CN203702156U - Device for assisting shield tunneling machine in reaching receiving position - Google Patents
Device for assisting shield tunneling machine in reaching receiving position Download PDFInfo
- Publication number
- CN203702156U CN203702156U CN201420052429.0U CN201420052429U CN203702156U CN 203702156 U CN203702156 U CN 203702156U CN 201420052429 U CN201420052429 U CN 201420052429U CN 203702156 U CN203702156 U CN 203702156U
- Authority
- CN
- China
- Prior art keywords
- rear end
- flange
- cylindrical shell
- end cap
- sleeve
- 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.)
- Expired - Lifetime
Links
- 230000005641 tunneling Effects 0.000 title abstract 2
- 230000007704 transition Effects 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 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 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Abstract
The utility model relates to a device for assisting a shield tunneling machine in reaching a receiving position. According to the device, a bottom frame is welded to the bottom of a cylindrical cylinder, a rear end cover is a planar cover, a flange on the edge of the rear end cover is connected with a flange at one end of the cylinder through a bolt, a transition connecting ring is connected with the end, opposite to the rear end cover, of the cylinder through a flange and is used for being connected with a tunnel portal annular plate, a feed and discharge gate, a pressure gauge and a grouting and exhausting hole provided with a valve are arranged on the rear end cover, a counterforce frame of a back-leaning assembly is used for being welded to an embedded part on a construction plant, an inclined strut is located on the side, opposite to a sleeve, of the counterforce frame, is supported by a prefabricated rigid part on the construction plant, and abuts against the counterforce frame, the part between the counterforce frame and the rear end cover at one end of the cylinder is supported firmly by a supporting pillar, a conveying pipeline of a padding assembly extends to a feed inlet in the upper side of the cylinder from the ground, and the conveying pipeline is connected with the cylinder flange.
Description
Technical field
The utility model relates to shielding tunnel excavator and reaches the servicing unit of reception.
Background technology
Along with the develop rapidly of national economy and the continuous quickening of urbanization process, urban track traffic has also obtained developing on an unprecedented scale, and shield construction becomes the first-selected engineering method of Urban Metro Construction with its safety and high efficiency.But ever-changing due to engineering geology, the engineering risk that shield construction faces is also not of uniform size, and especially, at shield launching with while arriving, the engineering risk of facing has become one of important risk source in whole work progress.In the numerous arrival engineering accidents that occurred, the most common in the fine sand layer that portal geological conditions is poor stability, transmission coefficient is large, water content is abundant, although taked relevant portal reinforcement measure, in this stratum, there is the seepage accident that even portal caves in when arrival still of common occurrence.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of servicing unit and the auxiliary reception construction method that receive, engineering risk being faced to reduce shield construction of arriving for shield machine.
For solving the problems of the technologies described above, the utility model provides a kind of shield machine to arrive the servicing unit of receiving position, be characterized in comprising sleeve, recliner assembly and filler conveying assembly, sleeve comprises cylindrical shell, rear end cap and transition connecting ring, cylindrical shell is cylindric and bottom welding under(-)chassis, rear end cap is plane cover, rear end cap edge flange and cylindrical shell termination flange are with bolts, transition connecting ring is connected with one end in contrast to rear end cap of cylindrical shell by flange, transition connecting ring is for being connected with portal ring flat-plate, input and output material gate is set on rear end cap, pressure meter and the note plasma discharge hole with valve, recliner assembly comprises reaction frame, bracing element and support column, reaction frame is for welding with construction plant built-in fitting, bracing element is positioned at the side in contrast to sleeve of reaction frame and is supported on the prefabricated rigid member in construction plant and against this reaction frame, between the described rear end cap of the end of reaction frame and cylindrical shell, is firmly supported by support column, described filler assembly comprises the funnel of setting on the ground and the transfer pipeline from ground configuration, and this transfer pipeline extends to the charging aperture of described cylindrical shell upside from ground, and this transfer pipeline is connected with described shell flange.
Described servicing unit, its further feature is, described cylindrical shell divides multistage, each section assembled by upper and lower halves, between upper and lower halves, established by sealing mat pad, and connected by flange, between each section, also pad is established sealing mat and is connected by flange, and the periphery of cylindrical shell is welded with longitudinally and the gusset of hoop.
Described servicing unit, its further feature is that described rear end cap is also formed by connecting by flange by upper and lower halves, and on rear end cap, is welded with in length and breadth crossing I shape steel part, is welded with stressed plate in I shape steel part intersection.
Described servicing unit, its further feature is, has more and is with valvular peephole circumferentially uniformly-spaced arranging of transition connecting ring, and described peephole is for detection of the airtight quality of portal, and stressometer is also installed on transition connecting ring, to detect the stressing conditions of transition connecting ring.
