CN113719291B - Miniature shield constructs machine - Google Patents
Miniature shield constructs machine Download PDFInfo
- Publication number
- CN113719291B CN113719291B CN202111074222.4A CN202111074222A CN113719291B CN 113719291 B CN113719291 B CN 113719291B CN 202111074222 A CN202111074222 A CN 202111074222A CN 113719291 B CN113719291 B CN 113719291B
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- shield
- trailer
- spherical hinge
- track
- driving oil
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 14
- 230000005641 tunneling Effects 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 2
- 239000002002 slurry Substances 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Landscapes
- 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 provides a miniature shield machine which comprises a host system, wherein the host system comprises a front shield (2), a middle shield (6) and a tail shield (9) which are sequentially arranged from front to back, the front shield (2) is connected with the middle shield (6) through a spherical hinge assembly (12), and the middle shield (6) is also connected with the tail shield (9) through the spherical hinge assembly (12). The miniature shield machine can meet the excavating working condition of small curve turning radius and can also meet the arrangement requirement of each system in the miniature slurry shield machine in a narrow space.
Description
Technical Field
The invention relates to the field of tunnel excavating equipment, in particular to a miniature shield tunneling machine.
Background
At present, the municipal projects of miniature diameter pipelines in Guangzhou, shenzhen, beijing and other cities are gradually constructed by a shield method, and in addition, other projects such as petroleum tunnels, natural gas tunnels, coal transportation channels and the like are also constructed by the shield method. Compared with the conventional open cut method, pipe jacking method and other excavation technologies, the shield method is widely researched and applied gradually due to the advantages of safety, high efficiency, strong adaptability and the like.
At present, domestic shield tunneling machine manufacturers have researches, designs and applications on micro-tunnel tunneling machines, and a plurality of key technologies related to 2 m-level micro-tunnel tunneling machines lack targeted breakthrough and have not formed mature designs. Compared with the conventional shield (the excavation diameter is more than or equal to 4 m), the miniature shield has great difference in integral arrangement of the whole machine due to the extremely narrow space.
Disclosure of Invention
The invention aims to provide a miniature shield machine, which can meet the excavation working condition of a small curve turning radius and can meet the arrangement requirement of each system in the miniature slurry shield machine in a narrow space (namely the shield machine with the excavation diameter less than or equal to 3 m).
The technical scheme adopted for solving the technical problems is as follows:
The miniature shield tunneling machine comprises a host system, wherein the host system comprises a front shield, a middle shield and a tail shield which are sequentially arranged from front to back, the front shield is connected with the middle shield through a spherical hinge assembly, and the middle shield is also connected with the tail shield through the spherical hinge assembly.
The beneficial effects of the invention are as follows: the miniature shield machine breaks through the research of the whole machine integration technology of the miniature tunneling machine in a narrow space, and is suitable for the excavation construction of small-curve turning miniature tunnels.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic front view of a main machine system portion of a micro shield machine according to the present invention.
FIG. 2 is a schematic front view of a rear mating system portion of the micro shield machine of the present invention.
Fig. 3 is an enlarged schematic view of the portion D in fig. 1.
Fig. 4 is a cross-sectional view taken along the direction A-A in fig. 1.
Fig. 5 is a schematic view of the arrangement of eight active cylinders in the direction E in fig. 1.
Fig. 6 is a sectional view taken along the direction B-B in fig. 1.
Fig. 7 is a sectional view taken along the direction C-C in fig. 1.
1. A cutterhead; 2. front shield; 3. a main drive; 4. a driving oil cylinder; 5. a hydraulic system main unit; 6. middle shield; 7. a muddy water circulation pipe; 8. a thrust cylinder; 9. tail shield; 10. segment erector; 11. a front shield anti-torsion block; 12. a spherical hinge assembly; 13. a first trailer; 14. a fluid hydraulic electrical circulation device; 15. a rear trailer; 16. a turnout; 17. grouping trains; 18. a pipeline; 19. a wheel set; 20. grouping the train tracks; 21. a segment crane; 22. an upper cross beam; 23. a column; 24. a bottom platform; 25. a trailer rail; 26. a segment tunnel;
401. A rotating shaft;
1201. VD sealing ring; 1202. a finger-type seal ring; 1203. a spherical hinge inner ring; 1204. an outer ring of the spherical hinge;
2101. A crane beam; 2102. hoist.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
The utility model provides a miniature shield constructs machine, includes host computer system, host computer system contains front shield 2, well shield 6 and the tail shield 9 that set gradually from front to back, and front shield 2 and well shield 6 are connected through ball-type articulated assembly 12, and well shield 6 and tail shield 9 also are connected through ball-type articulated assembly 12, as shown in figure 1.
In order to meet the requirement of small curve turning, the invention provides a sectional type double-active spherical hinged shield body design. Namely, the miniature shield machine divides the shield body into three sections of a front shield, a middle shield and a tail shield, and each two sections are connected by adopting a spherical hinge assembly 12. Compared with the prior art, the double-ball type hinging system can well realize small curvature radius construction, and can meet the requirement of R < 50m curve construction.
In this embodiment, the spherical hinge assembly 12 includes a spherical hinge inner ring 1203 and a spherical hinge outer ring 1204 which are sleeved inside and outside, the outer surface of the spherical hinge inner ring 1203 is a part of a spherical surface, the spherical hinge inner ring 1203 and the spherical hinge outer ring 1204 are connected in a matching manner, a sealing structure is sleeved between the spherical hinge inner ring 1203 and the spherical hinge outer ring 1204, and the sealing structure includes a VD sealing ring 1201 and a finger-shaped sealing ring 1202 which are arranged at intervals from front to back.
Specifically, the sealing structure comprises two VD sealing rings 1201 and one finger sealing ring 1202 which are arranged at intervals from front to back, and the finger sealing ring 1202 is of a detachable structure, namely the finger sealing ring 1202 is detachably connected with the spherical hinge outer ring 1204, so that the requirement of high water pressure working conditions can be met.
In the ball-type hinge assembly 12 (i.e., the ball-type hinge assembly 12 in front) connecting the front shield 2 and the middle shield 6, the rear end of the ball-type hinge inner ring 1203 is fixedly connected with the front end of the middle shield 6, and the front end of the ball-type hinge outer ring 1204 is fixedly connected with the rear end of the front shield 2, as shown in fig. 3.
In the spherical hinge assembly 12 (i.e., the spherical hinge assembly 12 at the rear) for connecting the middle shield 6 and the tail shield 9, the rear end of the spherical hinge inner ring 1203 is fixedly connected with the front end of the tail shield 9, and the front end of the spherical hinge outer ring 1204 is fixedly connected with the rear end of the middle shield 6.
In this embodiment, four driving cylinders 4 are disposed between the front shield 2 and the middle shield 6, the four driving cylinders 4 are uniformly arranged at intervals along the circumferential direction of the front shield 2, the driving cylinders 4 can stretch in the front-rear direction, the front end of each driving cylinder 4 is hinged to the front shield 2 through a rotating shaft 401, the rear end of each driving cylinder 4 is hinged to the middle shield 6 through a rotating shaft 401, and the axis of the rotating shaft 401 is arranged along the diameter direction of the front shield 2. Specifically, the front end of the piston rod of the driving oil cylinder 4 is hinged to the front shield 2 through a rotating shaft 401, and the rear end of the cylinder barrel of the driving oil cylinder 4 is hinged to the middle shield 6 through the rotating shaft 401, as shown in fig. 4.
In this embodiment, four driving cylinders 4 are arranged between the middle shield 6 and the tail shield 9, the four driving cylinders 4 are uniformly distributed at intervals along the circumferential direction of the middle shield 6, the driving cylinders 4 can stretch in the front-back direction, the front ends of the driving cylinders 4 are hinged with the middle shield 6 through rotating shafts 401, the rear ends of the driving cylinders 4 are hinged with the tail shield 9 through rotating shafts 401, and the axes of the rotating shafts 401 are arranged along the diameter direction of the middle shield 6. Specifically, the front end of the piston rod of the driving oil cylinder 4 is hinged with the middle shield 6 through a rotating shaft 401, and the rear end of the cylinder barrel of the driving oil cylinder 4 is hinged with the tail shield 9 through the rotating shaft 401.
