CN207048784U - A kind of vertical structure shield machine - Google Patents
A kind of vertical structure shield machine Download PDFInfo
- Publication number
- CN207048784U CN207048784U CN201720706337.3U CN201720706337U CN207048784U CN 207048784 U CN207048784 U CN 207048784U CN 201720706337 U CN201720706337 U CN 201720706337U CN 207048784 U CN207048784 U CN 207048784U
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- China
- Prior art keywords
- prefabricated board
- cutter head
- prefabricated
- support body
- motor
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of vertical structure shield machine, it is made up of tower crane device, prefabricated panel guide, prefabricated board, more piece spiral discharge device, one-level spiral discharging, cutter head hydraulic pushing device, cutter head, prefabricated board and perpendicularity correcting device, prefabricated board gatherer, prefabricated board tube wall, operating platform；The tower crane device is fixedly mounted on the upside of the earth, the hole of appropriate depth is excavated in the downside of tower crane device, cutter head is arranged in hole, cutter head hydraulic pushing device is installed on the upside of cutter head, one-level spiral discharging is installed with the upside of cutter head hydraulic pushing device, one-level spiral discharging is connected with more piece spiral discharge device；The utility model adjusts posture while prefabricated board is installed by the prefabricated board mounting assembly of hydraulic pressure hole wall and prevents from offseting；It is easy to the adjustment of perpendicularity；The hole wall excavated carries out installation splicing by prefabricated baffle plate erecting device, protects the place with excavation, can prevent the soil property rock fall that hole wall is loose.
Description
Technical field
The digging technology field of straight large hole is the utility model is related to, specifically a kind of vertical structure shield machine.
Background technology
Shield machine, shielding tunnel excavator is named as entirely, be that a kind of special engineering of tunnel piercing is mechanical, modern shield driving
Machine integrates light, mechanical, electrical, liquid, sensing, information technology, has and excavates the cutting soil body, the native quarrel of conveying, assembled tunnel-liner, survey
Amount is oriented to the functions such as correction, is related to the multi-door subject technology such as geology, building, machinery, mechanics, hydraulic pressure, electric, control, measurement, and
And the design and manufacture of " cutting the garment according to the figure " formula are carried out according to different geology, reliability requirement is high；Shield excavation machine is extensive
For Tunnel Engineering such as subway, railway, highway, municipal administration, water power.
The basic functional principle of shield machine be exactly a cylinder steel component along canal axes when pushing ahead to soil
Earth is excavated；The housing of the cylinder component is shield, and it plays temporary support to the also unlined Tunnel Section excavated
Effect, bear the pressure of soil layer around, sometimes also subject to ground water pressure and by underground water gear outside；Excavation, casting, lining
The operations such as block are carried out under the shielding of shield.
The cavity of the big depth of major diameter is excavated temporarily without this problem device of the solution of some at present, and existing equipment is only
The excavation of small hole can be carried out.
Utility model content
The purpose of this utility model is to provide a kind of vertical structure shield machine, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：
A kind of vertical structure shield machine, is by tower crane device, prefabricated panel guide, prefabricated board, more piece spiral discharge device, one-level spiral shell
Screw out material, cutter head hydraulic pushing device, cutter head, prefabricated board and perpendicularity correcting device, prefabricated board gatherer, prefabricated board pipe
Wall, operating platform composition；The tower crane device is fixedly mounted on the upside of the earth, and appropriate depth is excavated in the downside of tower crane device
Hole, cutter head is arranged in hole, is provided with cutter head hydraulic pushing device on the upside of cutter head, cutter head hydraulic pushing device it is upper
Side is installed with one-level spiral discharging, and one-level spiral discharging is connected with more piece spiral discharge device, more piece spiral discharge device
Extend on the outside of the hole of the earth；The prefabricated board is mounted by means of bolts on the rear side of cutter head with perpendicularity correcting device,
Prefabricated board is connected with the top prefabricated board of perpendicularity correcting device, and the top of prefabricated board passes through prefabricated panel guide and tower crane device phase
Even, prefabricated board is installed on prefabricated board guide rail interior；Prefabricated board tube wall is enclosed with the outside of the prefabricated board gatherer；It is described
Operating platform is arranged on the right side of tower crane device.