Described servicing unit, its further feature is that described reaction frame is many Two bors d's oeuveres i iron.
By form airtight pot container in arrival received well, fill full filler internal and external pressure balance effect when realizing shield machine and arriving by inside, water sand flow can effectively stop arrival time loses, thereby reduces the engineering risk that shield construction faces.
Brief description of the drawings
The above and other feature of the present utility model, character and advantage are by by becoming more obvious below in conjunction with the description of drawings and Examples, wherein:
Fig. 1 is the front view of the cylindrical shell of the sleeve of the servicing unit of an embodiment of the utility model.
Fig. 2 is the right view of the cylindrical shell of the sleeve of the servicing unit of an embodiment of the utility model.
Fig. 3 is the schematic diagram of the rear end cap of the sleeve of the servicing unit of an embodiment of the utility model.
Fig. 4 is the sectional drawing along A-A line in Fig. 3.
Fig. 5 is the schematic diagram of the transition connecting ring of the cylindrical shell of the servicing unit of an embodiment of the utility model.
Fig. 6 is the schematic diagram of the recliner assembly of the servicing unit of an embodiment of the utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail; set forth in the following description more details so that fully understand the utility model; but the utility model obviously can be implemented with the multiple alternate manner that is different from this description; those skilled in the art can do similar popularization, deduction according to practical situations without prejudice to the utility model intension in the situation that, therefore should be with the content constraints of this specific embodiment protection domain of the present utility model.
Fig. 1 to Fig. 6 draws according to the condition of equal proportion, and should be using this as the protection domain of the utility model actual requirement is construed as limiting.
In embodiment of the present utility model, the servicing unit that arrives receiving position for shield machine comprises sleeve, recliner assembly and filler conveying assembly.Filler conveying assembly does not illustrate in the accompanying drawings, but can understand easily in conjunction with explanation below.Sleeve is generally Steel material, and shown in Fig. 1 to Fig. 5, recliner assembly is shown in Figure 6.
As shown in Figures 1 to 5, sleeve comprises cylindrical shell 1, rear end cap 2 and transition connecting ring 3.
Cylindrical shell 1 in an embodiment of the present utility model, long 10m, internal diameter 6800mm.As shown in Figure 1, cylindrical shell 1 is divided into four section 11,12,13,14, and every section to be divided into upper and lower halves assembled.The material of cylindrical shell 1 rolls and forms with steel plate, and the periphery welding of cylindrical shell 1 is indulged, the webbed gusset of hoop gusset shape, to ensure the rigidity of cylindrical shell.The termination of every section of cylindrical shell 11,12,13,14 and upper and lower halves circular arc mating face are all welded to connect flange, and the flange between upper and lower halves junction and two sections of cylindrical shells is all with bolts, and centre adds compressible rubber pad as sealing mat.
Correspondingly, divide four making at the under(-)chassis 4 of the cylindrical shell 1 bottom also hop count of corresponding cylindrical shell 1.Under(-)chassis 4 welds together with cylindrical shell 1 bottom.
Rear end cap 2 is plane cover, on rear end cap 2, is welded with i iron, and as shown in Figure 3 and Figure 4, vertical, horizontal i iron 24,25 intersects to be arranged, and at each intersection point place welding stressed plate 23.The edge flange of rear end cap 2 and the termination flange of sleeve are with bolts.
As shown in Figure 5, the length of transition connecting ring 3 can be adjusted according to the length of shield structure received well, portal ring flat-plate (the portal part of corresponding shield-tunneling construction, do not illustrate in the drawings) freeze and be connected (circumferential position of welding position as shown in Reference numeral 31) with 3 employings of transition connecting ring, the flange end of sleeve 1 and transition connecting ring 3 are with bolts.There are multiple peepholes (each peephole mounting ball valve) at transition connecting plate circumferential position, are used for checking portal airtight quality.On the transition connecting ring 3 of sleeve, stressometer is installed, to detect the stressing conditions of transition connecting ring.In the time carrying out weld job, the interior temporary supporting 32 that arranges of transition connecting ring 3.
As shown in Figure 1, directly over being positioned on second segment 12 on sleeve 1, establish charging aperture 121, for backfill in sleeve, what do not illustrate in the drawings is, filler conveying assembly comprises the funnel of setting on the ground and the transfer pipeline from ground configuration, this transfer pipeline extends to the charging aperture 121 of cylindrical shell 1 upside from ground, this transfer pipeline is connected with described shell flange.
As shown in Figure 3, at rear end cap 2,1 input and output material gate 21 is set, 1 pressure meter, 2 band ball valve note plasma discharge holes 22, the backfill that the dregs that portal cuts for the second time and shield structure finish receiving rear final residual need to transport from input and output material gate 21, multiple ball valves is installed for pressure release and the use that discharges water at sleeve top.
As shown in Figure 6, recliner assembly comprises reaction frame 3, bracing element 32 and support column 31.Reaction frame 3 adopts 3 i iron Two bors d's oeuveres compositions, abuts against on the crossbeam of base plate 5, adopts 6 steel pipes to do bracing element 32, is supported on base plate Prefabricated Concrete block of wood 33 built-in fitting firm welding on the bottom of reaction frame 3 and base plate.
In conjunction with the explanation of aforementioned servicing unit, carry out the description of shield machine arrival sleeve auxiliary reception construction process below, it comprises the following steps:
(1) processing sleeve, before sleeve installation, its circularity of reply, sealing, weld seam check;
(2) main part connects
1. before installing sleeve, first determine and receive shield body center line, the sleeve alignment axis of transferring from ground is placed.
2. one section of sleeve upper and lower half is put well after rubber gasket, tighten connecting bolt, connecting portion sealing all adopts rubber seal.
(3) rear end cap connects
Between back shroud and cylindrical shell, add after rubber seal, tighten on sleeve rear flange with bolt.
(4) sleeve location
Every section of sleeve lifting is directly put to tunnel axis after going into the well, and as need, fine setting adopts hydraulic jack and crane to coordinate adjustment, until join with leading portion sleeve, and keep tunnel center line and sleeve centerline not to depart from.
(5) reaction frame is installed
Reaction frame adopts i iron Two bors d's oeuveres composition, abuts against on end well cross member, adopts steel pipe to do bracing element, and bracing element is supported on base plate Prefabricated Concrete block of wood, reaction frame bottom and base plate built-in fitting firm welding.The upper and lower uniform multiple tracks support column of reaction frame and rear end cap stressed plate hold out against, and between support column and reaction frame, pad and weld with support voussoir.
(6) being connected of the transition connecting plate of sleeve and portal ring flat-plate
After reaction frame is mounted to, through measurement group to center line repetition measurement, confirm errorless after, portal ring flat-plate and transition connecting plate are welded.After the transition connecting plate of sleeve contacts with portal ring flat-plate, check that whether two planes all closely connected, have gap fill steel plate and with rebound firm welding, should ensure welding continuous sealing.
(7) installation of cylindrical shell upper support
After sleeve and portal ring flat-plate have welded, check after confirmation, cylindrical shell upper support is installed, and the every limit of sleeve arranges multiple tracks cross binding altogether, and being supported on is on the middle plate-girder of constructing.
(8) sleeve and agent structure be connected and fixing
After reaction frame has been reinforced, carry out pre-embedded steel slab welding on sleeve under(-)chassis and base plate.
(9) portal cuts
Portal cuts front reply reinforcing body quality and tests, and reinforcing body quality must reach designing requirement, and checks by the horizontal inspecting hole of portal, and reinforcing body continuous whole and anhydrous sand flow go out, and can carry out portal and cut.
(10) leak check
After sleeve has been assembled, in cylindrical shell, add water and check its sealing, cylindrical shell center hydraulic pressure is 0.3Mpa, if in 12 hours, pressure remains on 0.28Mpa, can meet sleeve and receive requirement, if be less than 0.28Mpa, find out leakage part, check and repair its airtight quality, and then carry out pressure testing, until meet pressure testing requirement.
(11) mortar pedestal
Bottom sleeve, within the scope of 60 °, build the C20 mortar pedestal that 17.5cm is thick.
(12) filler
After sleeve checks, with diameter be 609mm steel pipe to filler in sleeve, filler adopts the shield driving good sand of mobility out, if desired the soil body is improved, the mobility of the enhancing soil body, the dregs amount of inserting is with till filling up sleeve.
Although the utility model with preferred embodiment openly as above, it is not for limiting the utility model, and any those skilled in the art, not departing from spirit and scope of the present utility model, can make possible variation and amendment.Therefore, every content that does not depart from technical solutions of the utility model, any amendment, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, within all falling into the protection domain that the utility model claim defines.
