CN202250095U - Forward movement propulsion device for shield machine - Google Patents
Forward movement propulsion device for shield machine Download PDFInfo
- Publication number
- CN202250095U CN202250095U CN 201120347699 CN201120347699U CN202250095U CN 202250095 U CN202250095 U CN 202250095U CN 201120347699 CN201120347699 CN 201120347699 CN 201120347699 U CN201120347699 U CN 201120347699U CN 202250095 U CN202250095 U CN 202250095U
- Authority
- CN
- China
- Prior art keywords
- shield machine
- jack
- carriage
- shield
- shield structure
- 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
Images
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model belongs to the technical field of shield machine station-passing construction equipment in shield method tunneling projects, and in particular relates to a forward movement propulsion device for a shield machine. In the device, the shield machine can safely and quickly pass a station by the simplest method; simultaneously, the effects that the device saves construction periods and costs, is convenient and quick and is easy to operate and popularize are achieved. The device comprises a propulsion part and a pushing part, wherein the propulsion part comprises oriented I-shaped steel, movement limitation I-shaped steel and a propulsion jack; the I-shaped steel is reversely buckled on a steel rail; the steel rail on the rear side of a bracket is welded with a limiter and is provided with a cushion block; and the pushing part comprises a pushing jack and uplift supporting points welded on the two sides of the bottom of a shield machine body. The utility model has the advantages that: the realized construction method is economic, simple, convenient, quick and safe, risks of moving up and down on the bracket by the shield machine are avoided, guiding platform manufacturing processes are reduced, investment is greatly saved, and the device has a high propulsion speed and saves the construction periods; simultaneously, the device has low requirements on mechanical equipment and simple, convenient and clear construction process flows, is easy to operate and is suitable for large-area popularization.
Description
Technical field
The utility model belongs to the miss the stop technical field of construction equipment of shield structure in the shield tunnel engineering, is specifically related to the shield structure through the station section and the shield structure reach propulsion plant when building the hidden construction process tunnel construction sections of completion in advance.
Background technology
In the metro construction process, shield machine is safe and efficient with it, mechanization and automaticity advantages of higher more and more are widely used, and particularly under complex working condition or complex geological condition, builds the tunnel.In the metro construction; Be convenient travelling in the future, generally shorter between Close Tunnel, station quantity is more; And the overwhelming majority is the subway station of constructing earlier in the present domestic job practices; And then the construction tunnel part, for guaranteeing the continuity and the quality of construction, generally each bid section all contains several stations.In this case, behind the intact interval of shield-tunneling construction, must get into next interval through the station of building up.
The technique on shield machine's station-crossing construction is the only stage which must be passed by in the bid section civil engineering between multi-region; It also is emphasis and difficult point stage; The technique on shield machine's station-crossing method has four kinds of methods at present; Be respectively: 1. shield machine misses the stop after disintegrating with the supporting chassis in back, and promptly shield machine separates with the supporting chassis in back, promotes or pulling shield structure main frame and chassis with extra jack or pulling equipment respectively then.2. the shield structure disintegrates fully and misses the stop, because the limited shield machine in station hangs out after will disintegrating fully again, outside well, keeps in repair the assembly unit again of then going into the well.More than this method construction period long, operating expenses is high, complex procedures, the construction operation face is bigger, safety is low.3. the shield machine integrally dragging misses the stop, and promptly shield machine is not done any dismounting, because the shield structure advances no longer segment assembly of station, does not have thrust voluntarily, can only be under the draw of external force leads to slide on the platform at the shield structure and misses the stop.Though this method is missed the stop for integral body; But it needs bigger pulling equipment; And because the inhomogeneous rolling and the sidesway that is easy to cause the shield structure of external broach, safe coefficient is low, needs pulling force equipment bigger; Also to set up constructions such as hoist engine fixed station in advance, not give full play to the advantage of shield machine self.4. the shield machine segment assembly misses the stop; This method is that the shield machine continued that gets to the station as usual advances and segment assembly; In pipe sheet assembling, set up the support of supporting section of jurisdiction in the outside of section of jurisdiction, treat that the shield structure is advanced to the precalculated position after; The shield machine that stops is removed the unnecessary section of jurisdiction in the station while keep in repair the shield structure.Though this method has been brought into play the advantage of shield machine self, does not need external equipment, the back assembly unit every endless tube sheet that enters the station all will be done external bracing, but also also will remove the unnecessary section of jurisdiction of leading on the platform after will missing the stop, not only the construction period long, and expense is higher.
