CN114165250B - Arch section cutting system for coal mine - Google Patents
Arch section cutting system for coal mine Download PDFInfo
- Publication number
- CN114165250B CN114165250B CN202111343365.0A CN202111343365A CN114165250B CN 114165250 B CN114165250 B CN 114165250B CN 202111343365 A CN202111343365 A CN 202111343365A CN 114165250 B CN114165250 B CN 114165250B
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- cutting
- section
- cutting device
- longitudinal axis
- trimming
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- 238000005520 cutting process Methods 0.000 title claims abstract description 174
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000009966 trimming Methods 0.000 claims abstract description 40
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 44
- 230000009471 action Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 abstract description 9
- 230000008439 repair process Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/03—Driving non-circular tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Abstract
The invention belongs to the technical field of coal mine tunneling equipment, and particularly relates to a coal mine arch section cutting system. The automatic round-section trimming device is arranged behind the automatic round-section trimming device, the distance between the automatic round-section trimming device and the automatic round-section trimming device is automatically controlled by a distance control system, the automatic round-section trimming device repairs a roadway with a round section into an arch-shaped section roadway, the automatic round-section trimming device is integrated with the anchor protection system, and the automatic round-section trimming device is responsible for finishing the supporting procedure of the roadway; the rear of the following trimming cutting device is provided with a rear matched power system and a discharging system, and the rear matched power system provides electric power and hydraulic power for the self-walking round section cutting device, the following trimming cutting device, the anchor protection system and the discharging system.
Description
Technical Field
The invention belongs to the technical field of coal mine tunneling equipment, and particularly relates to a coal mine arch section cutting system.
Background
Along with the development of integration and integration of underground comprehensive excavating equipment of coal mines, full-face heading machines are increasingly applied. However, the section of the forming roadway of the full-face tunneling system is circular at present, the section of the roadway required by the underground coal mine is arched, and the roadway constructed by the full-face tunneling system is backfilled into the arch shape to meet the use requirement of the coal mine, so that the engineering period is increased, and the economical efficiency is reduced.
Disclosure of Invention
The invention provides a coal mine arch section cutting system, which aims to solve the problem that the roadway constructed by a full section tunneling system can meet the use requirement of a coal mine only by backfilling the roadway into an arch shape.
The invention adopts the following technical scheme: the utility model provides a colliery arch section cutting system, including from walking circle section cutting device, follow-up deburring cutting device, anchor protection system, back supporting driving system and ejection of compact system, circle section cutting device is walked by oneself and is set up in the tunnel of cutting a circular section of forefront, follow-up deburring cutting device arranges behind circle section cutting device walked by oneself, follow-up deburring cutting device and circle section cutting device walk distance between them through distance control system automatic control, follow-up deburring cutting device is with the tunnel repair type arch section tunnel of circular section, follow-up deburring cutting device is last to integrate anchor protection system, be responsible for accomplishing the supporting process of tunnel; the rear of the following trimming cutting device is provided with a rear matched power system and a discharging system, and the rear matched power system provides electric power and hydraulic power for the self-walking round section cutting device, the following trimming cutting device, the anchor protection system and the discharging system.
Further, the self-walking circular section cutting device comprises a circular cutter cutting device, a front shield, a pushing cylinder, a traveling mechanism, a supporting system and a temporary support, wherein the supporting system is arranged on the traveling mechanism, the temporary support is arranged above the supporting system, the front end of the supporting system is hinged and fixed with one ends of a plurality of groups of pushing cylinders, the other ends of the pushing cylinders are fixed with the front shield, and the front side of the front shield is provided with the circular cutter cutting device.