In the front-to-back direction, four driving cylinders 4 between the front shield 2 and the middle shield 6 are opposite to four driving cylinders 4 between the middle shield 6 and the tail shield 9. Or four driving cylinders 4 between the front shield 2 and the middle shield 6 and four driving cylinders 4 between the middle shield 6 and the tail shield 9 are staggered in the front-to-back direction, as shown in fig. 5. The up-down left-right turning function of the host system of the micro shield machine is realized through the extension and retraction of the driving oil cylinder 4.
In this embodiment, a front shield anti-torsion block 11 is disposed in the front shield 2, the front shield anti-torsion block 11 includes an inner insert rod and an outer sleeve sleeved outside and inside, the inner insert rod extends along the front-rear direction, an annular moving gap is formed between the inner insert rod and the outer sleeve, the annular moving gap is 5cm-20cm, the inner insert rod is fixedly connected with the front shield 2, the outer sleeve is fixedly connected with a spherical hinge inner ring 1203 in the spherical hinge assembly 12 in front, and the inner insert rod can only rotate within the moving gap range, so that the rotating range of the front shield 2 relative to the middle shield 6 can be limited.
In this embodiment, the host system has the characteristic of large length-diameter ratio, the front shield 2 comprises a cutter head 1 and a main drive 3, the middle shield 6 is internally provided with a hydraulic system host 5, and the tail shield 9 is internally provided with a propulsion cylinder 8. The hydraulic system main machine 5 provides power for the shield tunneling system (the main drive 3 and the thrust cylinder 8) and the driving cylinder 4. The cylinder barrel of the propulsion cylinder 8 is fixedly connected with the tail shield 9, a piston rod of the propulsion cylinder 8 can be abutted with the duct piece tunnel 26, and the propulsion cylinder 8 can push the host system to advance when extending.
The hydraulic system main machine 5 is arranged in the shield body (the middle shield 6) to reasonably plan the arrangement space of the whole machine. (remark: the conventional shield machine (excavation diameter is not less than 4 m) is generally provided with a hydraulic system on a rear matched trailer, and the main machine 5 of the hydraulic system is arranged in the shield body because of the small space of the rear matched system of the miniature shield machine, so that the available space of the main machine is increased, all key components in the main machine can be reasonably arranged in a limited space, and the main machine system achieves the aim by using the increased length.
In this embodiment, the micro shield tunneling machine further includes a rear supporting system, the host system and the rear supporting system are arranged at intervals from front to back, a segment crane 21 is arranged between the host system and the rear supporting system, a segment erector 10 is arranged in the rear portion of the host system, the rear supporting system includes a trailer group, related equipment of a fluid hydraulic electric circulation system, a pipeline, a segment transportation system and the like, the front end of the segment crane 21 is connected with the segment erector 10, and the rear end of the segment crane 21 is connected with the trailer group, as shown in fig. 1 and 2.
Specifically, the rear mating system includes a trailer group and a trailer track 25, where the trailer group includes a plurality of trailers disposed along a front-rear direction, a front-most trailer among the plurality of trailers is trailer number one 13, and the remaining trailers among the plurality of trailers are all rear trailers 15. The segment crane 21 comprises a crane beam 2101 and a crane hoist 2102, wherein the front end of the crane beam 2101 is fixedly connected with the segment erector 10, and the rear end of the crane beam 2101 is fixedly connected with the first trailer 13.
The miniature shield tunneling machine further comprises a mud water circulating pipeline 7, the front end of the mud water circulating pipeline 7 is connected with the cutter head 1, the front section of the mud water circulating pipeline 7 is located in the host system, the rear section of the mud water circulating pipeline 7 is located in the trailer group, and mud pipes (the mud pipes are connected with the front section of the mud water circulating pipeline 7 and the rear section of the mud water circulating pipeline 7) and pipelines such as fluid hydraulic pressure are integrally arranged on the crane beam 2101, wherein the pipelines are connected with the host machine and the rear matched mud pipes. The mud water circulation pipeline 7 can supply tunneling liquid to the cutterhead 1, and the mud water circulation pipeline 7 can also discharge mud generated by tunneling of the cutterhead 1.
In this embodiment, the trailer includes an upper beam 22, an upright 23 and a bottom platform 24 sequentially connected from top to bottom, a marshalling train track 20 is integrally disposed on the bottom platform 24, a wheel pair 19 is disposed below the bottom platform 24, the wheel pair 19 is located on a trailer track 25, the trailer track 25 extends along the front-rear direction, the trailer track 25 is fixed at the bottom of the segment tunnel 26, and two adjacent marshalling train tracks 20 are connected through a detachable short track.
The rear mating system also includes a consist train 17, the consist train 17 being capable of traveling on either the trailer track 25 or the consist train 17 being capable of traveling on the consist train track 20. The adjacent two marshalling train tracks 20 are connected by adopting a detachable short rail, so that the turning requirement of a minimum curve (namely, small curvature) can be met. When the shield machine runs to a special path with an extremely small curve, the offset distance of adjacent tracks is too large due to turning, so that smooth passing of the marshalling travelling wheels cannot be met, and the detachable short track is installed to make up the gap, so that smooth running of the marshalling train is ensured.
In the present embodiment, in the first trailer 13, the line center line of the group train track 20 coincides with the line center line of the trailer track 25 in the vertical direction, that is, the distance between the two group train tracks 20 is the same as the distance between the two trailer tracks 25, the distance between the two group train tracks 20 and the center line of the segment tunnel 26 is the same, and the distance between the two trailer tracks 25 and the center line of the segment tunnel 26 is also the same. Both the consist train track 20 and the trailer track 25 are located below the centerline of the segment tunnel 26. The upper cross member 22 of the first trailer 13 is integrally provided with the muddy water circulation pipe 7 (i.e., a part of the rear section of the muddy water circulation pipe 7), as shown in fig. 6.
In the present embodiment, in the rear trailer 15, the line center line of the group train track 20 is parallel to the line center line of the trailer track 25, and the line center line of the group train track 20 is offset from the line center line of the trailer track 25 in the vertical direction, i.e., the distance between the two group train tracks 20 is the same as the distance between the two trailer tracks 25, the distances between the two group train tracks 20 and the center line of the segment tunnel 26 are different, and the distances between the two trailer tracks 25 and the center line of the segment tunnel 26 are the same, as shown in fig. 7.
For example, the marshalling train track 20 is deviated to one side (e.g., left side) in the rear trailer 15, the distance from the left marshalling train track 20 to the center line of the segment tunnel 26 is longer than the distance from the right marshalling train track 20 to the center line of the segment tunnel 26, the marshalling train track 20 is located on one side (i.e., left side) of the upright 23, the other side (i.e., right side) of the upright 23 is provided with a device mounting area in which the fluid hydraulic electric circulation device 14 is provided, the upper cross member 22 is provided with the muddy water circulation pipeline 7 (i.e., a part of the rear section of the muddy water circulation pipeline 7) and the pipeline 18, and the pipeline 18 is connected with the fluid hydraulic electric circulation device 14. The trailer, the marshalling train 17, the mud water circulation pipeline 7, the pipeline 18 and the fluid hydraulic electric circulation equipment 14 can exist in the segment tunnel 26 at the same time, so that the space is fully utilized.
In the vertical direction, when the marshalling train track 20 in the rear trailer 15 deviates from the central line of the segment tunnel 26, the marshalling train track 20 in the first trailer 13 is opposite to the central line of the segment tunnel 26, in order to meet the dual requirements of narrow space material transportation and equipment arrangement, the marshalling track on the bottom platform of the trailer adopts a curve track changing design, the marshalling train track 20 in the first trailer 13 is connected with the marshalling train track 20 in the adjacent rear trailer 15 through a track changer, and when the marshalling train 17 just enters the trailer (namely the rear trailer 15), the marshalling train 17 deviates from the central line of the segment tunnel 26 in the vertical direction (in order to meet the equipment arrangement requirement, namely, the marshalling train track 20 is positioned on the left side of the upright 23, the right side of the upright 23 can be provided with fluid hydraulic electric circulation equipment 14, and space is fully utilized), and after the marshalling train segment 17 arrives at the first trailer 13, the marshalling train 17 is positioned on the central line of the segment tunnel 26 in the vertical direction (in order to meet the requirement that the crane 21 is lifted at the central position of the tunnel, so that the marshalling train 17 needs to be moved from the central line position of the central line of the segment tunnel 26 to the central line of the segment tunnel 26).
The marshalling train 17 can transport the pipe piece to the pipe piece crane 21, the pipe piece crane 21 lifts the pipe piece to the pipe piece assembling machine 10, the marshalling train 17 can run on the trailer track 25, and the marshalling train 17 can also run on the marshalling train track 20. The switch 16 is provided on the rearmost trailer of the plurality of trailers, the switch 16 being capable of guiding the consist train 17 from the trailer track 25 into the consist train track 20 of the trailer, and the switch 16 being also capable of guiding the consist train 17 from the consist train track 20 into the trailer track 25 of the trailer.
For ease of understanding and description, the present invention is described using absolute positional relationships, where the azimuth term "up" indicates the upper direction in fig. 6, the azimuth term "down" indicates the lower direction in fig. 6, the azimuth term "left" indicates the left direction in fig. 6, the azimuth term "right" indicates the right direction in fig. 6, the azimuth term "front" indicates the direction perpendicular to the paper surface of fig. 6 and directed to the inside of the paper surface, and the azimuth term "rear" indicates the direction perpendicular to the paper surface of fig. 6 and directed to the outside of the paper surface, unless otherwise specified. The present invention is described using the reader or operator's perspective, but such directional terms are not to be interpreted or construed as limiting the scope of the present invention.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical characteristics and technical characteristics, the technical characteristics and technical scheme and the technical scheme can be freely combined for use.
Claims (6)
1. The miniature shield machine is characterized by comprising a host system, wherein the host system comprises a front shield (2), a middle shield (6) and a tail shield (9) which are sequentially arranged from front to back, the front shield (2) is connected with the middle shield (6) through a spherical hinge assembly (12), and the middle shield (6) is also connected with the tail shield (9) through the spherical hinge assembly (12);
the front shield (2) comprises a cutter head (1) and a main drive (3), a hydraulic system host machine (5) is arranged in the middle shield (6), and a thrust cylinder (8) is arranged in the tail shield (9); the hydraulic system main machine (5) provides power for the main drive (3) and the propulsion cylinder (8);
The miniature shield tunneling machine further comprises a rear matching system, the host system and the rear matching system are arranged at intervals from front to back, the rear matching system comprises a trailer group and trailer tracks (25), the trailer group comprises a plurality of trailers arranged along the front-rear direction, each trailer comprises an upper cross beam (22), a stand column (23) and a bottom platform (24) which are sequentially connected from top to bottom, a marshalling train track (20) is arranged on the bottom platform (24), a wheel pair (19) is arranged below the bottom platform (24), the wheel pair (19) is positioned on the trailer tracks (25), two adjacent marshalling train tracks (20) are connected through a detachable short track, the front trailer in the plurality of trailers is a trailer (13), and the rest trailers in the plurality of trailers are all rear trailers (15);
in the first trailer (13), the line center line of the marshalling train track (20) is overlapped with the line center line of the trailer track (25) in the vertical direction, and the upper cross beam (22) is provided with a mud water circulating pipeline (7);
In the rear trailer (15), the line center line of the marshalling train track (20) is parallel to the line center line of the trailer track (25), the line center line of the marshalling train track (20) deviates from the line center line of the trailer track (25) in the vertical direction, the marshalling train track (20) is positioned on one side of the upright post (23), the other side of the upright post (23) is provided with an equipment installation area, a fluid hydraulic electric circulation equipment (14) is arranged in the equipment installation area, a muddy water circulation pipeline (7) and a pipeline (18) are arranged on the upper cross beam (22), and the pipeline (18) is connected with the fluid hydraulic electric circulation equipment (14);
a switch (16) is arranged on the rear-most trailer in the plurality of trailers, and the switch (16) can guide a marshalling train (17) to drive into a marshalling train track (20) of the trailer from a trailer track (25).
2. The miniature shield machine according to claim 1, wherein the spherical hinge assembly (12) comprises an inner spherical hinge ring (1203) and an outer spherical hinge ring (1204) which are sleeved outside, a sealing structure is sleeved between the inner spherical hinge ring (1203) and the outer spherical hinge ring (1204), and the sealing structure comprises VD sealing rings (1201) and finger-shaped sealing rings (1202) which are arranged at intervals in the front-back direction.
3. The micro-machine according to claim 2, wherein,
In a spherical hinge assembly (12) for connecting a front shield (2) and a middle shield (6), a spherical hinge inner ring (1203) is fixedly connected with the front end of the middle shield (6), and a spherical hinge outer ring (1204) is fixedly connected with the rear end of the front shield (2);
In a spherical hinge assembly (12) for connecting the middle shield (6) and the tail shield (9), the spherical hinge inner ring (1203) is fixedly connected with the front end of the tail shield (9), and the spherical hinge outer ring (1204) is fixedly connected with the rear end of the middle shield (6).
4. The miniature shield tunneling machine according to claim 1, characterized in that four driving oil cylinders (4) are arranged between the front shield (2) and the middle shield (6), the four driving oil cylinders (4) are uniformly distributed at intervals along the circumference of the front shield (2), the driving oil cylinders (4) can stretch along the front and back directions, the front ends of the driving oil cylinders (4) are hinged with the front shield (2) through rotating shafts (401), the rear ends of the driving oil cylinders (4) are hinged with the middle shield (6) through rotating shafts (401), and the axes of the rotating shafts (401) are arranged along the diameter direction of the front shield (2).
5. The miniature shield machine according to claim 1, wherein four driving oil cylinders (4) are arranged between the middle shield (6) and the tail shield (9), the four driving oil cylinders (4) are uniformly distributed at intervals along the circumference of the middle shield (6), the driving oil cylinders (4) can stretch out and draw back along the front-back direction, the front ends of the driving oil cylinders (4) are hinged with the middle shield (6) through rotating shafts (401), the rear ends of the driving oil cylinders (4) are hinged with the tail shield (9) through rotating shafts (401), and the axes of the rotating shafts (401) are arranged along the diameter direction of the middle shield (6).
6. The miniature shield tunneling machine according to claim 1, characterized in that a segment crane (21) is arranged between the host system and the rear supporting system, a segment erector (10) is arranged in the rear part of the host system, the rear supporting system comprises a trailer group, the front end of the segment crane (21) is connected with the segment erector (10), and the rear end of the segment crane (21) is connected with the trailer group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111074222.4A CN113719291B (en) | 2021-09-14 | 2021-09-14 | Miniature shield constructs machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111074222.4A CN113719291B (en) | 2021-09-14 | 2021-09-14 | Miniature shield constructs machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113719291A CN113719291A (en) | 2021-11-30 |
| CN113719291B true CN113719291B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111074222.4A Active CN113719291B (en) | 2021-09-14 | 2021-09-14 | Miniature shield constructs machine |
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| Country | Link |
|---|---|
| CN (1) | CN113719291B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720507A (en) * | 2012-07-12 | 2012-10-10 | 中国铁建重工集团有限公司 | Radial type shield body torsionproof device |
| CN106801606A (en) * | 2017-03-22 | 2017-06-06 | 中铁工程装备集团有限公司 | The sealing and connecting device of a kind of middle shield and tail shield, shield machine shield body and shield machine |
| CN207315384U (en) * | 2017-10-16 | 2018-05-04 | 中船重型装备有限公司 | A kind of shield machine shield body articulated mounting |
| CN108868785A (en) * | 2018-06-12 | 2018-11-23 | 江苏锐成机械有限公司 | Shield machine with more piece spherical surface articulated structure |
| CN112727477A (en) * | 2021-01-20 | 2021-04-30 | 中建三局集团有限公司 | Hinged sliding barrel type continuous tunneling shield machine and construction method thereof |
-
2021
- 2021-09-14 CN CN202111074222.4A patent/CN113719291B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720507A (en) * | 2012-07-12 | 2012-10-10 | 中国铁建重工集团有限公司 | Radial type shield body torsionproof device |
| CN106801606A (en) * | 2017-03-22 | 2017-06-06 | 中铁工程装备集团有限公司 | The sealing and connecting device of a kind of middle shield and tail shield, shield machine shield body and shield machine |
| CN207315384U (en) * | 2017-10-16 | 2018-05-04 | 中船重型装备有限公司 | A kind of shield machine shield body articulated mounting |
| CN108868785A (en) * | 2018-06-12 | 2018-11-23 | 江苏锐成机械有限公司 | Shield machine with more piece spherical surface articulated structure |
| CN112727477A (en) * | 2021-01-20 | 2021-04-30 | 中建三局集团有限公司 | Hinged sliding barrel type continuous tunneling shield machine and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113719291A (en) | 2021-11-30 |
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