CN110173271A - A kind of rectangular pipe jacking machine shield body of reducing - Google Patents

A kind of rectangular pipe jacking machine shield body of reducing Download PDF

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Publication number
CN110173271A
CN110173271A CN201910513650.9A CN201910513650A CN110173271A CN 110173271 A CN110173271 A CN 110173271A CN 201910513650 A CN201910513650 A CN 201910513650A CN 110173271 A CN110173271 A CN 110173271A
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CN
China
Prior art keywords
shield body
module
rectangular pipe
pipe jacking
basic module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910513650.9A
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Chinese (zh)
Other versions
CN110173271B (en
Inventor
刘伟
罗红梅
张浩文
李恒
梅元元
郑军
匡腾蛟
陈鑫
段天文
白江涛
周元毅
焦俊奇
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China Railway Engineering Service Co Ltd
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China Railway Engineering Service Co Ltd
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Priority to CN201910513650.9A priority Critical patent/CN110173271B/en
Publication of CN110173271A publication Critical patent/CN110173271A/en
Application granted granted Critical
Publication of CN110173271B publication Critical patent/CN110173271B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/03Driving non-circular tunnels
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08Making 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08Making 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
    • E21D9/0874Making 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 rotary drilling heads having variable diameter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028Laying or reclaiming pipes on land, e.g. above the ground in the ground
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The present invention relates to push-bench technical fields, more particularly to a kind of rectangular pipe jacking machine shield body of reducing, a kind of rectangular pipe jacking machine shield body of reducing of the invention uses modularized design, and each individually shield body basic module includes independent transmission mechanism mounting base, motor mount and correction oil cylinder structure.Its shield body basic module is divided into periphery shield body basic module and intermediate shield body basic module, and the rectangular pipe jacking machine for needing size is combined by module connection.High strength exploitation is used between module and module, whole circle sealing ring is set on joint face, effectively avoid need to excavate other sectional dimensions tunnel then need to redesign customization one new rectangular pipe jacking machine shield body cause new equipment customization the period it is long, expense is expensive, thus the problem of causing the extension and construction cost raising of construction period.

Description

A kind of rectangular pipe jacking machine shield body of reducing
Technical field
The present invention relates to push-bench technical field more particularly to a kind of rectangular pipe jacking machine shield bodies of reducing.
Background technique
Push-bench technology, which has become, at present constructs the urban tunnel constructions such as subterranean railway, telecommunications, electric power, upper and lower water course Main construction method.But current Rectangular Tunnel sectional dimension lacks mandatory specification, and the tunnel sectional dimension of various demands is more, And single size can not the rectangular pipe jacking machine of variable diameter can only excavate fixed-size tunnel.Fixed-size rectangular pipe jacking machine exists The tunnel that just cannot excavate other sectional dimensions behind the tunnel of a certain sectional dimension again is excavated, the idleness of equipment, the wasting of resources are caused. Tunnel if you need to excavate other sectional dimensions then needs to redesign one new rectangular pipe jacking machine shield body of customization.However new equipment The customization period is long, and expense is expensive, to cause the extension and construction cost raising of construction period.
Summary of the invention
For the problems of in the prior art, the rectangular pipe jacking machine shield body of a kind of reducing provided by the present invention, Can the tunnel through the invention to different interface dimensions construct, effectively avoid the excavation mentioned in the prior art other Need to customize caused by a new rectangular pipe jacking machine shield body that the customization period is long, and construction cost is high when the tunnel of sectional dimension again The problem of.
Technical scheme is as follows:
A kind of rectangular pipe jacking machine modularization cutterhead of reducing, including by least two pairs individual rectangle cutterhead base modules The complete rectangular cutterhead pedestal being composed, so as to variable diameter is realized on the four direction up and down based on tunnel, institute Cutterhead mounting hole there are two being respectively provided in each independent rectangle cutterhead base module is stated, is protruded into described two cutterhead mounting holes There is the rear axle of the single connecting rod crankshaft with movable knife disc rotation, the front end axis of the single connecting rod crankshaft is mounted on speed reducer, subtracts Fast machine is mutually installed with motor rotary shaft again, so that speed reducer can be transmitted power to by motor, then will be moved by speed reducer Power is transferred to single connecting rod crankshaft to rotate with movable knife disc;One layer of shell is set in the rear axle of the single connecting rod crankshaft, it should Shell is fixed in cutterhead base module, is set with roller bearing in the rear axle of the single connecting rod crankshaft, and by roller Bearing is fixed on the enclosure interior of rear axle suit.
Further, a thrust is set with far from one end of cutterhead base module in the rear axle of the single connecting rod crankshaft Bearing, the thrust bearing are fixed on the enclosure interior of rear axle periphery suit.
The front end of two single connecting rod crankshafts in two cutterhead mounting holes for being inserted into same cutterhead base module respectively Axis both passes through same installation set, and there are two the through-holes passed through for front end axis for setting in the installation set, and pacify in the through-hole Equipped with roller bearing, so that roller bearing is sleeved on the axis of front end.
One layer of shell is set on the front end axis of the single connecting rod crankshaft, the shell installation being set on the axis of front end is fixed Spacer ring, thrust axis are successively set with to one end far from installation set close to one end of installation set in installation set, and in front end axis It holds and roller bearing.By spacer ring by the thrust bearing being set on the roller bearing installed in installation set through-hole and front end axis every It opens.
Further, for easy to process and easy-to-mount purpose, an end cap, end cap are set on the front end axis It is bolted between the shell of front end axis, end cap is close to the roller bearing being sleeved on the axis of front end far from installation set One end, the diameter that the internal diameter of end cap is greater than front end axis are less than the outer diameter of roller bearing, effectively prevent roller bearing preceding It holds and occurs the displacement on the shaft length direction of front end on axis, and be provided with oil filler point on the end cap.
Further, the end cap is also equipped with speed reducer connector sleeve, speed reducer connection far from one end of installation set Set is mounted on the shell of speed reducer by bolt.
Preferably, the present invention is using four pairs of individual rectangle cutterhead base module Side by side groupings at complete rectangular cutterhead base Seat.
Further, it to be stronger convenient for single unit system of the invention, is welded between each cutterhead base module It is connected to connected spoke.
Preferably, three connected spokes are welded between the adjacent cutterhead base module, be located at two it is adjacent Both ends and middle position between cutterhead base module.
A kind of rectangular pipe jacking machine modularization cutterhead of reducing to mention convenient for the present invention applies to shield-tunneling construction field In, therefore the present invention also provides a kind of rectangular pipe jacking machine shield bodies of reducing.
A kind of rectangular pipe jacking machine shield body of reducing, including the complete shield being composed of at least two pairs of shield body basic modules Body structure, so that it can realize four up and down based on tunnel by adjusting the installation gap between shield body basic module Variable diameter on direction, the shield body basic module are divided into periphery shield body basic module and intermediate shield body basic module, periphery shield body Basic module includes two shield body base panels for being mutually perpendicular to installation, and intermediate shield body basic module includes a shield body base surface Plate;The transmission mechanism installation for being installed vertically on shield body base panel is provided with close to one end of cutterhead in the shield body basic module Plate leads the through-hole for installing installation set on the transmission mechanism mounting plate, and in shield body basic module close to shield body basis It is provided at position in the middle part of module for pacifying motorized mounting base, and set in shield body basic module far from one end of cutterhead It is equipped with correction oil cylinder mounting plate, is led on the correction oil cylinder mounting plate and is used to that correction oil cylinder, the shield body are installed there are two through-hole Basic module is reserved with hinge eyes mounting surface far from one end of cutterhead.
Further, in the biography of the transmission mechanism mounting plate of the periphery shield body basic module and another shield body basic module The semicircle cambered surface of indent and the quadrant cambered surface of indent are provided on the face that dynamic mechanism's installing plate is in contact, so that playing two The semicircle cambered surface that a shield body basic module combines two indent forms a complete manhole, and four shield body basic modules are assembled The arc surface of four a quarters forms a complete spiral shell machine hole afterwards, and makes manhole be located at shield body height after the completion of assembly Central horizontal line on, spiral shell machine hole is located at the one end in closely face.
Further, multiple add is provided between motorized mounting base to for pacifying in the transmission mechanism mounting plate Strengthening tendons plate, and multiple stiffener plates are also equipped between the mounting base for installing motor and correction oil cylinder mounting plate.
Preferably, it is respectively arranged with connecting plate at the position that two adjacent shield body basic modules are in contact, is passed through Two connecting plates are bolted to fixed two adjacent shield body basic modules.
Further, it is provided on the contact surface for the connecting plate that described two adjacent shield body basic modules are in contact close Seal.
Further, the degree of stability of the rectangular pipe jacking machine shield body of a kind of reducing of the invention after guaranteeing variable diameter Under, it further include diameter-varying module, the diameter-varying module is arranged between two adjacent shield body basic modules, and in diameter-varying module It is arranged there are two being bolted between the connecting plate respectively connecting plate of the shield body basic module adjacent with diameter-varying module both ends, And sealing ring is provided on its joint face.
Further, stiffener plate is provided between two connecting plates of the diameter-varying module.
Further, perching knife is disposed with along the periphery of shield body close to one end of excavation face in the complete shield body structure.
It is preferably, of the invention to be composed complete shield body structure by four pairs of shield body basic modules,
Beneficial effects of the present invention: the present invention by the way that cutterhead pedestal is divided into multiple modules, so as to by module it Between combinational gap it is expanding realize cutterhead, in the cutterhead mounting hole by being arranged in cutterhead base module, thus by cutterhead It is mounted on transmission mechanism, so that the reducing for realizing cutterhead excavates, so that the present invention is under certain expanding size It realizes expanding excavation, avoids when the tunnel to other sizes excavates, need to remanufacture construction caused by cutterhead The problem that period is long and construction cost is high, and the present invention also provides a kind of rectangular pipe jacking machine shield bodies of reducing to cooperate A kind of rectangular pipe jacking machine modularization cutterhead of reducing, so that the cutterhead of reducing to be directly assembled to the rectangular top of variable progress In pipe machine shield body i.e. can be used, avoid push-bench in the prior art cannot achieve variable diameter excavation, to various sizes of tunnel into Row excavate when need to remanufacture the rectangular pipe jacking machine to match with its tunnel size, thus caused by construction cost height and construction week The problem of phase length.
Detailed description of the invention
Fig. 1 is the installation relation schematic diagram between single cutterhead base module and driving of the invention;
Fig. 2 is inventive drive means schematic diagram of internal structure;
Fig. 3 is complete cutterhead pedestal schematic diagram of the invention;
Fig. 4 be it is of the invention it is expanding after complete cutterhead pedestal schematic diagram;
Fig. 5 is push-bench schematic diagram of internal structure of the invention;
Fig. 6 is periphery shield body basic module schematic diagram of the invention;
Fig. 7 is intermediate shield body basic module schematic diagram of the invention;
Fig. 8 is diameter-varying module schematic diagram of the invention;
Fig. 9 is complete shield body schematic diagram of the invention;
Figure 10 be it is of the invention it is expanding after shield body schematic diagram;
Description of symbols: 101. cutterhead base modules 101;102. single connecting rod crankshaft;103. installation set;104. slowing down Machine;105. motor;106. rear axle;107. shell;108. roller bearing;109. thrust bearing;110. front end axis;111. every Ring;112. speed reducer connector sleeve;113. end cap;114. connected spoke;201. periphery shield body basic modules;202. connecting plate; 203. correction oil cylinder;204. hinge eyes mounting surfaces;205. spiral shell machine holes;206. correction oil cylinder mounting plates;207. mounting base;208. plus Strengthening tendons plate;The semicircle cambered surface of 209. indents;The quadrant cambered surface of 210. indents;211. shield body base panels;212. variable diameter Module;213. intermediate shield body basic modules;214. manhole;215. transmission mechanism mounting plates;216. perching knife.
Specific embodiment
The present invention will be further described below in conjunction with the drawings of the specification.
It is done specifically in conjunction with the rectangular pipe jacking machine modularization cutterhead of attached drawing 1 to a kind of 4 pairs of attached drawing reducings of the invention It is bright, a kind of rectangular pipe jacking machine modularization cutterhead of reducing, including by least two pairs 101 groups of base module of individual rectangle cutterheads Complete rectangular cutterhead pedestal made of conjunction, so as to variable diameter is realized on the four direction up and down based on tunnel, it is described It is respectively provided in each individually rectangle cutterhead base module 101 there are two cutterhead mounting hole, is stretched in described two cutterhead mounting holes Enter the rear axle 106 for having the single connecting rod crankshaft 102 with movable knife disc rotation, the front end axis 110 of the single connecting rod crankshaft 102 is mounted on On speed reducer 104, speed reducer 104 is mutually installed with 105 shaft of motor again, so that can be by motor 105 by power transmission Single connecting rod crankshaft 102 is transmitted power to speed reducer 104, then by speed reducer 104 to rotate with movable knife disc;The Dan Lian One layer of shell 107 is set in the rear axle 106 of bar crankshaft 102, which is fixed in cutterhead base module 101, It is set with roller bearing 108 in the rear axle 106 of the single connecting rod crankshaft 102, and roller bearing 108 is fixed on rear axle Inside the shell 107 of 106 suits.
Further, it is set in the rear axle 106 of the single connecting rod crankshaft 102 far from one end of cutterhead base module 101 There is a thrust bearing 109, the thrust bearing 109 is fixed on inside the shell 107 of 106 periphery suit of rear axle.
Two single connecting rod crankshafts 102 in two cutterhead mounting holes for being inserted into same cutterhead base module 101 respectively Front end axis 110 both pass through same installation set 103, setting is logical there are two passing through for front end axis 110 in the installation set 103 Hole, and roller bearing 108 is installed in the through-hole, so that roller bearing 108 is sleeved on front end axis 110.
It is set with one layer of shell 107 on the front end axis 110 of the single connecting rod crankshaft 102, is set on front end axis 110 Shell 107 is fixed in installation set 103, and in front end axis 110 close to one end of installation set 103 to separate installation set 103 One end be successively set with spacer ring 111, thrust bearing 109 and roller bearing 108.It will be in 103 through-hole of installation set by spacer ring 111 The thrust bearing being set on the roller bearing 108 of installation and front end axis 110 separates.
Further, for easy to process and easy-to-mount purpose, an end cap is set on the front end axis 110 113, it is bolted between end cap 113 and the shell 107 of front end axis 110, end cap 113 is close to be sleeved on front end axis 110 On the one end of roller bearing 108 far from installation set 103, the diameter that the internal diameter of end cap 113 is greater than front end axis 110 is less than roller The outer diameter of bearing 108 effectively prevents roller bearing 108 and occurs along 110 length direction of front end axis on front end axis 110 Displacement, and oil filler point is provided on the end cap 113.
Further, the end cap 113 is also equipped with speed reducer connector sleeve 112 far from one end of installation set 103, subtracts Fast machine connector sleeve 112 is mounted on the shell 107 of speed reducer 104 by bolt.
Preferably, the present invention is using four pairs of individual 101 Side by side groupings of rectangle cutterhead base module at complete rectangular cutterhead Pedestal.
Further, to be stronger convenient for single unit system of the invention, between each cutterhead base module 101 It is welded with connected spoke 114.
Preferably, three connected spokes 114 are welded between the adjacent cutterhead base module 101, are located at two Both ends and middle position between a adjacent cutterhead base module 101.
Most highly preferred embodiment of the invention is described in detail in conjunction with attached drawing 3.
As shown in Fig. 3, the present invention is assembled into complete rectangle knife using four pairs of individual rectangle cutterhead base modules 101 Disk pedestal, four pairs of individual rectangle cutterhead base modules 101 are a pair of, Mei Duiju above and below the height in assembly based on tunnel Shape cutterhead base module 101 is arranged side by side, and there are two cutterhead mounting holes for setting in each of which rectangle cutterhead base module 101, only Cross cutterhead in the prior art or star-like cutterhead or other kinds of cutterhead need to be reduced certain ratio or manufactured It is mounted separately in cutterhead mounting hole again, gap when by adjusting each rectangle cutterhead base module 101 in assembly, And connected by connected spoke 114, the variable diameter of cutterhead pedestal is realized, so that being mounted on the knife in cutterhead base module 101 The digging diameter of disk becomes larger, to realize the variable diameter of cutterhead.
A kind of rectangular pipe jacking machine modularization cutterhead of reducing to mention convenient for the present invention applies to shield-tunneling construction field In, therefore the present invention also provides a kind of rectangular pipe jacking machine shield bodies of reducing.
It is described in detail in conjunction with the rectangular pipe jacking machine shield body of attached drawing 1 to a kind of 10 pairs of attached drawing reducings of the invention, one The rectangular pipe jacking machine shield body of kind reducing includes the complete shield body structure being composed of at least two pairs of shield body basic modules, so that It can realize the change on the four direction up and down based on tunnel by adjusting installation gap between shield body basic module Diameter, the shield body basic module are divided into periphery shield body basic module 201 and intermediate shield body basic module 213, periphery shield body basis Module 201 includes two shield body base panels 211 for being mutually perpendicular to installation, and intermediate shield body basic module 213 includes a shield body Base panel 211;It is provided in the shield body basic module close to one end of cutterhead and is installed vertically on shield body base panel 211 Transmission mechanism mounting plate 215 leads the through-hole for installing installation set 103 on the transmission mechanism mounting plate 215, and in shield body Basic module is provided with the mounting base 207 for installing motor 105 at the position in the middle part of shield body basic module, and in shield Body basic module is provided with correction oil cylinder mounting plate 206 far from one end of cutterhead, leads on the correction oil cylinder mounting plate 206 useful In the through-hole of installation correction oil cylinder 203, the shield body basic module is reserved with hinge eyes mounting surface 204 far from one end of cutterhead.
Further, in the transmission mechanism mounting plate 215 of the periphery shield body basic module 201 and another shield body basis mould The semicircle cambered surface 209 of indent and the quadrant of indent are provided on the face that the transmission mechanism mounting plate 215 of block is in contact Cambered surface 210, so that the semicircle cambered surface 209 of two indent forms a complete manhole when two shield body basic module combinations 214, the quadrant cambered surface 210 of four indents forms a complete spiral shell machine hole 205 after four shield body basic modules are assembled, And it is located at manhole 214 on the central horizontal line of shield body height, spiral shell machine hole 205 is located at close to ground One end.
Further, it is set in the transmission mechanism mounting plate 215 between the mounting base 207 for installing motor 105 It is equipped with multiple stiffener plates 208.
Preferably, it is respectively arranged with connecting plate 202 at the position that two adjacent shield body basic modules are in contact, is led to It crosses and is bolted two connecting plates 202 to fixed two adjacent shield body basic modules.
Further, it is respectively provided on the contact surface for the connecting plate 202 that described two adjacent shield body basic modules are in contact There is sealing ring.
Further, the degree of stability of the rectangular pipe jacking machine shield body of a kind of reducing of the invention after guaranteeing variable diameter Under, it further include diameter-varying module 212, the diameter-varying module 212 is arranged between two adjacent shield body basic modules, and in variable diameter It is arranged that there are two the connecting plates of the shield body basic module adjacent with 212 both ends of diameter-varying module respectively of connecting plate 202 in module 212 It is bolted between 202, and is provided with sealing ring on its joint face.
Further, stiffener plate 208 is provided between two connecting plates 202 of the diameter-varying module 212.
Further, perching knife is disposed with along the periphery of shield body close to one end of excavation face in the complete shield body structure 216。
With reference to the accompanying drawing 9 and a kind of rectangular pipe jacking machine shield body of reducing that is previously mentioned of 10 couples of present invention of attached drawing it is optimal Embodiment is described in detail.
The present invention carries out being assembled into a complete rectangular pipe jacking machine shield body using four pairs of shield body basic modules, using two pairs Periphery shield body basic module 201 and two pairs of intermediate shield body basic modules 213 carry out being assembled into a complete rectangular pipe jacking machine shield Body is arranged side by side between each pair of shield body module specifically, the height of the shield body basic module based on tunnel is a pair up and down, Two pairs of intermediate shield body basic modules 213 are set between two pairs of periphery shield body basic modules 201, between each of which shield body basic module Fixation is bolted, so as to form complete rectangular pipe jacking machine shield body, when variable diameter need to only adjust each shield body basis mould Gap between block, then diameter-varying module 212 is installed between two shield body basic modules, the shield body of rectangular pipe jacking machine can be realized Variable diameter.
It 1 is described in detail with reference to the accompanying drawing to 10 pairs of rectangular pipe jacking machines of the invention of attached drawing, a kind of reducing Rectangular pipe jacking machine includes a kind of rectangular pipe jacking machine module for the reducing being mounted in a kind of rectangular pipe jacking machine shield body of reducing Change cutterhead, the motor being arranged on a kind of rectangular pipe jacking machine modularization cutterhead of reducing is mounted on described one kind In the mounting base 207 of the rectangular pipe jacking machine shield body of reducing, and the installation set 103 is fixed on transmission mechanism mounting plate On 215, each cutterhead base module 101 and each shield body basic module are being subjected to assembling combination, to form a kind of reducing Rectangular pipe jacking machine.

Claims (9)

1. a kind of rectangular pipe jacking machine shield body of reducing, which is characterized in that including being combined by least two pairs of shield body basic modules and At complete shield body structure so that it can be realized by adjusting installation gap between shield body basic module based on the upper of tunnel Variable diameter on the four direction of lower left and right, the shield body basic module are divided into periphery shield body basic module (201) and intermediate shield body base Plinth module (213), periphery shield body basic module (201) includes two shield body base panels (211) for being mutually perpendicular to installation, intermediate Shield body basic module (213) includes a shield body base panel (211);It is set in the shield body basic module close to one end of cutterhead It is equipped with the transmission mechanism mounting plate (215) for being installed vertically on shield body base panel (211), the transmission mechanism mounting plate (215) On lead through-hole for installing installation set 103, and set at the position in the middle part of shield body basic module in shield body basic module It is equipped with the mounting base (207) for installing motor 105, and one end of cutterhead is provided with correction oil in shield body basic module Cylinder mounting plate (206) leads the through-hole for installing correction oil cylinder (203), the shield on the correction oil cylinder mounting plate (206) Body basic module is reserved with hinge eyes mounting surface (204) far from one end of cutterhead.
2. a kind of rectangular pipe jacking machine shield body of reducing as described in claim 1, which is characterized in that the periphery shield body basis The transmission mechanism mounting plate (215) of module (201) is in contact with the transmission mechanism mounting plate (215) of another shield body basic module The semicircle cambered surface (209) of indent and the quadrant cambered surface (210) of indent are provided on face, so that two shield body basis moulds The semicircle cambered surface (209) of two indent forms a complete manhole (214) when block combines, and four shield body basic modules are assembled The quadrant cambered surface (210) of four indents forms a complete spiral shell machine hole (205) afterwards, and makes people after the completion of assembly Hole (214) is located on the central horizontal line of shield body height, and spiral shell machine hole (205) is located at close to the one end on ground.
3. a kind of rectangular pipe jacking machine shield body of reducing as described in claim 1, which is characterized in that the transmission mechanism installation Plate (215) is provided with multiple stiffener plates (208) between the mounting base (207) for installing motor 105.
4. a kind of rectangular pipe jacking machine shield body of reducing as described in claim 1, which is characterized in that two adjacent shields Connecting plate (202) are respectively arranged at the position that body basic module is in contact, be bolted two connecting plates (202) to Fixed two adjacent shield body basic modules.
5. a kind of rectangular pipe jacking machine shield body of reducing as claimed in claim 4, which is characterized in that described two adjacent shields Sealing ring is provided on the contact surface for the connecting plate (202) that body basic module is in contact.
6. a kind of rectangular pipe jacking machine shield body of reducing as described in claim 1, which is characterized in that in the complete shield body knot Structure is disposed with perching knife 216 along the periphery of shield body close to one end of excavation face.
7. a kind of rectangular pipe jacking machine shield body of reducing as described in claim 1, which is characterized in that use four pairs of shield body bases Module carries out being assembled into a complete rectangular pipe jacking machine shield body, two pairs of periphery shield body basic modules (201) and two pairs of intermediate shields Body basic module (213) carries out being assembled into a complete rectangular pipe jacking machine shield body, and the shield body basic module is based on tunnel Height is a pair of, arranged side by side between each pair of shield body module, two pairs of setting between two pairs of periphery shield body basic modules (201) up and down Fixation is bolted between each of which shield body basic module in intermediate shield body basic module (213).
8. a kind of rectangular pipe jacking machine shield body of reducing as described in any right item of claims 1 to 7, which is characterized in that institute Stating rectangular pipe jacking machine shield body further includes diameter-varying module (212), and diameter-varying module (212) setting is on two adjacent shield body bases Between module, and there are two connecting plate (202) are adjacent with diameter-varying module (212) both ends respectively for setting on diameter-varying module (212) Shield body basic module connecting plate (202) between be bolted, and be provided with sealing ring on its joint face.
9. a kind of rectangular pipe jacking machine shield body of reducing as claimed in claim 8, which is characterized in that the diameter-varying module (212) stiffener plate (208) are provided between two connecting plates (202).
CN201910513650.9A 2019-06-14 2019-06-14 Diameter-variable rectangular shield body of push bench Active CN110173271B (en)

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Application Number Priority Date Filing Date Title
CN201910513650.9A CN110173271B (en) 2019-06-14 2019-06-14 Diameter-variable rectangular shield body of push bench

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Application Number Priority Date Filing Date Title
CN201910513650.9A CN110173271B (en) 2019-06-14 2019-06-14 Diameter-variable rectangular shield body of push bench

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CN110173271A true CN110173271A (en) 2019-08-27
CN110173271B CN110173271B (en) 2024-02-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN114320332A (en) * 2021-12-10 2022-04-12 深圳市东深工程有限公司 Push bench with variable push bench diameter and using method thereof

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