting disc is a rotary cutter, which includes an annular cutter body rotatably engaged with the cutting disc mounting section and an annular cutting edge detachably mounted on the annular cutter body. The cutting edge is used as a loss part, and the ring cutter blade detachably assembled on the annular cutter body has the characteristic of convenience in replacement and maintenance.
Furthermore, the cutting disk comprises a cutter head mounting seat which is in running fit with the cutting disk mounting section and rotary cutters which are arranged around the circumference of the cutter head mounting seat. A plurality of rotary cutters arranged through the cutter head mounting seat have a larger operation range, and higher rock breaking efficiency can be achieved.
Furthermore, the cutting arm comprises an operation section at the front end and a force application section connected to the rear end of the operation section, a joint is formed between the operation section and the force application section, and a driving cylinder for driving the operation section to swing around the joint is arranged between the operation section and the force application section. The arrangement of the joints and the driving cylinder can be used for adjusting the posture of the cutting disk, so that the angle and the range of cutting into rocks of the cutting disk are controlled, and the rock breaking efficiency of the cutting disk is improved.
Furthermore, the joint is provided with a hinging block, and the operation section and the force application section are hinged with the hinging block around two mutually vertical hinging axes respectively. The articulated mode realizes the universal swing between the operation section and the force application section.
Furthermore, the driving device is a motor, a motor bin is arranged on the cutting arm, and the motor is arranged in the motor bin. The motor arranged in the motor bin is not easy to damage, and is closer to the cutting disk, so that the arrangement of a transmission structure can be simplified.
Further, the motor is arranged coaxially with the spindle. When the motor and the main shaft are coaxially arranged, the transmission structure of the motor can be simplified to the maximum extent.
Furthermore, the cutting disk is in running fit with the cutting disk mounting section of the spindle through thrust bearings arranged at two ends of the cutting disk. The thrust bearings at the two ends can ensure the stability of the cutting disc in rock breaking.
The heading machine adopts the following technical scheme: the heading machine comprises a host and an oscillating hard rock cutting device, wherein the oscillating hard rock cutting device comprises a cutting arm, a cutting disc is mounted on the cutting arm, the cutting disc is provided with a spindle, the spindle is rotatably assembled on the cutting arm and is in transmission connection with a driving device, a cutting disc mounting section which is in running fit with the cutting disc is arranged on the spindle, and the cutting disc is mounted on the cutting disc mounting section and the rotation axis of the cutting disc and the rotation axis of the spindle do not coincide with the rotation axis of the cutting arm.
Has the advantages that: in the heading machine, the oscillating hard rock cutting device abandons the mode that the cutting teeth extrude and bite into the rock in the prior art, firstly proposes that the cutting disk of the spindle is rotationally assembled on the spindle, and the rotation axis of the spindle relative to the cutting arm are in a non-coincident structure, so that the eccentric oscillating cutting principle can be utilized, the eccentrically arranged cutting disk is driven to generate impact force, and the rock is broken by utilizing the impact and extrusion composite rock breaking mode, thereby greatly improving the rock biting efficiency and solving the problem of low cutting efficiency caused by difficulty in biting into rock layers of the existing oscillating hard rock cutting device.
Furthermore, the rotation axis of the cutting disk coincides with the center line of the cutting disk mounting section, and the center line of the cutting disk mounting section is parallel to the rotation axis of the spindle relative to the cutting arm. When the central line of the cutting disk mounting section is parallel to the rotation axis of the spindle, the flat cutting posture of the cutting disk can be well controlled, and the cutting disk is beneficial to eating rocks at the position facing the empty surface.
Furthermore, the cutting disc is a rotary cutter, which includes an annular cutter body rotatably engaged with the cutting disc mounting section and an annular cutting edge detachably mounted on the annular cutter body. The cutting edge is used as a loss part, and the ring cutter blade detachably assembled on the annular cutter body has the characteristic of convenience in replacement and maintenance.
Furthermore, the cutting disk comprises a cutter head mounting seat which is in running fit with the cutting disk mounting section and rotary cutters which are arranged around the circumference of the cutter head mounting seat. A plurality of rotary cutters arranged through the cutter head mounting seat have a larger operation range, and higher rock breaking efficiency can be achieved.
Furthermore, the cutting arm comprises an operation section at the front end and a force application section connected to the rear end of the operation section, a joint is formed between the operation section and the force application section, and a driving cylinder for driving the operation section to swing around the joint is arranged between the operation section and the force application section. The arrangement of the joints and the driving cylinder can be used for adjusting the posture of the cutting disk, so that the angle and the range of cutting into rocks of the cutting disk are controlled, and the rock breaking efficiency of the cutting disk is improved.
