CN100410491C - Pipe blade assembling machine for rectangular shield - Google Patents
Pipe blade assembling machine for rectangular shield Download PDFInfo
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- CN100410491C CN100410491C CNB2006100253496A CN200610025349A CN100410491C CN 100410491 C CN100410491 C CN 100410491C CN B2006100253496 A CNB2006100253496 A CN B2006100253496A CN 200610025349 A CN200610025349 A CN 200610025349A CN 100410491 C CN100410491 C CN 100410491C
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Abstract
The present invention relates to a pipe blade assembling machine for rectangular shields, which comprises a supporting base, a rotation device, a front and back translation device, a hoisting device and a tong head device. The present invention is characterized in that the machine also comprises a front stage hoisting device and a right and left translation device. The present invention increases device lifting operation from one stage to two stages and is added with horizontal translation operation, and meanwhile, the present invention replaces a single-tong head with a double-tong head so as to realize micro adjustment. Therefore, the present invention not only greatly widens the reach space of the tong head, but also realizes double-tong head coordination for the grabbing and the assembly of the pipe blades, and the present invention enhances device adaptability. The present invention has the advantages of large assembly distance and wide working range and can be applied in the pipe blade assembly when constructing rectangular tunnels, particularly the construction of the rectangular tunnels with large cross section dimension. The present invention creates conditions for manufacturing large-sized rectangular shield development machines and also provides necessary construction machinery devices for constructing assembly combined type rectangular tunnels with the large cross section dimension.
Description
Technical field:
The present invention relates to the engineering machinery that a kind of constructing tunnel is used, especially relate to a kind of pipe blade assembling machine for rectangular shield.
Background technology:
At present, the section in tunnel is generally circular in the underground construction, though circular cross section has special advantages aspect structure stress, can bear bigger soil layer pressure, and tangible deficiency is but arranged aspect space availability ratio.The underground space is extremely valuable, in order to improve space availability ratio, people after deliberation with the tunnel of having built rectangular cross section, in order to remedy rectangular cross section in the deficiency aspect the structure stress, draw the stressed advantage of circular cross section, people are in four jiaos of structures that adopt the great circle arc angle of rectangular cross section.
The underground driving mode of Rectangular Tunnel is constructed and generally can be adopted pipe jacking tunnelling machine or shield excavation machine.Owing to can't obtain the cooperation of duct piece assembling machine, the pipe jacking tunnelling machine construction only is applicable to that generally tunnel lining is integrally-built tunnel construction, and thicker, the Heavy Weight of wall ratio of whole tunnel tube coupling, transportation and lifting are all very difficult, so the pipe jacking tunnelling machine construction only is applicable to the tunnel construction that cross dimensions is less.For the just necessary tunnel lining of adopting pin-connected panel of the Rectangular Tunnel of building the large scale section, this just needs to use the rectangular shield development machine that has duct piece assembling machine.
Existing duct piece assembling machine generally is used for circular tunnel, and its schematic diagram can be referring to Fig. 1 and Fig. 2.The diagram duct piece assembling machine is made up of bearing 1 ', slewing equipment 2 ', lifting guiding device 3 ', front and back guided in translation device 4 ' and binding clip device 5 ' institute.Bearing 1 ' is fixed on the shield structure inner housing, slewing equipment 2 ' is supported on bearing 1 ' and goes up also and can rotate in the above, promote on the rotating disk card that guiding device 3 ' is arranged at slewing equipment 2 ' and can do the oscilaltion campaign in the above, front and back guided in translation device 4 ' is arranged on " U " shape frame that promotes guiding device 3 ' and translational motion before and after can doing in the above, and binding clip device 5 ' is fixed on the fairlead of front and back guided in translation device 4 '.When work concerning binding clip device 5 ', slewing equipment 2 ' provides the gyration around shield structure axis, promotes guiding device 3 ' oscilaltion campaign is provided, front and back guided in translation device 4 ' provides front and back translational motion (see among the figure shown in the arrow).By the various motions of said mechanism, binding clip device 5 ' just can be finished into the pipe assembly unit work in the tunnel of ring.
Because the mechanism kinematic of duct piece assembling machine only possessed revolution action, lifting action, translation motion and binding clip action in the past, the action adjustable range of the binding clip device 5 ' of grasping pipe piece is smaller, therefore generally can only adapt to composite assembly circular tunnel section of jurisdiction.Because the Rectangular Tunnel section extends four rectangular angular than circular cross section more, so require the actuating range of duct piece assembling machine binding clip bigger, therefore existing duct piece assembling machine can not be suitable for the section of jurisdiction of assembly unit Rectangular Tunnel.
Summary of the invention:
In order to overcome the existing less deficiency of duct piece assembling machine actuating range, solve to lack can with the supporting problem of finishing the duct piece assembling machine of big section Rectangular Tunnel construction of rectangular shield development machine, the invention provides the pipe blade assembling machine for rectangular shield that a kind of assembly unit distance is big, working range is wide.
It is as follows that the present invention solves the technical scheme that its technical problem takes:
A kind of pipe blade assembling machine for rectangular shield, include bearing, slewing equipment, front and back translating device, lifting appliance and binding clip device, this bearing is fixed on the inner housing of shield machine, slewing equipment is supported on the bearing, it is characterized in that: it also includes prime lifting appliance and left and right sides translating device; Described prime lifting appliance includes and promotes pedestal and lift cylinder, and this lift cylinder one end is articulated in and promotes on the pedestal, and the other end is articulated on the slewing equipment, and it drives the lifting pedestal and moves up and down on slewing equipment; Described front and back translating device includes translating base arm and front and back translation oil cylinder, and this front and back translation oil cylinder one end is articulated on the translating base arm, and the other end is articulated in and promotes on the pedestal, and it drives the translating base arm and is promoting translational motion before and after the work on the pedestal; Described lifting appliance includes two bases and two hoist cylinders, and this hoist cylinder one end is articulated in a base separately, the other end be hinged on respectively the translating base arm about two sidepieces, it drives two bases and moves up and down on the translating base arm; Described left and right sides translating device includes two Connection Blocks, two fairleads, a left and right sides translation oil cylinder and a main pincers seat, about this two Connection Block is separately fixed on two bases, two fairleads are parallel to each other and two ends be fixed on separately about on two Connection Blocks, main pincers seat slides on two fairleads simultaneously, the piston rod of left and right sides translation oil cylinder is hinged on the Connection Block of a side, its cylinder body is fixed on the main pincers seat, and this left and right sides translation oil cylinder drives main pincers seat along guiding interplanting left and right sides translational motion; Described binding clip device includes fine setting oil cylinder, main binding clip, auxiliary binding clip and auxilliary pincers seat, this main binding clip is fixed on the main pincers seat, the cylinder body of fine setting oil cylinder is fixed on the cylinder body of left and right sides translation oil cylinder, auxilliary pincers seat is fixed on the piston rod of fine setting oil cylinder, auxiliary binding clip is fixed on the auxilliary pincers seat, and the auxilliary pincers seat of this fine setting hydraulic oil cylinder driving is done relative motion to main binding clip together in company with auxiliary binding clip.
Pipe blade assembling machine for rectangular shield of the present invention, the lifting pedestal of its prime lifting appliance is an inverted U-shaped part, respectively be provided with the guide pillar of an axis on its two side arm along brachium, be installed with two parallel guide pin bushings on slewing equipment, this guide pillar sleeve is gone in the guide pin bushing so that the motion that promotes pedestal is play the guiding role; The translating base arm of described front and back translating device also is an inverted U-shaped part, respectively be provided with the guide rod of two axis normal on its two side arm in brachium, promote on two sidewalls of pedestal and respectively be provided with the guide hole of two axis normal in brachium, this guide rod sleeve is gone in the guide hole and is play the guiding role with the motion to the translating base arm; Respectively be provided with a upright guide peg on two bases of described lifting appliance, respectively be provided with the pilot hole of an axis along brachium on two side arms of translating base arm, this guide peg sleeve is gone in the pilot hole and is play the guiding role with the motion to two bases; Be installed with two parallel leads on the auxilliary pincers seat of described binding clip device, this lead sleeve is gone in the endoporus of fairlead and is play the guiding role with the motion to auxilliary pincers seat; Described slewing equipment includes supporting base, bearing, rotating disk and drive unit, this supporting base is fixed on the bearing, the outer ring of bearing is fixed in the endoporus of supporting base, and its inner ring and rotating disk Joint, drive unit are fixed on the inner housing of shield machine and drive the rotating disk rotation; Pipe blade assembling machine for rectangular shield of the present invention can two be installed in the same shield machine mutually side by side.
Compared with prior art, the motion of duct piece assembling machine in the past has only the revolution action, promote action, translation motion and binding clip action, working range is less, and pipe blade assembling machine for rectangular shield of the present invention has increased the prime lifting appliance, make the lifting action of equipment increase to two-stage by one-level, enlarged the scope of application that promotes action, also increased left and right sides translating device simultaneously, realized the horizontal translation action, started new adjusting space, in addition, also single binding clip is increased to two binding clips and realized the two-stage adjusting, therefore greatly expanded the arrival space of binding clip, the distance of having extended pipe sheet assembling, enlarged the working range of described pipe blade assembling machine for rectangular shield, realized the pipe sheet assembling of four jiaos of the Rectangular Tunnel that can not arrive existing duct piece assembling machine.Pipe blade assembling machine for rectangular shield assembly unit distance of the present invention is big, working range is wide, the pipe sheet assembling that can adapt to Rectangular Tunnel, especially when using at a shield machine side by side for two, can finish the pipe sheet assembling operation of the Rectangular Tunnel of large scale section especially.The present invention has filled up the blank of existing duct piece assembling machine career field, and for the formation of large-scale rectangular shield excavation machine has been created condition, also the assembly combined Rectangular Tunnel for building large scale section provides necessary construction equipment.
Description of drawings:
Fig. 1 is the schematic diagram of existing duct piece assembling machine.
Fig. 2 is the structure side view of Fig. 1.
Fig. 3 is a structural representation of the present invention.
Fig. 4 is a rear elevation of the present invention.
Fig. 5 is a slewing equipment schematic diagram of the present invention.
Fig. 6 is the lateral view of Fig. 5.
Fig. 7 is a prime lifting appliance schematic diagram of the present invention.
Fig. 8 is the lateral view of Fig. 7.
Fig. 9 is front and back of the present invention translating device schematic diagrames.
Figure 10 is the lateral view of Fig. 9.
Figure 11 is lifting appliance of the present invention and left and right sides translating device schematic diagram.
Figure 12 is the A-A sectional view of Figure 11.
Figure 13 is the scheme of installation of the present invention in the rectangular shield machine.
Figure 14 is the schematic rear view of the present invention when being used for the rectangular shield machine side by side.
The specific embodiment:
Now the present invention is further detailed explanation with specific embodiment in conjunction with the accompanying drawings.
At first, see also Fig. 3 and Fig. 4 structural representation of the present invention, the diagram pipe blade assembling machine for rectangular shield includes bearing 1, slewing equipment 2, prime lifting appliance 3, front and back translating device 4, lifting appliance 5, left and right sides translating device 6 and binding clip device 7.
Described bearing 1 is fixed on the inner housing of shield machine, and slewing equipment 2 is supported on the bearing 1.See also Fig. 5 and Fig. 6 again, diagram slewing equipment 2 includes supporting base 201, bearing 202, rotating disk 203 and drive unit 204; This supporting base 201 is fixed on the bearing 1, and it adopts big bearing supporting in the present embodiment, also can adopt other support patterns such as the supporting of gear wheel support roller etc., and bearing 202 outer rings are fixed in the endoporus of supporting base 201, its inner ring and rotating disk 203 Joints; Drive unit 204 is fixed on the inner housing of shield machine, it comprises hydraulic motor and reducer, the gear wheel of this reducer by bolt on the rotary inner ring of bearing 202, the inner ring rotation of hydraulic motor by reducer driving bearing 202, and and then drive rotating disk 203 rotations; Motive power in this drive unit 204 also can adopt motor, and reducer also can adopt other the kind of drive such as sprocket wheel chain etc.
As shown in Figure 7 and Figure 8, described prime lifting appliance 3 includes and promotes pedestal 301 and lift cylinder 302.This lifting pedestal 301 is an inverted U-shaped part, and lift cylinder 302 1 ends are articulated in and promote on the pedestal 301, and the other end is articulated in (see figure 4) on the slewing equipment 2, and it drives lifting pedestal 301 and moves up and down on slewing equipment 2.Respectively be provided with the guide pillar 303 of an axis on two side arms of described lifting pedestal 301 along brachium, on the rotating disk 203 of slewing equipment 2, set firmly to symmetrical parallel (as welding) two guide pin bushings, 205 (see figure 5)s are arranged, these guide pillar 303 sleeves are gone in the guide pin bushing 205, play the guiding role to promoting moving up and down of pedestal 301 on the one hand, on the other hand to promoting pedestal 301 and 2 interconnect functions of slewing equipment.
The structure of described front and back translating device 4 can be consulted Fig. 9 and Figure 10, and this front and back translating device 4 includes translating base arm 401 and front and back translation oil cylinder 402.Described translating base arm 401 also is an inverted U-shaped part, and translation oil cylinder 402 1 ends in front and back are articulated on the translating base arm 401, and the other end is articulated in and promotes (see figure 3) on the pedestal 301, and it drives translating base arm 401 and is promoting translational motion before and after the work on the pedestal 301.Respectively be provided with the guide rod 403 of two axis normal on two side arms of described translating base arm 401 in brachium, respectively be provided with guide hole 304 (see figure 8)s of two axis normal on two sidewalls of lifting pedestal 301 in brachium, these guide rod 403 sleeves are gone in the guide hole 304 and are play the guiding role with the front and back translational motion to translating base arm 401, and translating base arm 401 also is connected whereby and promotes on the pedestal 301 simultaneously.
Now see also Figure 11 and Figure 12.Two bases 501 on two limits and two hoist cylinders 502 about described lifting appliance 5 includes and is divided into, these hoist cylinder 502 1 ends are articulated in a base 501 separately, the other end be hinged on respectively translating base arm 401 about two sidepiece (see figure 4)s, it drives two bases 501 and moves up and down on translating base arm 401.Respectively be provided with a upright guide peg 503 on two bases 501, respectively be provided with pilot hole 404 (see figure 10)s of an axis on two side arms of translating base arm 401 along brachium, these guide peg 503 sleeves are gone in the pilot hole 404, thereby two moving up and down of base 501 are play the guiding role, and also front and back translating device 4 and lifting appliance 5 are coupled together.
Described left and right sides translating device 6 includes two Connection Blocks 601, two fairleads 602, a left and right sides translation oil cylinder 603 and a main pincers seat 604.About this two Connection Block 601 is separately fixed on two bases 501 (seeing Figure 11), two fairleads 602 are parallel to each other and two ends be fixed on separately by bolt about on two Connection Blocks 601 (seeing Figure 12), promptly two Connection Blocks 601 are fixedly connected by two fairleads 602, have two through holes on the main pincers seat 604 and slide over simultaneously on two fairleads 602.Have a through hole in the outer end of left side Connection Block 601, the piston rod of left and right sides translation oil cylinder 603 passes this hole and is hinged on the left Connection Block 601, its cylinder body is fixed on the main pincers seat 604, and this left and right sides translation oil cylinder 603 drives main pincers seat 604 and does left and right sides translational motion along fairlead 602.
Described binding clip device 7 includes fine setting oil cylinder 701, main binding clip 702, auxiliary binding clip 703 and auxilliary pincers seat 704.The end of to and be fixed together coaxially (seeing Figure 12), two oil cylinders also can be made one coaxially at the bottom of the cylinder body of fine setting cylinder body of oil cylinder 701 and left and right sides translation oil cylinder 603; Auxilliary pincers seat 704 is positioned at the outside of right side Connection Block 601, have a through hole on this right side Connection Block 601, the piston rod of fine setting oil cylinder 701 passes this hole and is fixed on the auxilliary pincers seat 704, be installed with two parallel leads 705 before and after on the auxilliary pincers seat 704, these lead 705 sleeves are gone in the endoporus of fairlead 602 and sliding with it joining, and play the guiding role with the motion to auxilliary pincers seat 704.Main binding clip 702 is fixed on the main pincers seat 604 (seeing Figure 11), and auxiliary binding clip 703 is fixed on the auxilliary pincers seat 704; Thereby, left and right sides translation oil cylinder 603 flexible make its cylinder body drive main pincers seat 604 and on main binding clip 702 and fine setting oil cylinder 701 do left and right sides translational motion together, and auxilliary pincers seat 704 bands of the telescopic drive of fine setting oil cylinder 701 are done relative motion with auxiliary binding clip 703 to main binding clip 702.
By said structure as can be known, be used for the main binding clip 702 of grasping pipe piece and the motion of auxiliary binding clip 703 and provide the revolution action by slewing equipment 2, provide one-level to promote action by prime lifting appliance 3, provide the front and back translation motion by front and back translating device 4, provide the two-stage hoisting action by lifting appliance 5, provide left and right sides translation motion by left and right sides translating device 6, provide relatively moving between main binding clip 702 and the auxiliary binding clip 703 by binding clip device 7.Described pipe blade assembling machine for rectangular shield just can be finished into the pipe sheet assembling of the Rectangular Tunnel of ring by realizing the action of above-mentioned each member.
Compare with existing duct piece assembling machine, pipe blade assembling machine for rectangular shield of the present invention increases to two-stage with the lifting action of equipment by one-level, increased the horizontal translation action again, also single binding clip is increased to two binding clips simultaneously and realized fine adjustment, therefore not only greatly expanded binding clip the arrival space, enlarged working range, but also realized that two binding clips coordinate to carry out the extracting and the assembly unit of section of jurisdiction, improved the compliance of equipment.
Pipe blade assembling machine for rectangular shield of the present invention is installed in the state that uses on the rectangular shield development machine can be referring to Figure 13.Illustrated shield excavation machine is made up of shield structure housing 01, cutterhead 02, cutterhead driving device 03, conveying worm 04, shield structure jack system 05, shield tail sealing system 06, and described pipe blade assembling machine for rectangular shield 07 is fixed on the inner housing of shield machine by bearing.
In order to finish the pipe sheet assembling work of bigger section Rectangular Tunnel, pipe blade assembling machine for rectangular shield of the present invention can also two be installed in the same shield machine mutually side by side, and common the coordination finished consolidation service, and its state can be referring to Figure 14.
Pipe blade assembling machine for rectangular shield assembly unit distance of the present invention is big, working range is wide, the pipe sheet assembling when can be applicable to build Rectangular Tunnel, the especially construction of large scale section Rectangular Tunnel.The present invention has created condition for the manufacturing of large-scale rectangular shield excavation machine, and also the assembly combined Rectangular Tunnel for building large scale section provides necessary construction equipment.
Claims (4)
1. pipe blade assembling machine for rectangular shield, include bearing (1), slewing equipment (2), front and back translating device (4), lifting appliance (5) and binding clip device (7), this bearing (1) is fixed on the inner housing of shield machine, slewing equipment (2) is supported on the bearing (1), it is characterized in that: it also includes prime lifting appliance (3) and left and right sides translating device (6); Described prime lifting appliance (3) includes and promotes pedestal (301) and lift cylinder (302), these lift cylinder (302) one ends are articulated in and promote on the pedestal (301), the other end is articulated on the slewing equipment (2), and it drives lifting pedestal (301) and moves up and down on slewing equipment (2); Described front and back translating devices (4) include translating base arm (401) and front and back translation oil cylinder (402), these front and back translation oil cylinder (402) one ends are articulated on the translating base arm (401), the other end is articulated in and promotes on the pedestal (301), and it drives translating base arm (401) translational motion before and after lifting pedestal (301) is gone up work; Described lifting appliance (5) includes two bases (501) and two hoist cylinders (502), these two hoist cylinders (502) one ends are articulated in a base (501) separately, the other end be hinged on respectively translating base arm (401) about two sidepieces, it drives two bases (501) and moves up and down on translating base arm (401); Described left and right sides translating device (6) includes two Connection Blocks (601), two fairleads (602), one left and right sides translation oil cylinder (603) and main pincers seats (604), about this two Connection Block (601) is separately fixed on two bases (501), two fairleads (602) are parallel to each other and two ends be fixed on separately about on two Connection Blocks (601), main pincers seats (604) slide on two fairleads (602) simultaneously, the piston rod of left and right sides translation oil cylinder (603) is hinged on the Connection Block (601) of a side, its cylinder body is fixed on the main pincers seats (604), and this left and right sides translation oil cylinder (603) drives main pincers seats (604) and does left and right sides translational motion along fairlead (602); Described binding clip device (7) includes fine setting oil cylinder (701), main binding clip (702), auxiliary binding clip (703) and auxilliary pincers seats (704), this main binding clip (702) is fixed on the main pincers seats (604), the cylinder body of fine setting oil cylinder (701) is fixed on the cylinder body of left and right sides translation oil cylinder (603), auxilliary pincers seats (704) are fixed on the piston rod of fine setting oil cylinder (701), auxiliary binding clip (703) is fixed on the auxilliary pincers seats (704), and this fine setting oil cylinder (701) drives auxilliary pincers seats (704) and together main binding clip (702) done relative motion in company with auxiliary binding clip (703).
2. pipe blade assembling machine for rectangular shield according to claim 1, it is characterized in that: the lifting pedestal (301) of described prime lifting appliance (3) is an inverted U-shaped part, respectively be provided with the guide pillar (303) of an axis on its two side arm along brachium, be installed with two parallel guide pin bushings (205) on slewing equipment (2), this guide pillar (303) sleeve is gone in the guide pin bushing (205) so that the motion that promotes pedestal (301) is play the guiding role; The translating base arm (401) of described front and back translating devices (4) also is an inverted U-shaped part, respectively be provided with the guide rod (403) of two axis normal on its two side arm in brachium, promote on two sidewalls of pedestal (301) and respectively be provided with the guide hole (304) of two axis normal in brachium, this guide rod (403) sleeve is gone in the guide hole (304) and is play the guiding role with the motion to translating base arm (401); Respectively be provided with a upright guide peg (503) on two bases (501) of described lifting appliance (5), respectively be provided with the pilot hole (404) of an axis along brachium on two side arms of translating base arm (401), this guide peg (503) sleeve is gone in the pilot hole (404) and is play the guiding role with the motion to two bases (501); Be installed with two parallel leads (705) on the auxilliary pincers seats (704) of described binding clip device (7), this lead (705) sleeve is gone in the endoporus of fairlead (602) and is play the guiding role with the motion to auxilliary pincers seats (704).
3. pipe blade assembling machine for rectangular shield according to claim 1 and 2, it is characterized in that: described slewing equipment (2) includes supporting base (201), bearing (202), rotating disk (203) and drive unit (204), this supporting base (201) is fixed on the bearing (1), the outer ring of bearing (202) is fixed in the endoporus of supporting base (201), its inner ring and rotating disk (203) Joint, drive unit (204) are fixed on the inner housing of shield machine and drive rotating disk (203) rotation.
4. pipe blade assembling machine for rectangular shield according to claim 1 is characterized in that: its quantity is two, and they are installed in the same shield machine mutually side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100253496A CN100410491C (en) | 2006-03-31 | 2006-03-31 | Pipe blade assembling machine for rectangular shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100253496A CN100410491C (en) | 2006-03-31 | 2006-03-31 | Pipe blade assembling machine for rectangular shield |
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| Publication Number | Publication Date |
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| CN1821546A CN1821546A (en) | 2006-08-23 |
| CN100410491C true CN100410491C (en) | 2008-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100253496A Expired - Fee Related CN100410491C (en) | 2006-03-31 | 2006-03-31 | Pipe blade assembling machine for rectangular shield |
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| CN (1) | CN100410491C (en) |
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| CN105401959A (en) * | 2015-12-30 | 2016-03-16 | 江苏银旭隧道机械有限公司 | Segment grabbing device |
| CN106223967B (en) * | 2016-09-20 | 2017-08-25 | 中铁工程装备集团有限公司 | A kind of great burying rectangle or class rectangle tunneling shield constructing device and method |
| CN106522987A (en) * | 2016-12-16 | 2017-03-22 | 上海隧道工程有限公司 | Telescopic single mechanical arm duct piece splicing machine for rectangular shield |
| CN107100642B (en) * | 2017-05-08 | 2018-02-27 | 中铁工程装备集团有限公司 | The pipe sheet assembling system and assembling method for shield of being healed up applied to rectangle |
| CN106979014B (en) * | 2017-05-08 | 2018-03-20 | 中铁工程装备集团有限公司 | Earth pressure balance rectangle heals up Suporting structure and construction |
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| CN1821546A (en) | 2006-08-23 |
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