CN209604020U - A kind of shield duct piece semi-ring assembling part counterforce device - Google Patents

A kind of shield duct piece semi-ring assembling part counterforce device Download PDF

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Publication number
CN209604020U
CN209604020U CN201920276159.4U CN201920276159U CN209604020U CN 209604020 U CN209604020 U CN 209604020U CN 201920276159 U CN201920276159 U CN 201920276159U CN 209604020 U CN209604020 U CN 209604020U
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CN
China
Prior art keywords
branch pipe
inverted
counterforce device
endless tube
bracket
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 - Fee Related
Application number
CN201920276159.4U
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Chinese (zh)
Inventor
郑永军
谢晓蕊
陈振溢
马海燕
张二元
谢校亭
魏秀洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Urban and Rural Construction Group Co Ltd
Original Assignee
Beijing Urban and Rural Construction Group Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Beijing Urban and Rural Construction Group Co Ltd filed Critical Beijing Urban and Rural Construction Group Co Ltd
Priority to CN201920276159.4U priority Critical patent/CN209604020U/en
Application granted granted Critical
Publication of CN209604020U publication Critical patent/CN209604020U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Positive endless tube piece outer end is close in a kind of shield duct piece semi-ring assembling part counterforce device, described counterforce device one end, and one end is connected on reaction frame;Counterforce device includes inverted U-shaped beam, is connected to one group of horizontal branch pipe of inverted U-shaped beam side, and be connected to the bracket of inverted U-shaped two outer side edges of beam bottom end;It is connected with symmetrical bracket on the outside of horizontal branch pipe one end, and is provided between end and reaction frame and unloads power plate and horizontal direction jack.By the setting of counterforce device in the utility model, the support of counter-force needed for ensure that shield drive end unit, and the design of inverted U-shaped beam is not only simple for production, but meet promote in contact surface requirement;By the setting of bracket, the antenna height of inverted U-shaped beam ensure that, can also share a part of horizontal force, enhancing structure entirety stress;Length needed for the setting of horizontal branch pipe then ensure that counterforce device horizontal direction, and be arranged bracket, horizontal direction jack and unload power plate, avoid the case where can not providing counter-force immediately there may be gap.