Further, the following trimming cutting device comprises a cutting mechanism arranged at the front end of the walking jumbolter, the cutting mechanism comprises a longitudinal axis type cutting head, a gear box, a rotating mechanism, a sliding frame and a cutting motor, the two ends of the gear box are respectively provided with the longitudinal axis type cutting head, the longitudinal axis type cutting head is connected with a planetary reducer in the gear box, the middle part of the gear box is connected with one side of the rotating mechanism, the other side of the rotating mechanism is fixed on a support frame, the support frame is arranged on a guide rail body of the sliding frame and can slide along the guide rail body, the support frame is hinged with one end of a telescopic oil cylinder, the other end of the telescopic oil cylinder is hinged with the end of the sliding frame, an outer cylinder of the cutting motor is connected with the support frame, and an output shaft of the cutting motor is connected with the gear box through a coupling, so that the cutting motor drives the two longitudinal axis type cutting heads to rotate.
Furthermore, the internal transmission mechanism of the slewing mechanism adopts a gear rack form or a worm and gear form, and the power unit adopts a hydraulic motor or an oil cylinder.
Further, the two longitudinal axis type cutting heads are opposite in rotation direction when working.
Compared with the prior art, the tunneling equipment of the current tunneling working face mainly comprises a cantilever type tunneling machine, a continuous mining machine and an anchor tunneling machine. The cantilever type heading machine adopts a longitudinal axis or transverse axis type cutting head, has strong cutting capability, single cutting head operation and frequent equipment charging adjustment, and has low cutting efficiency; the continuous miner and the anchor digger adopt cutting rollers with the same width as the cutting roadway to cut, the full width is cut once, the cutting efficiency is high, but the continuous miner and the anchor digger are only suitable for coal roadways, and when half coal and rock roadways are cut, the problems of low efficiency, high failure rate and the like exist, and the adaptability is poor. The self-walking round section cutting device and the following trimming cutting device can realize one-step forming of the arch section rock roadway of the coal mine, and have strong rock breaking capacity, high efficiency and wide application prospect.
Drawings
FIG. 1 is a schematic diagram of a coal mine arch section cutting system;
FIG. 2 is a top view of the coal mine arch section cutting system of the present invention;
FIG. 3 is a schematic front view of the self-propelled round section cutting device;
FIG. 4 is a schematic view of a self-propelled circular section cutting device;
FIG. 5 is a top view of the self-propelled circular section cutting device;
FIG. 6 is a view showing the structure of a cutting mechanism in a trailing edge cutting device;
FIG. 7 is an isometric view of a skid in a trailing edge cutting device;
FIG. 8 is a schematic view of a rounded cross-section modified into an arch-shaped cross-section;
in the figure, the device comprises a 1-self-walking circular section cutting device, a 2-following trimming cutting device, a 3-anchor protection system, a 4-rear matched power system, a 5-discharging system, a 6-circular cutter cutting device, a 7-front shield, an 8-pushing cylinder, a 9-walking mechanism and a 10-supporting system.
Detailed Description
As shown in fig. 1-2, the arched section cutting system of the coal mine comprises a self-walking round section cutting device 1, a following type trimming cutting device 2, an anchor protection system 3, a rear matched power system 4 and a discharging system 5, wherein the self-walking round section cutting device 1 is arranged at the forefront end to cut a tunnel with a round section, the following type trimming cutting device 2 is arranged at the rear of the self-walking round section cutting device 1, the following type trimming cutting device 2 and the self-walking round section cutting device 1 automatically control the distance between the two by a distance control system, the following type trimming cutting device 2 is used for trimming the tunnel with the round section into an arched section tunnel, the anchor protection system 3 is integrated on the following type trimming cutting device 2 and is responsible for completing the supporting procedure of the tunnel; the rear supporting power system 4 and the discharging system 5 are arranged behind the following type trimming and cutting device 2, and the rear supporting power system 4 provides electric power and hydraulic power for the self-walking round section cutting device 1, the following type trimming and cutting device 2, the anchor protection system 3 and the discharging system 5.
According to the self-walking round section cutting device 1, a roadway with a round section is cut at the forefront end of a system, a following type trimming cutting device 2 is arranged behind the self-walking round section cutting device 1, the distance between the following type trimming cutting device 2 and the self-walking round section cutting device 1 is automatically controlled through a distance control system, the following type trimming cutting device 2 is used for trimming the roadway with the round section into an arch-shaped section roadway, an anchor protection system 3 is integrated on the following type trimming cutting device 2 and is used for completing a supporting process of the roadway, a rear matched power system 4 is used for providing electric power and hydraulic power for the self-walking round section cutting device 1, the following type trimming cutting device 2, the anchor protection system 3 and a discharging system 5, and the discharging system 5 is used for transferring cut materials.
As shown in fig. 3-5, the self-walking circular section cutting device 1 comprises a circular cutter cutting device 6, a front shield 7, a pushing oil cylinder 8, a walking mechanism 9, a supporting system 10 and a temporary support 11, wherein the supporting system 10 is arranged on the walking mechanism 9, the temporary support 11 is arranged above the supporting system 10, the front end of the supporting system 10 is hinged and fixed with one ends of a plurality of groups of pushing oil cylinders 8, the other ends of the pushing oil cylinders 8 are fixed with the front shield 7, and the front side of the front shield 7 is provided with the circular cutter cutting device 6.
As shown in fig. 6 and 7, the following trimming cutting device 2 comprises a traveling jumbolter, a cutting mechanism is arranged at the front end of the traveling jumbolter, the cutting mechanism comprises a longitudinal axis type cutting head 2.1, a gear box 2.2, a rotary mechanism 2.3, a sliding frame 2.4 and a cutting motor 2.6, longitudinal axis type cutting heads 2.1 are respectively arranged at two ends of the gear box 2.2, the longitudinal axis type cutting head 2.1 is connected with a planetary reducer in the gear box 2.2, the middle part of the gear box 2.2 is connected with one side of the rotary mechanism 2.3, the other side of the rotary mechanism 2.3 is fixed on a support frame 2.7, the support frame 2.7 is arranged on a guide rail body 2.8 of the sliding frame 2.4 and can slide along the guide rail body 2.8, the support frame 2.7 is hinged with one end of a telescopic cylinder 2.5, the other end of the telescopic cylinder 2.5 is hinged with the end of the sliding frame 2.4, the cutting motor 2.6 is connected with the support frame 2.7, and the cutting motor 2.6 is connected with the shaft coupling, and the output shaft of the gear box is connected with the longitudinal axis 2.2.6 through the transmission shaft to realize the rotation of the two cutting heads 2.6.
The internal transmission mechanism of the slewing mechanism 2.3 adopts a gear rack form or a worm and gear form, and the power unit adopts a hydraulic motor or an oil cylinder. The two longitudinal axis cutting heads 2.1 are rotated in opposite directions during operation.
The self-walking circular section cutting device is adopted to form a circular tunnel, the circular tunnel is often required to be modified into an arch tunnel by adopting a backfilling mode after the full-section heading machine is evacuated, the follow-up trimming cutting device 2 immediately follows the self-walking circular section cutting device 1 in order to form an arch section once, the front full-section heading machine is used for cutting a circular section, and the novel cutting mechanism at the rear is used for cutting the circular section into an arch section.
As shown in FIG. 8, the solid line circle represents the cut section of the full face heading machine, the cutting radius is R, the dotted line part at the lower part is an arch section which is cut by a novel cutting mechanism and is followed behind the full face heading machine, wherein the width of the arch section is L, L=2R, the wall height of the arch section is H, the full height of the arch section is H+R, the area A is a left closed figure formed by the circular section and the arch section, and the area S is 1 The method comprises the steps of carrying out a first treatment on the surface of the The area B is a right side seal formed by a circular section and an arch sectionThe area of the closed graph is equal to the area A and is also equal to S 1 The method comprises the steps of carrying out a first treatment on the surface of the The area A and the area B represent the parts to be cut of the novel rear cutting mechanism, the area C is a bottom closed graph formed by a circular section and an arch section, and the area S is the area 2 Representing the part to be filled, when S 2 =2S 1 When the novel rear cutting mechanism is used, the volume of the materials cut off from the left side and the right side of the novel rear cutting mechanism is equal to the volume required to be filled at the bottom of the circular roadway under the premise of cutting a certain distance, namely, the transportation of redundant materials is not required, and the subsequent filling is not required, so that the original circular roadway is changed into an arch roadway.
The specific cutting process comprises the following steps:
s100: the cutting motor 2.6 starts to work, the gear box 2.2 is driven to rotate through the action of the slewing mechanism 2.3, so that the projection circle center of one longitudinal axis type cutting head 2.1 on the circular section is equal to the circle center of the circular section in height, and simultaneously, the left (or right) longitudinal axis type cutting head 2.1 is driven to be clung to the leftmost (or rightmost) of the circular section through the telescopic action of the two telescopic cylinders 2.5;
s200: the cutting motor 2.6 is kept to work, the gear box 2.2 is driven to slowly rotate anticlockwise or clockwise through the action of the rotary mechanism 2.3, simultaneously, the original uppermost longitudinal axis type cutting head 2.1 cuts downwards along with the reciprocating action of the telescopic oil cylinder 2.5, when the longitudinal axis type cutting head 2.1 reaches the bottom plate with an ideal arch section, the longitudinal axis type cutting head 2.1 cuts rightwards (or leftwards) along the bottom plate with the ideal arch section, all materials in the area A (or B) are cut, and meanwhile, the cut materials are thrown to the area C along with the rotation direction of the cutting head;
s300: the cutting motor 2.6 is kept to work, the two telescopic cylinders 2.5 push the support frame 2.7 to move rightwards (or leftwards) along the guide rail body 2.8, and meanwhile, the slewing mechanism 2.3 drives the gear box 2.2 to rotate, so that the projection circle center of the vertical shaft type cutting head 2.1 positioned at the upper end of the roadway is equal to the circle center height of the circular section, and the vertical shaft type cutting head is clung to the rightmost side (or leftmost side) of the circular section;
s400: the cutting motor 2.6 is kept to work, the gear box 2.2 is driven to slowly rotate anticlockwise or clockwise through the action of the rotary mechanism 2.3, simultaneously, the original uppermost longitudinal axis type cutting head 2.1 cuts downwards along with the reciprocating action of the telescopic oil cylinder 2.5, when the longitudinal axis type cutting head 2.1 reaches the bottom plate with an ideal arch section, the longitudinal axis type cutting head 2.1 cuts leftwards (or rightwards) along the bottom plate with the ideal arch section, all materials in the area B (or the area A) are cut, meanwhile, the cut materials are thrown to the area C along with the rotation direction of the cutting head, and after one cutting cycle is completed, the equipment moves forwards for a certain distance;
s500: and (3) repeating the steps 1 to 4 to finish cutting the round section into an arched section.
The novel cutting mechanism and the arch section forming method thereof are adopted, the original circular roadway is cut and modified into the arch roadway, a feasibility scheme is provided for the full-face heading machine to be applied to coal mines, the novel cutting mechanism and the arch section forming method thereof are adopted, so that the full-face heading machine system can excavate into the arch section once, and compared with the traditional mode of firstly excavating into the circular section and then backfilling the roadway, the novel arch section forming method not only improves the roadway forming efficiency, but also reduces the roadway construction cost.
Claims (4)
1. The utility model provides a colliery arch section cutting system which characterized in that: the automatic trimming and cutting device comprises a self-walking circular section cutting device (1), a following type trimming and cutting device (2), an anchor protection system (3), a rear matched power system (4) and a discharging system (5), wherein the self-walking circular section cutting device (1) is arranged at the forefront end of a roadway with a circular section, the following type trimming and cutting device (2) is arranged at the rear of the self-walking circular section cutting device (1), the following type trimming and cutting device (2) and the self-walking circular section cutting device (1) automatically control the distance between the two by a distance control system, the following type trimming and cutting device (2) is used for trimming the roadway with the circular section into an arch-shaped section roadway, and the anchor protection system (3) is integrated on the following type trimming and cutting device (2) and is responsible for completing the supporting procedure of the roadway; a rear matched power system (4) and a discharging system (5) are arranged behind the following type trimming and cutting device (2), and the rear matched power system (4) provides electric power and hydraulic power for the self-walking round section cutting device (1), the following type trimming and cutting device (2), the anchor protection system (3) and the discharging system (5);
the following type trimming cutting device (2) comprises a cutting mechanism arranged at the front end of a walking jumbolter, the cutting mechanism comprises a longitudinal axis type cutting head (2.1), a gear box (2.2), a rotary mechanism (2.3), a sliding frame (2.4) and a cutting motor (2.6), the two ends of the gear box (2.2) are respectively provided with the longitudinal axis type cutting head (2.1), the longitudinal axis type cutting head (2.1) is connected with a planetary reducer in the gear box (2.2), the middle part of the gear box (2.2) is connected with one side of the rotary mechanism (2.3), the other side of the rotary mechanism (2.3) is fixed on a supporting frame (2.7), the supporting frame (2.7) is arranged on a guide rail body (2.8) of the sliding frame (2.4) and can slide along the guide rail body (2.8), the other end of the sliding frame (2.7) is hinged with one end of a telescopic cylinder (2.5), the other end of the telescopic cylinder (2.5) is hinged with the sliding frame (2.4) and is connected with the end part of the motor (2.6) of the sliding frame, and the two ends of the telescopic cylinder (2.5) are connected with the cutting motor (2.6) through the driving shaft (2.6);
the cutting method comprises the following steps:
s100: the cutting motor (2.6) starts to work, the gear box (2.2) is driven to rotate through the action of the rotary mechanism (2.3), so that the projection circle center of one longitudinal axis type cutting head (2.1) on the circular section is equal to the circle center of the circular section in height, and meanwhile, the left or right longitudinal axis type cutting head (2.1) is driven to be clung to the leftmost or rightmost side of the circular section through the telescopic action of the two telescopic cylinders (2.5);
s200: the cutting motor (2.6) is kept to work, the gear box (2.2) is driven to slowly rotate anticlockwise or clockwise through the action of the rotary mechanism (2.3), simultaneously, the original uppermost longitudinal axis type cutting head (2.1) cuts downwards along with the reciprocating action of the telescopic oil cylinder (2.5), when the longitudinal axis type cutting head (2.1) reaches the bottom plate with an ideal arch-shaped section, the longitudinal axis type cutting head (2.1) cuts rightwards or leftwards along the bottom plate with the ideal arch-shaped section, all materials in the area A or the area B are cut, and meanwhile, the cut materials are thrown to the area C along with the rotation direction of the cutting head;
s300: the cutting motor (2.6) is kept to work, the two telescopic cylinders (2.5) push the supporting frame (2.7) to move rightwards or leftwards along the guide rail body (2.8), and meanwhile, the rotary mechanism (2.3) drives the gear box (2.2) to rotate, so that the projection circle center of the vertical shaft type cutting head (2.1) positioned at the upper end of the roadway on the circular section is equal to the height of the circle center of the circular section, and the vertical shaft type cutting head is clung to the rightmost side or leftmost side of the circular section;
s400: the cutting motor (2.6) is kept to work, the gear box (2.2) is driven to slowly rotate anticlockwise or clockwise through the action of the rotary mechanism (2.3), meanwhile, the original uppermost longitudinal axis type cutting head (2.1) cuts downwards along with the reciprocating action of the telescopic oil cylinder (2.5), when the longitudinal axis type cutting head (2.1) reaches the bottom plate with an ideal arch section, the longitudinal axis type cutting head (2.1) cuts leftwards or rightwards along the bottom plate with the ideal arch section, all materials in the area B or the area A are cut, meanwhile, the cut materials are thrown to the area C along with the rotation direction of the cutting head, and after one cutting cycle is finished, the equipment moves forwards for a certain distance;
s500: and S100-S400 are repeated to finish the cutting of the circular section and modify the circular section into an arched section.