Furthermore, the joint is provided with a hinging block, and the operation section and the force application section are hinged with the hinging block around two mutually vertical hinging axes respectively. The articulated mode realizes the universal swing between the operation section and the force application section.
Furthermore, the driving device is a motor, a motor bin is arranged on the cutting arm, and the motor is arranged in the motor bin. The motor arranged in the motor cabin is not easy to damage, and is closer to the cutting disc, so that the arrangement of a transmission structure can be simplified.
Further, the motor is arranged coaxially with the spindle. When the motor and the main shaft are coaxially arranged, the transmission structure of the motor can be simplified to the maximum extent.
Furthermore, the cutting disk is in running fit with the cutting disk mounting section of the spindle through thrust bearings arranged at two ends of the cutting disk. The thrust bearings at the two ends can ensure the stability of the cutting disc in rock breaking.
Drawings
Figure 1 is a schematic structural view of an embodiment 1 of the oscillating hard rock cutting unit of the invention;
figure 2 is a longitudinal section through an embodiment 1 of the oscillating hard rock cutting device of the invention at the working section of the cutting arm;
FIG. 3 is a schematic structural view of a hinge block;
figure 4 is a schematic view of the working section and the force application section of the cutting arm in embodiment 1 of the oscillating hard rock cutting unit of the invention oscillating relative to each other;
figure 5 is a schematic structural view of embodiment 2 of the oscillating hard rock cutting unit of the invention.
In the figure: 101. a cutting arm; 102. cutting the disc; 11. a force application section; 12. an operation section; 13. a hinged block; 131. an annular base; 132. hinging a shaft; 14. hinging the ear plate; 15. a driving cylinder; 16. a hinged seat; 21. an annular cutter body; 22. a circular cutting edge; 103. a main shaft; 104. a thrust bearing; 105. a motor; 31. a cutting disk mounting section; 32. a bearing gland; 33. sealing the end cap; 41. a cutter head mounting seat; 42. and (4) a rotary cutter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention 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 figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …," or the like, does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1 of the oscillating hard rock cutting device of the invention:
as shown in fig. 1-4, the oscillating hard rock cutting apparatus comprises a cutting arm 101 and a cutting disc 102.
The structure of the cutting arm 101 is shown in fig. 1 and 4, and includes a force application section 11 and an operation section 12, wherein the force application section 11 is used for being connected with a main machine of the heading machine, is installed on the main machine of the heading machine, and swings under the driving of a power device on the main machine of the heading machine, so as to perform construction operation. The joint is arranged at the joint of the force application section 11 and the operation section 12, and in this embodiment, the joint is formed by connecting the force application section 11 and the operation section 12 through an articulation block 13. The hinge block 13 is constructed as shown in fig. 3, and includes a central annular base 131 and four hinge shafts 132 disposed on the outer circumferential surface of the annular base 131, wherein two of the four hinge shafts 132 are disposed in pairs, the hinge shafts 132 of the same pair share a center line, and the center lines of the two pairs of hinge shafts 132 are perpendicular to each other, so that a cross hinge structure is formed between the force application section 11 and the working section 12. The working section 12 and the force application section 11 are respectively provided with a hinge lug plate 14 corresponding to the hinge shaft 132, and are connected with the corresponding hinge shaft through the hinge lug plate 14, so that a universal hinge structure is formed between the working section 12 and the force application section 11. In order to be able to actively control the working attitude of the working section 12, i.e. the pivot orientation and angle relative to the force application section 11, a drive cylinder 15 is provided between the working section 12 and the force application section 11, in this embodiment, the drive cylinders 15 and their articulated seats 16 are 4 sets, and are uniformly arranged around the center line of the cutting arm 101, and by the cooperation between the drive cylinders 15, the working section 12 can be operated in a set attitude.
The cutting disc 102 is mounted on the working section 12 of the cutting arm 101 by means of a spindle 103. In the present embodiment, the cutting disk 102 is a rotary cutter. In order to facilitate the maintenance of the rotary cutter, the rotary cutter is arranged in a combined structure of the annular cutter body 21 and the ring-shaped cutter blade 22, the annular cutter body 21 and the ring-shaped cutter blade 22 are detachably fixed together through bolts, and when the ring-shaped cutter blade 22 is worn, the ring-shaped cutter blade can be quickly replaced without integrally replacing the cutting disc 102. The working section 12 of the cutting arm 101 is of a hollow structure, the spindle 103 is rotatably assembled in the inner cavity of the cutting arm 101 through two thrust bearings 104, and is in transmission connection with a driving device at the rear end, in this embodiment, the driving device adopts a motor 105, the inner hole of the working section 12 simultaneously forms a motor chamber for installing the motor 105, and the motor 105 is installed in the inner hole of the working section 12 in a flange connection manner and is coaxially arranged with the spindle 103.
The front end of the main shaft 103 is provided with a cutting disk mounting section 31, the cutting disk 102 is rotatably mounted on the cutting disk mounting section 31 through two thrust bearings 104, the center of the cutting disk mounting section 31 is taken as a rotation center, and the main shaft 103 is provided with a bearing gland 32 and a sealing end cover 33 at the front end for compressing the thrust bearings. The center line of the cutting disk installation section 31 is not coincident with the rotation axis of the spindle 103, in this embodiment, specifically, the center line of the cutting disk installation section 31 is parallel to the rotation axis of the spindle 103, a set eccentricity e is provided between the center line and the rotation axis, where e is greater than 0 and less than or equal to a (a is greater than 0, and is determined by geological conditions according to experience).
When the swing type hard rock cutting device is used for tunneling a tunnel, the swing type hard rock cutting device can be installed on a main machine of a tunneling machine, a power device on the main machine drives the cutting arm 101 to swing along a set path, meanwhile, the driving cylinder 15 is used for adjusting an included angle alpha between an operation section and a force application section, the angle of cutting into the rock is controlled, and the free section is excavated by utilizing the vertical and horizontal swinging of the cutting arm 101. The excavation process utilizes the eccentric swing type cutting principle, the cutting disc 102 which is eccentrically arranged is driven to rotate by the motor 105 and generates impact force, and rock breaking is carried out by utilizing the combined rock breaking mode of impact and extrusion. The rotary cutter can rotate around the axis of the cutting disk mounting section 31 of the spindle to prevent eccentric wear. The rotary cutter impacts and extrudes the rock along with the eccentric rotation of the cutting disk mounting section 31, and the tensile strength of the rock is damaged, so that the required cutting force is reduced, and the cutting efficiency is improved.
Example 2 of the oscillating hard rock cutting device of the invention:
in the embodiment 1 of the oscillating hard rock cutting device of the invention, the cutting disc directly adopts the structure of the rotary cutter, and in the embodiment, as shown in fig. 5, the cutting disc comprises a cutter disc mounting seat 41 which is rotationally matched with the cutting disc mounting section of the cutting arm and the rotary cutter 42 which is arranged around the circumference of the cutter disc mounting seat 41. In addition, in other embodiments, the eccentric rotation assembly of the cutting disk can be realized through an eccentric shaft sleeve and the like, and in this case, the main shaft can be a through shaft with a single axis.
Example 3 of the oscillating hard rock cutting device of the invention:
in embodiment 1 of the oscillating hard rock cutting device of the invention, the axis of rotation of the cutting disc and the axis of rotation of the spindle are arranged in parallel, thus forming a misaligned configuration. In this embodiment, the axis of rotation of the cutting disk and the axis of rotation of the spindle intersect to form a misaligned configuration.
Example 4 of the oscillating hard rock cutting device of the invention:
in embodiment 1 of the oscillating hard rock cutting device of the invention, the pipe joint between the working section and the force application section of the cutting arm is in a cross-axle hinged structure. In the embodiment, the pipe joint is designed to be in a spherical hinge structure, and universal adjustment can be achieved.
Example 5 of the oscillating hard rock cutting device of the invention:
in embodiment 1 of the oscillating hard rock cutting device of the invention, the pipe joint between the working section and the force application section of the cutting arm is in a cross-axle hinged structure. In this embodiment, only need satisfy that the articulated seat installation angle that the actuating cylinder quantity is no less than 2 actuating cylinders distributes certain angle along the axial, satisfy can mutually support reach the purpose that control cutting disk does not have the dead angle cutting at the cutting within range can, like figure 5, 15 quantity of actuating cylinders are 3, and the installation angle of articulated seat 16 is arranged around cutting arm axis equipartition, can adjust the swing angle of cutting arm through the flexible of control actuating cylinder, the nimble cutting.
The embodiment of the heading machine of the invention comprises the following components:
the heading machine comprises a main machine and a swinging hard rock cutting device, wherein the swinging hard rock cutting device is the swinging hard rock cutting device provided by the invention, and the details are not repeated.
Claims (10)
1. The oscillating hard rock cutting device is characterized by comprising a cutting arm (101), wherein a cutting disc (102) is mounted on the cutting arm (101), the cutting disc (102) is provided with a spindle (103), the spindle (103) is rotatably assembled on the cutting arm (101) and is in transmission connection with a driving device, a cutting disc mounting section (31) which is in rotating fit with the cutting disc (102) is arranged on the spindle (103), the cutting disc (102) is mounted on the cutting disc mounting section (31), and the rotation axis of the cutting disc and the rotation axis of the spindle (103) are not coincident with the rotation axis of the cutting arm (101).
2. The oscillating hard rock cutting device according to claim 1, characterized in that the axis of rotation of the cutting disc (102) coincides with the centre line of the cutting disc mounting section (31), the centre line of the cutting disc mounting section (31) being parallel to the axis of rotation of the spindle (103) relative to the cutting arm (101).
3. The oscillating hardrock cutting apparatus of claim 1 or 2, characterized in that the cutting disc (102) is a rotary cutter comprising an annular cutter body (21) rotatably fitted with the cutting disc mounting section (31) and an annular cutting edge (22) detachably mounted on the annular cutter body (21).
4. The oscillating hard rock cutting device according to claim 1 or 2, characterized in that the cutting disc (102) comprises a cutterhead mount (41) which is rotationally fitted with the cutting disc mount (31) and rotary cutters (42) arranged around the circumference of the cutterhead mount (41).
5. The oscillating hard rock cutting device according to claim 1 or 2, characterized in that the cutting arm (101) comprises a working section (12) at the front end and a force application section (11) connected to the rear end of the working section (12), that a joint is formed between the working section (12) and the force application section (11), and that a drive cylinder (15) for driving the working section to oscillate around the joint is arranged between the working section (12) and the force application section (11).
6. The oscillating hard rock cutting device according to claim 5, characterized in that an articulation block (13) is provided at the joint, and the working section (12) and the force application section (11) are articulated with the articulation block (13) about two articulation axes perpendicular to each other, respectively.
7. The oscillating hard rock cutting device according to claim 1 or 2, characterized in that the drive means is an electric motor (105), and that a motor compartment is provided on the cutting arm (101), in which motor compartment the electric motor (105) is mounted.
8. The oscillating hard rock cutting device according to claim 7, characterized in that the motor (105) is arranged coaxially with the spindle (103).
9. The oscillating hard rock cutting device according to claim 1 or 2, characterized in that the cutting disc (102) is rotatably fitted with the cutting disc mounting section (31) of the spindle by means of thrust bearings (104) provided at both ends.
10. A heading machine comprising a main machine and a swinging hard rock cutting device, wherein the swinging hard rock cutting device is the swinging hard rock cutting device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210621328.XA CN114991795A (en) | 2022-06-01 | 2022-06-01 | Oscillating hard rock cutting device and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210621328.XA CN114991795A (en) | 2022-06-01 | 2022-06-01 | Oscillating hard rock cutting device and heading machine |
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| Publication Number | Publication Date |
|---|---|
| CN114991795A true CN114991795A (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210621328.XA Pending CN114991795A (en) | 2022-06-01 | 2022-06-01 | Oscillating hard rock cutting device and heading machine |
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| CN (1) | CN114991795A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118294306A (en) * | 2024-06-06 | 2024-07-05 | 太原理工大学 | Test device integrating vibration rolling and rolling cutting combined rock breaking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08284589A (en) * | 1995-04-11 | 1996-10-29 | Iseki Tory Tech Inc | Excavator |
| CN106795759A (en) * | 2014-10-06 | 2017-05-31 | 山特维克知识产权股份有限公司 | Cutting equipment |
| CN109923277A (en) * | 2016-09-23 | 2019-06-21 | 久益环球地下采矿有限责任公司 | Rock cutting device |
| CN110857628A (en) * | 2018-08-23 | 2020-03-03 | 上海创力集团股份有限公司 | Hard rock cutting device of development machine |
| CN215979388U (en) * | 2021-08-30 | 2022-03-08 | 重庆宏工工程机械股份有限公司 | Eccentric drill bit of development machine |
| CN216517999U (en) * | 2021-11-27 | 2022-05-13 | 中铁工程装备集团有限公司 | Hard rock cantilever tunneling machine |
-
2022
- 2022-06-01 CN CN202210621328.XA patent/CN114991795A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08284589A (en) * | 1995-04-11 | 1996-10-29 | Iseki Tory Tech Inc | Excavator |
| CN106795759A (en) * | 2014-10-06 | 2017-05-31 | 山特维克知识产权股份有限公司 | Cutting equipment |
| CN109923277A (en) * | 2016-09-23 | 2019-06-21 | 久益环球地下采矿有限责任公司 | Rock cutting device |
| CN110857628A (en) * | 2018-08-23 | 2020-03-03 | 上海创力集团股份有限公司 | Hard rock cutting device of development machine |
| CN215979388U (en) * | 2021-08-30 | 2022-03-08 | 重庆宏工工程机械股份有限公司 | Eccentric drill bit of development machine |
| CN216517999U (en) * | 2021-11-27 | 2022-05-13 | 中铁工程装备集团有限公司 | Hard rock cantilever tunneling machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118294306A (en) * | 2024-06-06 | 2024-07-05 | 太原理工大学 | Test device integrating vibration rolling and rolling cutting combined rock breaking |
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