As further program of the utility model：The cutter head is by cutter head hydraulic motor, roller knife, radial expansion knife
Head frame, telescopic hydraulic cylinder, radial expansion cutter head, head sickle head, support body A, gear frame composition；Wherein cutter head hydraulic pressure horse
It is fixedly mounted on up to by gear frame on support body A, the side of the support body A opens up fluted, radial expansion cutter head fixed mount peace
It is connected in groove, and with telescopic hydraulic cylinder, the grafting of radial expansion cutter head is arranged on radial expansion cutter head fixed mount；It is described
Roller knife and head sickle head are arranged on support body A bottom.
As the utility model further scheme：The tower crane device is moved by pylon, lifting platform, motor A, left and right
Moving axis, hang pawl, motor B, movable axle composition；Wherein lifting platform is arranged on the centre of pylon, is provided with the bottom of lifting platform
Left and right shifting axle and movable axle, left and right shifting axle and movable axle are mutually perpendicular to install, and left and right shifting axle is arranged on
On the upside of movable axle；The motor A and motor B are connected with left and right shifting axle and movable axle respectively.
As the utility model further scheme：The one-level spiral discharging is by spiral transferring motor, discharging opening gear
Plate, spiral discharging shell, screw composition；Wherein screw is connected with spiral transferring motor, and screw is arranged on spiral
The inside of discharging shell, discharging opening is offered on the top of spiral discharging shell, the upside of discharging opening is provided with spiral transferring motor, spiral shell
Discharging opening baffle plate is installed on the right side of rotation transmission of electricity machine.
As the utility model further scheme：The upside of the cutter head is provided with drainage arrangement, and drainage arrangement passes through
Pipeline is connected with suction pump.
As the utility model further scheme：The prefabricated board and perpendicularity correcting device are by support body B, arcuation
Support body, prefabricated board clamp device, hydraulic cylinder, fixing body slewing motor, the vertical support of prefabricated panel mounting mechanism, raise-lower hydraulic
Cylinder, revolution support, reversing frame, prefabricated board installation clamp device support, upper prefabricated board scotch, lower prefabricated board scotch group
Into；Wherein arcuation support body is arranged on support body B sidepiece, has prefabricated board clamp device in arcuation erection of frames；Prefabricated board is arranged on
The upside of arcuation support body；The upper prefabricated board scotch is arranged on the bottom of prefabricated panel guide, the bottom of upper prefabricated board scotch
Provided with prefabricated board gatherer, the bottom of prefabricated board gatherer is provided with lower prefabricated board scotch；The hydraulic cylinder is arranged on frame
Body B front side；The reversing frame is installed clamp device support by prefabricated board and is connected with support body B, is set in the bottom of reversing frame
There is revolution support, the madial wall for turning round support is provided with the vertical support of prefabricated panel mounting mechanism, prefabricated panel mounting mechanism
The side wall of vertical support is provided with lifting hydraulic cylinder；The fixing body slewing motor is arranged on the bottom of reversing frame close to circle
The position in week.
Compared with prior art, the beneficial effects of the utility model are：
1. adjusting posture while prefabricated board is installed by the prefabricated board mounting assembly of hydraulic pressure hole wall prevents from offseting；It is easy to hang down
The adjustment directly spent；
2. discharge system is combined by more piece spiral transferring, with the increase of depth, spiral transferring assemble successively realization with
The increase of depth and increase；
3. the hole wall excavated carries out installation splicing by prefabricated baffle plate erecting device, the place with excavation is protected, can be with
Prevent the soil property rock fall that hole wall is loose；
4. the use of cutter head uses telescopic structure, such setting can be that the installation excavated space of prefabricated baffle plate is worked as
Equipment, which is excavated, to be completed, and cutter head recovery of stretching, tower crane slings equipment from hole bottom, and equipment returns to ground；
5. discharge solid-liquor separation, liquid is pumped out by water pump, and solid is exported by more piece spiral transferring, more convenient.
Brief description of the drawings
Fig. 1 is a kind of structural representation of vertical structure shield machine.
Fig. 2 is a kind of overlooking the structure diagram of cutter head in vertical structure shield machine.
Fig. 3 is a kind of main structure diagram of cutter head in vertical structure shield machine.
Fig. 4 is a kind of main structure diagram of head mast device in vertical structure shield machine.
Fig. 5 is a kind of side structure schematic view of head mast device in vertical structure shield machine.
Fig. 6 is a kind of structural representation of one-level spiral discharging in vertical structure shield machine.
Fig. 7 is a kind of structural representation of drainage arrangement in vertical structure shield machine.
Fig. 8 is a kind of structural representation of prefabricated baffle plate in vertical structure shield machine.
Fig. 9 is the structural representation that prefabricated board is overall with perpendicularity correcting device in a kind of vertical structure shield machine.
In figure：1- cutter heads hydraulic motor, 2- rollers knife, 3- radial expansion cutter heads fixed mount, 4- telescopic hydraulic cylinders, 5- are radially
Flexible cutter head, 6- heads sickle head, 7- support body A, 8- gear frame, 9- tower crane devices, the prefabricated panel guides of 10-, 11- prefabricated boards,
12- trucies, 13- the earth, 14- more pieces spiral discharge device, 15- one-levels spiral discharging, 16- cutter heads hydraulic pushing device, 17- knives
Head, 18- prefabricated boards and perpendicularity correcting device, 19- prefabricated boards gatherer, 20- prefabricated boards tube wall, 21- operator, 22- are grasped
Make that platform, 23- pylons, 2- lifting platforms, 25- motor A, 26- left and right shifting axle, 27- hang pawl, 28- motors B, 29- are moved forward and backward
Axle, 30- drainage arrangements, 31- support body B, 32- arcuations support body, 33- prefabricated boards clamp device, 34- hydraulic cylinders, the revolution of 35- fixing bodies
The vertical support of the prefabricated panel mounting mechanism of motor, 36-, 37- lifting hydraulic cylinders, 38- revolutions support, 39- reversing frames, 40-
Prefabricated board scotch under prefabricated board installation clamp device support, the upper prefabricated board scotch of 41-, 42-, 43- spiral transferrings motor,
44- discharging openings baffle plate, 45- spiral dischargings shell, 46- screws.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of vertical structure shield machine, is by tower crane device 9, prefabricated panel guide
10th, prefabricated board 11, more piece spiral discharge device 14, one-level spiral discharging 15, cutter head hydraulic pushing device 16, cutter head 17, prefabricated
Plate forms with perpendicularity correcting device 18, prefabricated board gatherer 19, prefabricated board tube wall 20, operating platform 22；The tower crane dress
9 upsides for being fixedly mounted on the earth 13 are put, excavate the hole of appropriate depth in the downside of tower crane device 9, cutter head 17 is arranged on hole
In hole, the upside of cutter head 17 is provided with cutter head hydraulic pushing device 16, and the upside of cutter head hydraulic pushing device 16 is installed with
One-level spiral discharging 15, one-level spiral discharging 15 are connected with more piece spiral discharge device 14, and more piece spiral discharge device 14 extends
To hole greatly；The prefabricated board is mounted by means of bolts on the rear side of cutter head 17 with perpendicularity correcting device 18,
Prefabricated board is connected with the top prefabricated board 11 of perpendicularity correcting device 18, and the top of prefabricated board 11 passes through prefabricated panel guide 10 and tower
Device for hoisting 9 is connected, and prefabricated board 11 is installed on inside prefabricated panel guide 10；The outside of the prefabricated board gatherer 19 is enclosed with
Prefabricated board tube wall 20；The operating platform 22 is arranged on the right side of tower crane device 9.
Refer to Fig. 2-3, the cutter head 17 be by cutter head hydraulic motor 1, roller knife 2, radial expansion cutter head fixed mount 3,
Telescopic hydraulic cylinder 4, radial expansion cutter head 5, head sickle head 6, support body A7, gear frame 8 form；Wherein cutter head hydraulic motor 1
It is fixedly mounted on by gear frame 8 on support body A7, the side of the support body A7 opens up fluted, radial expansion cutter head fixed mount 3
It is connected in groove, and with telescopic hydraulic cylinder 4, the grafting of radial expansion cutter head 5 is arranged on radial expansion cutter head fixed mount 3
On；The roller knife 2 and head sickle head 6 are arranged on support body A7 bottom.
Refer to Fig. 4-5, the tower crane device 9 is by pylon 23, lifting platform 24, motor A25, left and right shifting axle 26, hung
Pawl 27, motor B28, movable axle 29 form；Wherein lifting platform 24 is arranged on the centre of pylon 23, in the bottom of lifting platform 24
Provided with left and right shifting axle 26 and movable axle 29, left and right shifting axle 26 and movable axle 29 are mutually perpendicular to install, and left and right
Shifting axle 26 is arranged on the movable upside of axle 29；The motor A25 and motor B28 respectively with left and right shifting axle 26 and front and rear shifting
Moving axis 29 is connected.
Referring to Fig. 6, the one-level spiral discharging 15 be by spiral transferring motor 43, discharging opening baffle plate 44, spiral discharging outside
Shell 45, screw 46 form；Wherein screw 46 is connected with spiral transferring motor 43, and screw 46 is arranged on spiral discharging
The inside of shell 45, discharging opening being offered on the top of spiral discharging shell 45, the upside of discharging opening is provided with spiral transferring motor 43,
The right side of spiral transferring motor 43 is provided with discharging opening baffle plate 44.
Referring to Fig. 7, the upside of the cutter head 17 is provided with drainage arrangement 30, drainage arrangement 30 passes through pipeline and suction pump phase
Even.
Fig. 8-9 are referred to, the prefabricated board and perpendicularity correcting device 18 are by support body B31, arcuation support body 32, prefabricated board
The vertical support 36 of clamp device 33, hydraulic cylinder 34, fixing body slewing motor 35, prefabricated panel mounting mechanism, lifting hydraulic cylinder
37th, support 38, reversing frame 39, prefabricated board installation clamp device support 40, upper prefabricated board scotch 41, lower prefabricated board are turned round
Scotch 42 forms；Wherein arcuation support body 32 is arranged on support body B31 sidepiece, and prefabricated board gripping dress is provided with arcuation support body 32
Put 33；Prefabricated board 11 is arranged on the upside of arcuation support body 32；The upper prefabricated board scotch 41 is arranged on prefabricated panel guide 10
Bottom, the bottom of upper prefabricated board scotch 41 are provided with prefabricated board gatherer 19, and the bottom of prefabricated board gatherer 19 is provided with down
Prefabricated board scotch 42；The hydraulic cylinder 34 is arranged on support body B31 front side；The reversing frame 39 is installed by prefabricated board and gripped
Device support 40 is connected with support body B31, and revolution support 38 is provided with the bottom of reversing frame 39, turns round the inner side of support 38
Wall is provided with the vertical support 36 of prefabricated panel mounting mechanism, and the side wall of the vertical support 36 of prefabricated panel mounting mechanism is provided with lifting
Hydraulic cylinder 37；The fixing body slewing motor 35 is arranged on position of the bottom close to circumference of reversing frame 39；Work as excavating depth
Increase cutter head hydraulic pushing device 16 promote cutter head 17 to advance, now upper prefabricated board scotch 41 pack up do not have an effect it is prefabricated
The gatherer of plate 19 controls the slow whereabouts of prefabricated board, and when reaching a prefabricated board length, upper prefabricated board scotch 41 acts,
Prevention prefabricated board 11 acts with Gravitational sliding, now hydraulic cylinder 34, promotes support body B31, arcuation support body 32 and prefabricated board gripping
The assembly of these three components composition of device 33 travels forward, when arcuation support body 32 is close to prefabricated board 11, prefabricated board gripping dress
33 actions are put, cleft hand gos deep into the groove of prefabricated board 11 catching prefabricated board 11；Prefabricated board scotch 42 is packed up at present for this, prefabricated board
Gatherer 19 is packed up, and hydraulic cylinder shrinks the rotation of 34, fixing body slewing motor 35 and engaged with revolution support 38, drives
The reversing frame 39 that height is adjusted in the lifting hydraulic cylinder 37 that prefabricated 36 vertical support of panel mounting mechanism is supported rotates, now
By prefabricated board installation clamp device 40 support, two groups of prefabricated board mounting assemblies drive prefabricated board unitary rotation, work as position suitable
When, the action beginning of hydraulic cylinder 34 is overhanging, and now equipment also begins to detect perpendicularity, position and central axis when installation prefabricated board
During less than 90 °, the increase of hydraulic cylinder 34 action, in prefabricated board installation.
Operation principle of the present utility model is：Equipment using should first install head mast device by equipment head vertically sling and
The hole of appropriate depth is excavated in lower section, allows equipment to enter wherein, facilitates equipment in big ground excavated hole hole；Hydraulic drive is promoted and set
Standby 17- equipment cutter head advances has increased output length prefabricated board as excavating depth increases more piece spiral discharge device increase tube coupling
Guide rail increases prefabricated board, the installation of increase prefabricated board and perpendicularity correcting device, installs prefabricated board and corrects perpendicularity by hydraulic pressure；
The whereabouts of prefabricated board gatherer control prefabricated board is installed as already installed prefabricated board tube wall with prefabricated board.
Cutter head hydraulic motor excavates for equipment and provides circumferential power, is rotated in the transmission lower band moving frame body of gear frame so that
Drive, roller knife, the broken soil rock of head sickle head radial expansion cutter head are rotated in cutter head, wherein radial expansion cutter head is
Designed in order to increase radially broken diameter, fixed by radial expansion cutter head fixed mount and acted in telescopic hydraulic cylinder
The lower radial expansion for realizing cutter head, increases radial direction working area, provides radial space for prefabricated board installation, while pacify in hole body
Radial expansion cutter head shrinks when installing into, and device diameters diminish, easily equipment can be hung out from hole body bottom.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of vertical structure shield machine, it is characterised in that be by tower crane device, prefabricated panel guide, prefabricated board, more piece spiral discharging dress
Put, one-level spiral discharging, cutter head hydraulic pushing device, cutter head, prefabricated board and perpendicularity correcting device, prefabricated board gatherer,
Prefabricated board tube wall, operating platform composition；The tower crane device is fixedly mounted on the upside of the earth, is excavated in the downside of tower crane device
The hole of appropriate depth, cutter head are arranged in hole, and cutter head hydraulic pushing device, cutter head hydraulic drive are provided with the upside of cutter head
One-level spiral discharging is installed with the upside of device, one-level spiral discharging is connected with more piece spiral discharge device, more piece spiral
Drawing mechanism is extended on the outside of the hole of the earth；The prefabricated board is mounted by means of bolts on cutter head with perpendicularity correcting device
Rear side, prefabricated board is connected with the top prefabricated board of perpendicularity correcting device, and the top of prefabricated board passes through prefabricated panel guide and tower
Device for hoisting is connected, and prefabricated board is installed on prefabricated board guide rail interior；Prefabricated board is enclosed with the outside of the prefabricated board gatherer
Tube wall；The operating platform is arranged on the right side of tower crane device.
A kind of 2. vertical structure shield machine according to claim 1, it is characterised in that the cutter head be by cutter head hydraulic motor,
Roller knife, radial expansion cutter head fixed mount, telescopic hydraulic cylinder, radial expansion cutter head, head sickle head, support body A, gear frame group
Into；Wherein cutter head hydraulic motor is fixedly mounted on support body A by gear frame, and the side of the support body A opens up fluted, radial direction
Flexible cutter head fixed mount is arranged in groove, and is connected with telescopic hydraulic cylinder, and the grafting of radial expansion cutter head is arranged on radial expansion
On cutter head fixed mount；The roller knife and head sickle head are arranged on support body A bottom.
3. a kind of vertical structure shield machine according to claim 1, it is characterised in that the tower crane device is by pylon, lifting
Platform, motor A, left and right shifting axle, hang pawl, motor B, movable axle composition；Wherein lifting platform is arranged on the centre of pylon, is rising
The bottom of drop platform is provided with left and right shifting axle and movable axle, and left and right shifting axle and movable axle are mutually perpendicular to install, and left
Moving axis is moved to right to be arranged on the upside of movable axle；The motor A and motor B respectively with left and right shifting axle and movable axle phase
Even.
4. a kind of vertical structure shield machine according to claim 1, it is characterised in that the one-level spiral discharging is by spiral transferring
Motor, discharging opening baffle plate, spiral discharging shell, screw composition；Wherein screw is connected with spiral transferring motor, spiral dress
The inside for being arranged on spiral discharging shell is put, discharging opening is offered on the top of spiral discharging shell, the upside of discharging opening is provided with
Spiral transferring motor, discharging opening baffle plate is installed on the right side of spiral transferring motor.
5. a kind of vertical structure shield machine according to claim 1, it is characterised in that the upside of the cutter head fills provided with draining
Put, drainage arrangement is connected by pipeline with suction pump.
6. a kind of vertical structure shield machine according to claim 1, it is characterised in that the prefabricated board and perpendicularity correcting device
It is vertical by support body B, arcuation support body, prefabricated board clamp device, hydraulic cylinder, fixing body slewing motor, prefabricated panel mounting mechanism
Support, lifting hydraulic cylinder, revolution support, reversing frame, prefabricated board installation clamp device support, upper prefabricated board scotch,
Lower prefabricated board scotch composition；Wherein arcuation support body is arranged on support body B sidepiece, has prefabricated board gripping dress in arcuation erection of frames
Put；Prefabricated board is arranged on the upside of arcuation support body；The upper prefabricated board scotch is arranged on the bottom of prefabricated panel guide, upper prefabricated
The bottom of plate scotch is provided with prefabricated board gatherer, and the bottom of prefabricated board gatherer is provided with lower prefabricated board scotch；It is described
Hydraulic cylinder is arranged on support body B front side；The reversing frame is installed clamp device support by prefabricated board and is connected with support body B,
The bottom of reversing frame is provided with revolution support, and the madial wall for turning round support is provided with the vertical support of prefabricated panel mounting mechanism,
The side wall of the vertical support of prefabricated panel mounting mechanism is provided with lifting hydraulic cylinder；The fixing body slewing motor is arranged on revolution
The bottom of frame is close to the position of circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706337.3U CN207048784U (en) | 2017-06-18 | 2017-06-18 | A kind of vertical structure shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706337.3U CN207048784U (en) | 2017-06-18 | 2017-06-18 | A kind of vertical structure shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207048784U true CN207048784U (en) | 2018-02-27 |
Family
ID=61492925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720706337.3U Expired - Fee Related CN207048784U (en) | 2017-06-18 | 2017-06-18 | A kind of vertical structure shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207048784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060785A (en) * | 2017-06-18 | 2017-08-18 | 王志明 | A kind of vertical structure shield machine |
-
2017
- 2017-06-18 CN CN201720706337.3U patent/CN207048784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060785A (en) * | 2017-06-18 | 2017-08-18 | 王志明 | A kind of vertical structure shield machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20190618 |