CN104564087B - One kind rectangular shield originate pedestal and installation method thereof - Google Patents
One kind rectangular shield originate pedestal and installation method thereof Download PDFInfo
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- CN104564087B CN104564087B CN201410837710.XA CN201410837710A CN104564087B CN 104564087 B CN104564087 B CN 104564087B CN 201410837710 A CN201410837710 A CN 201410837710A CN 104564087 B CN104564087 B CN 104564087B
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- shield
- rectangular shield
- class rectangular
- auxiliary rail
- pedestal
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000009434 installation Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 23
- 230000006872 improvement Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses class rectangular shield originates pedestal and installation method thereof, and pedestal includes: steel bracket, is fixed on shield launching active well base plate；The guide rail mechanism being arranged on steel bracket, including two backbones being set up on steel bracket, the first auxiliary rail being arranged between two backbones and be arranged at the second auxiliary rail outside two backbones, it is provided with the rigidity supporting structure for supporting class rectangular shield along shield axis direction on backbone, being provided with the elastic support structure for shoring class rectangular shield along shield axis direction on first auxiliary rail and the second auxiliary rail, the axis of rigidity supporting structure and elastic support structure all horizontal planes with the axis place of class rectangular shield intersect；For the position-limit mechanism of spacing class rectangular shield, prop up and be located on steel bracket and be positioned at outside the second auxiliary rail.Rigidity supporting structure plays the effect supporting class rectangular shield, and elastic support structure plays the effect preventing shield shell from deforming, and position-limit mechanism prevents class rectangular shield position from deflecting.
Description
Technical field
The present invention relates to tunneling shield technical field, refer in particular to a kind rectangular shield originates pedestal and installation side thereof
Method.
Background technology
Shield Method is due to less to ground structure influence, and intensity of workers is low, and mechanization degree is high,
Tunnel shape is accurate, quality advantages of higher, has become the important construction technology during urban rail transit in China is built.Shield method
Tunnel utilizes active well to make shield driving function carry out originating construction along predetermined tunnel axis and elevation location, and shield machine driving begins
Send out required counter-force to be provided by system by after shield launching.Generally comprise shield pedestal by system after shield launching and shield begins
Send out two parts of reaction frame.
The Main Function of shield launching pedestal be for safe, be accurately placed shield machine, bear shield machine self gravitation
With advance time frictional force, and ensure shield machine can assemble safely, debug and originate, the design therefore originating pedestal is necessary
There are enough intensity, rigidity and installation accuracies.When carrying out shield shaft bottom plate and packed layer construction, to be correlated with chi by pedestal in advance
Very little absolute altitude, the gradient adjusted, the connection of pre-buried good pedestal, strengthening steel slab, and reserved good shield shell welding and reaction frame column are reserved
Groove etc..
Shield pedestal is all to design for circular shield at present, and circular shield pedestal uses 2 one steel rails, and rail sleeper is with H
Shaped steel and channel-section steel are main.Using class rectangular shield to carry out shield launching, typical round shield pedestal has the disadvantage in that
1) class rectangular shield bottom transverse section is long, and only 2 one steel rails cannot accurately control axis；
2) circular shield originate the stage to the corner of shield, deflect less demanding, but class rectangular shield is to shield corner, partially
Turn required precision higher；
3) class rectangular shield shield shell rigidity, stability are not as good as circular shield, if being easily caused shield launching only with 2 one steel rails
Stage shield shell deforms.
Summary of the invention
Because the problems referred to above, the invention provides a kind rectangular shield originates pedestal, including:
Steel bracket, is fixed on the base plate of shield launching active well；
It is arranged at the guide rail mechanism on described steel bracket, including two masters being set up on described steel bracket
Rail, the first auxiliary rail being arranged between two described backbones and be arranged at the second auxiliary rail outside two described backbones, described
It is provided with multiple rigidity supporting structure for supporting described class rectangular shield, described first auxiliary rail along shield axis direction on backbone
It is provided with multiple elastic support structure for shoring described class rectangular shield, institute along shield axis direction with on described second auxiliary rail
State the axis of rigidity supporting structure and the described elastic support structure horizontal plane all with the axis place of class rectangular shield to intersect；
For the position-limit mechanism of spacing described class rectangular shield, prop up and be located on described steel bracket and be positioned at described second
Outside auxiliary rail.
