CN207048783U - Shield launching construction system - Google Patents
Shield launching construction system Download PDFInfo
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- CN207048783U CN207048783U CN201720008095.0U CN201720008095U CN207048783U CN 207048783 U CN207048783 U CN 207048783U CN 201720008095 U CN201720008095 U CN 201720008095U CN 207048783 U CN207048783 U CN 207048783U
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- shield
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- construction system
- alignment pin
- hole
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Abstract
Shield launching construction system is the utility model is related to, it includes work well head, the portal treated shield tunnel, treat shield tunnel of design and positioned at the shield direction soil layer stabilization zone treated above shield tunnel；It is arranged on the outer fence of work well head upper end surrounding and reinforcing pile, at least three is laterally distributed in the rotary churning pile of the emergent dewatering well at the soil layer stabilization zone of shield direction and ten arrangement above at the soil layer stabilization zone of shield direction.It is the utility model is designed reasonably, compact-sized and easy to use.
Description
Technical field
It the utility model is related to shield launching construction system.
Background technology
At present, as China urban construction and development, light rail subway turn into the necessary auxiliary facility in city, and with building light rail
Iron must use shield tunnel, wherein, the shield launching construction system of shield tunnel is the starting point key of whole Tunnel Engineering, such as
The shield launching construction system what designs optimization rational in infrastructure turns into the technical problem for being badly in need of solving.
Utility model content
For the above, technical problem to be solved in the utility model be generally speaking to provide it is a kind of it is reasonable in design,
Cost is cheap, durable, safe and reliable, simple to operate, time saving and energy saving, saving fund, compact-sized and easy to use shield
Structure originates construction system；The technical problem and acquirement beneficial effect solved in detail is in aftermentioned content and with reference to specific embodiment party
Content specifically describes in formula.
To solve the above problems, technical solution adopted in the utility model is：
A kind of shield launching construction system, including work well head, design the portal treated shield tunnel, treat shield tunnel with
And positioned at the shield direction soil layer stabilization zone treated above shield tunnel；Also include the outer fence for being arranged on work well head upper end surrounding
Emergent dewatering well at the soil layer stabilization zone of shield direction is laterally distributed in reinforcing pile, at least three and ten arrangement above exist
Rotary churning pile at the soil layer stabilization zone of shield direction.
Further improvement as above-mentioned technical proposal：
The material of rotary churning pile is more than 42.5 grades of Portland cement, must not be less than per linear meter(lin.m.) cement consumption
300kg, the ratio of mud of cement mortar is 1：1~1：1.5.
The unconfined compressive strength of shield direction soil layer stabilization zone after rotary churning pile reinforcing is not less than 2.0mpa and/or infiltration
Coefficient cannot be greater than 10-7cm/s.
In a period of portal abolishes first five day to assembled 3 endless tube pieces completion, precipitation is provided with emergent dewatering well.
Sampling observation drilling is provided with rotary churning pile；With sampling observation drilling rotary churning pile quantity for the total radical of rotary churning pile 1% with
Above and must not be less than 3.
The sampling observation drilling is uniformly distributed in the soil layer stabilization zone of shield direction, and the sampling observation drilling, which must not be located at, treats shield
Tunnel upper.
The sampling observation bore diameter is Ф 50mm；Set in the sampling observation drilling using the closure of M10 cement mortar complete opening.
9 horizontal inspecting holes are provided with portal, horizontal inspecting hole depth is 1.5m-2m, and horizontal inspecting hole aperture is 50mm-
60mm。
Horizontal grouting is provided with the serious horizontal inspecting hole of leak.
It is provided with reaction frame corresponding with originating shield machine and originates bracket active well is intraoral；
Adjustment ground cushion is provided with below bracket originating；
Reaction frame includes the hollow out riser being vertically arranged, the counter-force alignment pin being horizontally set on hollow out riser and setting
On hollow out riser and for positioning the counter-force positioner clamped to counter-force alignment pin；
Counter-force alignment pin is uniformly arranged and corresponding with originating shield machine on hollow out riser, is symmetrically set on counter-force alignment pin
It is equipped with left wedged hole and right wedged hole；
Counter-force positioner includes the left adjustment positioner of structure identical and right adjustment positioner；Left adjustment positioning dress
Put and be symmetricly set on right adjustment positioner at left and right sides of hollow out riser,
Right adjustment positioner includes founding the fixed guide block on side after being horizontally set on the hollow out riser right side and fixes tail
Frame, moving direction and the vertically disposed radial regulation device of counter-force alignment pin, locking tightening nut and it is horizontally set on hollow out
Wear-resisting fixed cover on riser；Counter-force alignment pin moves axially in wear-resisting fixed cover interior edge hollow out riser, and fixed guide block is with consolidating
Determine tailstock to be arranged in parallel；
It is 1 that radial regulation device, which includes gradient,：1000-1：25000 movable tapered wedge body, it is arranged on movable tapered wedge body afterbody
Movable tailstock, be arranged on the activity-oriented head on movable tapered wedge body head and one end is arranged on radially-directed on movable tailstock
Locking screw；Movable tapered wedge body is located at the homonymy of fixed tailstock with radially-directed locking screw, and activity-oriented head is cylindric knot
Structure, activity-oriented head are inserted into the through hole of corresponding fixed guide block, and corresponding movable tapered wedge body is inserted into accordingly respectively
In left wedged hole and right wedged hole, movable tapered wedge body passes through corresponding fixed tailstock, is provided with fixed tailstock and radial direction
The radial hole of locking screw adaptation is oriented to, radially-directed locking screw is connected after passing through radial hole with locking tightening nut；
It is 1 ° -5 ° to originate the upper surface of bracket and the angle α of horizontal plane, along the direction for originating shield machine advance, is originated
The upper surface of bracket gradually rises；The top of counter-force alignment pin is socket cap, the summit line shape of the socket cap of counter-force alignment pin
Into plane and perpendicular angle β be 1 ° -5 °, summit line formed plane upper end in the left side of lower end.
It is using beneficial effect caused by above-mentioned technical proposal：
The utility model is designed reasonably, the stress point for originating bracket is padded up by adjusting ground cushion, adjusted compared to tradition
Site preparation pad is overall more reasonable with ground contact process, and the upper surface linearity for originating bracket is easier to adjust, and realization originates shield
Structure machine precisely moves ahead；By hollow out riser, facilitate the installation of right lateral side face and adjustment, mitigate weight, when use, using polytetrafluoro
The wear-resisting fixed cover of ethene or brass, counter-force alignment pin are installed in wear-resisting fixed cover, by adjusting the activity of the left and right sides tiltedly
Wedge passes through fixed guide block and activity-oriented so as to more accurately adjust the exposed length on counter-force alignment pin left end summit
Head, the optical axis portion of radial hole and radially-directed locking screw realize and be radially precisely oriented to, realized by locking tightening nut it is elastic,
Coordinated respectively with left adjustment positioner, right adjustment positioner by left wedged hole, right wedged hole and realized to counter-force alignment pin
Adjustment, by the design of gradient, there is the function of self-locking skidproof, designed by angle α, when shield machine advances, automatically
Adjustment, diminishes, so as to improve forward linearity and levelness, is designed by β, the shortcomings that overcoming the amount of deflection of upper end big, when anti-
So as to improving perpendicularity after power frame stress.
The utility model is designed reasonably, cost are cheap, durable, safe and reliable, simple to operate, time saving and energy saving, saving
It is fund, compact-sized and easy to use.
The beneficial effects of the utility model not limited to this describes, in order to preferably readily appreciate, in embodiment portion
Divide and carried out more preferably detailed description.
Brief description of the drawings
Fig. 1 is the overall structural representation of the utility model.
Fig. 2 is the structural representation of the utility model portal.
Fig. 3 is the structural representation that the utility model originates shield machine.
Fig. 4 is the structural representation of the right adjustment positioner of the utility model.
Wherein：1st, shield direction soil layer stabilization zone；2nd, work well head；3rd, outer fence；4th, reinforcing pile；5th, emergent dewatering well；
6th, rotary churning pile；7th, shield tunnel is treated；8th, portal；9th, horizontal inspecting hole；10th, reaction frame；11st, bracket is originated；12nd, shield machine is originated；
13rd, ground cushion is adjusted；14th, hollow out riser；15th, counter-force positioner；16th, counter-force alignment pin；17th, left adjustment positioner；18th, it is right
Adjust positioner；19th, left wedged hole；20th, fixed guide block；21st, radial regulation device；22nd, movable tailstock；23rd, activity is oblique
Wedge；24th, activity-oriented head；25th, fixed tailstock；26th, radially-directed locking screw；27th, locking tightening nut；28th, right wedge shape
Hole；29th, wear-resisting fixed cover；30th, sampling observation drilling.
Embodiment
As Figure 1-4, this shield launching construction system, including work well head 2, design treat shield tunnel 7, treat shield
The portal 8 in tunnel 7 and positioned at the shield direction soil layer stabilization zone 1 treated above shield tunnel 7；Also include being arranged on work well head
The outer fence 3 and reinforcing pile 4, at least three of 2 upper end surroundings are laterally distributed in the emergent precipitation at shield direction soil layer stabilization zone 1
The rotary churning pile 6 of well 5 and ten arrangement above at shield direction soil layer stabilization zone 1.
The material of rotary churning pile 6 is more than 42.5 grades of Portland cement, must not be less than per linear meter(lin.m.) cement consumption
300kg, the ratio of mud of cement mortar is 1：1~1：1.5.
The unconfined compressive strength of shield direction soil layer stabilization zone 1 after the reinforcing of rotary churning pile 6 not less than 2.0mpa and/or is oozed
Saturating coefficient cannot be greater than 10-7cm/s.
In a period of portal 8 abolishes first five day to assembled 3 endless tube pieces completion, precipitation is provided with emergent dewatering well 5.
Sampling observation drilling 30 is provided with rotary churning pile 6；The quantity of rotary churning pile 6 with sampling observation drilling 30 is 6 total root of rotary churning pile
Several more than 1% and it must not be less than 3.
Sampling observation drilling 30 is uniformly distributed in shield direction soil layer stabilization zone 1, and sampling observation drilling 30, which must not be located at, treats shield tunnel
The top of road 7.
30 a diameter of Ф 50mm of sampling observation drilling；Set in sampling observation drilling 30 using the closure of M10 cement mortar complete opening.
9 horizontal inspecting holes 9 are provided with portal 8, the horizontal depth of inspecting hole 9 is 1.5m-2m, and the horizontal aperture of inspecting hole 9 is
50mm-60mm。
Horizontal grouting is provided with the serious horizontal inspecting hole 9 of leak.
