CN203669877U - Shield tunneling machine starting device with adjustable seal in matched mode - Google Patents
Shield tunneling machine starting device with adjustable seal in matched mode Download PDFInfo
- Publication number
- CN203669877U CN203669877U CN201320800387.XU CN201320800387U CN203669877U CN 203669877 U CN203669877 U CN 203669877U CN 201320800387 U CN201320800387 U CN 201320800387U CN 203669877 U CN203669877 U CN 203669877U
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- shield machine
- cylindrical shell
- cylinder body
- auxiliary cylinder
- seal
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Abstract
The utility model discloses a shield tunneling machine starting device with an adjustable seal in a matched mode. The shield tunneling machine starting device with the adjustable seal in the matched mode comprises a barrel arranged on a bottom frame, wherein the bottom frame is provided with a starting well embedded steel plate connection plate; a tunnel portal connection flange is arranged at the front end of the barrel; a shield tunneling machine supporting device is arranged on the surface of the inner side of the barrel; the tail of the barrel is connected with a partial segment in an overlap joint mode; the overlap joint position of the barrel and the partial segment is provided with the rubber seal. As the barrel, the partial segment, a tunnel portal and a shield can form a closed cavity, when the sealing of the tunnel portal is damaged, pressure of an excavation face can be effectively prevented from leaking, and spillage, flowing and collapse are prevented. Meanwhile, when water bursts or pressure is too large on the excavation face, the sealing capacity of the rubber seal can be enhanced by screwing, sealing and compressing bolts, collapse caused when a shield tunneling machine drives into a reinforcement area can be avoided, and construction risk and construction cost are lowered greatly.
Description
Technical field
The utility model relates to a kind of shield-tunneling construction equipment, relates in particular to a kind of initiating device for shield machine of being furnished with adjustable sealing.
Background technology
At present, shield construction is very general at home.In shield construction, the stage the most rambunctious is and starts and receive.Tradition starts technique for first portal termination being reinforced, and portal sealing is installed at portal place, then cuts portal, and shield machine enters stabilization zone, seal and the soil pressure that stops shield machine excavation face that contacts of shield body and section of jurisdiction the sedimentation on control earth's surface by portal.But in the time of practical application, when shield machine enters portal, often destroy portal sealing, cause spillage.If on the too high stratum of hydraulic pressure, drift sand stratum, termination reinforces unsatisfactory to the fixation of the soil body, and the phenomenon such as a large amount of water bursts easily occur, gush when shield machine sails stabilization zone into causes and subsides.
Summary of the invention
The purpose of this utility model is to provide a kind of initiating device for shield machine of being furnished with adjustable sealing, and it causes and subside can avoid shield machine to sail stabilization zone into time, guarantees construction safety, reduces construction risk and construction cost.
The utility model adopts following technical proposals:
A kind of initiating device for shield machine of being furnished with adjustable sealing, comprise underframe, on underframe, be provided with cylindrical shell, underframe both sides are provided with starting well pre-embedded steel slab junction plate, barrel front end is provided with portal adpting flange, cylindrical shell inner surface is provided with shield machine bracing or strutting arrangement, and cylindrical shell afterbody is overlapped with negative endless tube sheet, and cylindrical shell and negative endless tube oblique cut grafting part are provided with rubber sealing device.
Described bracing or strutting arrangement adopts and supports square steel, supports on square steel and is provided with the anti-roll locating slot of shield machine.
Described rubber sealing device comprises by set bolt and is arranged on the junction plate on cylindrical shell afterbody, on junction plate, be provided with seal compression bolt fixed head, in gap between seal compression bolt fixed head and negative endless tube sheet, rubber seal and sealing block are horizontally disposed with, on seal compression bolt fixed head, be horizontally disposed with seal compression bolt, seal compression bolt drives sealing block extruding rubber seal.
Described cylindrical shell is in axial direction assembled by multistage auxiliary cylinder body, and adjacent two cross-talk cylindrical shells utilize flange to be bolted, and are provided with rubber pad between flange.
Described auxiliary cylinder body along continuous straight runs is divided into auxiliary cylinder body and lower auxiliary cylinder body, and upper auxiliary cylinder body and lower auxiliary cylinder body utilize flange to be bolted, and are provided with rubber pad between flange.
Described cylindrical shell is steel cylinders.