Class rectangular shield of the present invention originate pedestal, played the effect of stable orbit by steel bracket, by two
The rigidity supporting structure of backbone plays and supports class rectangular shield and adjust the effect of shield machine axis, by the first auxiliary rail and second
Elastic support structure on auxiliary rail plays auxiliary and supports class rectangular shield, adjusts shield machine axis, prevents the effect that shield shell deforms,
By position-limit mechanism, the position of steel bracket with class rectangular shield is fixed, play and prevent the position of class rectangular shield from occurring partially
The effect turned.Further, each parts originating pedestal of class rectangular shield of the present invention also can realize separately dismantling, integral assembling, real
Now recycle.
Class rectangular shield of the present invention originate further improvement is that of pedestal, described elastic support structure includes:
First supports seat, is arranged on described first auxiliary rail and described second auxiliary rail；
Compression spring, is arranged at described first and supports in seat；
First arc, is arranged at described compression spring top, and described first arc stays on described class rectangular shield
Bottom.
Class rectangular shield of the present invention originate further improvement is that of pedestal, the arcwall face of described first arc and institute
The bottom arc stating class rectangular shield is suitable.
Class rectangular shield of the present invention originate further improvement is that of pedestal, described backbone includes being fixedly arranged on described backbone
On second support seat and be fixedly arranged on described second support seat top for supporting the second arc of described class rectangular shield.
Class rectangular shield of the present invention originate further improvement is that of pedestal, the arcwall face of described second arc and institute
The bottom arc stating class rectangular shield is suitable.
Class rectangular shield of the present invention originate further improvement is that of pedestal, described class rectangular shield includes two cutterheads
Device, the position of two described backbones is corresponding with the position of two described cutter heads respectively.
Class rectangular shield of the present invention originate further improvement is that of pedestal, described backbone, described first auxiliary rail and
Have between described second auxiliary rail and described class rectangular shield for manually carrying out the working place operated, described rigidity supporting structure
Height and the height of described elastic support structure suitable with the height of described working place.
Present invention also offers the installation method originating pedestal of a kind rectangular shield, including:
Position at shield launching active well inner position pedestal；
The base plate of described active well is installed steel bracket；
Described steel bracket arranges two backbones, a first auxiliary rail is set between two described backbones,
The outside of two described backbones is respectively provided with a second auxiliary rail；
Along shield axis direction, multiple rigidity supporting structure for supporting class rectangular shield, edge are set on described backbone
Shield axis direction arranges multiple for shoring described class rectangular shield on described first auxiliary rail and described second auxiliary rail
Elastic support structure, is disposed as the axis of described rigidity supporting structure and described elastic support structure and class rectangular shield
The horizontal plane at axis place intersects；
On described steel bracket and be positioned at outside described second auxiliary rail and install for spacing described class rectangular shield
Position-limit mechanism, fixes the position of described steel bracket with described class rectangular shield.
The installation method originating pedestal of class rectangular shield of the present invention, plays stable orbit by installing steel bracket
Effect, plays support class rectangular shield by installing the rigidity supporting structure of two backbones and adjusts the effect of shield machine axis,
Play auxiliary by the elastic support structure being arranged on the first auxiliary rail and the second auxiliary rail and support class rectangular shield, adjust shield
Arbor line, prevents the effect that shield shell deforms, and is fixed the position of steel bracket with class rectangular shield by installing position-limit mechanism,
Play the effect preventing the position of class rectangular shield from deflecting.
Further improvement is that of the installation method originating pedestal of class rectangular shield of the present invention, exists along shield axis direction
Multiple elastic support structure for shoring described class rectangular shield is set on described first auxiliary rail and described second auxiliary rail, bag
Include:
Described first auxiliary rail and described second auxiliary rail arrange the first support seat；
In described first supports seat, compression spring is set；
It is provided for shoring the first arc of described class rectangular shield at described compression spring top.
Further improvement is that of the installation method originating pedestal of class rectangular shield of the present invention, described backbone, described
Have for manually carrying out the working place operated between one auxiliary rail and described second auxiliary rail and described class rectangular shield, by described
The height of rigidity supporting structure and the height of described elastic support structure are set to suitable with the height of described working place.
Accompanying drawing explanation
Fig. 1 is the structural representation originating pedestal of class rectangular shield of the present invention.
Fig. 2 is the top view of the guide rail mechanism originating pedestal of class rectangular shield of the present invention.
Fig. 3 is the structural representation originating on pedestal that class rectangular shield is arranged on class rectangular shield of the present invention.
Fig. 4 is rigidity supporting structure and the enlarged diagram of elastic support structure in Fig. 1.
Fig. 5 is the installation site schematic diagram of the rigidity supporting structure originating pedestal of class rectangular shield of the present invention.
Fig. 6 is the installation site schematic diagram of the elastic support structure originating pedestal of class rectangular shield of the present invention.
Fig. 7 is the flow chart of the installation method originating pedestal of class rectangular shield of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Fig. 1 is the structural representation originating pedestal of class rectangular shield of the present invention, and Fig. 2 is the beginning of class rectangular shield of the present invention
Sending out the top view of guide rail mechanism of pedestal, Fig. 3 is that class rectangular shield is arranged on the originating on pedestal of class rectangular shield of the present invention
Structural representation.Coordinate referring to shown in Fig. 1～Fig. 3, the class rectangular shield of the present invention originate pedestal, including:
Steel bracket 10, is fixed on the base plate of shield launching active well, shown in Fig. 2, and described steel bracket
10 by complex root be perpendicular to tunnel axis direction arrange horizontal shaped steel 110 and be fixed in described horizontal shaped steel 110 and along tunnel
The complex root longitudinal direction shaped steel 120 that road axis direction is arranged forms；Steel bracket 10 primarily serves stable orbit, adjusts elevation
Effect, steel bracket 10 must have enough rigidity, intensity.
Guide rail mechanism, is arranged on described steel bracket 10, and shown in Fig. 2 Yu Fig. 3, described guide rail mechanism includes frame
Two backbones 210 being located on described steel bracket 10, the first auxiliary rail 220 being arranged between two described backbones 210 with
And it is arranged at the second auxiliary rail 230 outside two described backbones 210, described backbone 210 is provided with multiple along shield axis direction
For supporting the rigidity supporting structure 410 of described class rectangular shield 90, on described first auxiliary rail 220 and described second auxiliary rail 230
It is provided with multiple elastic support structure 420 for shoring described class rectangular shield 90, rigidity supporting structure along shield axis direction
410 and axis all horizontal planes with the axis place of class rectangular shield 90 of elastic support structure 420 intersect；Further, join
Closing referring to shown in Fig. 5 Yu Fig. 6, rigidity supporting structure 410 is arranged on backbone 210 equally spacedly, between elastic support structure 420 grade
It is arranged on the first auxiliary rail 220 and the second auxiliary rail 230 away from ground.Wherein, backbone 210 plays support class rectangular shield 90, adjusts
The effect of shield machine axis, track must be straight；First auxiliary rail 220 and the second auxiliary rail 230 play auxiliary and support class rectangular shield
90, adjust shield machine axis, prevent the effect that shield shell deforms, track must be straight.Preferably, described class rectangular shield 90 includes
Two cutter heads, the position of two described backbones 210 is corresponding with the position of two described cutter heads respectively.
For the position-limit mechanism 30 of spacing described class rectangular shield 90, prop up and be located on described steel bracket 10 and be positioned at institute
Stating the outside of the second auxiliary rail 230, position-limit mechanism 30 is for the position by described steel bracket 10 with described class rectangular shield 90
Fixing, play and prevent shield from deflecting, control the effect of shield launching stage corner.
Further, Fig. 4 is rigidity supporting structure and the enlarged diagram of elastic support structure in Fig. 1, coordinates referring to Fig. 4
Shown in, described elastic support structure 420 includes the first support seat 421, is arranged at described first auxiliary rail 220 and described second auxiliary
On rail 230；Compression spring 422, is arranged at described first and supports in seat 421；First arc 423, is arranged at described compression bullet
The top of spring 422, described first arc 423 stays on the bottom of described class rectangular shield 90.Described rigidity supporting structure 410
Seat 411 top is supported for supporting with being fixedly arranged on described second including the second support seat 411 being fixedly arranged on described backbone 210
State the second arc 412 of class rectangular shield 90.Wherein, described first arc 423 and the arc of described second arc 412
Face is suitable with the bottom arc of described class rectangular shield 90.Preferably, further in conjunction with shown in Fig. 5 Yu Fig. 6, described second arc
Plate 412 along shield axis direction elongated be arranged at multiple second and support on seat 411.Described first arc 423 is along shield axle
Line direction is arranged at multiple first elongatedly and supports on seat 421.
Further in conjunction with shown in Fig. 3, especially, described backbone 210, described first auxiliary rail 220 and described second auxiliary rail 230
And have between described class rectangular shield 90 for manually carrying out the working place 910 operated, the height of described rigidity supporting structure 410
The height of degree and described elastic support structure 420 is suitable with the height of described working place 910.
Class rectangular shield of the present invention originate pedestal, played the effect of stable orbit by steel bracket, by two
The rigidity supporting structure of backbone plays and supports class rectangular shield and adjust the effect of shield machine axis, by the first auxiliary rail and second
Elastic support structure on auxiliary rail plays auxiliary and supports class rectangular shield, adjusts shield machine axis, prevents the effect that shield shell deforms,
By position-limit mechanism, the position of steel bracket with class rectangular shield is fixed, play and prevent the position of class rectangular shield from occurring partially
The effect turned.Further, each parts originating pedestal of class rectangular shield of the present invention also can realize separately dismantling, integral assembling, real
Now recycle.
Fig. 7 is the flow chart of the installation method originating pedestal of class rectangular shield of the present invention, coordinates referring to shown in Fig. 7, this
The installation method originating pedestal of the class rectangular shield of invention, including:
S101 is in the position of shield launching active well inner position pedestal；
S102 installs steel bracket on the base plate of described active well；
S103 arranges two backbones on described steel bracket, arrange between two described backbones one first auxiliary
Rail, is respectively provided with a second auxiliary rail in the outside of two described backbones；
S104 arranges multiple rigid support knot for supporting class rectangular shield along shield axis direction on described backbone
Structure, arranges multiple for shoring described class rectangle shield on described first auxiliary rail and described second auxiliary rail along shield axis direction
The elastic support structure of structure, is disposed as the axis of described rigidity supporting structure and described elastic support structure and class rectangle shield
The horizontal plane at the axis place of structure intersects；
Wherein, arrange multiple for shoring on described first auxiliary rail and described second auxiliary rail along shield axis direction
State the elastic support structure of class rectangular shield, including:
Described first auxiliary rail and described second auxiliary rail arrange the first support seat；
In described first supports seat, compression spring is set；
It is provided for shoring the first arc of described class rectangular shield at described compression spring top；
S105 is on described steel bracket and is positioned at outside described second auxiliary rail and installs for spacing described class rectangle shield
The position-limit mechanism of structure, fixes the position of described steel bracket with described class rectangular shield.
Especially, have between described backbone, described first auxiliary rail and described second auxiliary rail and described class rectangular shield
For manually carrying out the working place operated, the height of described rigidity supporting structure and the height of described elastic support structure are set
It is set to suitable with the height of described working place.
Specifically, the installation method originating pedestal of the class rectangular shield of the present invention comprises the following steps:
1. need to measure setting-out work before installation originates pedestal, be accurately positioned and originate pedestal.
2., after originating pedestal reinforcing support, the base plate of active well is installed steel bracket and pacifies on steel bracket
Dress backbone, the first auxiliary rail and the second auxiliary rail, all smear oils and fats to subtract originating on the backbone of pedestal, the first auxiliary rail and the second auxiliary rail
Little shield is originating resistance when pushing ahead on pedestal.
3., when the section of the originating design centre line of shield tunnel is horizontal curve, and when sweep is bigger, generally will originate
The installation centrage of pedestal should be parallel to originate the tangential direction of tunnel centrage at portal headwall；The section of originating when shield tunnel
When design centre line is horizontal curve, and when sweep is less, the installation centrage generally originating pedestal should be parallel to originate hole
The secant direction of tunnel centrage at door headwall；When the section of the originating design centre line of shield tunnel is straightway, generally originate
The installation centrage of pedestal should be parallel to originate tunnel centerline direction at portal headwall.
4. the gradient (i.e. the center gradient of shield) originating pedestal should keep consistent substantially with the Tunnel Design axis gradient.Begin
Send out the location of pedestal, be considered as tunnel posterior settlement factor, generally originate the absolute altitude (i.e. shield center) of pedestal than design axis
High 15～35.
5. originate the vertical trend of pedestal with design axis vertical trend deviation answer ＜ 2 ‰, level trend deviation answer ＜ ±
3‰。
6. originating after pedestal is accurately positioned, reply originates pedestal and carries out reinforcing and support operation.By welding originating frame base
Seat is fixed on the reserved steel plate of foundation ditch concrete organization soleplate；Utilize the horizontal and vertical support of shaped steel to originate pedestal simultaneously, carry
Height originates the stability of pedestal.
7. shield is steadily installed on overall base, supports shield machine, the first auxiliary rail and second mainly by two backbones
Auxiliary rail relies on the active force of the compression spring of elastic support structure to be close to bottom class rectangular shield, plays the effect that auxiliary supports.
8. position-limit mechanism is installed on steel bracket, shield is fixed by position limiting structure with integrated steel-structure bracket,
Preventing class rectangular shield from deflecting, class rectangular shield advances along position limiting structure level and originates.
9., when portal circle and class rectangular shield cutterhead are distant, it is considered as in portal ring increasing extension rail, anti-
Only shield causes shield front end dip owing to main frame cantilever is long after pushing portal, and the length of track can not affect what portal sealed
Sealing effectiveness contacts the space after portal needed for cutterhead rotation with cutterhead, and is fixed by welding in portal steel loop, prevents hole
Extension rail in Men comes off and causes security incident.
The installation method originating pedestal of class rectangular shield of the present invention, plays stable orbit by installing steel bracket
Effect, plays support class rectangular shield by installing the rigidity supporting structure of two backbones and adjusts the effect of shield machine axis,
Play auxiliary by the elastic support structure being arranged on the first auxiliary rail and the second auxiliary rail and support class rectangular shield, adjust shield
Arbor line, prevents the effect that shield shell deforms, and is fixed the position of steel bracket with class rectangular shield by installing position-limit mechanism,
Play the effect preventing the position of class rectangular shield from deflecting.
The above is only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or repaiies
Decorations are the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technology according to the present invention is real
Any simple modification, equivalent variations and the modification that confrontation above example is made, all still falls within the scope of technical solution of the present invention
In.
Claims (10)
1. a kind rectangular shield originate pedestal, it is characterised in that including:
Steel bracket, is fixed on the base plate of shield launching active well；
It is arranged at the guide rail mechanism on described steel bracket, including two backbones being set up on described steel bracket, sets
The first auxiliary rail of being placed between two described backbones and be arranged at the second auxiliary rail outside two described backbones, on described backbone
It is provided with multiple rigidity supporting structure for supporting described class rectangular shield, described first auxiliary rail and described along shield axis direction
It is provided with multiple elastic support structure for shoring described class rectangular shield, described rigidity along shield axis direction on second auxiliary rail
The axis of supporting construction and described elastic support structure all horizontal planes with the axis place of class rectangular shield intersect；
For the position-limit mechanism of spacing described class rectangular shield, prop up and be located on described steel bracket and be positioned at described second auxiliary rail
Outside.
2. class rectangular shield as claimed in claim 1 originate pedestal, it is characterised in that described elastic support structure includes:
First supports seat, is arranged on described first auxiliary rail and described second auxiliary rail；
Compression spring, is arranged at described first and supports in seat；
First arc, is arranged at described compression spring top, and described first arc stays on bottom described class rectangular shield.
3. class rectangular shield as claimed in claim 2 originate pedestal, it is characterised in that the arcwall face of described first arc
Suitable with the bottom arc of described class rectangular shield.
4. class rectangular shield as claimed in claim 1 originate pedestal, it is characterised in that described backbone includes being fixedly arranged on described
The second support seat on backbone supports seat top for supporting the second arc of described class rectangular shield with being fixedly arranged on described second
Plate.
5. class rectangular shield as claimed in claim 4 originate pedestal, it is characterised in that the arcwall face of described second arc
Suitable with the bottom arc of described class rectangular shield.
6. class rectangular shield as claimed in claim 1 originate pedestal, it is characterised in that described class rectangular shield includes two
Cutter head, the position of two described backbones is corresponding with the position of two described cutter heads respectively.
7. class rectangular shield as claimed in claim 1 originate pedestal, it is characterised in that described backbone, described first auxiliary rail
And have between described second auxiliary rail and described class rectangular shield for manually carrying out the working place operated, described rigid support
The height of structure and the height of described elastic support structure are suitable with the height of described working place.
8. the installation method originating pedestal of a kind rectangular shield, it is characterised in that including:
Position at shield launching active well inner position pedestal；
The base plate of described active well is installed steel bracket；
Described steel bracket arranges two backbones, a first auxiliary rail is set between two described backbones, at two
The outside of described backbone is respectively provided with a second auxiliary rail；
Multiple rigidity supporting structure for supporting class rectangular shield is set on described backbone along shield axis direction, along shield
Axis direction arranges multiple elasticity for shoring described class rectangular shield on described first auxiliary rail and described second auxiliary rail
Supporting construction, is disposed as the axis of described rigidity supporting structure and described elastic support structure and the axis of class rectangular shield
The horizontal plane at place intersects；
On described steel bracket and be positioned at outside described second auxiliary rail install for spacing described class rectangular shield spacing
Mechanism, fixes the position of described steel bracket with described class rectangular shield.
9. the installation method originating pedestal of class rectangular shield as claimed in claim 8, it is characterised in that along shield axis side
To arranging multiple resilient support knot for shoring described class rectangular shield on described first auxiliary rail and described second auxiliary rail
Structure, including:
Described first auxiliary rail and described second auxiliary rail arrange the first support seat；
In described first supports seat, compression spring is set；
It is provided for shoring the first arc of described class rectangular shield at described compression spring top.
10. the installation method originating pedestal of class rectangular shield as claimed in claim 8, it is characterised in that described backbone, institute
State and have for manually carrying out the working place operated between the first auxiliary rail and described second auxiliary rail and described class rectangular shield, will
The height of described rigidity supporting structure and the height of described elastic support structure are set to the height phase with described working place
Adaptive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837710.XA CN104564087B (en) | 2014-12-28 | 2014-12-28 | One kind rectangular shield originate pedestal and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837710.XA CN104564087B (en) | 2014-12-28 | 2014-12-28 | One kind rectangular shield originate pedestal and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564087A CN104564087A (en) | 2015-04-29 |
| CN104564087B true CN104564087B (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410837710.XA Active CN104564087B (en) | 2014-12-28 | 2014-12-28 | One kind rectangular shield originate pedestal and installation method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060798B (en) * | 2017-04-25 | 2023-02-03 | 封鸿涛 | Resistance-increasing stepping guide mechanism for soil layer tunneling and method thereof |
| CN107435540B (en) * | 2017-08-11 | 2023-05-16 | 中铁工程装备集团技术服务有限公司 | But shield of fast adjustment starts and leads a device |
| CN108019212A (en) * | 2017-12-21 | 2018-05-11 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of device for preventing from twisting during shield launching |
| CN110219658B (en) * | 2019-07-25 | 2024-04-12 | 中建八局轨道交通建设有限公司 | Device for preventing shield tunneling machine from head planting and use method thereof |
| CN110439578B (en) * | 2019-09-16 | 2024-02-13 | 北京城建中南土木工程集团有限公司 | Base structure of shield tunneling machine and design method thereof |
| CN113123800B (en) * | 2021-05-14 | 2022-04-15 | 中铁十四局集团大盾构工程有限公司 | Construction method of starting base of large-diameter shield tunnel steel structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2797052B2 (en) * | 1992-12-22 | 1998-09-17 | 株式会社フジタ | Water stop structure at the start entrance of the shield machine |
| CN102758634A (en) * | 2012-08-01 | 2012-10-31 | 上海隧道工程股份有限公司 | Assembling type reaction frame device for shield launching and propulsion |
| CN104033156B (en) * | 2014-06-05 | 2016-04-06 | 同济大学 | A kind of rectangular shield duct piece installation machine |
| CN203905950U (en) * | 2014-06-10 | 2014-10-29 | 中铁建设投资集团有限公司 | Movable counterforce device used for shield-construction origination shaft |
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