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 PDFInfo
- 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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- Prior art keywords
- branch pipe
- inverted
- counterforce device
- endless tube
- bracket
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- 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 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000010276 construction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
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
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).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201920276159.4U CN209604020U (en) | 2019-03-05 | 2019-03-05 | A kind of shield duct piece semi-ring assembling part counterforce device |
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CN209604020U true CN209604020U (en) | 2019-11-08 |
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CN201920276159.4U Expired - Fee Related CN209604020U (en) | 2019-03-05 | 2019-03-05 | A kind of shield duct piece semi-ring assembling part counterforce device |
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Cited By (1)
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 |
-
2019
- 2019-03-05 CN CN201920276159.4U patent/CN209604020U/en not_active Expired - Fee Related
Cited By (1)
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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GR01 | Patent grant | ||
GR01 | Patent grant | ||
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: 20191108 |