CN112081598A - Square shield machine - Google Patents
Square shield machine Download PDFInfo
- Publication number
- CN112081598A CN112081598A CN202010802459.9A CN202010802459A CN112081598A CN 112081598 A CN112081598 A CN 112081598A CN 202010802459 A CN202010802459 A CN 202010802459A CN 112081598 A CN112081598 A CN 112081598A
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- Prior art keywords
- square
- cutter
- cutter bar
- cutter head
- control room
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- 230000033001 locomotion Effects 0.000 claims abstract description 37
- 230000005641 tunneling Effects 0.000 claims abstract description 33
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 13
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—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
- E21D9/0873—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 the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- 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
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
-
- 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
- E21D9/0621—Shield advancing devices
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 discloses a square shield machine which comprises a shield body and a tunneling part, wherein the tunneling part comprises a cutter head, a cutter bar and a square template; the cutter bar is movably connected with the square template; the movement track formed by coupling and connecting the cutter head and the cutter bar is in a Lelo triangle shape; the axis of the cutter bar is coincided with the axis of the cutter head through a square template, the cutter bar is used by being sleeved on the cutter bar, and the axis of the cutter bar is coincided with the axis of the cutter head, so that the control of the movement axis of the cutter head can be realized by limiting and standardizing the movement axis track of the cutter bar, the movement of the cutter bar is coupled with the movement on the cutter head to form a Lelo triangle, the center of the Lelo triangle is always in movement when the Lelo triangle rotates, otherwise, the cutter head can only tunnel to obtain a tunnel with a circular cross section, finally, the movement envelope curve of the cutter head is square, the cross section of the tunnel formed by the construction of the shield.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of shield construction, and particularly relates to a square shield machine.
[ background of the invention ]
The principle of the existing shield tunneling machine for tunneling is that geological contents are cut by utilizing the rotary motion of a cutter head around an axis, a conveying device is arranged inside the shield tunneling machine, dregs are conveyed out, then the splicing of tunnel tube walls is realized at the back of the shield tunneling machine, and finally the whole cylindrical tunnel structure is formed.
The shield machine is the mainstream engineering equipment of current tunnel engineering, and the rate of utilization is high, but present shield machine adopts the motionless blade disc of axis, and the cylindrical space that the shield machine that adopts the motionless blade disc of axis formed does not all drop into practical use, need to construct the tunnel that the shield machine construction was accomplished again and maintain, guarantees that the cross-section bottom in tunnel is level and smooth and possesses certain width.
[ summary of the invention ]
The invention provides a square shield machine and aims to solve the problem that the conventional shield machine cannot be constructed at one time.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a square shield machine comprises a shield body and a tunneling part, wherein the tunneling part comprises a cutter head, a cutter bar and a square template;
the cutter bar is movably connected with the square template;
the movement track formed by coupling and connecting the cutter head and the cutter bar is in a Lelo triangle shape;
the axis of the cutter bar is superposed with the axis of the cutter head.
The invention further improves the following steps:
the cutter head comprises a body and a plurality of cutter heads;
one end of the body is connected with the cutter bar, and the other end of the body is connected with the plurality of cutter heads;
the cutter head moves rotationally about its own axis.
The plurality of cutter heads are respectively electrically connected with a first motor arranged on the body.
A hydraulic device is arranged between the shield body and the tunneling part;
one end of the hydraulic device is connected with the shield body, and the other end of the hydraulic device is connected with the tunneling part.
One side of the pressure-bearing partition plate is provided with at least one second motor, the second motor is connected with a floating chuck, and the floating chuck is connected with the cutter bar.
A sliding block mechanism is arranged in the floating chuck and comprises a first body and a second body;
the top of the first body is provided with a groove, and the bottom of the second body is provided with a flange matched with the groove.
The tip of tool bit is provided with hydrology monitoring devices.
The shield body comprises a control chamber, a duct piece, an installation mechanism for the duct piece 7, a muck transportation system and a muck crushing and sucking device;
one end of the control room is connected with the tunneling part, and the other end of the control room is connected with the mounting mechanism;
the mounting mechanism comprises a truss and a mechanical arm, and the truss is connected with the control room;
one end of the mechanical arm is connected with the truss, and the other end of the mechanical arm is connected with the duct piece;
the muck transportation system is positioned on the bottom plate of the control room and is connected with the bottom plate of the control room;
the residue soil crushing and sucking device is connected with a bottom plate of the control room;
and the muck crushing and sucking device is abutted against the muck conveying system.
The muck conveying system comprises a conveying belt, a transmission shaft, a support frame and a third motor;
the transmission shaft is positioned at the top of the support frame and is rotationally connected with the support frame;
the transmission belt is sleeved on the transmission shaft;
the motor is connected with the support frame, and an output shaft of the motor is connected with the transmission shaft;
the support frame is connected with a bottom plate of the control room;
the conveying belt is abutted with the residue soil crushing and sucking device.
The tunneling part also comprises a soil bin and a pressure-bearing partition plate;
the soil bin is positioned between the cutter bar and the pressure-bearing partition plate;
the soil bin is connected with the cutter bar;
the pressure-bearing partition plate is connected with the hydraulic device.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the square template is sleeved on the cutter bar for use, so that the axis of the cutter bar is superposed with the axis of the cutter head, the control of the movement axis of the cutter head is realized by limiting and standardizing the movement axis track of the cutter bar, the movement of the cutter bar is coupled with the movement on the cutter head to form a Lelo triangle, the center of the Lelo triangle is always in movement when the Lelo triangle rotates, otherwise, the cutter head can only tunnel to obtain a circular section tunnel, finally, the movement envelope curve of the cutter head is square, the tunnel formed by the construction of the shield machine is square in section, and the condition that the bottom of the current circular section is leveled by secondary construction;
further: a plurality of cutter heads are arranged on the cutter head, and the cutter heads rotate around the axis of the cutter heads so as to cut a soil layer;
further: the cutter head is driven by a first motor;
further: advancing the tunneling part by a hydraulic device;
further: the floating chuck is driven by the second motor to move, the cutter bar is driven by the floating chuck to move, and the cutter bar drives the cutter disc to do a Lelo triangle motion;
further: the other end of the floating chuck connected with the cutter bar deviates from the main shaft to move through an intermediate sliding block mechanism in the floating chuck; the motion of the cutter bar is coupled with the motion on the cutter head, and finally the motion envelope curve of the cutter head is square;
further: a hydrological monitoring device is arranged on the outer side of the cutter head, and the working environment of the shield tunneling machine can be monitored.
[ description of the drawings ]
In order to more clearly explain the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the entire shield machine of the present invention;
FIG. 2 is a schematic view of the cutterhead of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the square template of FIG. 1 according to the present invention;
FIG. 4 is a schematic structural view of the floating clamp of the present invention;
FIG. 5 is a schematic structural view of a slider mechanism of the present invention;
fig. 6 is a schematic diagram of the motion of the lelo triangle of the present invention.
Wherein: 1-a cutter head; 2-a square template; 3-a pressure-bearing partition plate; 4-a hydraulic device; 5-a soil bin; 51-a residue soil opening; 6-a control room; 7-a segment; 8-an installation mechanism; 9-a muck transport system; 10-a residue soil crushing and sucking device; 11-a floating chuck; 12-a second electric machine; 13-hydrologic monitoring devices; 14-a first body; 15-a second body; 16-a groove; 17-a flange; 18-cutter head.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the product of the present invention is used, the description is merely for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the square shield tunneling machine of the invention comprises a shield body and a tunneling part.
The shield body comprises a control chamber 6, a segment 7, an installation mechanism 8 for the segment 7, a muck transportation system 9 and a muck crushing and suction device 10. One end of the control room 6 is connected with the heading part, and the other end is connected with the mounting mechanism 8. The mounting mechanism 8 comprises a truss and a robotic arm, the truss being connected to the control room 6. One end of the mechanical arm is connected with the truss. The other end is connected with the duct piece 7. The muck transportation system 9 comprises a conveyor belt, a transmission shaft, a support frame and a third motor. The transmission shaft is located the top of support frame and rotates with the support frame and be connected. The transmission belt is sleeved on the transmission shaft. The motor is connected with the support frame, and the output shaft of the motor is connected with the transmission shaft. The supporting frame is fixed with the bottom plate of the control room 6 through bolts. The residue soil crushing and sucking device 10 and the bottom plate of the control room 6 form a certain angle and are fixed on the bottom plate of the control room 6 through a connecting frame. The residue soil crushing and suction device 10 is abutted against the conveyor belt.
The tunneling part comprises a cutter head 1, a cutter bar, a square template 2, a soil bin 5 and a pressure-bearing partition plate 3. A hydraulic device 4 is arranged between the shield body and the tunneling part, and an Ed-630/12 electric hydraulic thruster is selected as the hydraulic device 4. One end of the Ed-630/12 electric hydraulic thruster is connected with the shield body, and the other end of the Ed-630/12 electric hydraulic thruster is connected with the pressure-bearing partition plate 3. Two second motors 12 are arranged on one side of the pressure-bearing partition plate 3, a floating chuck 11 is connected to an output shaft of each second motor 12, the floating chuck 11 is connected with the output shaft through a gear, the floating chuck 11 and the second motors 12 are located in a soil bin 5, the soil bin 5 is a closed component located at the rear part of the cutter bar, and the front end of the pressure-bearing partition plate 3 is placed on a truss structure. The floating chuck 11 is connected with the cutter bar by a key, and the cutter head 1 is connected with the cutter bar by a spline.
The cutter head 1 comprises three cutter heads 18 and a body, one end of the body is connected with the cutter bar, the other end of the body is connected with the three cutter heads 18, the three cutter heads 18 are respectively electrically connected with a first motor arranged on the body, and the first motor drives the cutter heads 18 to move.
The floating cartridge 11 is internally provided with a slider mechanism comprising a first body 14 and a second body 15. The first body 14 is provided with a groove 16, and the second body 15 is provided with a flange 17 matched with the groove 16. The movement track formed by the coupling connection of the cutter head 1 and the cutter bar is in a Lelo triangle shape. The axis of the cutter bar is coincident with the axis of the cutter head 1. The other end of the floating chuck 11 connected with the cutter bar deviates from the main shaft to move through an intermediate sliding block mechanism in the floating chuck 11; the movement of the tool rod is coupled with the movement of the tool disk 1, and finally the movement envelope curve of the tool disk 1 is square.
The cutter head 18 is arranged on the head of the cutter head 1, and the cutter head 18 rotates around the axis of the cutter head 18 to cut soil layers, so that rock and soil can be crushed. The cutter head 1 is provided with strip-shaped soil residue openings 51, and cut soil residues can enter the soil bin 5 behind through the openings and are finally transported to the ground. The head of the cutter head 1 is fixed with a hydrological monitoring device 13 through bolts, and the hydrological monitoring device 13 adopts an SCS502 universal telemetering terminal machine. The square template 2 is nested on the cutter bar, and the square template 2 is a movable device and is not fixedly connected with any device. The motion track of the cutter bar is also in a Lelo triangle, and the axis of the cutter bar is superposed with the axis of the cutter head 1, so that the motion axis of the cutter head 1 can be controlled by limiting and regulating the motion axis track of the cutter bar.
The principle of the invention is as follows:
the section shapes of the cutter head 1 and the cutter bar are of a Lelo triangle, when the Lelo triangle rotates, the center P of the Lelo triangle is in certain movement, otherwise, the cutter head 1 can only tunnel to obtain a circular section tunnel. As shown in fig. 6(a), let the side length of the square be 1, and the origin of the rectangular coordinate system be located at the center of the square. The three vertices of the reuleaux triangle are A, B, C. Then
As the reuleaux triangle rotates 30 ° counterclockwise within the square from fig. 6(a) to fig. 6(b) to fig. 6(c), its center is formed by
To P1 and to
Assuming that A1B1 forms an angle α 'with A1G in fig. 6(B), A1G is equal to A1B1cos α', and thus the trajectory equation of P1 in the second quadrant is:
if the Lelo triangle continues to rotate counterclockwise, the center P will continue to move clockwise through the first, fourth and third quadrants, and the trajectory curve is closed. Therefore, the trajectory equations for the P points for the other quadrants are obtained as follows:
a first quadrant:
and a fourth quadrant:
and a third quadrant:
and limiting the motion track of the center of the Lelo triangle on the cutter head 1 to do the motion, so that the envelope curve of the Lelo triangle cutter head is square.
In sum, the square template 2 is sleeved on the cutter bar for use, and the axis of the cutter bar is overlapped with the axis of the cutter head 1, so that the control of the motion axis of the cutter head 1 can be realized by limiting and standardizing the motion axis track of the cutter bar, the motion of the cutter bar is coupled with the motion on the cutter head 1 to form a Lelo triangle, the center of the Lelo triangle is always in motion when the Lelo triangle rotates, otherwise, the cutter head 1 can only tunnel to obtain a circular section tunnel, finally, the motion envelope curve of the cutter head 1 is square, the tunnel formed by the construction of the shield machine is square in section, and the situation that the bottom of the existing circular section is flattened by.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A square shield machine comprises a shield body and a tunneling part, and is characterized in that the tunneling part comprises a cutter head (1), a cutter bar and a square template (2);
the cutter bar is movably connected with the square template (2);
the movement track formed by coupling and connecting the cutter head (1) and the cutter bar is in a Lelo triangle shape;
the axis of the cutter bar is superposed with the axis of the cutter head (1).
2. A square shield tunneling machine according to claim 1, characterized in that said cutterhead (1) comprises a body and a plurality of cutterheads (18);
one end of the body is connected with the cutter bar, and the other end of the body is connected with a plurality of cutter heads (18);
the cutter head (18) moves rotationally about its own axis.
3. A square shield tunneling machine according to claim 2, characterized in that the plurality of cutters (18) are electrically connected to the first electric motor provided on the body, respectively.
4. A square shield tunneling machine according to claim 1, characterized in that a hydraulic device (4) is arranged between the shield body and the tunneling section;
one end of the hydraulic device (4) is connected with the shield body, and the other end of the hydraulic device is connected with the tunneling part.
5. The square shield tunneling machine according to claim 4, wherein at least one second motor (12) is arranged on one side of the pressure-bearing partition plate (3), a floating chuck (11) is connected to the second motor (12), and the floating chuck (11) is connected with the cutter bar.
6. A square shield tunneling machine according to claim 5, characterized in that inside said floating cartridge (11) there is provided a slider mechanism comprising a first body (14) and a second body (15);
the top of the first body (14) is provided with a groove (16), and the bottom of the second body (15) is provided with a flange (17) matched with the groove (16).
7. A square shield tunneling machine according to claim 2, characterized in that the end of the cutter head (18) is provided with a hydrological monitoring device (13).
8. A square shield tunneling machine according to claim 1, characterized by that the shield body comprises a control room (6), segments (7), a mounting mechanism (8) for the segments 7, a muck transport system (9) and a muck crushing and suction device (10);
one end of the control room (6) is connected with the tunneling part, and the other end of the control room is connected with the mounting mechanism (8);
the mounting mechanism (8) comprises a truss and a mechanical arm, and the truss is connected with the control room (6);
one end of the mechanical arm is connected with the truss, and the other end of the mechanical arm is connected with the duct piece (7);
the muck transportation system (9) is positioned on the bottom plate of the control room (6) and is connected with the bottom plate of the control room (6);
the residue soil crushing and sucking device (10) is connected with a bottom plate of the control room (6);
the muck crushing and sucking device (10) is abutted against the muck transportation system (9).
9. A square shield tunneling machine according to claim 8, characterized in that the muck transport system (9) comprises a conveyor belt, a transmission shaft, a support frame and a third motor;
the transmission shaft is positioned at the top of the support frame and is rotationally connected with the support frame;
the transmission belt is sleeved on the transmission shaft;
the motor is connected with the support frame, and an output shaft of the motor is connected with the transmission shaft;
the support frame is connected with a bottom plate of the control room (6);
the conveying belt is abutted with the residue soil crushing and sucking device (10).
10. A square shield tunneling machine according to claim 4, characterized in that the tunneling section further comprises a soil bin (5) and a pressure-bearing partition (3);
the soil bin (5) is positioned between the cutter bar and the pressure-bearing partition plate (3);
the soil bin (5) is connected with the cutter bar;
the pressure-bearing partition plate (3) is connected with the hydraulic device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802459.9A CN112081598B (en) | 2020-08-11 | 2020-08-11 | Square shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802459.9A CN112081598B (en) | 2020-08-11 | 2020-08-11 | Square shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112081598A true CN112081598A (en) | 2020-12-15 |
| CN112081598B CN112081598B (en) | 2022-04-22 |
Family
ID=73735488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010802459.9A Active CN112081598B (en) | 2020-08-11 | 2020-08-11 | Square shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112081598B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216993A (en) * | 2021-04-26 | 2021-08-06 | 中国建筑股份有限公司 | Shield tunneling machine cutter head and shield tunneling machine |
| CN113356867A (en) * | 2021-04-26 | 2021-09-07 | 中国建筑股份有限公司 | Shield constructs quick-witted blade disc, is used for hobbing cutter and shield structure machine on shield structure machine blade disc |
| CN114033403A (en) * | 2021-11-30 | 2022-02-11 | 中国矿业大学 | Full-section rectangular rapid tunneling machine with Lelo triangular cutter head driven by planet wheels |
| CN114808907A (en) * | 2022-03-28 | 2022-07-29 | 武汉理工大学 | Grass grid laying vehicle based on Leluo triangle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04281995A (en) * | 1991-03-07 | 1992-10-07 | Tokyu Constr Co Ltd | Rectangular shield construction work |
| JP3123193B2 (en) * | 1992-03-31 | 2001-01-09 | 三菱マテリアル株式会社 | Round picks and drilling tools |
| CN103711500A (en) * | 2013-12-30 | 2014-04-09 | 上海市机械施工集团有限公司 | Cutting cutter head structure of rectangular shield tunneling machine |
| CN204703907U (en) * | 2015-05-19 | 2015-10-14 | 重庆睿安特盾构技术有限公司 | A kind of Novel shield machine |
| CN208734337U (en) * | 2018-07-20 | 2019-04-12 | 中船重型装备有限公司 | A kind of blind area of rectangular pipe jacking machine is backbreak structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4281995B2 (en) * | 2003-03-27 | 2009-06-17 | Ｎｅｃトーキン株式会社 | Biological ornament and method for producing the same |
-
2020
- 2020-08-11 CN CN202010802459.9A patent/CN112081598B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04281995A (en) * | 1991-03-07 | 1992-10-07 | Tokyu Constr Co Ltd | Rectangular shield construction work |
| JP3123193B2 (en) * | 1992-03-31 | 2001-01-09 | 三菱マテリアル株式会社 | Round picks and drilling tools |
| CN103711500A (en) * | 2013-12-30 | 2014-04-09 | 上海市机械施工集团有限公司 | Cutting cutter head structure of rectangular shield tunneling machine |
| CN204703907U (en) * | 2015-05-19 | 2015-10-14 | 重庆睿安特盾构技术有限公司 | A kind of Novel shield machine |
| CN208734337U (en) * | 2018-07-20 | 2019-04-12 | 中船重型装备有限公司 | A kind of blind area of rectangular pipe jacking machine is backbreak structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216993A (en) * | 2021-04-26 | 2021-08-06 | 中国建筑股份有限公司 | Shield tunneling machine cutter head and shield tunneling machine |
| CN113356867A (en) * | 2021-04-26 | 2021-09-07 | 中国建筑股份有限公司 | Shield constructs quick-witted blade disc, is used for hobbing cutter and shield structure machine on shield structure machine blade disc |
| CN114033403A (en) * | 2021-11-30 | 2022-02-11 | 中国矿业大学 | Full-section rectangular rapid tunneling machine with Lelo triangular cutter head driven by planet wheels |
| CN114808907A (en) * | 2022-03-28 | 2022-07-29 | 武汉理工大学 | Grass grid laying vehicle based on Leluo triangle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112081598B (en) | 2022-04-22 |
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