Claims (5)
1. shield machine arrives the servicing unit of receiving position, it is characterized in that, comprise sleeve, recliner assembly and filler conveying assembly, sleeve comprises cylindrical shell, rear end cap and transition connecting ring, cylindrical shell is cylindric and bottom welding under(-)chassis, rear end cap is plane cover, rear end cap edge flange and cylindrical shell termination flange are with bolts, transition connecting ring is connected with one end in contrast to rear end cap of cylindrical shell by flange, transition connecting ring, for being connected with portal ring flat-plate, arranges input and output material gate, pressure meter and the note plasma discharge hole with valve on rear end cap; Recliner assembly comprises reaction frame, bracing element and support column, reaction frame is for welding with construction plant built-in fitting, bracing element is positioned at the side in contrast to sleeve of reaction frame and is supported on the prefabricated rigid member in construction plant and against this reaction frame, between the described rear end cap of the end of reaction frame and cylindrical shell, is firmly supported by support column; Described filler assembly comprises the funnel of setting on the ground and the transfer pipeline from ground configuration, and this transfer pipeline extends to the charging aperture of described cylindrical shell upside from ground, and this transfer pipeline is connected with described shell flange.
2. servicing unit as claimed in claim 1, it is characterized in that, described cylindrical shell divides multistage, each section assembled by upper and lower halves, between upper and lower halves, established by sealing mat pad, and connected by flange, between each section, also pad is established sealing mat and is connected by flange, and the periphery of cylindrical shell is welded with longitudinally and the gusset of hoop.
3. servicing unit as claimed in claim 1, is characterized in that, described rear end cap is also formed by connecting by flange by upper and lower halves, and on rear end cap, is welded with in length and breadth crossing I shape steel part, is welded with stressed plate in I shape steel part intersection.
4. servicing unit as claimed in claim 1, it is characterized in that, have more and be with valvular peephole circumferentially uniformly-spaced arranging of transition connecting ring, described peephole is for detection of the airtight quality of portal, and stressometer is also installed on transition connecting ring, to detect the stressing conditions of transition connecting ring.
5. servicing unit as claimed in claim 1, is characterized in that, described reaction frame is many Two bors d's oeuveres i iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052429.0U CN203702156U (en) | 2014-01-26 | 2014-01-26 | Device for assisting shield tunneling machine in reaching receiving position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052429.0U CN203702156U (en) | 2014-01-26 | 2014-01-26 | Device for assisting shield tunneling machine in reaching receiving position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702156U true CN203702156U (en) | 2014-07-09 |
Family
ID=51052611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420052429.0U Expired - Lifetime CN203702156U (en) | 2014-01-26 | 2014-01-26 | Device for assisting shield tunneling machine in reaching receiving position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702156U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405405A (en) * | 2014-09-29 | 2015-03-11 | 武汉船用机械有限责任公司 | Tail structure of shield tunneling machine and manufacturing method of tail structure of shield tunneling machine |
| CN104806254A (en) * | 2014-01-26 | 2015-07-29 | 宏润建设集团股份有限公司 | Auxiliary device for shield tunneling machine to reach receiving position and auxiliary receiving construction method |
| CN104929655A (en) * | 2015-05-31 | 2015-09-23 | 中铁一局集团有限公司 | Method for reducing subway shield tunnel portal construction risks |
| CN105464671A (en) * | 2015-12-16 | 2016-04-06 | 中铁工程装备集团机电工程有限公司 | Light steel sleeve for receiving shield |
| CN106285693A (en) * | 2016-08-31 | 2017-01-04 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of shield steel bushing airtight reception construction method |
| CN107152285A (en) * | 2017-04-28 | 2017-09-12 | 淮安市中球盾构技术服务有限公司 | For shield launching and the servicing unit of reception |
-
2014
- 2014-01-26 CN CN201420052429.0U patent/CN203702156U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806254A (en) * | 2014-01-26 | 2015-07-29 | 宏润建设集团股份有限公司 | Auxiliary device for shield tunneling machine to reach receiving position and auxiliary receiving construction method |
| CN104405405A (en) * | 2014-09-29 | 2015-03-11 | 武汉船用机械有限责任公司 | Tail structure of shield tunneling machine and manufacturing method of tail structure of shield tunneling machine |
| CN104929655A (en) * | 2015-05-31 | 2015-09-23 | 中铁一局集团有限公司 | Method for reducing subway shield tunnel portal construction risks |
| CN105464671A (en) * | 2015-12-16 | 2016-04-06 | 中铁工程装备集团机电工程有限公司 | Light steel sleeve for receiving shield |
| CN106285693A (en) * | 2016-08-31 | 2017-01-04 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of shield steel bushing airtight reception construction method |
| CN106285693B (en) * | 2016-08-31 | 2018-10-19 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of closed reception construction method of shield steel bushing |
| CN107152285A (en) * | 2017-04-28 | 2017-09-12 | 淮安市中球盾构技术服务有限公司 | For shield launching and the servicing unit of reception |
| CN107152285B (en) * | 2017-04-28 | 2017-12-26 | 淮安市中球盾构技术服务有限公司 | For shield launching and the servicing unit of reception |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |