CN110513117A - A kind of bimodulus shield screw machine mode-changeover device and application method - Google Patents
A kind of bimodulus shield screw machine mode-changeover device and application method Download PDFInfo
- Publication number
- CN110513117A CN110513117A CN201910913491.1A CN201910913491A CN110513117A CN 110513117 A CN110513117 A CN 110513117A CN 201910913491 A CN201910913491 A CN 201910913491A CN 110513117 A CN110513117 A CN 110513117A
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- China
- Prior art keywords
- screw conveyor
- sliding block
- pusher
- lifting mechanism
- block assembly
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
Abstract
The invention discloses a kind of bimodulus shield screw machine mode-changeover device and application methods, including connection traversing mechanism and lifting mechanism, the front of screw conveyor is arranged in the connection traversing mechanism, and screw conveyor is detachably connected by connection traversing mechanism and main driving or anterior shield spiral shell base；The lifting mechanism is symmetricly set on the two sides of screw conveyor, and the outside of lifting mechanism is fixedly connected with the girder of assembling machine, and inside and the screw conveyor of lifting mechanism are slidably connected.The present invention both can satisfy the tunneling construction requirement of open mode and soil pressure mode, it can also assist completing mode conversion rapidly and efficiently, and mounting means is simple and efficient, realizes host and rear mating parallel high-efficient homework mode, shield machine construction efficiency is improved, shield machine adaptability is enhanced.
Description
Technical field
The invention belongs to shield machine construction technical fields, and in particular to a kind of bimodulus shield screw machine mode-changeover device and
Application method.
Background technique
6m grades of center spiral shell machine formula soil pressures/unlimited bimodulus shield (soil pressure mode+center convolution that bottom screw machine is slagged tap at present
The open mode that machine is slagged tap) by construction safety, efficiently slag tap, be adaptable the advantages that the city complicated and changeable in geological environment
Start to apply in subway tunnel, how rapidly and efficiently to complete mode conversion be the key that 6m grades of bimodulus shields can smooth construction because
Element.However it not yet conducts a research to the engineering method of its high effective model conversion both at home and abroad.
It is limited by hosting space, 6m grades of center spiral shell machine formula bimodulus shield both of which tunnel the center convolution machine for slagging tap required
It cannot be coexisted with bottom spiral shell machine, mode need to dismount critical component relevant to dregs transportation respectively when converting, flow operations are multiple
It is miscellaneous, it takes a long time, there are many defects:, need to be by host 1. smoothly to dismount the critical components such as screw machine when Assured Mode conversion
With rear mating disconnection, while Rear impact integrally being drawn and retreats 20m or so, host and it is rear it is mating between reserve it is enough
Operating space.This construction operation will expend a large amount of man power and material, such as: dismounting pipeline, disassemblerassembler bridge tooling, again
Debug the relevant devices such as fluid, hydraulic, electrical；2. needing extra soldered a large amount of in critical components such as handling installation screw machines
Tooling, while being equipped with several veteran construction personnel and assisting completing, required tooling transport trouble in the construction operation, in hole
Welding difficulty, it is inconvenient, it will seriously affect construction efficiency.Construction party is converted for current center convolution machine bimodulus shield mode
Drawbacks described above present in method needs to design a kind of novel quick mode conversion construction method.
The bottom spiral motor spindle of shield machine is fixed by bolts on shield body spiral shell base, and middle part is connected using pull rod one end
On spiral shell machine otic placode, the other end is connected on main driving otic placode, and by screw machine weight, size and hosting space is narrow is influenced,
No matter replacement screw machine is all inconvenient the mounting means in shop assembled or hole.Simultaneously for center convolution machine bimodulus shield
For, above-mentioned mounting means can only be suitable for soil pressure mode, when open mode driving, since screw machine is located in host
Portion is limited by space, screw machine can not be fixed in the way of above-mentioned pull rod, therefore needing to design one kind can be real simultaneously
Existing both of which driving requires and the spiral shell machine mounting means of high effective model switching.