The Chinese patent of applicant application, denomination of invention: shield whole self-propelled station-crossing construction method, application number: 200910074375.1, relate to a kind of shield whole self-propelled station-crossing construction method, its step is following: miss the stop and lead platform plurality of groups of reaction holes is set; Shield machine is placed the semi-ring section of jurisdiction after receiving and finishing that pushing to misses the stop and lead platform between first group of reaction holes and shield machine shield tail; In reaction holes, insert the counter-force post; Advance in the very heavy pushing tow semi-ring of shield structure section of jurisdiction, treat that shield structure jack is released a segment distance after, withdrawal shield structure jack hangs out the semi-ring section of jurisdiction, extracts the counter-force post, inserts the counter-force post in the reaction holes of adjacent next group, continues above process; Circulation advance up to the shield machine pushing tow to the precalculated position.This invention has been taken all factors into consideration shield structure intrinsic advantage and has been led the convenient advantage of platform counter-force hole post, and circulation technology is easily understood easy to operate, suits large area to popularize, and economic benefit and social benefit are very considerable.But this job practices still need be made and led platform, leads the relatives of Taiwan compatriots living on the Mainland in temporory structure, and design and construction can not carried out according to the station predetermined design, so shield machine passes through after the station, leading platform will remove, and cuts a hole gross weight then and newly builds the station base plate.So the shield structure is high at the construction cost of leading self-propelled station-crossing construction method on the platform, material and cost of labor waste.
Summary of the invention
The goal of the invention of the utility model: realize safe and efficient the missing the stop of shield structure with the most succinct method, reach simultaneously and practice thrift construction period and the convenient and swift universal effect that is prone to easy to operate of cost.
The utility model adopts following technical scheme to realize:
A kind of shield structure reach propulsion plant; Comprise propulsive units and urging portion; Propulsive units comprise the bracket front part welding of shield structure bottom guiding i iron, the welding of carriage rear portion be used to limit the limit that advances skew and move i iron and advance jack; Guiding i iron and limit are moved i iron and are tipped upside down on the rail, are welded with on the rail at carriage rear to be used to the propelling jack the spacing of the counter-force strong point is provided, and are equipped with the different cushion block of some length before spacing; What urging portion comprised the welding of pushing tow jack and shield machine body two bottom sides lifts fulcrum for the pushing tow jack provides on application point some.
The job practices that the shield structure sky that utilizes the utility model to accomplish pushes away, step is following:
1), before the shield structure arrives, welding H-bar respectively before and after the carriage, i iron tips upside down on the rail, the model and the rail of i iron are supporting;
2), the shield structure receives to enter the station and pushes to carriage, and shield machine body and carriage are welded together, shield machine body two bottom sides is welded and is lifted fulcrum on some, shield machine body and carriage weld together through wedge;
3), welding is used to the propelling jack the spacing of the counter-force strong point is provided on the rail at carriage rear;
4), with jack be placed on spacing and carriage between, advance jack to have an effect, pass carriage and shield structure and advance;
5), wait to pass distance reach advance the jack range after, advance the jack power of unloading to shrink, before spacing, add cushion block, advance jack to be supported in to continue on the cushion block to have an effect and pass carriage and shield machine advances,
6), wait to pass distance reach once more advance the jack range after, advance the jack power of unloading to shrink, change the length cushion block longer than cushion block length in the step 5), advance jack to continue to have an effect,
7), repeat above-mentioned steps 6), until the cushion block of being replaced by maximum length;
8), the withdrawal jack, take out cushion block, in shield structure both sides, make progress with the pushing tow jack and to lift fulcrum on the pushing tow, lift the disengaging rail to shield structure and carriage;
9), the rail that moves forward, to distance and the above-mentioned steps 3 between spacing and the carriage) distance between the spacing and carriage is identical;
10), repeat above-mentioned 4), 5), 6), 7), 8), 9) step, until the integral body of accomplishing shield structure and the carriage process of missing the stop.
The beneficial effect of the utility model: be that the shield structure slides along rail is whole under the thrust of jack together with carriage, guide rail, carriage, shield structure and jack form the endogenetic process system of a complete closed, the job practices economy of realization, easy, quick; Safety has been evaded the shield structure risk of carriage up and down, has saved and has led the platform production process; Practiced thrift investment greatly, and fltting speed is fast, practices thrift the duration; Plant equipment requires few simultaneously; Construction technology process is easy to be clear and easy to operate, suits large area to popularize, and economic benefit and social benefit are fairly obvious.
Description of drawings
Fig. 1 is the sketch map of welding H-bar before and after the carriage,
Fig. 2 is that the position of i iron and rail concerns sketch map,
Fig. 3 is that i iron concerns sketch map with the section that advances jack,
Fig. 4 for the welding wedge and on lift the fulcrum sketch map,
Fig. 5 is propelling jack and spacing work relationship sketch map,
Fig. 6 is the sketch map that adds the cushion block of different size in the forward engineer,
Fig. 7 lifts fulcrum lifts the shield structure together with carriage sketch map for pushing up on the pushing tow jack,
Among the figure: 1-shield structure, 2-carriage, the 3-i iron that leads, the 4-rail, 5-advances jack, the 6-wedge, the last fulcrum of lifting of 7-, 8-is spacing, the 9-cushion block, 10-pushing tow jack, the 11-limit is moved i iron.
The specific embodiment
Shield structure reach propulsion plant; Comprise propulsive units and urging portion; Propulsive units comprise the anterior welding of carriage 2 of shield structure 1 bottom guiding i iron 3, the welding of carriage 2 rear portions be used to limit the limit that advances skew and move i iron 11 and advance jack 5; Guiding i iron 3 moves i iron 11 with limit and tips upside down on the rail 4, be welded with on the rail 4 at carriage 2 rears be used to advance jack 5 provide the counter-force strong point spacing 8, spacing 8 before be equipped with the different cushion block of some length 9; What urging portion comprised the welding of pushing tow jack 10 and shield structure 1 organism bottom both sides lifts fulcrum 7 for pushing tow jack 10 provides on application point some.
The described device utilization circulation laying track of the utility model (rail) advances the shield structure in the lump together with underlying foundation (carriage) and misses the stop, and the practical implementation step is following:
(1) before the shield structure arrived, weld length was respectively the i iron of 20cm and 40cm before and after the carriage, and the model and the rail of i iron are supporting; I iron is chosen than rail size greatly and the most contiguous specification, and i iron tips upside down on rail surface, like Fig. 1, shown in 2; I iron mainly plays guiding and the spacing effect of carriage when rail is passed; Carriage squints in the process that prevents to pass, and the effect of unstability was as shown in Figure 3 when the i iron of back had concurrently and prevents that the pusher jack from having an effect.
(2) the shield structure receives to enter the station and pushes to carriage, and is welded together shield machine body and carriage with the wedge shape contiguous block behind the cleaning dregs, makes shield machine become as a whole with carriage.Weld simultaneously in the left and right sides, shield machine body bottom and to lift fulcrum on several, can be 6,8 etc., can realize shield structure and carriage stable on lift.As shown in Figure 4.
(3) one of welding is spacing on the rail at carriage rear, with thinking that jack provides the counter-force strong point.Jack be placed on spacing and shield structure carriage between, jack is had an effect, pass carriage and shield machine and advance, as shown in Figure 5.
(4) wait to pass after distance reaches the jack range, jack unloads power and shrinks, between jack and rail are spacing, change length than step (3) in the long cushion block of cushion block length, jack is had an effect and continued the passing carriage and shield machine advances, and is as shown in Figure 6.
(5) repeat (4) process, until the cushion block that changes maximum length into.
(6) the withdrawal jack takes out cushion block.In shield structure both sides, with jack make progress pushing tow be welded on shield structure side on lift fulcrum, connect carriage to shield machine and lift about 1 ~ 2cm in the lump, as shown in Figure 7.In this process, it is consistent that the jack fltting speed of both sides is wanted.
(7) move forward rail to spacing and tray chamber distance and step (3) is spacing and carriage between distance identical.
(8) repeat (3) ~ (7) process, the integral body of accomplishing shield structure and the carriage process of missing the stop.
