CN109236309A - A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck - Google Patents
A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck Download PDFInfo
- Publication number
- CN109236309A CN109236309A CN201811263049.0A CN201811263049A CN109236309A CN 109236309 A CN109236309 A CN 109236309A CN 201811263049 A CN201811263049 A CN 201811263049A CN 109236309 A CN109236309 A CN 109236309A
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- cutterhead
- driving device
- interior
- retractable driving
- peripheral
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 70
- 230000009975 flexible effect Effects 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/087—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/0875—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 with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—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 with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses the telescopic cutterheads that one kind can get rid of poverty after cutter head of shield machine is stuck, it includes by peripheral cutterhead, the cutterhead of interior cutterhead and center cutterhead composition, it is characterized in that, in peripheral cutterhead, interior cutterhead and the center cutterhead back side are respectively equipped at least one for driving peripheral cutterhead, interior cutterhead, the peripheral cutterhead retractable driving device that center cutterhead moves axially back and forth along shield machine, interior cutterhead retractable driving device and center cutterhead retractable driving device, the periphery cutterhead retractable driving device, interior cutterhead retractable driving device and center cutterhead retractable driving device are with the control centre of shield machine by being electrically connected or being wirelessly connected, and it is elastic by control centre to control its.The telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck that the present invention obtains can be got rid of poverty by way of flexible peripheral cutterhead, interior cutterhead and center cutterhead after cutterhead is stuck, and cutterhead is made to restore use state.
Description
Technical field
The present invention relates to a kind of shield machines, and in particular to the telescopic knife that one kind can get rid of poverty after cutter head of shield machine is stuck
Disk.
Background technique
In recent years, Urbanization in China is accelerated, and more and more cities are asked using Feasibility of developing track transportation as this is solved
The effective means of topic.The underground space obtains high-intensitive development and utilization as the another precious resources in city, so that the underground space
It is more crowded, it is higher and higher to the construction requirement of underground engineering.Using shield machine excavate underpass have excavated volume it is small, to ring
The advantages that border disturbance is small, not will cause the sedimentation of periphery soil layer, and restrictive condition is few, mechanization degree is high, therefore in rail traffic
And it is widely applied in constructing tunnel.In the tunneling process of the stratum such as argillic horizon, farinose argillic horizon and argillaceous siltstoue, because mud is dense
Degree is not enough or concentration is excessive, so that some bigger cobbles, which are trapped in, excavates storehouse, to cause following problem: (1), high concentration
Mud can form one layer of thicker mud cake in excavation face, and knife disc tool is possibly embedded in mud cake；(2), after stopping promoting, knife
Disc spins time and mud circulation time are too short, and shutdown torque is excessive, and cutterhead is caused to be again started up difficulty；(3), driving terminates
Afterwards, there may be deformations to oppress cutterhead on stratum in pressure maintaining period, keeps cutterhead starting moment of friction larger, causes cutterhead stuck.Knife
Disk is stuck not only to seriously affect construction speed, but also can generate disturbance to stratum during getting rid of poverty, and endangers surface buildings.Cause
This, how providing one kind can prevent cutter head of shield machine stuck, and how cutterhead be made to get rid of poverty to shield machine after cutterhead is stuck
Using particularly important.
