CN108374668A - Telescopic locking device for shield excavation machine Tu Cang and shell - Google Patents
Telescopic locking device for shield excavation machine Tu Cang and shell Download PDFInfo
- Publication number
- CN108374668A CN108374668A CN201810151800.1A CN201810151800A CN108374668A CN 108374668 A CN108374668 A CN 108374668A CN 201810151800 A CN201810151800 A CN 201810151800A CN 108374668 A CN108374668 A CN 108374668A
- Authority
- CN
- China
- Prior art keywords
- ring
- shell
- rotating ring
- cang
- determining
- 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.)
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Classifications
-
- 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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- 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
- E21D9/0635—Tail sealing means, e.g. used as end shuttering
Abstract
The present invention relates to a kind of telescopic locking devices for shield excavation machine Tu Cang and shell, including：The ring of determining being installed on shell, the other end for determining ring are extended to the position where native storehouse；It is nested in the rotating ring determined in ring, the rotating ring can determine ring and move back and forth along described, and the communication port offered at the top of the part for determining ring for being connected to the Tu Cang is stretched out on the rotating ring；And it is drivingly connected the driving structure of the rotating ring, the driving structure is installed on the shell, drives the rotating ring to determine ring along described and move by the driving structure.The present invention realizes Tu Cang and the closing of shell by determining ring and the relative motion of rotating ring and is connected to, and can install completely to shell, increases the construction space in front of shield, provides convenience for the replacement of cutter.
Description
Technical field
The present invention relates to shield method tunnel construction field, refer in particular to a kind of for the telescopic of shield excavation machine Tu Cang and shell
Locking device.
Background technology
At home, shield excavation machine is suitable by feat of its outstanding Land-Subsidence Control, high excavation efficiency and extensive stratum
Should be able to power, be widely used in the constructions such as subway, major diameter tunnel, subterranean pipe line.The envelope of wherein Tu Cang and shell
It is that shield increases one of personnel and the essential component of device security to close device.
Current general shield is to achieve the purpose that close Tu Cang and shell by screw machine gate, but for not making
For the hard rock shield of screw machine, the device for closing Tu Cang and shell is then more weak.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, provide a kind of for shield excavation machine Tu Cang and shell
Telescopic locking device solves existing shield and is asked without using the device of closing Tu Cang and shell when screw machine is more weak
Topic.
Realizing the technical solution of above-mentioned purpose is：
The present invention provides a kind of telescopic locking devices for shield excavation machine Tu Cang and shell, including：
The ring of determining being installed on shell, the other end for determining ring are extended to the position where native storehouse；
It is nested in the rotating ring determined in ring, the rotating ring can determine ring and move back and forth along described, be stretched out on the rotating ring
The communication port for being connected to the Tu Cang is offered at the top of the part for determining ring；And
It is drivingly connected the driving structure of the rotating ring, the driving structure is installed on the shell, passes through the driving
Structure drives the rotating ring determine ring along described and move, when rotating ring stretching is described determines ring, by the communication port, described
Rotating ring and it is described determine ring and be connected to the front region of the shell and the Tu Cang, when the rotating ring stretch into it is described determine in ring when,
The communication port, which is placed in, described determines in ring to close the shell front region and the Tu Cang.
The present invention realizes the closing of Tu Cang and shell by determining the relative motion of ring and rotating ring, is driven using driving structure
Rotating ring stretching determines ring to allow Tu Cang to be connected to shell, allows the dregs in native storehouse to enter shell, it is fixed that driving structure driving rotating ring stretches into
To close Tu Cang and shell in ring, the dregs obstructed in native storehouse enters shell with potential muddy water.The telescopic closing dress of the present invention
Set to install to shell completely, increase the construction space in front of shield, provide convenience for the replacement of cutter.
The present invention for shield excavation machine Tu Cang and shell telescopic locking device further improvement lies in that, it is described dynamic
It is equipped with Closed end plate close to the end of the communication port on ring, sealing ring is equipped at the outer of the Closed end plate, when described dynamic
Ring stretches into described when determining in ring, and the sealing ring is set between the end face for determining ring and the Closed end plate, described in sealing
Determine the junction of ring and the rotating ring.
The present invention for shield excavation machine Tu Cang and shell telescopic locking device further improvement lies in that, the envelope
The edge of closed end plate be equipped with to the protrusion determined ring direction and protruded out, the protrusion include in the Closed end plate
First arc transiting surface of surface connection and the first interface being connect with the arc transiting surface；
The end face for determining ring corresponds to the protrusion and is equipped with groove, and the groove includes corresponding with first interface
Second interface and the second arc transiting surface corresponding with first arc transiting surface；
The sealing ring is covered on first interface and first arc transiting surface, when the rotating ring stretches into institute
It states when determining in ring, first arc transiting surface and second arc transiting surface, which match, squeezes the sealing ring, described the
One interface and second interface, which match, squeezes the sealing ring, to seal the connection for determining ring and the rotating ring
Place.
The present invention for shield excavation machine Tu Cang and shell telescopic locking device further improvement lies in that, it is described fixed
On ring multiple guide grooves are offered along periphery；The guide groove is corresponded on the rotating ring and is equipped with guiding raised line, and the guiding is convex
Item is inserted in corresponding guide groove and can be in being moved back and forth along guide groove in the guide groove, to realize to institute
It is circumferentially positioned to state rotating ring progress.
The present invention for shield excavation machine Tu Cang and shell telescopic locking device further improvement lies in that, the drive
Dynamic structure includes the multiple telescopic oil cylinders being arranged circumferentially, and the telescopic oil cylinder is connected on the shell, and the telescopic oil cylinder
Guiding raised line corresponding on the rotating ring is fixedly connected, by the stretching motion of the telescopic oil cylinder drive the rotating ring along
It is described to determine ring and move back and forth.
The present invention for shield excavation machine Tu Cang and shell telescopic locking device further improvement lies in that, it is described to stretch
Contracting oil cylinder is equipped with oil cylinder seat, and the oil cylinder seat is fixedly connected with the shell.
The present invention for shield excavation machine Tu Cang and shell telescopic locking device further improvement lies in that, it is described to stretch
Contracting oil cylinder is equipped with stroke sensor.
The present invention for shield excavation machine Tu Cang and shell telescopic locking device further improvement lies in that, it is described fixed
On ring limit chuck internally protruding out and at the communication port is equipped with close to the end of the Tu Cang；The rotating ring
On stretch into the part determined in ring close to the endface of the communication port be equipped with limiting card compatible with the limit chuck
Slot limits the movement of the rotating ring by the limit card slot and the limit chuck, to prevent the rotating ring from described fixed
Abjection in ring.
The present invention for shield excavation machine Tu Cang and shell telescopic locking device further improvement lies in that, it is described fixed
Ring and the rotating ring are tube-in-tube structure, and the diameter of the rotating ring is adapted with the diameter for determining ring.
Description of the drawings
Fig. 1 is that telescopic locking device of the present invention for shield excavation machine Tu Cang and shell is installed in the knot on shield machine
Structure schematic diagram.
Fig. 2 is that the present invention closes Tu Cang and shell state for the telescopic locking device of shield excavation machine Tu Cang and shell
Structural schematic diagram.
Fig. 3 is that the present invention is connected to Tu Cang and shell state for shield excavation machine Tu Cang with the telescopic locking device of shell
Structural schematic diagram.
Fig. 4 is that structure of the present invention at sealing ring in the telescopic locking device of shield excavation machine Tu Cang and shell is put
Big schematic diagram.
Fig. 5 is structural representation of the present invention for rotating ring in the telescopic locking device of shield excavation machine Tu Cang and shell
Figure.
Fig. 6 is structural representation of the present invention for determining ring in the telescopic locking device of shield excavation machine Tu Cang and shell
Figure.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
Refering to fig. 1, it the present invention provides a kind of telescopic locking device for shield excavation machine Tu Cang and shell, is used for
Tu Cang and shell are closed, achievees the purpose that necessity is support personnel in device security.It solves existing to adopt without using screw machine
When being unearthed with belt feeder, the more weak problem of locking device.The present invention uses the form of multiple telescopic oil cylinder synchronization telescopes, reaches
Having arrived can allow the dregs in native storehouse to enter shell when telescopic oil cylinder all stretches out, when telescopic oil cylinder all bounces back, by dynamic
Ring and determine the sealing ring between ring, close Tu Cang and shell, the dregs obstructed in native storehouse enters shell with potential muddy water.Simultaneously again
Since the structure can be completely retracting to shell, the space in native storehouse is increased, is provided convenience for the replacement of cutter.It ties below
Attached drawing is closed to illustrate the telescopic locking device of shield excavation machine Tu Cang of the present invention and shell.