Summary of the invention
The switching of open mode that the earth pressure balance mode and center convolution machine slagged tap for bottom screw machine are slagged tap it is many and diverse and
The problem of being not easy to operation, the invention proposes a kind of bimodulus shield screw machine mode-changeover device and application methods, realize
It is unlimited and soil pressure both of which to be switched fast.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of bimodulus shield screw machine mode-changeover device, including connection traversing mechanism and lifting mechanism, the connection whirler
The front of screw conveyor is arranged in structure, and screw conveyor is removable by connection traversing mechanism and main driving or anterior shield spiral shell base
Unload connection；The lifting mechanism is symmetricly set on the two sides of screw conveyor, and lifting mechanism is located at the rear portion of assembling machine, and raising
The outside of mechanism is fixedly connected with the girder of assembling machine, and inside and the screw conveyor of lifting mechanism are slidably connected.
The connection traversing mechanism includes oscillating bearing assembly, the inner surface and screw conveyor of the oscillating bearing assembly
It is fixedly connected, the outer surface of oscillating bearing assembly is detachably connected with main driving or anterior shield spiral shell base.
Connecting plate is additionally provided between the oscillating bearing assembly and main driving, the side of the connecting plate and main driving are fixed
Connection, the other side and the oscillating bearing assembly of connecting plate are detachably connected.
The lifting mechanism includes pusher, sliding block assembly and lifting mechanism slideway, and the sliding block assembly is arranged in raising
In mechanism slideway, and the side of sliding block assembly is slidably connected by spiral shell machine track and screw conveyor level, sliding block assembly it is another
Side is connect with lifting mechanism slideway vertical sliding；The lifting mechanism slideway is symmetrically fixed on the girder of assembling machine；
The pusher is movably arranged in lifting mechanism slideway, and pusher is located at the lower part of sliding block assembly, the movable end of pusher
It is fixedly connected with sliding block assembly, the fixing end of pusher is fixedly connected with the bottom of lifting mechanism slideway.
The sliding block assembly includes sliding block and interconnecting piece, and side and the lifting mechanism slideway of the sliding block are slidably connected, sliding
The other side of block is fixedly connected with the side of interconnecting piece；The other side of the interconnecting piece is movably arranged in spiral shell machine track.
The spiral shell machine track includes sliding panel, side plate and cover board, and the cover board and sliding panel horizontal symmetrical are arranged in spiral
On conveyer, and sliding panel is fixedly connected with screw conveyor；The top of the side plate is vertical with sliding panel to be fixedly connected, side plate
Lower part be detachably connected with cover board；The side of the side plate is fixedly connected with screw conveyor, the other side of side plate and sliding
Plate, cover board form groove；The interconnecting piece is movably arranged in groove, and the length of groove is greater than the length of interconnecting piece, is pulled
Screw conveyor, spiral shell machine track are moved along interconnecting piece, occur opposite position between spiral shell machine track and screw conveyor and interconnecting piece
It moves.
A kind of application method of bimodulus shield screw machine switching device, when open mode turns soil pressure mode, including it is as follows
Step:
S1 removes the connection between oscillating bearing assembly and connecting plate, and the oil pressure for adjusting pusher declines pusher, and sliding block is total
At decline synchronous with pusher, the rear portion of screw conveyor is rotated down as the decline of sliding block assembly synchronizes, until spiral transferring
Machine is sent to rotate to horizontal position；
Screw conveyor is extracted from main driving and is moved backward screw conveyor, avoids the tail portion of screw conveyor by S2
Main driving；
S3, the oil pressure for adjusting pusher rise pusher, and sliding block assembly is synchronous with pusher to be risen, and screw conveyor is with cunning
The rising synchronous of block assembly rotates upwards, until the front of screw conveyor is opposite with anterior shield spiral shell base；
S4 moves screw conveyor obliquely, connecting joint bearing assembly and anterior shield spiral shell base；
When soil pressure mode turns open mode, include the following steps:
S1 removes the connection between oscillating bearing assembly and anterior shield spiral shell base, screw conveyor is extracted from anterior shield spiral shell base；
S2, the oil pressure for adjusting pusher decline pusher, and the decline synchronous with pusher of sliding block assembly, screw conveyor is with cunning
The decline of block assembly, which synchronizes, to be rotated down, until screw conveyor turns to horizontal position；
S3 moves screw conveyor horizontally forward, and screw conveyor is inserted into main driving；
S4, the oil pressure for adjusting pusher rise pusher, and sliding block assembly is synchronous with pusher to be risen, the rear portion of screw conveyor
As the rising synchronous of sliding block assembly is rotated up, until the angle between screw conveyor and horizontal position is 4 °, Zhi Houlian
Connect oscillating bearing assembly and connecting plate.
Beneficial effects of the present invention:
The present invention both can satisfy the tunneling construction requirement of open mode and soil pressure mode, can also assist completing rapidly and efficiently
Mode conversion；When the small curve level of shield machine or vertical curve tunnel, relative motion can be occurred between anterior shield and tail shield, two kinds
Screw conveyor can be flexibly connected by oscillating bearing assembly with main driving or anterior shield spiral shell base under mode, in tunneling process
In buffer function can be played to screw conveyor；The setting of spiral shell machine track when open mode and soil pressure mode are mutually converted, both
Play the role of support helix conveyer, can also make screw conveyor can adapt to shield machine small curve flat bank or
The turning of person's climb and fall requires.
In short, mounting means of the present invention is simple and efficient, the earth pressure balance mode and center convolution that screw machine is slagged tap in bottom
Under the open mode that machine is slagged tap, the fixed support such as pull rod without increasing new can assist completion both of which efficiently quick
The requirement of conversion；And the maximum feature of the construction method be guarantee host and it is rear it is mating do not turn off under the premise of, helical feed
Machine, which can be rapidly completed, to be transformed into main driving central area by shield body bottom or is transformed into shield body bottom by main driving central area
The dismounting operation in portion realizes host and rear mating parallel high-efficient homework, improves shield machine construction efficiency, enhances shield machine adaptation
Property.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural representation that the present invention connects with the host and equipment bridging slagged tap with center convolution machine in the open mode
Figure.
Fig. 2 is structural schematic diagram when screw conveyor is extracted.
Fig. 3 is structural schematic diagram when screw conveyor rotates.
Fig. 4 is the structural representation that the present invention connects with the host and equipment bridging slagged tap with center convolution machine under soil pressure mode
Figure.
Fig. 5 is the A-A cross-sectional view of Fig. 1.
Fig. 6 is the B-B cross-sectional view of Fig. 4.
Fig. 7 is the partial enlarged view of E in Fig. 1.
Fig. 8 is the partial enlarged view of F in Fig. 5.
In figure, 1 is cutterhead scum board, and 2 be anterior shield, is driven based on 3, and 4 be screw conveyor, and 5 be assembling machine, and 6 be equipment
Bridge, 7 be belt machine tail part assembly, and 8 be lifting mechanism, and 8-1 is pusher, and 8-2 is top slide assembly, and 8-3 is lifting mechanism
Slideway, 8-2-1 are sliding block, and 8-2-2 is interconnecting piece, and 8-2-3 is fixed plate, and 8-2-4 is annulus, and 9 be center swivel joint, and 10 are
Slag agitator, 11 be oscillating bearing assembly, and 12 be spiral shell machine track, and 13 be connecting plate, and 12-1 is sliding panel, and 12-2 is side plate, 12-3
For cover board.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
A kind of bimodulus shield screw machine mode-changeover device, as shown in Figure 1, including connection traversing mechanism and lifting mechanism 8,
The front of screw conveyor 4 is arranged in the connection traversing mechanism, and screw conveyor 4 passes through connection traversing mechanism and main driving
3 or anterior shield spiral shell base be detachably connected；As shown in figure 5, the lifting mechanism 8 is symmetricly set on the two sides of screw conveyor 4, with
Play the role of fixed support to screw conveyor 4 in pattern switching, screw conveyor 4 is located at two girders of assembling machine 5
Between, the outside of two lifting mechanisms 8 is fixedly connected with the rear wall of 5 two girders of assembling machine respectively, the inside of lifting mechanism 8
It is slidably connected with screw conveyor 4, in order to which screw conveyor 4 is rotated or moved horizontally when pattern switching.
As shown in fig. 7, the connection traversing mechanism includes oscillating bearing assembly 11, the interior table of the oscillating bearing assembly 11
Face is fixedly connected with screw conveyor 4, in order to which screw conveyor 4 can rotate in main driving 3；Oscillating bearing assembly 11
Outer surface is detachably connected by bolt and main driving 3 or anterior shield spiral shell base, spiral transferring easy to disassemble when in order to pattern switching
Send machine 4；Connecting plate 13, the side of connecting plate 13 and main driving 3 are additionally provided between the oscillating bearing assembly 11 and main driving 3
Inner wall is fixedly connected, and the other side of connecting plate 13 is detachably connected by the outer surface of bolt and oscillating bearing assembly 11, connection
The setting of plate 13 can be played the role of reinforcing connection.
As shown in fig. 6, the lifting mechanism 8 includes pusher 8-1, sliding block assembly 8-2 and lifting mechanism slideway 8-3, institute
It states lifting mechanism slideway 8-3 to be symmetrically fixed on two girders of assembling machine 5, the front of two lifting mechanism slideway 8-3
It is corresponding with the rear wall of two girders to be fixedly connected, lifting mechanism slideway 8-3 to be fixed, and then formed to helical feed
The support of machine 4；The sliding block assembly 8-2 is arranged in lifting mechanism slideway 8-3, and sliding block assembly 8-2 include sliding block 8-2-1 and
Interconnecting piece 8-2-2, in lifting mechanism slideway 8-3, the side of sliding block 8-2-1 by guide rail and is risen for the sliding block 8-2-1 setting
The connection of mechanism slideway 8-3 vertical sliding is risen, guide rail is fixed at vertically in lifting mechanism slideway 8-3, and sliding block 8-2-1 activity is set
It sets on guide rail, in order to which sliding block 8-2-1 is slided up and down in lifting mechanism slideway 8-3 along guide rail；The other side of sliding block 8-2-1
It is fixedly connected with the side of interconnecting piece 8-2-2；The other side of the interconnecting piece 8-2-2 is movably arranged in spiral shell machine track 12；Institute
It states pusher 8-1 to be movably arranged in lifting mechanism slideway 8-3, and pusher 8-1 is located at the lower part of sliding block 8-2-1, pusher
The movable end of 8-1 is fixedly connected with the lower part of sliding block 8-2-1, the fixing end of pusher 8-1 and the bottom of lifting mechanism slideway 8-3
It is fixedly connected, opening pusher 8-1 can push sliding block to move up and down along lifting mechanism slideway 8-3.
Shown in Fig. 8, the spiral shell machine track 12 includes sliding panel 12-1, side plate 12-2 and cover board 12-3, the cover board 12-3
It is arranged on screw conveyor 4 with sliding panel 12-1 horizontal symmetrical, and sliding panel 12-1 is fixedly connected with screw conveyor 4；Institute
State side plate 12-2 top it is vertical with sliding panel 12-1 be fixedly connected, the lower part of side plate 12-2 is removable by bolt and cover board 12-3
Connection is unloaded, demounting bolt removes the rear cover board 12-3 phase disassembly screw conveyor 4 after an action of the bowels；The side of the side plate 12-2 and spiral
Conveyer 4 is fixedly connected, and the other side of side plate 12-2 and sliding panel 12-1, cover board 12-3 form groove；The interconnecting piece 8-2-2
It is movably arranged in groove, and the length of groove is greater than the length of interconnecting piece 8-2-2, in order to pull or push screw conveyor
When 4, spiral shell machine track 12 is moved forward and backward along interconnecting piece 8-2-2, between spiral shell machine track 12 and screw conveyor 4 and interconnecting piece 8-2-2
There is relative displacement.
For the ease of reducing friction when sliding, it is fixed with annulus 8-2-4 on the outside of interconnecting piece 8-2-2, in order to spiral shell
Relative movement between machine track 12 and interconnecting piece 8-2-2；For preferably clamping rings 8-2-4, the interconnecting piece 8-2-2 with
The fixed company of fixed plate 8-2-3, the fixed plate 8-2-3 and annulus 8-2-4 and interconnecting piece 8-2-2 is equipped between side plate 12-2
It connects.
In order to improve the anti-pressure ability of sliding panel 12-1, it is fixed between the sliding panel 12-1 and annulus 8-2-4 resistance to
Nog plate, the wearing plate are High-strength compression resistant steel plate；Minim gap is equipped between the cover board 12-3 and annulus 8-2-4, to subtract
The pressure of minor flaps 12-3.
In the present embodiment, the pusher 8-1 is multi-stage oil cylinder.
A kind of application method of bimodulus shield screw machine switching device, when open mode turns soil pressure mode, including it is as follows
Step:
S1 removes cutterhead scum board 1 from cutterhead, and removes between main driving 3 and slag agitator 10, the equipment of Rear impact
Connection between bridge 6 and belt machine tail part assembly 7；
S2, removes the connection between oscillating bearing assembly 11 and connecting plate 13, and the oil pressure for adjusting multi-stage oil cylinder makes under multi-stage oil cylinder
Drop, since the pushing hands of multi-stage oil cylinder is fixedly connected with sliding block assembly 8-2, sliding block assembly 8-2 decline synchronous with multi-stage oil cylinder, spiral
The rear portion of conveyer 4 is rotated down as the decline of sliding block assembly 8-2 synchronizes, until screw conveyor 4 is by 4 ° of rotations to level
Position；
S3 as shown in Fig. 2, extracting screw conveyor 4 from main driving 3 using chain block, and continues screw conveyor 4
Three meters or so are moved backward, so that the motor of main driving 3 is avoided in the tail portion of screw conveyor 4；
S4 rises multi-stage oil cylinder as shown in figure 3, adjusting the oil pressure of multi-stage oil cylinder, on sliding block assembly 8-2 is synchronous with multi-stage oil cylinder
It rises, screw conveyor 4 is rotated up with the rising synchronous of sliding block assembly 8-2, while being synchronized and being pulled up by chain block
Screw conveyor 4, until the front of screw conveyor 4 is corresponding with anterior shield spiral shell base；
S5, as shown in figure 4, move screw conveyor 4 obliquely by chain block, then connecting joint bearing assembly 11 with
Anterior shield spiral shell base；
Centre revolving joint 9 is mounted on the connecting plate of main driving 3 by S6, and the fluid for being connected to 9 both ends of centre revolving joint is hydraulic
Etc. associated pipes, finally belt machine tail part assembly 7 is connected on equipment bridge 6；
S7, i.e. completion mode is converted after debugging each system.
When soil pressure mode turns open mode, include the following steps:
S1 removes centre revolving joint 9 and the associated pipes such as the main connection driven between 3 and fluid are hydraulic, then by belt feeder
Tail portion assembly 7 is removed from equipment bridge 6；
S2 removes the connection of oscillating bearing assembly 11 and anterior shield spiral shell base, using chain block by screw conveyor 4 from anterior shield spiral shell
It is extracted on base；
S3, the oil pressure for adjusting multi-stage oil cylinder decline multi-stage oil cylinder, sliding block assembly 8-2 decline synchronous with multi-stage oil cylinder, spiral transferring
It send machine 4 to rotate down as the decline of sliding block assembly 8-2 synchronizes, while rotates down screw conveyor 4 using chain block,
Until screw conveyor 4 is rotated to horizontal position；
S4, it is by chain block that 4 forward horizontal of screw conveyor is mobile, screw conveyor 4 is inserted into main driving 3；
S5, the oil pressure for adjusting multi-stage oil cylinder rise multi-stage oil cylinder, and sliding block assembly 8-2 is synchronous with multi-stage oil cylinder to be risen, spiral transferring
The rear portion of machine 4 is sent to be rotated up with the rising synchronous of sliding block assembly 8-2, until between screw conveyor 4 and horizontal position
Angle is 4 °, then connecting joint bearing assembly 11 and connecting plate 13；
Cutterhead scum board 1 is mounted on cutterhead by S6, and slag agitator 10 is mounted in main driving 3, finally that belt machine tail part is total
It is mounted on equipment bridge 6 at 7；
S7, i.e. completion mode is converted after debugging each system.
In the prior art, generated dregs is led when the cutterhead scum board 1 can rotate cutterhead in the open mode
It flows in slag agitator 10, cutterhead scum board 1 is removed under soil pressure mode；The slag agitator 10 is in the open mode for collecting
The dregs in slag agitator 10 is discharged by actively receiving slag for dregs, screw conveyor 4, and slag agitator 10 is removed under soil pressure mode；
The centre revolving joint 9 is material channel, can be transported to the foam, bentonite or water of sediment improvement under soil pressure mode
Spout before cutterhead, centre revolving joint 9 is removed (without sediment improvement) under open mode.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of bimodulus shield screw machine mode-changeover device, which is characterized in that including connection traversing mechanism and lifting mechanism
(8), the connection traversing mechanism is arranged in the front of screw conveyor (4), and screw conveyor (4) passes through connection traversing mechanism
It is detachably connected with main driving (3) or anterior shield spiral shell base；The lifting mechanism (8) is symmetricly set on the two of screw conveyor (4)
Side, and the outside of lifting mechanism (8) is fixedly connected with the girder of assembling machine (5), the inside of lifting mechanism (8) and screw conveyor
(4) it is slidably connected.
2. bimodulus shield screw machine mode-changeover device according to claim 1, which is characterized in that the connection whirler
Structure includes oscillating bearing assembly (11), and the inner surface of the oscillating bearing assembly (11) is fixedly connected with screw conveyor (4), is closed
The outer surface of bearings assembly (11) is detachably connected with main driving (3) or anterior shield spiral shell base.
3. bimodulus shield screw machine mode-changeover device according to claim 2, which is characterized in that the oscillating bearing is total
It is additionally provided with connecting plate (13) between (11) and main driving (3), the side of the connecting plate (13) and the fixed company of main driving (3)
It connects, the other side and the oscillating bearing assembly (11) of connecting plate (13) are detachably connected.
4. bimodulus shield screw machine mode-changeover device according to claim 1 or 2 or 3, which is characterized in that the raising
Mechanism (8) includes pusher (8-1), sliding block assembly (8-2) and lifting mechanism slideway (8-3), the lifting mechanism slideway (8-3)
Symmetrically it is fixed on the girder of assembling machine (5)；Sliding block assembly (8-2) setting is interior in lifting mechanism slideway (8-3), and
The side of sliding block assembly (8-2) is slidably connected by spiral shell machine track (12) and screw conveyor (4) level, sliding block assembly (8-2)
The other side connect with lifting mechanism slideway (8-3) vertical sliding；The pusher (8-1) is movably arranged on lifting mechanism slideway
In (8-3), and pusher (8-1) is located at the lower part of sliding block assembly (8-2), the movable end and sliding block assembly (8- of pusher (8-1)
2) it is fixedly connected, the fixing end of pusher (8-1) is fixedly connected with the bottom of lifting mechanism slideway (8-3).
5. bimodulus shield screw machine mode-changeover device according to claim 4, which is characterized in that the sliding block assembly
(8-2) includes sliding block (8-2-1) and interconnecting piece (8-2-2), side and lifting mechanism slideway (8-3) of the sliding block (8-2-1)
It is slidably connected, the other side of sliding block (8-2-1) is fixedly connected with the side of interconnecting piece (8-2-2)；The interconnecting piece (8-2-2)
The other side is movably arranged in spiral shell machine track (12).
6. bimodulus shield screw machine mode-changeover device according to claim 5, which is characterized in that the spiral shell machine track
It (12) include sliding panel (12-1), side plate (12-2) and cover board (12-3), the cover board (12-3) and sliding panel (12-1) are horizontal
It is symmetricly set on screw conveyor (4), and sliding panel (12-1) is fixedly connected with screw conveyor (4)；Side plate (the 12-
2) top is vertical with sliding panel (12-1) to be fixedly connected, and lower part and the cover board (12-3) of side plate (12-2) are detachably connected；Institute
The side for stating side plate (12-2) is fixedly connected with screw conveyor (4), the other side of side plate (12-2) and sliding panel (12-1), lid
Plate (12-3) forms groove；The interconnecting piece (8-2-2) is movably arranged in groove, and the length of groove is greater than interconnecting piece (8-
Length 2-2).
7. the application method of bimodulus shield screw machine mode-changeover device according to claim 1 or 6, which is characterized in that
When open mode turns soil pressure mode, include the following steps:
S1 removes the connection between oscillating bearing assembly (11) and connecting plate (13), and the oil pressure for adjusting pusher (8-1) makes to push
Device (8-1) decline, sliding block assembly (8-2) decline synchronous with pusher (8-1), while the rear portion of screw conveyor (4) is with cunning
The decline of block assembly (8-2), which synchronizes, to be rotated down, until screw conveyor (4) are rotated to horizontal position；
Screw conveyor (4) is extracted from main driving (3) and is moved backward screw conveyor (4), makes screw conveyor by S2
(4) main driving (3) is avoided in tail portion；
S3, the oil pressure for adjusting pusher (8-1) rise pusher (8-1), and sliding block assembly (8-2) is synchronous with pusher (8-1)
Rise, screw conveyor (4) rotates upwards with the rising synchronous of sliding block assembly (8-2), until the front of screw conveyor (4)
It is opposite with anterior shield spiral shell base；
S4 moves screw conveyor (4) obliquely, connecting joint bearing assembly (11) and anterior shield spiral shell base；
When soil pressure mode turns open mode, include the following steps:
S1 removes the connection between oscillating bearing assembly (11) and anterior shield spiral shell base, by screw conveyor (4) from anterior shield spiral shell base
Upper extraction；
S2, the oil pressure for adjusting pusher (8-1) decline pusher (8-1), and sliding block assembly (8-2) is synchronous with pusher (8-1)
Decline, screw conveyor (4) are rotated down as the decline of sliding block assembly (8-2) synchronizes, until screw conveyor (4) turn to
Horizontal position；
S3 moves screw conveyor (4) horizontally forward, and screw conveyor (4) are inserted into main driving (3)；
S4, the oil pressure for adjusting pusher (8-1) rise pusher (8-1), and sliding block assembly (8-2) is synchronous with pusher (8-1)
Rise, the rear portion of screw conveyor (4) is rotated up with the rising synchronous of sliding block assembly (8-2), until screw conveyor (4)
Angle between horizontal position is 4 °, later connecting joint bearing assembly (11) and connecting plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913491.1A CN110513117B (en) | 2019-09-25 | 2019-09-25 | Mode switching device of double-mode shield screw machine and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913491.1A CN110513117B (en) | 2019-09-25 | 2019-09-25 | Mode switching device of double-mode shield screw machine and using method |
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| CN110513117A true CN110513117A (en) | 2019-11-29 |
| CN110513117B CN110513117B (en) | 2021-07-09 |
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| CN201910913491.1A Active CN110513117B (en) | 2019-09-25 | 2019-09-25 | Mode switching device of double-mode shield screw machine and using method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879028A (en) * | 2021-01-28 | 2021-06-01 | 中铁工程装备集团有限公司 | Full-face tunnel boring machine soil bin sediment water separation structure |
| CN113217010A (en) * | 2021-04-23 | 2021-08-06 | 中铁工程装备集团有限公司 | Double-mode shield machine mode conversion construction method |
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| CN112879028A (en) * | 2021-01-28 | 2021-06-01 | 中铁工程装备集团有限公司 | Full-face tunnel boring machine soil bin sediment water separation structure |
| CN113217010A (en) * | 2021-04-23 | 2021-08-06 | 中铁工程装备集团有限公司 | Double-mode shield machine mode conversion construction method |
| CN113217010B (en) * | 2021-04-23 | 2023-02-07 | 中铁工程装备集团有限公司 | Dual-mode shield tunneling machine mode conversion construction method |
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| CN110513117B (en) | 2021-07-09 |
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