In view of the above-mentioned problems, China State Intellectual Property Office discloses, application No. is a kind of richnesses of 201611121888.X
The stuck method of getting rid of poverty of cutter head of shield machine in water sand pebble layer injects inertia into excavation storehouse by the ball valve on shield machine backboard
Slurries to carry out pressure holding step two to the soil body in front of cutterhead, in front of cutterhead at a certain distance from set several row's steel pipes hole, and
The length in steel pipe hole is set to be deep to shield machine bottom part down, steel pipe is arranged steel pipe in hole, successively sheathed pipe and glass fibers in steel pipe
Muscle is tieed up, and injects concrete in steel pipe, extracts steel pipe after concrete setting Step 3: operation cutter head of shield machine left-right rotary
Turn, step 2 is repeated if cutterhead can not rotate, until cutterhead can normally rotate.The patented technology method belongs to from external solution
Limitation except ground layer soil body to cutter head of shield machine, to get rid of poverty, operating process is comparatively laborious, and the operating time is longer, is not easy
It promotes.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide a kind of operation letter
Just, and cutter head of shield machine can be prevented stuck, and how to make after cutterhead is stuck that cutterhead gets rid of poverty can be in cutter head of shield machine card
The telescopic cutterhead after death got rid of poverty.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck, it includes by peripheral cutterhead, interior cutterhead and center
The cutterhead of cutterhead composition, which is characterized in that be respectively equipped at least one at peripheral cutterhead, interior cutterhead and the center cutterhead back side and be used for
The peripheral cutterhead retractable driving device that drives peripheral cutterhead, interior cutterhead, center cutterhead to move axially back and forth along shield machine, interior cutterhead
Retractable driving device and center cutterhead retractable driving device, the flexible driving dress of the periphery cutterhead retractable driving device, interior cutterhead
It sets with center cutterhead retractable driving device with the control centre of shield machine by being electrically connected or being wirelessly connected, and by control
It is elastic that the heart controls its.In this way, peripheral cutterhead, interior cutterhead and center cutterhead, which are respectively equipped with a retractable driving device, makes its cross
To flexible, meanwhile, each retractable driving device is connected with control centre respectively, can directly manipulate each knife by control centre
The runing time and operation amplitude of the retractable driving device of disk.To, after cutterhead is stuck, can according to specific stuck reason and
Current soil property situation in a different order and amplitude is stretched by peripheral cutterhead, interior cutterhead and center cutterhead solves corresponding
Cutterhead is by card problem.Situations such as collapsing because of cutterhead front soil layer, a large amount of dregs are accumulated in cutterhead front causes cutterhead that can not turn
Dynamic, by the retractable driving device after cutterhead, cutterhead first stretches retraction, mitigates cutterhead front strata pressure, so that cutterhead is extensive
Multiple rotation；It situations such as containing big partial size debris block in native storehouse, causes cutterhead stuck, is filled by the flexible driving after cutterhead
It sets, cutterhead, which first contracts, to be extended back, and the space Tu Cang is increased, and increases the shatter value of dregs in native storehouse, reduce limitation of the dregs to cutterhead, thus
So that cutterhead restores rotation.Using aforesaid operations method, the stuck situation of cutterhead can be quickly coped with, to help cutterhead de-
It is tired, so that cutterhead is restored normal use, prevents cutterhead to be stuck, influence the construction period.
Further, it is equipped with a through-hole in the middle part of interior cutterhead, is arranged with a cutter rotary axis, the knife in the through hole
Disk rotating shaft includes front rotary shaft and rear turntable, and fromer rail and a confession that one supplies interior cutterhead to slide back and forth are equipped on front rotary shaft
The rear rail that peripheral cutterhead slides back and forth is additionally provided with a blind hole, the center cutterhead retractable driving device peace in front rotary shaft front end
In the blind hole, the periphery cutterhead retractable driving device and interior cutterhead retractable driving device are wherein fixedly mounted one end respectively
On peripheral cutterhead and interior cutterhead, the other end is fixedly mounted on rear turntable.In this way, the rear turntable energy being arranged on cutter rotary axis
Retractable driving device enough for each cutterhead provides installation site, and the front rotary shaft on cutter rotary axis provides installation position for guide rail
It sets, meanwhile, set fromer rail and rear rail provide sliding path and track for peripheral cutterhead and interior cutterhead.
Further, the peripheral cutterhead retractable driving device, interior cutterhead retractable driving device and the flexible drive of center cutterhead
Dynamic device is jack, and in horizontally disposed.In this way, using existing jack as cutterhead retractable driving device after,
Load effect is more preferable, can be used for a long time rear indeformable, the flexible requirement of satisfaction peripheral cutterhead, interior cutterhead and center cutterhead.
Further, a cutterhead arm being socketed on rear rail, the cutterhead arm jacket are equipped at the peripheral cutterhead back side
It connects the lantern ring on rear rail and multiple wherein one end is fixed on lantern ring side, other end downward bending and is fixed on peripheral cutterhead
The support arm at the back side；The periphery cutterhead retractable driving device is wherein fixedly mounted on the rear turntable of cutter rotary axis one end,
The other end is fixedly mounted on corresponding support arm.In this way, the connection by cutterhead arm of the periphery in cutterhead, it will be able to
Connect with rear rail, so can be driven under the action of peripheral retractable driving device peripheral cutterhead on rear rail before move back
It is dynamic, it realizes flexible.Meanwhile using cutterhead arm after, point of gravity suffered by peripheral cutterhead and external force through each support arm on cutterhead arm
Xie Hou, external force suffered by rear rail is smaller, can share part gravity and external force for cutter rotary axis.
Further, the peripheral cutterhead retractable driving device, interior cutterhead retractable driving device is rounded respectively is distributed in
Peripheral cutterhead and the interior cutterhead back side.In this way, each peripheral cutterhead retractable driving device and interior cutterhead retractable driving device can
Flexible effect is played to peripheral cutterhead and interior cutterhead, the load of each retractable driving device can be reduced, increases its service life.
Further, a circular void mobile for interior cutterhead is equipped between the peripheral cutterhead and interior cutterhead.In this way,
Peripheral cutterhead and interior cutterhead would not generate friction in telescopic process, and cutterhead is caused to wear, and be peripheral cutterhead and interior cutterhead
It is flexible to provide enough spaces.
Further, the front rotary shaft of the fromer rail, rear rail and cutter rotary axis is integrally formed.In this way, fromer rail and
Rear rail is firm enough, and peripheral cutterhead and interior cutterhead fromer rail and rear rail in telescopic process can be prevented to be displaced.
Further, a collar stop is equipped in the rear and front end of fromer rail and rear rail.In this way, when peripheral cutterhead and
Interior cutterhead collar stop in sliding can play the role of limit, prevent peripheral cutterhead and interior cutterhead from skidding off and leading in sliding process
Outside rail, its normal use is influenced.
Compared with prior art, the telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck that the present invention obtains has
Following advantage:
1, peripheral cutterhead, interior cutterhead and center cutterhead are respectively equipped with a retractable driving device and make its transversal stretching, meanwhile, each
Retractable driving device is connected with control centre respectively, and the retractable driving device of each cutterhead can be directly manipulated by control centre
Runing time and operation amplitude.To, it, can be according to specific stuck reason and current soil property situation after cutterhead is stuck, it will
Peripheral cutterhead, interior cutterhead and center cutterhead are in a different order and amplitude is stretched, and solve the problems, such as corresponding cutterhead by card.
2, during cutterhead is got rid of poverty, after only need to checking stuck concrete reason, it will be able to according to stuck reason, directly control
Center operations processed, operating process is simple, convenient.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of telescopic cutterhead in embodiment；
Fig. 2 is peripheral cutterhead retracted position schematic diagram in embodiment.
In figure: peripheral cutterhead 1, cutterhead arm 11, support arm 111, interior cutterhead 2, cutter rotary axis 3, front rotary shaft 31, fromer rail
32, rear rail 33, rear turntable 34, center cutterhead 4, peripheral cutterhead retractable driving device 5, interior cutterhead retractable driving device 6, center
Cutterhead retractable driving device 7.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment:
The telescopic cutterhead provided in this embodiment that can be got rid of poverty after cutter head of shield machine is stuck, including by peripheral cutterhead 1, interior knife
The cutterhead that disk 2 and center cutterhead 4 form, is respectively equipped at least one use at peripheral cutterhead 1, interior cutterhead 2 and 4 back side of center cutterhead
In the peripheral cutterhead retractable driving device 5 for driving peripheral cutterhead 1, interior cutterhead 2, center cutterhead 4 to move axially back and forth along shield machine,
Interior cutterhead retractable driving device 6 and center cutterhead retractable driving device 7, the periphery cutterhead retractable driving device 5, interior cutterhead are stretched
Contracting driving device 6 and center cutterhead retractable driving device 7, which pass through with the control centre of shield machine, to be electrically connected or is wirelessly connected, and
It is elastic that its is controlled by control centre.It, can be right for the stuck situation of difference of cutterhead after the structure in the present embodiment
It carries out anticreep difficult position reason.Specifically, for being collapsed because of cutterhead front soil layer situations such as, cutterhead front are accumulated a large amount of dregs and are led
Cause cutterhead that can not rotate, by the retractable driving device after cutterhead, cutterhead first stretches retraction, mitigate cutterhead front strata pressure, from
And cutterhead is made to restore rotation.When specific operation, first passing through control centre drives peripheral cutterhead retractable driving device 5 to push forward
Driving again after the peripheral forward movement of cutterhead 1 certain distance outer is cutterhead retractable driving device 5 to after-contraction, drives peripheral cutterhead 1
Move backward certain distance (peripheral cutterhead should be greater than the distance moved forward to the distance of after-contraction)；Then interior knife is respectively driven
Disk retractable driving device 6 and center cutterhead retractable driving device 7 are to after-contraction, so that peripheral cutterhead 1, interior cutterhead 2 and center cutter
Disk 4 is in same plane.After completing aforesaid operations, entire cutterhead has moved backward a distance, to provide for dregs
The space fallen, at this time in conjunction on shield machine hydraulic fill pipeline and flushing pipe dregs be rinsed, clear up, to make knife
Disk is got rid of poverty completely.It situations such as containing big partial size debris block in native storehouse, causes cutterhead stuck, passes through the flexible driving after cutterhead
Device, cutterhead, which first contracts, to be extended back, and increases the space Tu Cang, increases the shatter value of dregs in native storehouse, reduces limitation of the dregs to cutterhead, from
And cutterhead is made to restore rotation.Using aforesaid operations method, the stuck situation of cutterhead can be quickly coped with, to help cutterhead de-
It is tired, so that cutterhead is restored normal use, prevents cutterhead to be stuck, influence the construction period.
As shown in Figure 1 and Figure 2, the specific mounting structure of the driving telescopic device of each cutterhead is as follows in the present embodiment: in interior knife
It is equipped with a through-hole in the middle part of disk 2, is arranged with a cutter rotary axis 3 in the through hole, the cutter rotary axis 3 includes front rotary shaft 31
With rear turntable 34, before fromer rail 32 and one that one slides back and forth for interior cutterhead 2 are equipped on front rotary shaft 31 for peripheral cutterhead 1
The rear rail 33 slided afterwards is equipped with a collar stop in the rear and front end of fromer rail and rear rail.31 front end of front rotary shaft also
Equipped with a blind hole, the center cutterhead retractable driving device 7 is mounted in the blind hole, the periphery cutterhead retractable driving device 5
Wherein one end is respectively and fixedly installed on peripheral cutterhead 1 and interior cutterhead 2 with interior cutterhead retractable driving device 6, the fixed peace of the other end
On rear turntable 34.Specifically, the fromer rail 32 in the present embodiment and rear rail 33 are equipped with multiple sliding slots, fromer rail 32
Peripheral cutterhead retractable driving device 5, an interior cutterhead retractable driving device are respectively corresponded with each sliding slot on rear rail 33
6。
Since shield machine volume is larger, the volume of cutterhead is also very big, it is therefore desirable to have sufficient intensity and jacking can stretch
Cutterhead could be pushed and be retracted by contracting rod piece.For these reasons, the peripheral cutterhead retractable driving device 5 in the present embodiment, interior
Cutterhead retractable driving device 6 and center cutterhead retractable driving device 7 are jack, and in horizontally disposed.Certainly, according to periphery
Cutterhead 1, interior cutterhead 2,4 volume and weight of center cutterhead, it is corresponding, between the quantity and adjacent jack of jack setting
Spacing is also different.In addition, the peripheral cutterhead retractable driving device 5, interior cutterhead retractable driving device 6 in the application are in respectively
Circular distribution is at 2 back side of peripheral cutterhead 1 and interior cutterhead, and all peripheral cutterhead retractable driving devices 5, the flexible driving of interior cutterhead fill
It sets 6 and is evenly distributed on peripheral cutterhead 1, on interior cutterhead 2, all periphery cutterhead retractable driving devices 5, interior cutterhead retractable driving device
6 fixed point is respectively positioned on same circumference, and with cutterhead concentric.After being arranged in this way, the stress of each flexible group east device 5 is big
Small uniform, service life is more preferable.
Since peripheral cutterhead 1 does not contact directly with cutter rotary axis 3, meanwhile, during getting rid of poverty, need to be operated alone
Peripheral cutterhead 1 is flexible, therefore, in order to realize the flexible of peripheral cutterhead 1, makes peripheral cutterhead 1 in the track lower slider of rear rail 33,
It is equipped with a cutterhead arm 11 being socketed on rear rail 33 at peripheral 1 back side of cutterhead, the packet of cutterhead arm 11 is socketed in rear rail
Lantern ring (being not drawn into figure) and multiple wherein one end on 33 are fixed on lantern ring side, other end downward bending and are fixed on periphery
The support arm 111 at 1 back side of cutterhead；The periphery cutterhead retractable driving device 5 is wherein fixedly mounted on cutter rotary axis 3 in one end
Afterwards on turntable 34, the other end is fixedly mounted on corresponding support arm 111.After cutterhead arm 11, weight suffered by peripheral cutterhead 1
After the decomposition of support arm 111 each on cutterhead arm 11, external force suffered by rear rail 33 is smaller for power and external force, can be cutter rotary
Axis 3 shares part gravity and external force.
It does not interfere with each other when flexible to meet peripheral cutterhead 1 and interior cutterhead 2, is equipped between the periphery cutterhead and interior cutterhead
One circular void mobile for interior cutterhead.
The front rotary shaft 31 of fromer rail 32, rear rail 33 and cutter rotary axis 3 in the present embodiment is integrally formed.In this way, preceding
Guide rail and rear rail are firm enough, can prevent peripheral cutterhead and interior cutterhead fromer rail and rear rail in telescopic process from position occur
It moves.Certainly, when it is implemented, welding or mechanical connection manner can also be used, but it is all not firm enough, after being used for a long time, it is easy to make
At falling off or damage.
Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, although applicant describes the invention in detail referring to preferred embodiment, those skilled in the art should be managed
Solution, modification or equivalent replacement of the technical solution of the present invention are made for those, without departing from the objective and range of the technical program,
It is intended to be within the scope of the claims of the invention.
Claims (8)
1. the telescopic cutterhead that one kind can get rid of poverty after cutter head of shield machine is stuck, it include by peripheral cutterhead, interior cutterhead and in
The cutterhead of heart cutterhead composition, which is characterized in that be respectively equipped at least one use at peripheral cutterhead, interior cutterhead and the center cutterhead back side
In drive peripheral cutterhead, interior cutterhead, center cutterhead to move axially back and forth along shield machine peripheral cutterhead retractable driving device, interior knife
Disk retractable driving device and center cutterhead retractable driving device, the periphery cutterhead retractable driving device, the flexible driving of interior cutterhead
Device and center cutterhead retractable driving device pass through control with the control centre of shield machine by being electrically connected or being wirelessly connected
It is elastic that center controls its.
2. the telescopic cutterhead according to claim 1 that can be got rid of poverty after cutter head of shield machine is stuck, which is characterized in that
It is equipped with a through-hole in the middle part of interior cutterhead, is arranged with a cutter rotary axis in the through hole, the cutter rotary axis includes front rotary shaft
With rear turntable, it is equipped with fromer rail that one slides back and forth for interior cutterhead on front rotary shaft and one slides back and forth for peripheral cutterhead
Rear rail is additionally provided with a blind hole in front rotary shaft front end, and the center cutterhead retractable driving device is mounted in the blind hole, described outer
Enclosing cutterhead retractable driving device and interior cutterhead retractable driving device, wherein one end is respectively and fixedly installed to peripheral cutterhead and interior cutterhead
On, the other end is fixedly mounted on rear turntable.
3. the telescopic cutterhead according to claim 1 or 2 that can be got rid of poverty after cutter head of shield machine is stuck, feature exist
In the periphery cutterhead retractable driving device, interior cutterhead retractable driving device and center cutterhead retractable driving device are very heavy
Top, and in horizontally disposed.
4. the telescopic cutterhead according to claim 2 that can be got rid of poverty after cutter head of shield machine is stuck, which is characterized in that
The peripheral cutterhead back side is equipped with a cutterhead arm being socketed on rear rail, the cutterhead arm packet be socketed in lantern ring on rear rail and
Multiple wherein one end are fixed on lantern ring side, other end downward bending and the support arm for being fixed on the peripheral cutterhead back side；It is described outer
Enclosing cutterhead retractable driving device, wherein one end is fixedly mounted on the rear turntable of cutter rotary axis, and the other end is fixedly mounted on relatively
On the support arm answered.
5. the telescopic cutterhead according to claim 1 or 2 that can be got rid of poverty after cutter head of shield machine is stuck, feature exist
In, the periphery cutterhead retractable driving device, interior cutterhead retractable driving device is rounded respectively is distributed in peripheral cutterhead and interior knife
The disk back side.
6. the telescopic cutterhead according to claim 1 or 2 that can be got rid of poverty after cutter head of shield machine is stuck, feature exist
In equipped with a circular void mobile for interior cutterhead between the periphery cutterhead and interior cutterhead.
7. the telescopic cutterhead according to claim 2 that can be got rid of poverty after cutter head of shield machine is stuck, which is characterized in that institute
The front rotary shaft for stating fromer rail, rear rail and cutter rotary axis is integrally formed.
8. the telescopic cutterhead according to claim 7 that can be got rid of poverty after cutter head of shield machine is stuck, which is characterized in that
The rear and front end of fromer rail and rear rail is equipped with a collar stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811263049.0A CN109236309A (en) | 2018-10-27 | 2018-10-27 | A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811263049.0A CN109236309A (en) | 2018-10-27 | 2018-10-27 | A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109236309A true CN109236309A (en) | 2019-01-18 |
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ID=65078786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811263049.0A Pending CN109236309A (en) | 2018-10-27 | 2018-10-27 | A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236309A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145190A (en) * | 2020-10-23 | 2020-12-29 | 中铁工程装备集团有限公司 | Hydraulic control system for telescopic main drive and cutter head swing of large-diameter shield tunneling machine |
| CN112324447A (en) * | 2020-12-05 | 2021-02-05 | 中铁工程装备集团有限公司 | Shield equipment capable of realizing underground butt joint and butt joint method |
| CN113530562A (en) * | 2021-07-05 | 2021-10-22 | 常州赑贝机械科技有限公司 | Stabilizing mechanism of shield machine and shield machine |
| CN114086974A (en) * | 2021-11-10 | 2022-02-25 | 江苏马超地下工程设备有限公司 | External diameter driven variable cutter head and diameter changing method |
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| CN104948198A (en) * | 2015-06-17 | 2015-09-30 | 蚌埠市行星工程机械有限公司 | Active telescopic shield cutter mechanism |
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| CN106050251A (en) * | 2016-07-29 | 2016-10-26 | 天津大学 | Two-stage telescopic heading machine combined cutterhead with adjustable open rate |
| CN106761787A (en) * | 2016-12-21 | 2017-05-31 | 宁波大学 | The variable spoke type shield cutter in outline excavation face and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06264681A (en) * | 1993-03-12 | 1994-09-20 | Mitsubishi Heavy Ind Ltd | Shield excavator |
| CN102562084A (en) * | 2012-03-15 | 2012-07-11 | 中交天和机械设备制造有限公司 | TBM (tunnel boring machine) cutter expansion and contraction device |
| CN202645577U (en) * | 2012-05-18 | 2013-01-02 | 天津大学 | Double-circle spoke plate type cutter plate for earth pressure balancing shield machine |
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| CN104948198A (en) * | 2015-06-17 | 2015-09-30 | 蚌埠市行星工程机械有限公司 | Active telescopic shield cutter mechanism |
| CN105257310A (en) * | 2015-11-04 | 2016-01-20 | 上海大学 | Heading face advance protective type shield |
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| CN112324447B (en) * | 2020-12-05 | 2022-04-29 | 中铁工程装备集团有限公司 | Shield equipment capable of realizing underground butt joint and butt joint method |
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