Refering to fig. 1, it is shown that telescopic locking device of the present invention for shield excavation machine Tu Cang and shell is installed in shield
Structural schematic diagram on structure machine.Referring to Fig.2, showing that telescopic closing of the present invention for shield excavation machine Tu Cang and shell fills
Set the structural schematic diagram of closing Tu Cang and shell state.With reference to Fig. 1 and Fig. 2, shield excavation machine Tu Cang is used for the present invention
It is illustrated with the telescopic locking device of shell.
As depicted in figs. 1 and 2, of the invention includes fixed for the telescopic locking device of shield excavation machine Tu Cang and shell
Ring 21, rotating ring 22 and driving structure 23, the telescopic locking device determine ring for closing or being connected to native storehouse 12 and shell 11
21 are installed on shell 11, and the other end for determining ring 21 is extended to the position at 12 place of native storehouse, this is determined ring 21 and is set to soil
Between storehouse 12 and shell 11；Rotating ring 22, which is nested in, to be determined in ring 21, which can move back and forth along ring 21 is determined, and rotating ring 22 is from calmly
There is the lower section that part is located at native storehouse 12 after being stretched out in ring 21, is stretched out on the rotating ring 22 at the top of the part for determining ring 21 and offer confession
The communication port 221 being connected to native storehouse 12, in conjunction with shown in 3, it is shown that rotating ring 22 stretches out the state for determining ring 21, passes through communication port at this time
221 are connected to native storehouse 12 so that the space A in native storehouse 12 is connected with 11 front region B of shell.Driving structure 23 is drivingly connected
Rotating ring 22, the driving structure 23 are installed on shell 11, are driven rotating ring 22 to be moved along ring 21 is determined by driving structure 23, are driven
Structure 23 drives rotating ring 22 to be moved to the rear portion for determining ring 21 along ring 21 is determined, and rotating ring 22 works as rotating ring from determining to stretch out in ring 21 at this time
22, from when determining to stretch out in ring 21, pass through communication port 221, rotating ring 22 and the front region B and Tu Cang that determine the connection shell 11 of ring 21
12, driving structure 23 can also drive rotating ring 22 to be moved towards the inside for determining ring 21 along ring 21 is determined, and rotating ring 22 is to determining ring at this time
It is moved in 21, when rotating ring 22, which stretches into, to be determined in ring 21, communication port 221, which is placed in, determines in ring 21 to close the front region of shell 11
B and native storehouse 12.
The present invention realizes the closing of Tu Cang and shell by determining the relative motion of ring and rotating ring, is driven using driving structure
Rotating ring stretching determines ring to allow Tu Cang to be connected to shell, allows the dregs in native storehouse to enter shell, it is fixed that driving structure driving rotating ring stretches into
To close Tu Cang and shell in ring, the dregs obstructed in native storehouse enters shell with potential muddy water.The telescopic closing dress of the present invention
Set to install to shell completely, increase the construction space in front of shield, provide convenience for the replacement of cutter.
As the better embodiment of the present invention, as shown in Figures 2 and 3, close to the end of communication port 221 on rotating ring 22
Equipped with Closed end plate 222, which is located at the outside for determining ring 21, plays sealing process, is extend into rotating ring 22 and determine ring
When in 21, which closes rotating ring 22 with the inner space for determining ring 21, to enclose the front region of shell 11
The connection of B and native storehouse 12.In conjunction with shown in Fig. 4, it is equipped with sealing ring 24 at the outer of Closed end plate 222, determines when rotating ring 22 is extend into
When in ring 21, which, which is set to, determines between the end face of ring 21 and Closed end plate 222, to determine ring using the sealing of sealing ring 24
21 with the junction of rotating ring 22.Sealing ring 24 is loop configuration, along one circle of outer setting of Closed end plate 222, the sealing ring
24 junctions for preferably sealing rotating ring 22 and determining ring 21, and the end of rotating ring 22 is sealed by Closed end plate 222, to hinder
Connection every native storehouse 12 and the front region B of shell 11.
Further, it is equipped with to the protrusion 2221 determined 21 direction of ring and protruded out in the edge of Closed end plate 222, this is convex
Rise 2221 include the first arc transiting surface 2222 being connect with the inner surface of Closed end plate 222 and with first arc transiting surface
First interface 2223 of 2222 connections；Determine ring 21 end face respective protrusions 2221 be equipped with groove 211, the groove 211 include with
First interface, 2223 corresponding second interface 2111 and second arc mistake corresponding with the first arc transiting surface 2222
Cross face 2112；Sealing ring 24 is covered in the first interface 2223 and the first arc transiting surface 2222, determines ring 21 when rotating ring 22 stretches into
When interior, the first arc transiting surface 2222 and the second arc transiting surface 2112 match crush seal circle 24, the first interface 2223
Crush seal circle 24 is matched with the second interface 2111, the junction of ring 21 and rotating ring 22 is determined with sealing.The of protrusion 2221
Perpendicular to rotating ring 22 and the peripheral surface for determining ring 21, sealing ring 24 has second interface 2111 of one interface 2223 and groove 211
Part is folded between the first interface 2223 and the second interface 2111, to by rotating ring 22 and determine the phase on 21 periphery wall of ring
Connect the gap sealing at place.The first obliquely setting of arc transiting surface 2222 of protrusion 2221, passes through the first arc transiting surface
2222 are obliquely installed, and by rotating ring 22 and the inclined setting that extends internally of seam for determining ring 21, sealing ring 24 has part to be folded in
Between first arc transiting surface 2222 and the second arc transiting surface 2112, sealing effect is improved.The sealing ring 24 play it is close
While envelope acts on, cushioning effect is also acted, rotating ring 22 can be buffered and determine the stress between ring 21, protect making for equipment
With safety and service life.
Preferably, the first arc transiting surface 2222 is arc-shaped concave, the second arc transiting surface 2112 is arc convex, the two
Mutual cooperation crush seal circle 24 deforms, to improve sealing effect.
As another better embodiment of the present invention, as shown in fig. 6, determining to offer multiple guiding along periphery on ring 21
Slot 212, guide groove 212 are arranged along the length direction for determining ring 21, and the end in the close soil storehouse 12 on determining ring 21 of guide groove 212
Place is formed with opening.Preferably, guide groove 212 is uniformly arranged in the periphery for determining ring 21.It is corresponding on rotating ring 22 in conjunction with shown in Fig. 5
Guide groove 212 be equipped be oriented to raised line 223, rotating ring 22 be nested in determine in ring 21 when, be oriented to raised line 223 be inserted in corresponding guiding
In slot 212, and being oriented to raised line 223 can be in being moved back and forth in guide groove 212 along guide groove 212, to realize to dynamic
Ring 22 carries out circumferentially positioned.Rotating ring 22 coordinates due to being oriented to raised line 223 and guide groove 212, prevents when along determining ring 21 and moving
Rotating ring 22 plays circumferentially positioned effect relative to the relative rotation for determining ring 21.
Further, as shown in Figures 2 and 3, driving structure 23 includes the multiple telescopic oil cylinders 231 being arranged circumferentially, and is stretched
Oil cylinder 231 is connected on shell 11, and corresponding on the rotating ring 22 guiding raised line of telescopic oil cylinder 231 223 is fixedly connected, by stretching
Contracting oil cylinder 231 drives rotating ring 22 to move back and forth along ring 21 is determined.Close to the end of telescopic oil cylinder 231 on being oriented to raised line 223
Equipped with connection otic placode, the cylinder rod of telescopic oil cylinder 231 is fixedly connected with the connection otic placode, by telescopic oil cylinder 231 it is flexible come
Band action-oriented raised line 223 moves back and forth along guide groove 212, and when the cylinder rod of telescopic oil cylinder 231 all stretches out, rotating ring 22 has
Part, which is stretched out, determines ring 21, and native storehouse 12 is connected with shell 11 at this time, can normally be unearthed, state is as shown in Figure 2；Work as telescopic oil cylinder
When 231 cylinder rod all bounces back, rotating ring 22, which stretches into, to be determined in ring 21, is closed between native storehouse 12 and shell 11 at this time, state such as Fig. 1
It is shown.
Preferably, telescopic oil cylinder 231 is equipped with oil cylinder seat 232, which is fixedly connected with shell 11.In shell
11 front is equipped with cutter plate driver structure 111, which is fixedly connected with cutter plate driver structure 111.Cutter plate driver structure
111 are used for the cutterhead of driving shield machine.It is installed with soil outlet at the center of cutter plate driver structure 111, is existed to determining the setting of ring 21
At the soil outlet, and the periphery for determining 21 end of ring is affixed and is fixedly connected with cutter plate driver structure 111, preferably, can adopt
It will determine ring 21 with welding to be fixed in cutter plate driver structure 111.
Preferably, being equipped with stroke sensor, the flexible stroke for feeding back telescopic oil cylinder 231, energy on telescopic oil cylinder 231
It reaches the entire rotating ring 22 of accurate feedback and determines the mutual state between ring 21, the control for telescopic oil cylinder 231 provides foundation.Telescopic oil cylinder
231 can provide power by emergent accumulator, can in case of emergency realize that unpowered works.
As another better embodiment of the present invention, as shown in Figures 2 and 3, determine on ring 21 close to the end in soil storehouse 12
Equipped with limit chuck 213 internally protruding out and at communication port 221；The part determined in ring 21 is stretched on rotating ring 22 to lean on
The endface of nearly communication port 221 is equipped with limit card slot 224 compatible with the limit chuck 213, passes through limit card slot 224 and limit
Position chuck 213 limits the movement of rotating ring 22, to which anti-locating snap ring 22 is from determining abjection in ring 21.Rotating ring 22, which stretches into, to be determined in ring 21
When state, as shown in Fig. 2, limit chuck 213 and the Closed end plate 222 of rotating ring 22 are affixed, which, which is located at, determines ring 21
Internal surface and the outer surface of rotating ring 22 is affixed；When ring 21 is determined in the stretching of rotating ring 22, as shown in figure 3, rotating ring 22 is moved to
Extreme position, the limit chuck 213 are arranged in limit card slot 224, to limit the movement of rotating ring 22, anti-locating snap ring 22
From determining abjection in ring 21.
The determine ring 21 and rotating ring 22 of the present invention is tube-in-tube structure, and inner hollow, it is both ends open to determine ring 21, and rotating ring 22
For one end open, rotating ring 22 there is one end of opening to be inserted into determines in ring 21, and the rotating ring 22 has part to be always positioned to determine ring 21
Interior, other part stretches into the inside for determining ring 21 with moving for rotating ring 22 or from determining to stretch out in ring 21, the diameter of rotating ring 22
It is adapted with the diameter for determining ring 21.Preferably, the bottom of rotating ring 22 is further opened with for clearing up the remaining slag of rotating ring comprehensive function
The cleaning eye of soil, the cleaning eye can be also used in rotating ring and between determining to provide an observation rotating ring after ring completes installation and determine ring
The window in gap.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (9)
1. a kind of telescopic locking device for shield excavation machine Tu Cang and shell, which is characterized in that including：
The ring of determining being installed on shell, the other end for determining ring are extended to the position where native storehouse；
Be nested in the rotating ring determined in ring, the rotating ring can determine ring and move back and forth along described, stretched out on the rotating ring described in
Determine to offer the communication port for being connected to the Tu Cang at the top of the part of ring；And
It is drivingly connected the driving structure of the rotating ring, the driving structure is installed on the shell, passes through the driving structure
Drive the rotating ring to determine ring along described and move, when the rotating ring stretch out it is described determine ring when, pass through the communication port, the rotating ring
And it is described determine ring and be connected to the front region of the shell and the Tu Cang, when the rotating ring stretch into it is described determine in ring when, it is described
Communication port, which is placed in, described determines in ring to close the shell front region and the Tu Cang.
2. being used for the telescopic locking device of shield excavation machine Tu Cang and shell as described in claim 1, which is characterized in that institute
It states the end on rotating ring close to the communication port and is equipped with Closed end plate, be equipped with sealing ring at the outer of the Closed end plate, work as institute
State rotating ring stretch into it is described the sealing ring is set between the end face for determine ring and the Closed end plate when determining in ring, to seal
The junction for determining ring and the rotating ring.
3. being used for the telescopic locking device of shield excavation machine Tu Cang and shell as claimed in claim 2, which is characterized in that institute
The edge for stating Closed end plate is equipped with to the protrusion determined ring direction and protruded out, and the protrusion includes and the Closed end plate
Inner surface connection the first arc transiting surface and the first interface for being connect with the arc transiting surface；
The end face for determining ring corresponds to the protrusion and is equipped with groove, and the groove includes and first interface corresponding second
Interface and the second arc transiting surface corresponding with first arc transiting surface；
The sealing ring is covered on first interface and first arc transiting surface, when the rotating ring stretch into it is described fixed
When in ring, first arc transiting surface and second arc transiting surface, which match, squeezes the sealing ring, first pair described
Junction and second interface, which match, squeezes the sealing ring, to seal the junction for determining ring and the rotating ring.
4. being used for the telescopic locking device of shield excavation machine Tu Cang and shell as described in claim 1, which is characterized in that institute
It states and determines to offer multiple guide grooves along periphery on ring；The guide groove is corresponded on the rotating ring is equipped with guiding raised line, it is described to lead
It is inserted in corresponding guide groove to raised line and can be in being moved back and forth along guide groove in the guide groove, to realize
The rotating ring is carried out circumferentially positioned.
5. being used for the telescopic locking device of shield excavation machine Tu Cang and shell as claimed in claim 4, which is characterized in that institute
It includes the multiple telescopic oil cylinders being arranged circumferentially to state driving structure, and the telescopic oil cylinder is connected on the shell, and described flexible
Oil cylinder guiding raised line corresponding on the rotating ring is fixedly connected, and the rotating ring is driven by the stretching motion of the telescopic oil cylinder
Determine ring along described and move back and forth.
6. being used for the telescopic locking device of shield excavation machine Tu Cang and shell as claimed in claim 5, which is characterized in that institute
It states telescopic oil cylinder and is equipped with oil cylinder seat, the oil cylinder seat is fixedly connected with the shell.
7. being used for the telescopic locking device of shield excavation machine Tu Cang and shell as claimed in claim 5, which is characterized in that institute
It states telescopic oil cylinder and is equipped with stroke sensor.
8. being used for the telescopic locking device of shield excavation machine Tu Cang and shell as described in claim 1, which is characterized in that institute
It states and determines the end on ring close to the Tu Cang equipped with limit chuck internally protruding out and at the communication port；It is described
The part determined in ring is stretched on rotating ring is equipped with limit compatible with the limit chuck close to the endface of the communication port
Position card slot limits the movement of the rotating ring by the limit card slot and the limit chuck, to prevent the rotating ring from institute
It states and determines abjection in ring.
9. being used for the telescopic locking device of shield excavation machine Tu Cang and shell as described in claim 1, which is characterized in that institute
It states and determines ring and the rotating ring for tube-in-tube structure, and the diameter of the rotating ring is adapted with the diameter for determining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151800.1A CN108374668B (en) | 2018-02-14 | 2018-02-14 | Telescopic locking device for shield excavation machine Tu Cang and shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151800.1A CN108374668B (en) | 2018-02-14 | 2018-02-14 | Telescopic locking device for shield excavation machine Tu Cang and shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108374668A true CN108374668A (en) | 2018-08-07 |
| CN108374668B CN108374668B (en) | 2019-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810151800.1A Active CN108374668B (en) | 2018-02-14 | 2018-02-14 | Telescopic locking device for shield excavation machine Tu Cang and shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108374668B (en) |
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| CN109403989A (en) * | 2018-12-28 | 2019-03-01 | 中铁工程装备集团有限公司 | A kind of muddy water open type double mode development machine |
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|---|---|---|---|---|
| CN109184719A (en) * | 2018-08-29 | 2019-01-11 | 上海隧道工程有限公司 | Open wide and close chest earth pressure balance double mode list shield TBM development machine |
| CN109184719B (en) * | 2018-08-29 | 2020-05-08 | 上海隧道工程有限公司 | Open and close chest earth pressure balance double mode single shield TBM entry driving machine |
| CN109339816A (en) * | 2018-12-04 | 2019-02-15 | 中船重工（青岛）轨道交通装备有限公司 | The slag gathering hopper of double mode TBM |
| CN109403989A (en) * | 2018-12-28 | 2019-03-01 | 中铁工程装备集团有限公司 | A kind of muddy water open type double mode development machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108374668B (en) | 2019-10-22 |
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