Description

A kind of shield duct piece semi-ring assembling part counterforce device
Technical field
The utility model belongs to shield technique field, in particular to a kind of shield duct piece semi-ring assembling part counterforce device.
Background technique
Shield method has been widely used for constructing metro tunnel at present, and it is more multiple which is primarily adapted for use in geological environment Miscellaneous, the higher tunneling section construction of settlement request, core construction technology is by the knife cutting soil body in front of shield machine, and rear portion is spelled Precast concrete section of jurisdiction is filled, is advanced using jack pushing tow section of jurisdiction;There are enough constructions to grow under regular situation when shield launching Degree, can satisfy shield machine and rear mating trolley carries out overall package and originates, the negative endless tube piece of shield machine domain through seam assembling, shield Assembled good domain section of jurisdiction is pushed into from reaction frame by machine by middle shield jack from shield tail, and power is let out in setting between section of jurisdiction and reaction frame Backing plate, the construction materials such as section of jurisdiction, track, water pipe mating trolley rear after shield machine are allocated and transported.
But when construction shaft planar dimension length is smaller, the inner space of construction shaft be unable to satisfy shield machine and after match Cover the assembling of trolley and the vertical transport demand of construction material, shield machine can only assembled lower semi-ring section of jurisdiction, be vertical transport Offer condition.In this case, the propulsion jack of shield machine can only apply thrust in lower half ring segments, and negative endless tube piece semi-ring is spelled It is filled to the assembly for carrying out domain section of jurisdiction at tunnel mouth again.Since top half section of jurisdiction and reaction frame are without even when assembled domain section of jurisdiction It connects, counter-force can not be provided for the propulsion jack on shield machine top.Subsequent section of jurisdiction top half can not be held out against, it may appear that leakage Situations such as, seriously affect construction quality.In order to solve the above technical problems, it is necessary to provide a kind of shield duct piece semi-ring assembling part is anti- Power device, to overcome the defect in the prior art.
Utility model content
The utility model proposes a kind of shield duct piece semi-ring assembling part counterforce devices, to solve in tunneling or constructing tunnel When vertical shaft planar dimension length it is smaller, when the negative endless tube piece of semi-ring can only be installed, the problem of the support of counter-force needed for shield machine promotes, tool Body technique scheme is as follows:
A kind of shield duct piece semi-ring assembling part counterforce device, wherein shield duct piece includes the positive ring for being connected to shield drive end unit Section of jurisdiction is connected to the negative endless tube piece of positive endless tube run-out subordinate's semi-ring, and the negative endless tube piece is semicircle ring plate, and counterforce device is located at Above negative endless tube piece, positive endless tube piece outer end is close in described counterforce device one end, and one end is connected on reaction frame.
The counterforce device includes inverted U-shaped beam, is connected to one group of horizontal branch pipe of inverted U-shaped beam side, and be connected to down U The bracket of two outer side edges of ellbeam bottom end.
The inverted U-shaped beam is not connected with horizontal branch pipe side and is close to positive endless tube piece end, the inverted U-shaped Liang Youyi horizontal gird The vertical beam parallel with two is formed by connecting, and the crossbeam and two junction internal corner part of vertical beam are provided with symmetrical diagonal brace;Wherein, horizontal Beam is connected with the width adequate horizontal branch pipe of vertical beam, and the length of crossbeam adapts to positive endless tube piece and reversely supports.
Horizontal branch pipe connector, institute are provided at the two vertical beam end of inverted U-shaped beam and crossbeam and vertical beam tie point Stating horizontal branch pipe connector is tubular and vertical crossbeams, and horizontal branch pipe connector end is connected with connecting plate or ring flange, Wherein the caliber of horizontal branch pipe connector is consistent with horizontal branch pipe and center is aligned.
Two vertical beam end lateral surfaces of the inverted U-shaped beam are provided with symmetrical bracket connector, and the bracket connector is Tubular and vertical vertical beam, bracket connector outer end are connected with connecting plate or flange.
The horizontal branch pipe one end corresponds to horizontal branch pipe connector and is provided with connecting plate or flange, the pedestal upper end portion Corresponding bracket connector is provided with connecting plate or flange, on the basis of wherein the vertical setting lower end of bracket is fixed on.
The horizontal branch pipe does not connect on the outside of the end of one end with inverted U-shaped beam and is connected with symmetrical bracket, and end and counter-force It is provided between frame and unloads power plate;Horizontal direction jack is provided between the bracket and reaction frame.
The positive endless tube piece and negative endless tube piece lower outside face are arranged at intervals with symmetrical oblique branch along tunnel excavation direction Part, the oblique support include to be close to the wedge block and wedge block and shield of positive endless tube piece and negative endless tube piece outer surface lower part Machine originates symmetrically arranged oblique jack between pedestal.
The utility model has the following beneficial effects:
By the setting of counterforce device in the utility model, ensure that shield machine during pushing ahead, tail portion institute The counter-force support that needs, wherein in counterforce device inverted U-shaped beam design, it is not only simple for production, but meet promote in contact surface want It asks, and the setting of diagonal brace is so that the enhancing of inverted U-shaped beam overall stability, the setting of horizontal branch pipe connector and bracket connector are then full It foot lower support and horizontally-supported required assembled requires;By the setting of bracket, the antenna height of inverted U-shaped beam ensure that, A part of horizontal force, enhancing structure entirety stress can be shared;
Length needed for the setting of horizontal branch pipe then ensure that counterforce device horizontal direction, and in the setting of horizontal branch pipe end Bracket, horizontal direction jack and power plate is unloaded, avoid in entire connection procedure that there may be gaps, and when by compared with high thrust Counter-force can not be provided immediately, and new segment assembly is made to generate movement, section of jurisdiction connects the feelings that bolt generates failure by shear or deformation Condition.The utility model operates simple, installation simply and repeats and recycles, and has not only saved working hour but also can save construction cost.
Detailed description of the invention
Fig. 1 is shield duct piece semi-ring assembling part counterforce device construction usage figure;
Fig. 2 is inverted U-shaped beam attachment structure schematic diagram;
Fig. 3 is inverted U-shaped beam and diagonal brace connection schematic diagram;
Fig. 4 is horizontal branch pipe and reaction frame connection schematic diagram;
Fig. 5 is horizontal branch pipe and inverted U-shaped beam connection schematic diagram.
Appended drawing reference: 1- shield machine;The positive endless tube piece of 2-;The negative endless tube piece of 3-;4- counterforce device;41- horizontal branch pipe;42- falls U Ellbeam;421- bracket connector;422- horizontal branch pipe connector;43- bracket;44- diagonal brace;45- bracket;46- horizontal direction is very heavy Top;47- unloads power plate;5- reaction frame;6- shield launching pedestal;The oblique support of 7-.
Specific embodiment
As shown in Figure 1, a kind of shield duct piece semi-ring assembling part counterforce device, wherein shield duct piece includes to be connected to shield machine The positive endless tube piece 2 of 1 tail portion, the positive endless tube piece 2 are located at tunnel internal, are connected to the negative endless tube of semi-ring under positive 2 tail portion of endless tube piece Piece 3, it is nine section semicircle ring plates that the negative endless tube piece 3, which is in tunnel outer, and protelum connects positive endless tube piece 2 wherein on the outside, Preceding nine section top is equipped with counterforce device 4 between 5 middle and upper part of reaction frame and positive endless tube piece 2, and wherein 4 one end of counterforce device is close to Positive 2 outer end of endless tube piece, one end is connected on reaction frame 5.
In the present embodiment, the counterforce device 4 includes inverted U-shaped beam 42, is connected to one group of level branch of inverted U-shaped 42 side of beam Pipe 41, and it is connected to the bracket 43 of inverted U-shaped 42 bottom end of beam, two outer side edges;The horizontal branch pipe 41 is the production of 609mm steel pipe.
As shown in Figures 2 and 3, the inverted U-shaped beam 42 is not connected with 41 side of horizontal branch pipe positive 2 end of endless tube piece of abutting, institute It states inverted U-shaped beam 42 to be formed by connecting by the parallel vertical beam of a horizontal gird and two, two junction internal corner part of the crossbeam and vertical beam It is provided with symmetrical diagonal brace 44;Wherein, the width adequate horizontal branch pipe 41 of crossbeam and vertical beam connects, and the length of crossbeam adapts to positive ring Section of jurisdiction 2 reversely supports;Horizontal branch pipe company is provided at 42 liang of vertical beam ends of the inverted U-shaped beam and crossbeam and vertical beam tie point Interface 422, the horizontal branch pipe connector 422 are tubular and vertical crossbeams, and 422 end of horizontal branch pipe connector is connected with Connecting plate or ring flange, wherein the caliber of horizontal branch pipe connector 422 is consistent with horizontal branch pipe 41 and center is aligned;The cross Component used in beam, vertical beam and diagonal brace 44 be box steel beam, middle cross beam, column box steel beam having a size of 900mm × 600mm × 40mm, steel plate thickness 20mm;The box steel beam of diagonal brace 44 is having a size of 600mm × 600mm × 40mm, steel plate With a thickness of 20mm.
As shown in Figure 3 and Figure 4, two vertical beam end lateral surfaces of the inverted U-shaped beam 42 are welded with symmetrical bracket connector 421, the bracket connector 421 is steel tubular and vertical vertical beam, and 421 outer end of bracket connector is connected with connecting plate and adopts It is connected with;41 one end of horizontal branch pipe corresponds to horizontal branch pipe connector 422 and is welded with flange-interface, the bracket 43 Upper end corresponds to bracket connector 421 and is welded with connecting plate, and wherein the vertical setting of bracket 43 and lower end use pre-buried method or self tapping On the basis of bolt is fixed on.
As shown in figure 5, the horizontal branch pipe 41, which is not connect on the outside of the end of one end with inverted U-shaped beam 42, is connected with symmetrical wedge shape Bracket 45, and be welded between end and reaction frame 5 and unload power plate 47;Symmetrical level is installed between the bracket 45 and reaction frame 5 To jack 46.
In the present embodiment, positive endless tube piece 2 and 3 lower outside face of negative endless tube piece are arranged at intervals with symmetrically along tunnel excavation direction Oblique support 7, the oblique support 7 include be close to positive endless tube piece 2 and 3 outer surface lower part of negative endless tube piece wedge block, and Symmetrically arranged oblique jack between wedge block and shield launching pedestal 6.
The utility model uses following process: reaction frame 5 is first installed, when 1 semi-ring assembling construction of shield machine to the 9th Endless tube piece deviate from shield tail when, inverted U-shaped beam 42 is assembled with bracket 43 on ground, Integral lifting to underground, if allow by Inverted U-shaped beam 42 is directly placed above negative endless tube piece 3, then bracket 43 can not be used, when 1 bull's eye integral assembling of shield machine is complete When at releasing shield tail, inverted U-shaped beam 42 is placed on bull's eye rear portion, by the connecting interface end on horizontal branch pipe 41 and inverted U-shaped beam 42 Portion is tightened using bolt, and 41 other end of horizontal branch pipe withstands on 5 top of reaction frame by horizontal direction jack 46, and two jack are same When apply top power, the gap between steel pipe and steel pipe connecting pin, inverted U-shaped beam 42 and positive endless tube piece 2 is eliminated, then by horizontal branch pipe 41 By unloading the welding of power backing plate between reaction frame 5, the horizontal branch pipe 41 of 4 609mm according to getting on, get off, install simultaneously by two sides Mode carry out, after four horizontal branch pipees 41 are all installed, shield machine 1 all releases bull's eye section of jurisdiction, then Shield machine 1 can be arranged thrust according to normal boring parameter and carry out driving and assembly.
In the present embodiment, horizontal branch pipe 41 needs the left and right sides while carrying out during installing and holding out against;Level branch Do not have by the way of clip slot socket joint between pipe 41 and inverted U-shaped beam 42, if main consider to deform, can be torn open to steel pipe support It unloads and causes difficulty, be not suitable for repeatedly being used in turn.
Obviously, above-described embodiment is only intended to clearly illustrate made by the outstanding feature of the utility model and illustrates, and is not It is the restriction to the utility model embodiment;For those skilled in the art, basis is used above explained On can still make other variations or changes in different ways, if not carrying out inventive improvements to it, belong to the utility model Protection scope.

Claims (8)

1. a kind of shield duct piece semi-ring assembling part counterforce device, wherein shield duct piece includes to be connected to shield machine (1) tail portion just Endless tube piece (2), is connected to the negative endless tube piece (3) of semi-ring under positive endless tube piece (2) tail portion, and the negative endless tube piece (3) is semicircular rings Piece, it is characterised in that: comprising being located at the counterforce device (4) above negative endless tube piece (3), described counterforce device (4) one end is close to just Endless tube piece (2) outer end, one end are connected on reaction frame (5).
2. a kind of shield duct piece semi-ring assembling part counterforce device according to claim 1, it is characterised in that: the counter-force dress Setting (4) includes inverted U-shaped beam (42), is connected to one group of horizontal branch pipe (41) of inverted U-shaped beam (42) side, and be connected to inverted U-shaped The bracket (43) of two outer side edges of beam (42) bottom end.
3. a kind of shield duct piece semi-ring assembling part counterforce device according to claim 2, it is characterised in that: described inverted U-shaped Beam (42) is not connected with horizontal branch pipe (41) side and is close to positive endless tube piece (2) end, the inverted U-shaped beam (42) by a horizontal gird and Two parallel vertical beams are formed by connecting, and the crossbeam and two junction internal corner part of vertical beam are provided with symmetrical diagonal brace (44);Wherein, The connection of the width adequate horizontal branch pipe (41) of crossbeam and vertical beam, the length of crossbeam adapt to positive endless tube piece (2) and reversely support.
4. a kind of shield duct piece semi-ring assembling part counterforce device according to claim 3, it is characterised in that: described inverted U-shaped It is provided with horizontal branch pipe connector (422) at (42) two vertical beam end of beam and crossbeam and vertical beam tie point, the horizontal branch Tube connection ports (422) are tubular and vertical crossbeams, and horizontal branch pipe (41) the connector end is connected with connecting plate or ring flange, Wherein the caliber of horizontal branch pipe connector (422) is consistent with horizontal branch pipe (41) and center is aligned.
5. a kind of shield duct piece semi-ring assembling part counterforce device according to claim 3, it is characterised in that: described inverted U-shaped Two vertical beam end lateral surfaces of beam (42) are provided with symmetrical bracket connector (421), and the bracket connector (421) is tubular And vertical vertical beam, bracket connector (421) outer end are connected with connecting plate or flange.
6. a kind of shield duct piece semi-ring assembling part counterforce device as claimed in any of claims 2 to 5, feature exist In: horizontal branch pipe (41) one end corresponds to horizontal branch pipe connector (422) and is provided with connecting plate or flange, the bracket (43) upper end corresponds to bracket connector (421) and is provided with connecting plate or flange, and wherein the vertical setting lower end of bracket (43) is fixed On the basis of.
7. a kind of shield duct piece semi-ring assembling part counterforce device according to claim 6, it is characterised in that: the horizontal branch Pipe (41) does not connect on the outside of the end of one end with inverted U-shaped beam (42) and is connected with symmetrical bracket (45), and between end and reaction frame (5) It is provided with and unloads power plate (47);Horizontal direction jack (46) are provided between the bracket (45) and reaction frame (5).
8. a kind of shield duct piece semi-ring assembling part counterforce device according to claim 1, it is characterised in that: the positive endless tube Piece (2) and negative endless tube piece (3) lower outside face are arranged at intervals with symmetrical oblique support (7) along tunnel excavation direction, it is described tiltedly It include the wedge block and wedge block and shield for being close to positive endless tube piece (2) and negative endless tube piece (3) outer surface lower part to support (7) Machine originates symmetrically arranged oblique jack between pedestal (6).
CN201920276159.4U 2019-03-05 2019-03-05 A kind of shield duct piece semi-ring assembling part counterforce device Expired - Fee Related CN209604020U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920276159.4U CN209604020U (en) 2019-03-05 2019-03-05 A kind of shield duct piece semi-ring assembling part counterforce device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920276159.4U CN209604020U (en) 2019-03-05 2019-03-05 A kind of shield duct piece semi-ring assembling part counterforce device

Publications (1)

Publication Number Publication Date
CN209604020U true CN209604020U (en) 2019-11-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113236267A (en) * 2021-06-25 2021-08-10 中铁工程装备集团技术服务有限公司 Shield starting counterforce device and using method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113236267A (en) * 2021-06-25 2021-08-10 中铁工程装备集团技术服务有限公司 Shield starting counterforce device and using method thereof

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Granted publication date: 20191108