Cylindrical shell in the utility model, negative endless tube sheet can form an airtight cavity with portal and shield body, in the time of portal bad seals, can effectively stop excavation face pressure to leak, mortar leakage prevention, the generation of gushing and subsiding.Meanwhile, when excavation face a large amount of water bursts or pressure occurs when excessive, also can strengthen by tightening seal compression bolt the sealability of rubber seal, can avoid shield machine to sail stabilization zone into time, cause and subside, greatly reduce construction risk and construction cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of cylindrical shell described in the utility model;
Fig. 3 is the structural representation of rubber sealing device described in the utility model;
Fig. 4 is the structural representation of shield machine bracing or strutting arrangement described in the utility model.
The specific embodiment
As shown in Figures 1 to 4, the initiating device for shield machine of being furnished with adjustable sealing described in the utility model comprises underframe 1, on underframe 1, be provided with cylindrical shell, underframe 1 both sides are provided with starting well pre-embedded steel slab junction plate, starting well pre-embedded steel slab junction plate can be connected with the pre-embedded steel slab of starting well by set bolt 2, can be fixed with pre-buried steel plate in starting well; Barrel front end is provided with portal adpting flange 3, cylindrical shell inner surface is provided with shield machine bracing or strutting arrangement, shield machine bracing or strutting arrangement is for reducing the friction between shield machine shield body and cylindrical shell, bracing or strutting arrangement can adopt and support square steel 4, support on square steel 4 and be provided with the anti-roll locating slot of shield machine, the anti-roll locating slot of shield machine coordinates with the alignment pin 5 arranging on shield machine, alignment pin 5 can be released to shield body and be stuck in the anti-roll locating slot of shield machine, to prevent that shield machine from rotating rolling occurs with cutterhead.Cylindrical shell afterbody is overlapped with negative endless tube sheet 6, cylindrical shell and negative endless tube sheet 6 overlaps are provided with rubber sealing device 7, rubber sealing device 7 comprises by set bolt 8 and is arranged on the junction plate 9 on cylindrical shell afterbody, on junction plate 9, be provided with seal compression bolt fixed head 10, in gap between seal compression bolt fixed head 10 and negative endless tube sheet 6, rubber seal 11 and sealing block 12 are horizontally disposed with, on seal compression bolt fixed head 10, be horizontally disposed with seal compression bolt 13, seal compression bolt 13 drives sealing block 12 to push rubber seal 11, in the time gushing with water burst phenomenon, tighten seal compression bolt 13, carry out sealing by the compressed capability that increases rubber seal 11.
For the ease of transportation and assembling, cylindrical shell is in axial direction assembled by multistage auxiliary cylinder body, and adjacent two cross-talk cylindrical shells utilize flange to be bolted, and are provided with rubber pad between flange.Every cross-talk cylindrical shell along continuous straight runs is divided into auxiliary cylinder body 14 and lower auxiliary cylinder body 15, and upper auxiliary cylinder body 14 and lower auxiliary cylinder body 15 utilize flange to be bolted, and are provided with rubber pad between flange.Cylindrical shell of the present utility model is steel cylinders.
When the utility model starts work, concrete operation step is as follows:
A: be fixed on underframe 1 after the lower auxiliary cylinder body 15 of multistage auxiliary cylinder body is connected by flange, adopt rubber seal between flange, and the starting well pre-embedded steel slab junction plate on underframe 1 is fixed on starting well pre-embedded steel slab by starting well pre-embedded steel slab set bolt 2;
B: shield machine main frame is positioned in the lower auxiliary cylinder body 15 of the multistage auxiliary cylinder body fixing;
C: the upper auxiliary cylinder body 14 of front end cylindrical shell is connected with the lower auxiliary cylinder body 15 of front end cylindrical shell by flange, adopts rubber seal between flange, and abolish portal;
D: the upper auxiliary cylinder body of front end cylindrical shell 14 is connected with portal by portal adpting flange 3, and adopts rubber seal between portal adpting flange 3 and portal;
E: the upper auxiliary cylinder body 14 of multistage cylindrical shell is installed successively by flange, is adopted rubber seal between flange;
D: will bear endless tube sheet 6 and be overlapped on cylindrical shell tail end, cylindrical shell and negative endless tube sheet 6 overlaps are provided with rubber sealing device 7;
F: the alignment pin arranging on shield machine 5 is released to shield body, be stuck in and support in the anti-roll locating slot of shield machine arranging on square steel 4, prevent that shield machine from rotating rolling occurs with cutterhead;
G: control shield machine and start assembled negative endless tube sheet 6, and push ahead;
H: enter into behind stabilization zone when shield machine leaves cylindrical shell, the alignment pin arranging on shield machine 5 is drawn back to shield body inner side.
The utility model in use, after negative ring is assembled, portal, shield body, negative endless tube sheet 6 and the initiating device for shield machine of being furnished with adjustable sealing described in the utility model will form an airtight cavity, in the time of portal bad seals, can effectively stop excavation face pressure to leak, mortar leakage prevention, the generation of gushing and subsiding.Meanwhile, when excavation face a large amount of water bursts or pressure occurs when excessive, also can strengthen by tightening seal compression bolt 13 sealability of rubber seal 11.The utility model, by using steel cylinders and rubber seal 11 to control the pressure before portal, greatly reduces construction risk and construction cost.
Above embodiment is only for illustrating preferential embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; in the ken possessing at described field those of ordinary skill; any modification of doing within spirit of the present utility model and principle, be equal to and substitute and improvement etc., within it all should be encompassed in the technical scheme scope of the utility model request protection.
Claims (6)
1. is furnished with the initiating device for shield machine of adjustable sealing for one kind, it is characterized in that: comprise underframe, on underframe, be provided with cylindrical shell, underframe both sides are provided with starting well pre-embedded steel slab junction plate, barrel front end is provided with portal adpting flange, cylindrical shell inner surface is provided with shield machine bracing or strutting arrangement, and cylindrical shell afterbody is overlapped with negative endless tube sheet, and cylindrical shell and negative endless tube oblique cut grafting part are provided with rubber sealing device.
2. the initiating device for shield machine of being furnished with adjustable sealing according to claim 1, is characterized in that: described bracing or strutting arrangement adopts and supports square steel, supports on square steel and is provided with the anti-roll locating slot of shield machine.
3. the initiating device for shield machine of being furnished with adjustable sealing according to claim 1 and 2, it is characterized in that: described rubber sealing device comprises by set bolt and is arranged on the junction plate on cylindrical shell afterbody, on junction plate, be provided with seal compression bolt fixed head, in gap between seal compression bolt fixed head and negative endless tube sheet, rubber seal and sealing block are horizontally disposed with, on seal compression bolt fixed head, be horizontally disposed with seal compression bolt, seal compression bolt drives sealing block extruding rubber seal.
4. the initiating device for shield machine of being furnished with adjustable sealing according to claim 3, it is characterized in that: described cylindrical shell is in axial direction assembled by multistage auxiliary cylinder body, adjacent two cross-talk cylindrical shells utilize flange to be bolted, and are provided with rubber pad between flange.
5. the initiating device for shield machine of being furnished with adjustable sealing according to claim 4, it is characterized in that: described auxiliary cylinder body along continuous straight runs is divided into auxiliary cylinder body and lower auxiliary cylinder body, upper auxiliary cylinder body and lower auxiliary cylinder body utilize flange to be bolted, and are provided with rubber pad between flange.
6. the initiating device for shield machine of being furnished with adjustable sealing according to claim 5, is characterized in that: described cylindrical shell is steel cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800387.XU CN203669877U (en) | 2013-12-05 | 2013-12-05 | Shield tunneling machine starting device with adjustable seal in matched mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800387.XU CN203669877U (en) | 2013-12-05 | 2013-12-05 | Shield tunneling machine starting device with adjustable seal in matched mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203669877U true CN203669877U (en) | 2014-06-25 |
Family
ID=50966188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800387.XU Withdrawn - After Issue CN203669877U (en) | 2013-12-05 | 2013-12-05 | Shield tunneling machine starting device with adjustable seal in matched mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203669877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628892A (en) * | 2013-12-05 | 2014-03-12 | 中铁隧道装备制造有限公司 | Shield machine starting device with adjustable seal |
| CN104533464A (en) * | 2014-12-17 | 2015-04-22 | 中国神华能源股份有限公司 | Device and method for positioning and installing portal steel ring |
-
2013
- 2013-12-05 CN CN201320800387.XU patent/CN203669877U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628892A (en) * | 2013-12-05 | 2014-03-12 | 中铁隧道装备制造有限公司 | Shield machine starting device with adjustable seal |
| CN104533464A (en) * | 2014-12-17 | 2015-04-22 | 中国神华能源股份有限公司 | Device and method for positioning and installing portal steel ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20151007 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |