CN111058856A - Axial feeding tunneling device and tunneling machine - Google Patents
Axial feeding tunneling device and tunneling machine Download PDFInfo
- Publication number
- CN111058856A CN111058856A CN201911366955.8A CN201911366955A CN111058856A CN 111058856 A CN111058856 A CN 111058856A CN 201911366955 A CN201911366955 A CN 201911366955A CN 111058856 A CN111058856 A CN 111058856A
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- central shaft
- shaft
- cantilever
- assembly
- boom
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- 230000005641 tunneling Effects 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
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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)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of tunneling devices, and provides an axial feeding tunneling device and a tunneling machine, which comprise: the cantilever assembly comprises a cantilever, a central shaft and a shaft barrel, the cantilever is arranged at one end of the central shaft, the shaft barrel is sleeved on the periphery of the central shaft and is fixedly arranged, and the central shaft can rotate and slide relative to the shaft barrel; the feeding assembly is used for driving the central shaft to axially move along the shaft barrel; and the rotating assembly is used for driving the central shaft to rotate relative to the shaft cylinder. The axial feeding tunneling device is characterized in that the shaft barrel is arranged on the periphery of the central shaft, so that the central shaft is prevented from inclining due to the overweight of the cantilever; the feeding assembly is arranged to drive the central shaft to move relative to the shaft barrel, so that the adjustment times of the working position of the heading machine are reduced, and the working efficiency is improved; the rotating assembly is arranged to drive the cantilever to rotate, so that the cantilever can rotate around the central shaft, and the working surface of the cantilever is increased.
Description
Technical Field
The invention relates to the technical field of tunneling devices, in particular to an axial feeding tunneling device and a tunneling machine.
Background
The existing tunnel construction mainly comprises 3 excavation methods: the three construction methods of drilling and blasting excavation, single-arm tunneling excavation and shield excavation have advantages and disadvantages, and complement each other to form all working condition ranges covering the current tunnel construction.
At present, a cantilever of a cantilever type tunneling machine is hinged with a rotary supporting platform, the cantilever works in the up-and-down direction through a cantilever oil cylinder and drives the rotary supporting platform through a rotary oil cylinder to realize rotary work, on one hand, the working surface of the cantilever is small, the whole section cannot be constructed, wherein the pitching angle of the cantilever is limited due to the limitation of the stroke of the cantilever oil cylinder, and the rotary oil cylinder only can drive the rotary supporting platform to rotate at a small angle due to the limitation of the connection relation between the rotary supporting platform and the rotary oil cylinder; on the other hand, the working surface of the boom-type excavator is small, the working position of the boom-type excavator needs to be adjusted repeatedly when different positions of the section are machined, time is consumed, the cutting amount of the boom at each working position is small due to the fixed length of the boom, the position needs to be adjusted again after each cutting is finished, and the working efficiency is low.
Disclosure of Invention
In view of the above, the present invention is directed to an axial feeding tunneling device and a tunneling machine, so as to solve the problems of small working surface and low working efficiency of the existing tunneling device.
In order to achieve the above object, an aspect of the present invention provides an axial-feed heading device, including:
the cantilever assembly comprises a cantilever, a central shaft and a shaft barrel, the cantilever is arranged at one end of the central shaft, the shaft barrel is sleeved on the periphery of the central shaft and is fixedly arranged, and the central shaft can rotate and slide relative to the shaft barrel;
the feeding assembly is used for driving the central shaft to axially move along the shaft barrel;
and the rotating assembly is used for driving the central shaft to rotate relative to the shaft cylinder.
Preferably, the feed assembly moves the central shaft by moving axially along the central shaft.
Preferably, the feeding assembly comprises a driving unit, the driving unit comprises a telescopic member, one end of the telescopic member is connected with the shaft barrel, and the other end of the telescopic member is rotatably connected with the central shaft.
Preferably, the feeding assembly comprises a guide rail unit, the guide rail unit comprises a slide rail and a slide block slidably connected with the slide rail, the slide rail and the central shaft are arranged in the same axial direction, and the central shaft is rotatably connected with the slide block.
Preferably, the rotating assembly comprises an expansion piece, one end of the expansion piece is arranged to be capable of sliding along the sliding rail, and the other end of the expansion piece is rotatably connected with the end face of one end of the central shaft.
Preferably, the rotating assembly comprises two telescopic parts, and the two telescopic parts are respectively arranged on two sides of the central shaft.
Preferably, the cantilever assembly comprises a plurality of cantilevers, the plurality of cantilevers being arranged at intervals around the axis of the central shaft.
Preferably, the cantilever includes cantilever hydro-cylinder and cantilever body, the one end of cantilever body with the center pin is articulated, the both ends of cantilever hydro-cylinder respectively with the cantilever body with the center pin is articulated.
Preferably, the cantilever assembly includes the mount table, the mount table with the one end fixed connection of center pin, the cantilever is installed on the mount table, the one end of cantilever body with the mount table is articulated, the both ends of cantilever hydro-cylinder respectively with the cantilever body with the mount table is articulated.
In addition, the invention also provides a heading machine which comprises the axial feeding heading device.
Compared with the prior art, the axial feeding tunneling device has the advantages that the cantilever is arranged at one end of the central shaft, and the shaft barrel is arranged on the periphery of the central shaft, so that the shaft barrel can support the central shaft, and the central shaft is prevented from inclining due to the overweight of the cantilever; the feeding assembly is arranged to drive the central shaft to move relative to the shaft barrel, so that the feeding distance of the cantilever in the tunneling direction is increased, the adjustment times of the working position of the tunneling machine are reduced, and the working efficiency is improved; through setting up the runner assembly and driving the cantilever and rotate, such setting up makes the cantilever rotate around the center pin for the cantilever can be processed the different positions of working face, and then increases the working face of cantilever.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
figure 1 is a front view of an axial feed ripper apparatus according to one embodiment of the present invention;
FIG. 2 is a schematic structural view of a feed assembly according to an embodiment of the present invention;
figure 3 is a right side view of an axial feed ripper apparatus according to one embodiment of the present invention;
figure 4 is a left side view of an axial feed ripper apparatus in accordance with one embodiment of the present invention;
FIG. 5 is a cross-sectional view of a boom assembly of an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cantilever according to an embodiment of the present invention.
Description of reference numerals:
10 boom assembly 11 boom
12 center shaft and 13 shaft cylinder
14 mounting station 20 feed assembly
21 drive unit 22 guide rail unit
111 cantilever oil cylinder of 30 rotating assembly
112 cantilever body 221 slide rail
222 slider
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of directional terms such as "upper" and "lower" generally means upper and lower as shown in the drawings without being described to the contrary. The present invention will be described in detail with reference to the accompanying drawings 1 to 6 in conjunction with embodiments.
According to one aspect of the present invention there is provided an axially fed ripping apparatus, as shown in figures 1 and 5, comprising:
the cantilever assembly 10 comprises a cantilever 11, a central shaft 12 and a shaft barrel 13, wherein the cantilever 11 is installed at one end of the central shaft 12, the shaft barrel 13 is sleeved on the periphery of the central shaft 12 and is arranged to be fixed, the central shaft 12 can rotate and slide relative to the shaft barrel 13, specifically, the central shaft 12 is in clearance fit with the shaft barrel 13, and a lubricant is filled in a clearance between the central shaft 12 and the shaft barrel 13;
the feeding assembly 20 is used for driving the central shaft 12 to axially move along the shaft barrel 13;
the rotating assembly 30 is used for driving the central shaft 12 to rotate relative to the shaft barrel 13.
The axial feeding tunneling device of the invention arranges the cantilever 11 at one end of the central shaft 12, and arranges the shaft cylinder at the periphery of the central shaft 12, so that the shaft cylinder 13 can provide support for the central shaft 12, and the central shaft 12 is prevented from inclining because of the overweight of the cantilever 11; the feeding assembly 20 is arranged to drive the central shaft 12 to move relative to the shaft barrel 13, so that the feeding distance of the cantilever 11 in the tunneling direction is increased, the adjustment times of the working position of the tunneling machine are reduced, and the working efficiency is improved; through setting up rotating assembly 30 and driving cantilever 11 and rotate, such setting up makes cantilever 11 rotate around center pin 12 for cantilever 11 can be processed the different positions of working face, and then increases cantilever 11's working face.
Further, the included angle between the axis of the central shaft 12 and the horizontal plane is between-20 ° and 20 °, preferably, the included angle between the axis of the central shaft 12 and the horizontal plane is between-10 ° and 10 °, more preferably, the included angle between the axis of the central shaft 12 and the horizontal plane is 0 °, and the axis of the central shaft 12 is parallel to the horizontal plane. This arrangement allows the feed direction of the central shaft 12 to coincide with the heading direction when the central shaft 12 is fed.
As shown in fig. 6, the cantilever 11 includes a cutting head and a cantilever body 112, and the cutting head can rotate relative to the cantilever body 112, so that the cutting head drives a cutting pick mounted on the cutting head to rotate, and then the cutting is performed to be processed. Further, a driving motor is installed on the cantilever body 112, the cutting head is installed on an output shaft of the driving motor, and the driving motor drives the cutting head to rotate relative to the cantilever body 112.
In the above, in order to drive the axial feeding of the central shaft 12, the feeding assembly 20 drives the central shaft 12 to move by moving along the axial direction of the central shaft 12. Feed subassembly 20 on the one hand can be through flexible edge the axial motion of center pin 12, and is concrete, feed subassembly 20 can drive for extensible members such as pneumatic cylinder, pneumatic cylinder or electric putter the center pin 12 motion, on the other hand, feed subassembly 20 can be for cutting fork mechanism, through adjusting the contained angle between two mutual articulated members in cutting fork mechanism, drives the center pin 12 motion, in addition, feed subassembly 20 still can be for rack and pinion drive mechanism, rack and pinion drive mechanism include the rack and with rack toothing's gear, the rack is installed on the center pin 12 and with the same axial setting of center pin 12, during gear revolve, through the rack drives center pin 12 rotates.
As shown in fig. 2, the feeding assembly 20 includes a driving unit 21, and the driving unit 21 includes a telescopic member, according to an embodiment of the present invention, one end of the telescopic member is connected to the shaft tube 13, and the other end of the telescopic member is rotatably connected to the central shaft 12, and the telescopic member drives the central shaft 12 to move by telescoping. The two ends of the telescopic part are respectively hinged with the shaft cylinder 13 and the central shaft 12, and one end of the telescopic part is hinged with the central shaft 12 and is also rotatably connected with the central shaft 12 so as not to influence the rotation of the central shaft 12.
According to another embodiment of the present invention, one end of the telescopic member is rotatably connected with the central shaft 12, and the other end is configured to be fixed or capable of rotating around the fixed shaft, when the telescopic direction of the telescopic member is not parallel to the axis of the central shaft 12, one end of the telescopic member is rotatably connected with the central shaft 12, and the other end is configured to be capable of rotating around the fixed shaft; when the telescopic direction of the telescopic member is parallel to the axis of the central shaft 12, one end of the telescopic member is rotatably connected with the central shaft 12, and the other end of the telescopic member is arranged to be capable of rotating around the fixed shaft.
In the above, the telescopic member is a device that can be axially extended and retracted, such as a pneumatic cylinder or a hydraulic cylinder, and preferably, the extending and retracting direction of the telescopic member is parallel to the axis of the central shaft 12, so that friction between the guide rail units 22 can be reduced, and the service life of the guide rail units 22 can be prolonged. Preferably, the telescopic member is a hydraulic cylinder.
Further, in order to prevent the shaft barrel 13 from being excessively stressed when the central shaft 12 moves, the feeding assembly 20 includes a guide rail unit 22, the guide rail unit 22 includes a slide rail 221 and a slider 222 slidably connected to the slide rail 221, the slide rail 221 and the slider 222 may be configured as a slot connection, such as a dovetail groove, a T-shaped slot, or the like, on one hand, and the slide rail 221 and the slider 222 may be configured as a lever slidably connected to a shaft sleeve on the other hand. The slide rail 221 and the central shaft 12 are coaxially disposed and are configured to be fixed, and the central shaft 12 and the slider 222 are rotatably connected. The arrangement enables one end of the central shaft 12 to slide along the slide rail 221 when the central shaft 12 extends and contracts along the shaft barrel 13, and when the central shaft 12 extends forwards, the bending moment of the shaft barrel 13 applied to the central shaft 12 is increased, so as to prevent the shaft barrel 13 from deforming and even being damaged, the slide rail 221 and the slide block 222 provide tension for the central shaft 12, and the stress balance of the two ends of the central shaft 12 is kept.
In order to drive the central shaft 12 to rotate, according to an embodiment of the present invention, as shown in fig. 3, the rotating assembly 30 includes a telescopic member, one end of which is configured to slide along the sliding rail 221, and the other end of which is rotatably connected with an end surface of one end of the central shaft 12. The arrangement is such that when the central shaft 12 moves in the axial direction of the shaft cylinder 13, the rotating assembly 30 can still drive the central shaft 12 to rotate.
In the above, in order to increase the rotation angle of the central shaft 12, a connection line between one end of the two telescopic members far away from the central shaft 12 and a projection of the axis of the central shaft 12 on the end surface of the central shaft 12 forms an isosceles triangle, and a projection of a hinge point of the telescopic members and the central shaft 12 on the end surface of the central shaft 12 is located outside the isosceles triangle and is close to a waist of the isosceles triangle.
In the above, in order to balance the stress of the central shaft 12, the rotating assembly 30 includes two telescopic members, the two telescopic members are respectively disposed on two sides of the central shaft 12, and further, in order to facilitate the control of the telescopic members, the two telescopic members are symmetrically disposed on a plane, and the symmetric plane is a vertical plane where the axis of the central shaft 12 is located. The telescopic part is a device capable of axially extending and retracting, such as a pneumatic cylinder or a hydraulic cylinder, preferably, the telescopic part is a hydraulic cylinder.
According to another embodiment of the invention, the rotating mechanism comprises a motor and a transmission mechanism, the transmission mechanism comprises a gear and a gear ring which are meshed with each other, the gear is connected with an output shaft of the motor, the gear ring is installed on the periphery of the central shaft 12 and is arranged coaxially with the central shaft 12, and the motor comprises an electric motor, a hydraulic motor or an internal combustion engine. The motor drives the central shaft 12 to rotate by driving the gear and the gear ring to rotate.
In order to improve the working efficiency of the boom 11 type ripper, as shown in fig. 4, the boom assembly 10 includes a plurality of booms 11, and the plurality of booms 11 are arranged around the axis of the central shaft 12 at intervals. Furthermore, a plurality of cantilevers 11 are arranged in a rotational symmetry manner, so that the arrangement is favorable for balancing the moment on two sides of the central shaft 12 and reducing the abrasion of the central shaft 12, and further the service life of the central shaft 12 is prolonged.
In the above, in order to balance the moment among the plurality of cantilevers 11, the number of cantilevers 11 is even, such as 2, 4, 6 or 8, and preferably, the number of cantilevers 11 is 4. This arrangement allows the moment on both sides of the central shaft 12 to remain the same during rotation of the central shaft 12, thereby avoiding tipping of the boom 11 ripper.
In order to further increase the working surface of the boom 11 type heading device, as shown in fig. 4, the boom 11 includes a boom cylinder 111 and a boom body 112, one end of the boom body 112 is hinged to the central shaft 12, and two ends of the boom cylinder 111 are hinged to the boom body 112 and the central shaft 12, respectively. Preferably, the projection of the boom cylinder 111 on the end surface of the central shaft 12 coincides with the radial direction of the central shaft 12, and the arrangement is such that the boom cylinder 111 can drive the boom body 112 to swing to the maximum extent, thereby further increasing the working surface of the boom 11 type heading device.
In order to facilitate the installation of the plurality of cantilevers 11, as shown in fig. 6, the cantilever assembly 10 includes an installation platform 14, the installation platform 14 is fixedly connected to one end of the central shaft 12, the cantilevers 11 are installed on the installation platform 14, one end of the cantilever body 112 is hinged to the installation platform 14, and two ends of the cantilever cylinder 111 are hinged to the cantilever body 112 and the installation platform 14, respectively. In the above, the mounting table 14 may be detachably connected to the central shaft 12, or may be integrally formed with the central shaft 12.
In addition, the invention also provides a heading machine which comprises the axial feeding heading device. The heading machine includes a mounting base parallel to which the axis of the central shaft 12 is arranged, such arrangement facilitating the feeding of the central shaft 12.
To illustrate the operation of the ripper apparatus of the present application in accordance with the illustrated embodiment, when using the axial feed ripper apparatus of the present invention, firstly, the axial feeding tunneling device is moved to a designated position, the driving motor drives the cutting head to rotate, the telescopic piece in the feeding assembly 20 drives the central shaft 12 to slide along the shaft barrel 13 through extension or contraction, thereby driving the central shaft 12 to axially feed until the cutting head cuts the surface to be processed, the cantilever cylinder 111 drives the cantilever body 112 to swing by extension or contraction, thereby driving the cutting head to move along the radial direction of the central shaft 12, the telescopic member in the rotating assembly 30 drives the central shaft 12 to rotate through extension or contraction, thereby driving the cutting head to swing along the axial direction of the central shaft 12, changing the processing position until the cutting head finishes processing the whole working surface, and the feeding component 20 drives the central shaft 12 to feed axially again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An axial feed heading device, comprising:
the cantilever assembly (10) comprises a cantilever (11), a central shaft (12) and a shaft barrel (13), wherein the cantilever (11) is installed at one end of the central shaft (12), the shaft barrel (13) is sleeved on the periphery of the central shaft (12) and is fixedly arranged, and the central shaft (12) can rotate and slide relative to the shaft barrel (13);
the feeding assembly (20) is used for driving the central shaft (12) to axially move along the shaft barrel (13);
the rotating assembly (30) is used for driving the central shaft (12) to rotate relative to the shaft barrel (13).
2. An axial feed ripper apparatus as claimed in claim 1, wherein the feed assembly (20) moves the central shaft (12) by moving axially along the central shaft (12).
3. An axial feed tunnelling device as claimed in claim 2, in which the feed assembly (20) includes a drive unit (21), the drive unit (21) including a telescopic member, one end of which is connected to the shaft (13) and the other end of which is rotatably connected to the central shaft (12).
4. The axial feed tunneling device according to claim 2, characterized in that the feeding assembly (20) comprises a guide rail unit (22), the guide rail unit (22) comprises a slide rail (221) and a slider (222) slidably connected to the slide rail (221), the slide rail (221) is arranged coaxially with the central shaft (12), and the central shaft (12) is rotatably connected to the slider (222).
5. An axial feed tunnelling device as claimed in claim 4, wherein said rotating assembly (30) comprises a telescopic member, one end of which is arranged to be slidable along said slide (221) and the other end of which is rotatably connected to an end face of one end of said central shaft (12).
6. An axial feed ripper apparatus as claimed in claim 5, characterised in that the rotation assembly (30) includes two said telescoping members, one on each side of the central shaft (12).
7. An axial feed ripper apparatus according to claim 1, characterised in that the boom assembly (10) includes a plurality of booms (11), the plurality of booms (11) being arranged at intervals around the axis of the central shaft (12).
8. The axial feed tunneling device according to claim 1, wherein the boom (11) comprises a boom cylinder (111) and a boom body (112), one end of the boom body (112) is hinged to the central shaft (12), and both ends of the boom cylinder (111) are hinged to the boom body (112) and the central shaft (12), respectively.
9. The axial feed tunneling device according to claim 8, wherein the boom assembly (10) comprises a mounting table (14), the mounting table (14) is fixedly connected with one end of the central shaft (12), the boom (11) is mounted on the mounting table (14), one end of the boom body (112) is hinged with the mounting table (14), and two ends of the boom cylinder (111) are hinged with the boom body (112) and the mounting table (14), respectively.
10. A heading machine, characterized in that it comprises an axially fed heading device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366955.8A CN111058856A (en) | 2019-12-26 | 2019-12-26 | Axial feeding tunneling device and tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366955.8A CN111058856A (en) | 2019-12-26 | 2019-12-26 | Axial feeding tunneling device and tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111058856A true CN111058856A (en) | 2020-04-24 |
Family
ID=70303893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911366955.8A Pending CN111058856A (en) | 2019-12-26 | 2019-12-26 | Axial feeding tunneling device and tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111058856A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065418A (en) * | 2020-09-27 | 2020-12-11 | 中铁工程装备集团有限公司 | Control method for excavation path of cantilever excavator |
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| CN103119245A (en) * | 2010-08-03 | 2013-05-22 | 乔伊·姆·特拉华公司 | Underground boring machine |
| CN103615244A (en) * | 2013-11-26 | 2014-03-05 | 河南理工大学 | Cantilever excavator capable of controlling posture of cutting head |
| CN105822225A (en) * | 2016-05-07 | 2016-08-03 | 江西蓝翔重工有限公司 | One-arm two-drill rock drilling boom structure |
| CN108825256A (en) * | 2018-08-16 | 2018-11-16 | 中铁工程装备集团有限公司 | A kind of multi-arm type cantilever excavator and its construction method |
| CN108952743A (en) * | 2018-08-16 | 2018-12-07 | 中铁工程装备集团有限公司 | A kind of cantilever excavator and its construction method for carrying outstanding cutter broken rock |
| CN209780901U (en) * | 2019-03-04 | 2019-12-13 | 合肥成基铁路工程科技有限公司 | Hard rock tunneling robot |
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2019
- 2019-12-26 CN CN201911366955.8A patent/CN111058856A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU740955A1 (en) * | 1978-04-03 | 1980-06-15 | Всесоюзный научно-исследовательский институт транспортного строительства | Power-operated entry-driving shield for mixed rock |
| CN103119245A (en) * | 2010-08-03 | 2013-05-22 | 乔伊·姆·特拉华公司 | Underground boring machine |
| CN103615244A (en) * | 2013-11-26 | 2014-03-05 | 河南理工大学 | Cantilever excavator capable of controlling posture of cutting head |
| CN105822225A (en) * | 2016-05-07 | 2016-08-03 | 江西蓝翔重工有限公司 | One-arm two-drill rock drilling boom structure |
| CN108825256A (en) * | 2018-08-16 | 2018-11-16 | 中铁工程装备集团有限公司 | A kind of multi-arm type cantilever excavator and its construction method |
| CN108952743A (en) * | 2018-08-16 | 2018-12-07 | 中铁工程装备集团有限公司 | A kind of cantilever excavator and its construction method for carrying outstanding cutter broken rock |
| CN209780901U (en) * | 2019-03-04 | 2019-12-13 | 合肥成基铁路工程科技有限公司 | Hard rock tunneling robot |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065418A (en) * | 2020-09-27 | 2020-12-11 | 中铁工程装备集团有限公司 | Control method for excavation path of cantilever excavator |
| CN112065418B (en) * | 2020-09-27 | 2021-12-14 | 中铁工程装备集团有限公司 | Control method for excavation path of cantilever excavator |
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Application publication date: 20200424 |