Reaction frame 10 corresponding with originating shield machine 12 is provided with work well head 2 and originates bracket 11；
Adjustment ground cushion 13 is provided with below bracket 11 originating；
Reaction frame 10 includes the hollow out riser 14 being vertically arranged, the counter-force alignment pin 16 being horizontally set on hollow out riser 14
And it is arranged on hollow out riser 14 and for the counter-force positioner 15 to the positioning clamping of counter-force alignment pin 16；
Counter-force alignment pin 16 is uniformly arranged and corresponding with originating shield machine 12 on hollow out riser 14, in counter-force alignment pin 16
On be symmetrically arranged with left wedged hole 19 and right wedged hole 28；
Counter-force positioner 15 includes the left adjustment positioner 17 of structure identical and right adjustment positioner 18；Left adjustment
Positioner 17 is symmetricly set on the left and right sides of hollow out riser 14 with right adjustment positioner 18,
Right adjustment positioner 18 include being horizontally set on stand behind the right side of hollow out riser 14 fixed guide block 20 on side with
Fixed tailstock 25, moving direction and the vertically disposed radial regulation device 21 of counter-force alignment pin 16, locking tightening nut 27 and
The wear-resisting fixed cover 29 being horizontally set on hollow out riser 14；Counter-force alignment pin 16 is in the wear-resisting interior edge hollow out riser 14 of fixed cover 29
Axial movement, fixed guide block 20 be arranged in parallel with fixed tailstock 25；
It is 1 that radial regulation device 21, which includes gradient,：1000-1：25000 movable tapered wedge body 23, it is arranged on movable tapered wedge body
The movable tailstock 22 of 23 afterbodys, the activity-oriented first 24 for being arranged on the head of movable tapered wedge body 23 and one end are arranged on movable tailstock
Radially-directed locking screw 26 on 22；Movable tapered wedge body 23 is located at the same of fixed tailstock 25 with radially-directed locking screw 26
Side, activity-oriented first 24 are cylindrical-shaped structure, and activity-oriented first 24 is inserted into the through hole of corresponding fixed guide block 20, accordingly
Movable tapered wedge body 23 be inserted into respectively in corresponding left wedged hole 19 and right wedged hole 28, movable tapered wedge body 23 is through corresponding
Fixation tailstock 25, radial hole be adapted to radially-directed locking screw 26 is provided with fixed tailstock 25, radially-directed is locked
Tight leading screw 26 is connected after passing through radial hole with locking tightening nut 27；
Originate bracket 11 upper surface and horizontal plane angle α be 1 ° -5 °, along originate shield machine 12 advance direction,
The upper surface for originating bracket 11 gradually rises；The top of counter-force alignment pin 16 is socket cap, the socket cap of counter-force alignment pin 16
The plane and the angle β of perpendicular that summit line is formed are 1 ° -5 °, and the plane upper end that summit line is formed is on a left side for lower end
Side.
During using the utility model, protect work well head 2 to prevent unrelated person from entering by outer fence 3 and reinforcing pile 4, lead to
Cross before emergent dewatering well 5 carries out shield to shield direction soil layer stabilization zone 1 and conserve；Reinforced by rotary churning pile 6, drilled by inspecting by random samples
The construction quality of 30 detection rotary churning piles 6, ensures the stabilization of shield direction soil layer stabilization zone 1, passes through the horizontal inspecting hole 9 on portal 8
Monitoring observation.
The stress point for originating bracket 11 is padded up by adjusting ground cushion 13, compared to 13 overall and ground of tradition adjustment ground cushion
Face contact process is more reasonable, and the upper surface linearity for originating bracket 11 is easier to adjust, before realization originates shield machine 12 precisely
OK；By hollow out riser 14, facilitate the installation of right lateral side face and adjustment, mitigate weight, when use, using polytetrafluoroethylene (PTFE) or Huang
The wear-resisting fixed cover 29 of copper, counter-force alignment pin 16 are installed in wear-resisting fixed cover 29, by the movable tapered wedge for adjusting the left and right sides
Body 23 is led so as to more accurately adjust the exposed length on the left end summit of counter-force alignment pin 16 by fixed guide block 20 with activity
Realize to the optical axis portion of first 24, radial hole and radially-directed locking screw 26 and be radially precisely oriented to, pass through locking tightening nut 27
Realize it is elastic, by left wedged hole 19, right wedged hole 28 respectively with it is left adjustment positioner 17, it is right adjustment positioner 18 coordinate
The adjustment to counter-force alignment pin 16 is realized, by the design of gradient, there is the function of self-locking skidproof, designed by angle α, in shield
When structure machine advances, adjust automatically, diminish, so as to improve forward linearity and levelness, designed by β, overcome upper end
The shortcomings that amount of deflection is big, so as to improving perpendicularity after 10 stress of reaction frame.
The utility model is designed reasonably, cost are cheap, durable, safe and reliable, simple to operate, time saving and energy saving, saving
It is fund, compact-sized and easy to use.
The utility model, which fully describes, to be disclosed in order to more clear, and is not just being enumerated for prior art.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal
Replace；It is obvious that multiple technical schemes of the present utility model, which are combined, as those skilled in the art.And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose.
Claims (10)
1. a kind of shield launching construction system, including work well head (2), design treat shield tunnel (7), treat shield tunnel (7)
Portal (8) and positioned at the shield direction soil layer stabilization zone (1) treated above shield tunnel (7)；It is characterized in that：Also include setting
Put work well head (2) upper end surrounding outer fence (3) and reinforcing pile (4), at least three be laterally distributed in shield direction soil layer
The rotary churning pile of the emergent dewatering well (5) at stabilization zone (1) place and ten arrangement above at shield direction soil layer stabilization zone (1) place
(6)。
2. shield launching construction system according to claim 1, it is characterised in that:The material of rotary churning pile (6) is 42.5 grades
Portland cement above, 300kg must not be less than per linear meter(lin.m.) cement consumption, the ratio of mud of cement mortar is 1:1 ~1:1.5.
3. shield launching construction system according to claim 2, it is characterised in that:Shield side after rotary churning pile (6) reinforcing
It is not less than 2.0mpa to the unconfined compressive strength of soil layer stabilization zone (1) and/or infiltration coefficient cannot be greater than 10-7cm/s。
4. shield launching construction system according to claim 3, it is characterised in that:First five day is abolished to spelling in portal (8)
In a period of filling the completion of 3 endless tube pieces, precipitation is provided with emergent dewatering well (5).
5. shield launching construction system according to claim 4, it is characterised in that:Sampling observation is provided with rotary churning pile (6)
Drill (30)；Rotary churning pile (6) quantity with sampling observation drilling (30) is more than the 1% of the total radical of rotary churning pile (6) and must not be less than 3
Root.
6. shield launching construction system according to claim 5, it is characterised in that:The sampling observation drilling (30) is in shield
It is uniformly distributed in direction soil layer stabilization zone (1), the sampling observation drilling (30), which must not be located at, treats above shield tunnel (7).
7. shield launching construction system according to claim 6, it is characterised in that:Described sampling observation drilling (30) a diameter of Ф
50mm；Set in the sampling observation drilling (30) using the closure of M10 cement mortar complete opening.
8. shield launching construction system according to claim 7, it is characterised in that:9 levels are provided with portal (8)
Inspecting hole (9), horizontal inspecting hole (9) depth is 1.5m-2m, and horizontal inspecting hole (9) aperture is 50mm-60mm.
9. shield launching construction system according to claim 8, it is characterised in that:In the serious horizontal inspecting hole (9) of leak
Inside it is provided with horizontal grouting.
10. according to the shield launching construction system described in claim any one of 1-9, it is characterised in that:In work well head (2)
It is provided with reaction frame (10) corresponding with originating shield machine (12) and originates bracket (11)；
Adjustment ground cushion (13) is provided with below bracket (11) originating；
Reaction frame (10) includes the hollow out riser (14) being vertically arranged, the counter-force alignment pin being horizontally set on hollow out riser (14)
(16) and it is arranged on hollow out riser (14) and for the counter-force positioner (15) to counter-force alignment pin (16) positioning clamping；
Counter-force alignment pin (16) is uniformly arranged and corresponding with originating shield machine (12) on hollow out riser (14), in counter-force alignment pin
(16) left wedged hole (19) and right wedged hole (28) are symmetrically arranged with；
Counter-force positioner (15) includes the left adjustment positioner (17) of structure identical and right adjustment positioner (18)；Left tune
Setting device (17) is symmetricly set at left and right sides of hollow out riser (14) with right adjustment positioner (18),
Right adjustment positioner (18) is including being horizontally set on the fixed guide block (20) stood behind hollow out riser (14) right side on side
With fixed tailstock (25), moving direction and counter-force alignment pin (16) vertically disposed radial regulation device (21), locking screw spiral shell
Female (27) and the wear-resisting fixed cover (29) being horizontally set on hollow out riser (14)；Counter-force alignment pin (16) is in wear-resisting fixed cover
(29) interior edge hollow out riser (14) moves axially, and fixed guide block (20) be arranged in parallel with fixed tailstock (25)；
It is 1 that radial regulation device (21), which includes gradient,:1000-1:25000 movable tapered wedge body (23), it is arranged on movable tapered wedge body
(23) the movable tailstock (22) of afterbody, be arranged on the activity-oriented head (24) on movable tapered wedge body (23) head and one end is arranged on
Radially-directed locking screw (26) on movable tailstock (22)；Movable tapered wedge body (23) is located at radially-directed locking screw (26)
The homonymy of fixed tailstock (25), activity-oriented head (24) is cylindrical-shaped structure, and activity-oriented head (24) is inserted into corresponding fixation
In the through hole of guide pad (20), corresponding movable tapered wedge body (23) is inserted into corresponding left wedged hole (19) and right wedge shape respectively
In hole (28), movable tapered wedge body (23) is provided with and radial guiding on fixed tailstock (25) through corresponding fixed tailstock (25)
To locking screw (26) be adapted to radial hole, radially-directed locking screw (26) pass through radial hole after with locking tightening nut (27)
Connection；
Originate bracket (11) upper surface and horizontal plane angle α be 1 ° -5 °, along originate shield machine (12) advance direction,
The upper surface for originating bracket (11) gradually rises；The top of counter-force alignment pin (16) is socket cap, the circle of counter-force alignment pin (16)
The plane and the angle β of perpendicular that the summit line of column cap is formed are 1 ° -5 °, and the plane upper end that summit line is formed is in lower end
Left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720008095.0U CN207048783U (en) | 2017-01-05 | 2017-01-05 | Shield launching construction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720008095.0U CN207048783U (en) | 2017-01-05 | 2017-01-05 | Shield launching construction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207048783U true CN207048783U (en) | 2018-02-27 |
Family
ID=61489312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720008095.0U Expired - Fee Related CN207048783U (en) | 2017-01-05 | 2017-01-05 | Shield launching construction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207048783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700853A (en) * | 2019-10-31 | 2020-01-17 | 中铁十八局集团第三工程有限公司 | Shallow soil covering shield tunnel reinforcing method based on weak stratum |
| CN112879018A (en) * | 2021-01-27 | 2021-06-01 | 中铁十二局集团有限公司 | Shield construction method for water-rich silt stratum |
-
2017
- 2017-01-05 CN CN201720008095.0U patent/CN207048783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700853A (en) * | 2019-10-31 | 2020-01-17 | 中铁十八局集团第三工程有限公司 | Shallow soil covering shield tunnel reinforcing method based on weak stratum |
| CN112879018A (en) * | 2021-01-27 | 2021-06-01 | 中铁十二局集团有限公司 | Shield construction method for water-rich silt stratum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Zhihao Inventor after: Song Hongfang Inventor after: Yue Zurun Inventor after: Sun Tiecheng Inventor after: Zhang Song Inventor after: Sun Xin Inventor after: Liu Xiaohe Inventor before: Huang Jun Inventor before: Yang Wangxing Inventor before: Wang Lei Inventor before: Tao Hongjie Inventor before: Yang Bao Inventor before: Fan Yu Inventor before: Li Wanchun Inventor before: Li Baoping Inventor before: Zhang Hui |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180404 Address after: 050000 Hebei province Shijiazhuang North Second Ring Road No. 17 Patentee after: Shijiazhuang Tiedao University Address before: 101127 Beijing Tongzhou District city Tongzhou District in the home Hui Township Jufuyuan national industry development base and poly St. 2 Patentee before: China Railway 16 Bureau Group Beijing Metro Engineering Construction Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20200105 |