Claims (1)
1. shield structure reach propulsion plant; It is characterized in that comprising propulsive units and urging portion; Propulsive units comprise the anterior welding of the carriage (2) of shield structure (1) bottom guiding i iron (3), the welding of carriage (2) rear portion be used to limit the limit that advances skew and move i iron (11) and advance jack (5); Guiding i iron (3) and limit are moved i iron (11) and are tipped upside down on the rail (4); Be welded with on the rail (4) at carriage (2) rear and be used to spacing (8) that advance jack (5) that the counter-force strong point is provided, spacing (8) preceding different cushion block of some length (9) that is equipped with; What urging portion comprised the welding of pushing tow jack (10) and shield structure (1) organism bottom both sides lifts fulcrum (7) for pushing tow jack (10) provides on application point some.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120347699 CN202250095U (en) | 2011-09-16 | 2011-09-16 | Forward movement propulsion device for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120347699 CN202250095U (en) | 2011-09-16 | 2011-09-16 | Forward movement propulsion device for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250095U true CN202250095U (en) | 2012-05-30 |
Family
ID=46111353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120347699 Expired - Lifetime CN202250095U (en) | 2011-09-16 | 2011-09-16 | Forward movement propulsion device for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250095U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035163A (en) * | 2013-01-11 | 2013-04-10 | 中铁第四勘察设计院集团有限公司 | Supporting and reverse propelling device of shield testing machine |
| CN105863657A (en) * | 2016-05-27 | 2016-08-17 | 中铁二十局集团轨道交通工程有限公司 | Start-side rolling collection device and start-side rolling collection method for earth pressure balance shield machine |
| CN107489425A (en) * | 2017-08-03 | 2017-12-19 | 中国电建集团铁路建设有限公司 | Shield machine entirety walk formula was walked station structure and construction |
| CN112983447A (en) * | 2021-04-22 | 2021-06-18 | 中铁一局集团第二工程有限公司 | Construction method for shield tunneling machine air-propelled subway underground excavation station |
-
2011
- 2011-09-16 CN CN 201120347699 patent/CN202250095U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035163A (en) * | 2013-01-11 | 2013-04-10 | 中铁第四勘察设计院集团有限公司 | Supporting and reverse propelling device of shield testing machine |
| CN105863657A (en) * | 2016-05-27 | 2016-08-17 | 中铁二十局集团轨道交通工程有限公司 | Start-side rolling collection device and start-side rolling collection method for earth pressure balance shield machine |
| CN105863657B (en) * | 2016-05-27 | 2018-02-23 | 中铁二十一局集团轨道交通工程有限公司 | Balancing earth-pressure shielding machine, which originates, sidewinders correcting device and method |
| CN107489425A (en) * | 2017-08-03 | 2017-12-19 | 中国电建集团铁路建设有限公司 | Shield machine entirety walk formula was walked station structure and construction |
| CN112983447A (en) * | 2021-04-22 | 2021-06-18 | 中铁一局集团第二工程有限公司 | Construction method for shield tunneling machine air-propelled subway underground excavation station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102337900A (en) | Circulating matting type shield air-pushing method | |
| CN101550829A (en) | Shield whole self-propelled station-crossing construction method | |
| CN202250095U (en) | Forward movement propulsion device for shield machine | |
| CN105041357B (en) | Single track handling tail becomes first formula advance support system | |
| CN201671646U (en) | Fully-mechanized mining hydraulic support back withdrawing apparatus | |
| CN202080833U (en) | Mobile pipe hanging car for tunnel | |
| CN204402559U (en) | A kind of large jacking force shield machine air pushes through hole truss-like reaction support group | |
| CN111636883A (en) | Integrated station-crossing translation device of shield tunneling machine, control method and shield tunneling machine | |
| CN203247279U (en) | Gliding platform for mounting furnace shell in major overhaul of blast furnace | |
| CN201330609Y (en) | Inside-tunnel steel support mechanical lifting device of shallow-tunneling cavern | |
| CN207793901U (en) | The quick Demolition Construction device of column beam-type support longeron | |
| CN102839578B (en) | Construction method for manually longitudinally moving temporary beam in reinforcing multi-track line by use of D type temporary beam | |
| CN202125299U (en) | Walking type shield translation station-passing system | |
| CN205965514U (en) | Device is got to lift clamp of denitration catalyst module | |
| CN108004930A (en) | The construction method of vertical shift bowstring arch bridge | |
| CN105369028B (en) | A kind of steel pipe taking feed from feed quenching manipulator | |
| CN101525680B (en) | Ladle lifting hydraulic system using vacuum circulation degassing method | |
| CN204874649U (en) | Steel pipe is feeded and is got material quenching manipulator | |
| CN109505251A (en) | A kind of arch steel structure truss bridge erection method | |
| CN202967398U (en) | Auxiliary conveyer of transformer bank | |
| CN204873582U (en) | Overhead hoist is used in transition of open type TBM | |
| CN209443464U (en) | Stake top walking Pile Installation Platform | |
| CN207686758U (en) | A kind of shield machine multi-stage slide material transportation trolley | |
| CN202011595U (en) | In-corridor steel penstock slope conveying apparatus | |
| CN207209829U (en) | A kind of oil tank transport, installation integrated apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |