CN110847924A - Shield machine for tunneling - Google Patents
Shield machine for tunneling Download PDFInfo
- Publication number
- CN110847924A CN110847924A CN201911160740.0A CN201911160740A CN110847924A CN 110847924 A CN110847924 A CN 110847924A CN 201911160740 A CN201911160740 A CN 201911160740A CN 110847924 A CN110847924 A CN 110847924A
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- tunneling
- fixedly connected
- shield
- machine
- hydraulic
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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
- E21D9/06—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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0621—Shield advancing devices
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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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of shield tunneling machines, and discloses a shield tunneling machine for tunneling, which comprises a shield tunneling machine body, wherein a cutter disc is arranged on the left side of the shield tunneling machine body, a hob is arranged in the middle of the cutter disc, a connecting circular rail is fixedly connected to the outer side of the cutter disc, a tunneling steel sleeve is movably connected to the other side of the connecting circular rail, a tunneling inclined ring is fixedly connected to the left end of the tunneling steel sleeve, and a jack hydraulic pump is fixedly connected to the right side of the cutter disc. According to the invention, through the rotating machine, the tunneling steel sleeve and the connecting circular rail, the front end of the tunneling steel sleeve outside the cutterhead can be driven to open a circuit by rotating the cutterhead while tunneling, so that the uneven pressure applied to the cutterhead in the tunneling process is effectively reduced, the hob is ensured to stably and efficiently rotate, the disc surface is prevented from being disturbed, the accuracy of the tunneling direction is ensured, the abrasion degree of the hob is reduced, the service life of the device is prolonged, and the accuracy and the reliability of the device are improved.
Description
Technical Field
The invention relates to the technical field of shield tunneling machines, in particular to a shield tunneling machine for tunneling.
Background
The shield tunneling machine is a special engineering machine for tunneling, integrates light, mechanical, electrical, hydraulic, sensing and information technologies, has the functions of excavating and cutting soil, conveying soil slag, assembling tunnel lining, measuring, guiding, correcting deviation and the like, relates to multiple subject technologies such as geology, construction, machinery, mechanics, hydraulic pressure, electricity, control, measurement and the like, is designed and manufactured in a 'body-measuring clothes-cutting' mode according to different geology, and has extremely high reliability requirement.
The main driving system of the existing shield machine is a main power source for the rotation of a cutter head and is also a main core system of the shield machine, when the shield machine drives the cutter head to output a rotary driving force and a torque to the cutter head mainly by a rotary supporting bearing to drive the cutter head to carry out rotary tunneling, but the front part of the cutter head can be stressed unevenly to a certain degree in the tunneling process, so that the cutter head surface can be disturbed, the accuracy of the tunneling direction is further influenced, meanwhile, the abrasion caused by the irregular rotation of a hob can be accelerated, the service life of the hob is reduced, in addition, the rotary hob on the cutter head is only pushed by a jack to excavate in the tunneling process, the hob is difficult to break hard soil under the condition that the soil is slightly hard, the tunneling efficiency of the shield machine is further influenced, the construction period is prolonged, on the other hand, the shield machine generally translates through a trailer vehicle in the advancing process, but the tunnel section needs, however, the manpower cost and the time cost required in the tunneling process are undoubtedly increased, the existing support is influenced, the stability and the strength of the tunnel support are reduced, the safety is poor, and the tunneling is not facilitated, so that the shield machine for tunneling is provided.
Disclosure of Invention
The invention provides a shield machine for tunnel excavation, which has the advantages of high excavation accuracy, high excavation efficiency and high safety, and solves the problems in the background technology.
The invention provides the following technical scheme: a shield tunneling machine for tunneling comprises a shield tunneling machine body, wherein a cutter disc is arranged on the left side of the shield tunneling machine body, a hob is arranged in the middle of the cutter disc, a round rail is fixedly connected to the outer side of the cutter disc, a tunneling steel sleeve is movably connected to the other side of the round rail, a tunneling inclined ring is fixedly connected to the left end of the tunneling steel sleeve, a jack hydraulic pump is fixedly connected to the right side of the cutter disc, a rotary machine is fixedly connected to the middle of the right side of the cutter disc, a rotary shaft is fixedly connected to the left side of the rotary machine, a connecting ring is fixedly connected to the right end of the rotary shaft, the connecting ring is fixedly connected to the inside of the right end of the tunneling steel sleeve, a reinforcing rod is fixedly connected to the left end of the rotary shaft, a reinforcing rod is fixedly connected to the outer side of the tunneling frame, a, the shield constructs the inside fixedly connected with top force ring of quick-witted body, the right side fixedly connected with hydraulic stem of top force ring, the three hydraulic presses of right-hand member fixedly connected with of hydraulic stem, another hydraulic stem of another fixedly connected with respectively of the upper and lower both sides of three hydraulic presses, another the other end fixedly connected with fixed plate of hydraulic stem, the both sides of fixed plate fixedly connected with slide rail respectively, the slide rail is located the inside in rail groove, the rail groove is seted up on the tunnel of rear end.
Preferably, the connecting circular rail is sleeved on the outer side of the cutter head, and a sealing ring is arranged on the left side of the connecting circular rail.
Preferably, the thickness value of the tunneling inclined ring is gradually increased from left to right, and the inner wall of the tunneling inclined ring is flush with the inner wall of the tunneling steel sleeve.
Preferably, the number of the jack hydraulic pumps is several, and the jack hydraulic pumps are uniformly distributed on the left side of the cutter head.
Preferably, the tunneling frame is in a drill bit shape and is movably connected with the cutter head.
Preferably, the number of the reinforcing rods is at least five, and the transverse cutting area of the reinforcing rods is gradually increased from top to bottom.
Preferably, the right side of the jacking ring is a rear-end tunnel, the left side of the jacking ring is a shield machine body, and the shield machine body is connected with the rear-end tunnel.
Preferably, the three-head hydraulic machine is a three-cylinder hydraulic machine, and a conveying belt is arranged around the three-head hydraulic machine.
Preferably, the slide rail department of fixed plate both sides is equipped with the recess, and the track groove can carry out artifical migration along with the position of slide rail.
The invention has the following beneficial effects:
1. according to the invention, through the rotating machine, the tunneling steel sleeve and the connecting circular rail, the front end of the tunneling steel sleeve outside the cutterhead can be driven to open a circuit by rotating the cutterhead while tunneling, so that the uneven pressure applied to the cutterhead in the tunneling process is effectively reduced, the hob is ensured to stably and efficiently rotate, the disc surface is prevented from being disturbed, the accuracy of the tunneling direction is ensured, the abrasion degree of the hob is reduced, the service life of the device is prolonged, and the accuracy and the reliability of the device are improved.
2. According to the invention, through the tunneling frame, the spiral piece and the rotating machine, soil quality of the hob is driven by the rotating machine to be primarily crushed by the tunneling frame and the spiral piece before tunneling, so that the hob is prevented from being directly contacted with hard soil, and the tunneling process is ensured to be stably and efficiently carried out, thereby the tunneling efficiency of the shield tunneling machine is improved, and the stability and the feasibility of the device are improved.
3. According to the invention, through the three-head hydraulic machine, the fixing plates and the sliding rails, when the shield machine needs to move forwards, the three-head hydraulic machine pushes the fixing plates on the upper side and the lower side to fix the three-head hydraulic machine in the tunnel, the shield machine moves forwards by pushing the top force ring on the side surface, then the fixing plates on the upper end and the lower end are released, the hydraulic rods are contracted, and the three-head hydraulic machine moves towards the shield advancing direction in the sliding rails under the state of reaction force, so that the tunnel section is circularly advanced, not only is the tunnel section prevented from being expanded and chiseled, but also the existing support is not influenced, the stable and efficient forward movement of the shield machine is ensured, and the safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a structural ripper frame of the present invention;
FIG. 3 is a schematic diagram of a three-head hydraulic machine of the present invention.
In the figure: 1. a shield tunneling machine body; 2. a cutter head; 3. hobbing cutters; 4. connecting the circular rails; 5. tunneling a steel sleeve; 6. tunneling an inclined ring; 7. a jack hydraulic pump; 8. rotating the machine; 9. a rotating shaft; 10. a connecting ring; 11. a tunneling frame; 12. a reinforcing bar; 13. a spiral sheet; 14. a soil bin; 15. a pipe bin; 16. a jacking ring; 17. a hydraulic lever; 18. a three-head hydraulic press; 19. a fixing plate; 20. a slide rail; 21. a rail groove; 22. a back-end tunnel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a tunnel boring shield machine comprises a shield machine body 1, a cutter head 2 is arranged on the left side of the shield machine body 1, a hob 3 is arranged in the middle of the cutter head 2, a connecting circular rail 4 is fixedly connected to the outer side of the cutter head 2, the connecting circular rail 4 is sleeved on the outer side of the cutter head 2, a sealing ring is arranged on the left side of the connecting circular rail 4, the sealing ring is arranged on the outer side of the cutter head 2 and the left side of the connecting circular rail 4 through the connecting circular rail 4, so that a rotating machine 8 can drive a boring steel sleeve 5 to open a circuit at the front end of the outer side of the cutter head 2 while the cutter head 2 is boring, meanwhile, soil layers are prevented from entering the inside of the connecting circular rail 4 to influence the normal rotation of the boring steel sleeve 5, the uneven pressure on the cutter head 2 in the process of boring is effectively reduced, the hob 3 is ensured to rotate stably and efficiently, the abrasion degree of the hob 3 is reduced, so that the service life of the device is prolonged, the accuracy and the reliability of the device are improved, the other side of the connecting circular rail 4 is movably connected with a tunneling steel sleeve 5, the left end of the tunneling steel sleeve 5 is fixedly connected with a tunneling inclined ring 6, the thickness value of the tunneling inclined ring 6 is gradually increased from left to right, the inner wall of the tunneling inclined ring 6 and the inner wall of the tunneling steel sleeve 5 are kept flush, the torsional pressure borne by the tunneling steel sleeve 5 during tunneling is reduced through the gradual increase of the thickness value of the tunneling inclined ring 6 from left to right and the flush of the inner wall of the tunneling inclined ring 6 and the inner wall of the tunneling steel sleeve 5, the stable running forward of the tunneling steel sleeve 5 is ensured, meanwhile, the uneven pressure borne by the tunneling steel sleeve 5 during the tunneling process is effectively reduced, the stable and efficient rotation of the cutterhead 2 is ensured, and the accuracy of the direction is further ensured, the abrasion degree of the hob 3 is reduced, the service life of the device is prolonged, the accuracy and the feasibility of the device are improved, the right side of the cutter head 2 is fixedly connected with a plurality of jack hydraulic pumps 7, the jack hydraulic pumps 7 are uniformly distributed on the left side of the cutter head 2, the jack hydraulic pumps 7 and the jack hydraulic pumps 7 are uniformly distributed on the left side of the cutter head 2 through the number of the jack hydraulic pumps 7, the jack hydraulic pumps 7 can be jacked into the cutter head 2 for tunneling, in addition, the connecting ring 10 is in a hollow disc shape, the rotation of the tunneling steel sleeve 5 is not influenced, further, the soil quality of the hob 3 is subjected to primary crushing of the tunneling frame 11 and the spiral blades 13 driven by the rotating machine 8 before tunneling, the hob 3 is prevented from being directly contacted with hard soil, the stable and efficient tunneling process is ensured, the tunneling efficiency of the shield machine is improved, and the stability and the feasibility of the device are, the middle part of the right side of the cutter head 2 is fixedly connected with a rotating machine 8, the left side of the rotating machine 8 is fixedly connected with a rotating shaft 9, the right end of the rotating shaft 9 is fixedly connected with a connecting ring 10, the connecting ring 10 is fixedly connected inside the right end of the tunneling steel sleeve 5, the left end of the rotating shaft 9 is fixedly connected with a tunneling frame 11, the tunneling frame 11 is in a drill bit shape, the tunneling frame 11 is movably connected with the cutter head 2, the tunneling frame 11 and the spiral blades 13 can preliminarily crush hard soil layers, the hob 3 is prevented from being directly contacted with the hard soil, the abrasion rate of the hob 3 is reduced, the stable and efficient tunneling process is ensured, the tunneling efficiency of the shield tunneling machine is improved, the stability and the feasibility of the device are improved, reinforcing rods 12 are fixedly connected to the outer side of the tunneling frame 11, and the number of the reinforcing rods 12 is at, the transverse cutting area of the reinforcing rods 12 is gradually increased from top to bottom, at least five reinforcing rods 12 and the transverse cutting area of the reinforcing rods 12 are gradually increased from top to bottom, so that the mechanical strength of the tunneling frame 11 and the spiral sheets 13 is obviously enhanced, excessive abrasion of the tunneling frame 11 and the spiral sheets 13 in the tunneling process is avoided from being deformed, the stable and efficient tunneling process is ensured, the service life of the device is greatly prolonged, the tunneling efficiency of the shield tunneling machine is improved, the stability and the feasibility of the device are improved, the spiral sheets 13 are fixedly connected to the outer sides of the reinforcing rods 12, the soil bin 14 is arranged on the right side of the rotating machine 8, the pipe bin 15 is arranged on the right side of the soil bin 14, the jacking ring 16 is fixedly connected to the inside of the shield tunneling machine body 1, the rear end tunnel 22 is arranged on the right side of the jacking ring 16, the shield tunneling machine body 1 is arranged on the left side of the jacking ring 16, and the shield tunneling machine body 1 is connected, the right side of the jacking ring 16 is provided with a rear end tunnel 22, the left side of the jacking ring 16 is provided with a shield machine body 1, the shield machine body 1 is connected with the rear end tunnel 22, when the shield machine needs to move forwards, the three-head hydraulic machine 18 pushes the fixing plates 19 on the upper side and the lower side to fix the three-head hydraulic machine in the tunnel, the jacking ring 16 on the side surface is pushed to move the shield machine forwards, then the fixing plates 19 on the upper end and the lower end are loosened, the hydraulic rod 17 is contracted, the three-head hydraulic machine 18 moves towards the shield advancing direction in the sliding rail 20 under the state of reaction force, so that the circular advancing is realized, the tunnel section is prevented from being expanded and chiseled, the influence on the existing support is avoided, the stable advancing of the shield machine is ensured, the rationality and the reliability of the device are improved, the hydraulic rod 17 is fixedly connected to the right side of the jacking ring 16, the three-head, the three-head hydraulic machine 18 is a three-cylinder hydraulic machine, the conveying belts are arranged around the three-head hydraulic machine 18, the three-head hydraulic machine 18 is a three-cylinder hydraulic machine and the conveying belts are arranged around the three-head hydraulic machine 18, so that the three-head hydraulic machine 18 does not influence the conveying of soil on the conveying belts when not in work, when the three-head hydraulic machine needs to move forwards, the three-head hydraulic machine 18 pushes the fixing plates 19 on the upper side and the lower side to be fixed in the tunnel, the shield machine moves forwards by pushing the jacking ring 16 on the side surface, then the fixing plates 19 on the upper end and the lower end are released, the hydraulic rod 17 is contracted, the three-head hydraulic machine 18 moves towards the shield advancing direction in the sliding rail 20 under the state of reaction force, and the circular advancing is realized, not only is the tunnel section prevented from being expanded and chiseled, but also the influence on the existing support cannot be caused, the upper side and the lower side of the three-head hydraulic machine 18 are respectively fixedly connected with another hydraulic rod 17, the other end of the other hydraulic rod 17 is fixedly connected with a fixed plate 19, the sliding rails 20 on the two sides of the fixed plate 19 are provided with grooves, and the rail grooves 21 can be manually moved along with the positions of the sliding rails 20, and the grooves and the rail grooves 21 arranged on the sliding rails 20 on the two sides of the fixed plate 19 can be manually moved along with the positions of the sliding rails 20, so that the fixed plate 19 can not damage the sliding rails 20 and the rail grooves 21 when being strongly extruded by the hydraulic rods 17, the normal service life of the sliding rails 20 and the rail grooves 21 is ensured, the three-head hydraulic machine 18 can move towards the shield advancing direction in the sliding rails 20 under the state of reaction force, and therefore, the tunnel section is prevented from being expanded and chiseled, the existing support is not influenced, the stable and efficient forward movement of the shield machine is ensured, and the, the two sides of the fixing plate 19 are fixedly connected with slide rails 20 respectively, the slide rails 20 are located inside rail grooves 21, and the rail grooves 21 are formed in a rear tunnel 22.
The working principle is as follows: when in use, firstly, the middle rotating machine 8 and the outer rotating machine 8 (not shown) respectively drive the reinforcing rod 12 and the tunneling steel sleeve 5 to rotate, then the hydraulic jack pump 7 pushes the cutter head 2 to move forwards, so that the hob 3 collects and conveys soil, then the hydraulic rods 17 at the upper end and the lower end of the three-head hydraulic machine 18 push the fixed plate 19, so that the three-head hydraulic machine 18 is fixed in the rear end tunnel 22, then the left side hydraulic rod 17 is controlled by the three-head hydraulic machine 18 to push the jacking ring 16, so that the shield machine body 1 moves leftwards, then the tunneling operation is repeated, then the three-head hydraulic machine 18 releases the fixed plate 19, after the hydraulic rods 17 are contracted under the action of a reaction force, the three-head hydraulic machine 18 can move towards the tunneling direction in the rail groove 21, the mass of the three-head hydraulic machine 18 is far smaller than that in the shield machine body 1, so as to push the shield machine body, and circulating in such a way.
It is noted that, herein, 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, the terms "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. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a shield constructs machine for tunnel boring, includes shield constructs quick-witted body (1), its characterized in that: the shield machine is characterized in that a cutter head (2) is arranged on the left side of a shield machine body (1), a hob (3) is arranged in the middle of the cutter head (2), a round rail (4) is connected to the outer side of the cutter head (2), a tunneling steel sleeve (5) is movably connected to the other side of the round rail (4), a tunneling inclined ring (6) is fixedly connected to the left end of the tunneling steel sleeve (5), a jack hydraulic pump (7) is fixedly connected to the right side of the cutter head (2), a rotating machine (8) is fixedly connected to the middle of the right side of the cutter head (2), a rotating shaft (9) is fixedly connected to the left side of the rotating machine (8), a connecting ring (10) is fixedly connected to the right end of the rotating shaft (9), the connecting ring (10) is fixedly connected to the inside of the right end of the tunneling steel sleeve (5), a tunneling frame (11) is fixedly connected to the left end of, the outer side fixedly connected with flight (13) of stiffener (12), the right side of change machine (8) is equipped with soil storehouse (14), the right side of soil storehouse (14) is equipped with tube house (15), the inside fixedly connected with top force ring (16) of shield structure machine body (1), the right side fixedly connected with hydraulic stem (17) of top force ring (16), the right-hand member fixedly connected with three hydraulic press (18) of hydraulic stem (17), another of upper and lower both sides difference fixedly connected with of three hydraulic press (18), another the other end fixedly connected with fixed plate (19) of hydraulic stem (17), the both sides difference fixedly connected with slide rail (20) of fixed plate (19), slide rail (20) are located the inside of rail groove (21), rail groove (21) are seted up on rear end tunnel (22).
2. The shield tunneling machine according to claim 1, characterized in that: the connecting circular rail (4) is sleeved on the outer side of the cutter head (2), and a sealing ring is arranged on the left side of the connecting circular rail (4).
3. The shield tunneling machine according to claim 1, characterized in that: the thickness value of the tunneling inclined ring (6) is gradually increased from left to right, and the inner wall of the tunneling inclined ring (6) is kept flush with the inner wall of the tunneling steel sleeve (5).
4. The shield tunneling machine according to claim 1, characterized in that: the number of the jack hydraulic pumps (7) is a plurality, and the jack hydraulic pumps (7) are uniformly distributed on the left side of the cutter head (2).
5. The shield tunneling machine according to claim 1, characterized in that: the tunneling frame (11) is in a drill bit shape, and the tunneling frame (11) is movably connected with the cutter head (2).
6. The shield tunneling machine according to claim 1, characterized in that: the number of the reinforcing rods (12) is at least five, and the transverse cutting area of the reinforcing rods (12) is gradually increased from top to bottom.
7. The shield tunneling machine according to claim 1, characterized in that: the right side of the jacking ring (16) is a rear end tunnel (22), the left side of the jacking ring (16) is a shield machine body (1), and the shield machine body (1) is connected with the rear end tunnel (22).
8. The shield tunneling machine according to claim 1, characterized in that: the three-head hydraulic machine (18) is a three-cylinder hydraulic machine, and a conveying belt is arranged around the three-head hydraulic machine (18).
9. The shield tunneling machine according to claim 1, characterized in that: the sliding rails (20) on two sides of the fixing plate (19) are provided with grooves, and the rail grooves (21) can be manually moved along with the positions of the sliding rails (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160740.0A CN110847924A (en) | 2019-11-23 | 2019-11-23 | Shield machine for tunneling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160740.0A CN110847924A (en) | 2019-11-23 | 2019-11-23 | Shield machine for tunneling |
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| Publication Number | Publication Date |
|---|---|
| CN110847924A true CN110847924A (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911160740.0A Pending CN110847924A (en) | 2019-11-23 | 2019-11-23 | Shield machine for tunneling |
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| CN (1) | CN110847924A (en) |
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| JP2000291377A (en) * | 1999-04-02 | 2000-10-17 | Komatsu Ltd | Tunnel boring machine |
| CN102337899A (en) * | 2011-08-30 | 2012-02-01 | 中国铁建重工集团有限公司 | Direction-adjusting device for open-type full-section hard rock tunneling machine |
| CN202194662U (en) * | 2011-08-30 | 2012-04-18 | 中国铁建重工集团有限公司 | Direction adjusting device for open-type full-section hard rock tunneling machine |
| CN104131819A (en) * | 2014-08-14 | 2014-11-05 | 扬州斯普森机械制造有限公司 | Self-propelling earth pressure balance pipe-jacking heading machine |
| CN205445615U (en) * | 2016-03-28 | 2016-08-10 | 秦汉新城永顺掘进设备开发工程有限责任公司 | A extrusion formula of exempting from to slag tap tunnelling mechanism for loess stratum |
| CN206144566U (en) * | 2016-11-16 | 2017-05-03 | 中铁四局集团有限公司 | Device is advanced on automatic top of big pipe diameter steel pipe with direction is advanced on top |
| CN109538222A (en) * | 2018-12-13 | 2019-03-29 | 卢玥呈 | Shield machine tunnels stabilising arrangement |
| CN109826637A (en) * | 2019-04-02 | 2019-05-31 | 中铁工程装备集团有限公司 | A kind of double structure TBM and its construction method |
| CN110056366A (en) * | 2019-05-17 | 2019-07-26 | 中铁工程装备集团有限公司 | A kind of open type TBM auxiliary support shoe apparatus |
| CN110159283A (en) * | 2019-06-28 | 2019-08-23 | 重庆市能源投资集团科技有限责任公司 | A kind of support shoe system of coal mine light section shield excavation machine |
| CN209483350U (en) * | 2018-12-13 | 2019-10-11 | 卢玥呈 | Shield machine tunnels stabilising arrangement |
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2019
- 2019-11-23 CN CN201911160740.0A patent/CN110847924A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291377A (en) * | 1999-04-02 | 2000-10-17 | Komatsu Ltd | Tunnel boring machine |
| CN102337899A (en) * | 2011-08-30 | 2012-02-01 | 中国铁建重工集团有限公司 | Direction-adjusting device for open-type full-section hard rock tunneling machine |
| CN202194662U (en) * | 2011-08-30 | 2012-04-18 | 中国铁建重工集团有限公司 | Direction adjusting device for open-type full-section hard rock tunneling machine |
| CN104131819A (en) * | 2014-08-14 | 2014-11-05 | 扬州斯普森机械制造有限公司 | Self-propelling earth pressure balance pipe-jacking heading machine |
| CN205445615U (en) * | 2016-03-28 | 2016-08-10 | 秦汉新城永顺掘进设备开发工程有限责任公司 | A extrusion formula of exempting from to slag tap tunnelling mechanism for loess stratum |
| CN206144566U (en) * | 2016-11-16 | 2017-05-03 | 中铁四局集团有限公司 | Device is advanced on automatic top of big pipe diameter steel pipe with direction is advanced on top |
| CN109538222A (en) * | 2018-12-13 | 2019-03-29 | 卢玥呈 | Shield machine tunnels stabilising arrangement |
| CN209483350U (en) * | 2018-12-13 | 2019-10-11 | 卢玥呈 | Shield machine tunnels stabilising arrangement |
| CN109826637A (en) * | 2019-04-02 | 2019-05-31 | 中铁工程装备集团有限公司 | A kind of double structure TBM and its construction method |
| CN110056366A (en) * | 2019-05-17 | 2019-07-26 | 中铁工程装备集团有限公司 | A kind of open type TBM auxiliary support shoe apparatus |
| CN110159283A (en) * | 2019-06-28 | 2019-08-23 | 重庆市能源投资集团科技有限责任公司 | A kind of support shoe system of coal mine light section shield excavation machine |
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Application publication date: 20200228 |