2. The coal mine arch profile cutting system of claim 1, wherein: the automatic round section cutting device (1) comprises a round cutterhead cutting device (6), a front shield (7), a pushing oil cylinder (8), a travelling mechanism (9), a supporting system (10) and a temporary support (11), wherein the supporting system (10) is arranged on the travelling mechanism (9), the temporary support (11) is arranged above the supporting system (10), the front end of the supporting system (10) is hinged and fixed with one ends of a plurality of groups of pushing oil cylinders (8), the other ends of the pushing oil cylinders (8) are fixed with the front shield (7), and the round cutterhead cutting device (6) is arranged on the front side of the front shield (7).
3. The coal mine arch profile cutting system of claim 2, wherein: the internal transmission mechanism of the slewing mechanism (2.3) adopts a gear rack form or a worm gear form, and the power unit adopts a hydraulic motor or an oil cylinder.
4. The coal mine arch profile cutting system of claim 2, wherein: the two longitudinal axis cutting heads (2.1) rotate in opposite directions during operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343365.0A CN114165250B (en) | 2021-11-13 | 2021-11-13 | Arch section cutting system for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343365.0A CN114165250B (en) | 2021-11-13 | 2021-11-13 | Arch section cutting system for coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN114165250A CN114165250A (en) | 2022-03-11 |
| CN114165250B true CN114165250B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111343365.0A Active CN114165250B (en) | 2021-11-13 | 2021-11-13 | Arch section cutting system for coal mine |
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| CN (1) | CN114165250B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291385A (en) * | 1999-02-02 | 2000-10-17 | Nakaguro Kensetsu Kk | Excavator |
| JP2001049985A (en) * | 1999-08-10 | 2001-02-20 | Penta Ocean Constr Co Ltd | Shield machine |
| CN102606154A (en) * | 2012-04-06 | 2012-07-25 | 中铁隧道装备制造有限公司 | Coal roadway tunneling machine with double round cutter heads |
| CN102808617A (en) * | 2012-08-28 | 2012-12-05 | 马晓山 | Comprehensive mechanical stone drift digging anchor machine |
| KR20140100877A (en) * | 2013-11-07 | 2014-08-18 | 석정건설(주) | Method for excavating rock tunnel |
| CN109915152A (en) * | 2019-04-16 | 2019-06-21 | 燕山大学 | A kind of collection bores the shield type excavator of expansion support integratedization |
| CN111485900A (en) * | 2019-01-29 | 2020-08-04 | 欧玉金 | Rock tunnel boring machine |
| CN111779480A (en) * | 2020-07-31 | 2020-10-16 | 辽宁工程技术大学 | Short-body tunneling robot and using method thereof |
-
2021
- 2021-11-13 CN CN202111343365.0A patent/CN114165250B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291385A (en) * | 1999-02-02 | 2000-10-17 | Nakaguro Kensetsu Kk | Excavator |
| JP2001049985A (en) * | 1999-08-10 | 2001-02-20 | Penta Ocean Constr Co Ltd | Shield machine |
| CN102606154A (en) * | 2012-04-06 | 2012-07-25 | 中铁隧道装备制造有限公司 | Coal roadway tunneling machine with double round cutter heads |
| CN102808617A (en) * | 2012-08-28 | 2012-12-05 | 马晓山 | Comprehensive mechanical stone drift digging anchor machine |
| KR20140100877A (en) * | 2013-11-07 | 2014-08-18 | 석정건설(주) | Method for excavating rock tunnel |
| CN111485900A (en) * | 2019-01-29 | 2020-08-04 | 欧玉金 | Rock tunnel boring machine |
| CN109915152A (en) * | 2019-04-16 | 2019-06-21 | 燕山大学 | A kind of collection bores the shield type excavator of expansion support integratedization |
| CN111779480A (en) * | 2020-07-31 | 2020-10-16 | 辽宁工程技术大学 | Short-body tunneling robot and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114165250A (en) | 2022-03-11 |
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