CN208330375U - A kind of rock tunnel(ling) machine - Google Patents
A kind of rock tunnel(ling) machine Download PDFInfo
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- CN208330375U CN208330375U CN201820671323.7U CN201820671323U CN208330375U CN 208330375 U CN208330375 U CN 208330375U CN 201820671323 U CN201820671323 U CN 201820671323U CN 208330375 U CN208330375 U CN 208330375U
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- support
- tunnel
- ling
- shoe apparatus
- support ring
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- 239000011435 rock Substances 0.000 title claims abstract description 55
- 238000011161 development Methods 0.000 claims abstract description 19
- 230000001141 propulsive effect Effects 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 24
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000916 dilatatory effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 241000233633 Phytophthora drechsleri Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
This application discloses a kind of rock tunnel(ling) machines, including development machine ontology, propelling cylinder is connected on the development machine ontology, it further include the support ring for supportting shoe apparatus and being connected on the support shoe apparatus, the support ring is located at the rear of the propelling cylinder, the support shoe apparatus gives support ring offer holding power for stretching tunnel, so that the support ring provides propulsive thrust to the propelling cylinder.Rock tunnel(ling) machine provided by the present application, during geological conditions preferable constructing tunnel, normal driving and stepping can be also able to achieve under conditions of segment assembly does not carry out lining cutting to Tunnel wall, to be greatly improved construction efficiency, and dramatically save construction cost.
Description
Technical field
The utility model belongs to tunneling equipment technical field, and in particular to a kind of rock tunnel(ling) machine.
Background technique
Rock tunnel(ling) machine (TBM) is used exclusively for the complete construction equipment of large size of lithostratigraphy tunnel excavation, wherein shield
Formula rock tunnel(ling) machine is both needed to assembled concrete pipe sheet to provide the active force of propulsion or stepping for equipment, together in the construction process
When, the segment assembly on Tunnel wall can carry out lining cutting to Tunnel wall also to improve the stability of hole wall, it is ensured that the peace in tunnel
Entirely.
In the construction process, propelling cylinder promotes oil during pushing ahead or stepping to shield formula rock tunnel(ling) machine
Cylinder need to be supported on along the section of jurisdiction that tunnel is laid with, and the reaction force of propelling cylinder is born by section of jurisdiction.It can thus be seen that shield
Shield formula rock tunnel(ling) machine in the construction process, is required to along tunnel segment assembly, to provide the work of advance or stepping for host
Firmly.
However, the distance due to tunneling is usually long, the geological conditions on the stratum that tunnel line is passed through is often
It is inhomogenous, such as the rock tunnel of a 15km, it is most likely that successively pass through weak surrounding rock, fault belt and structure
Make complete medium ground, wherein constructed in complete medium ground in country rock, the hole wall in tunnel have preferable stability and
Safety is carried out lining cutting to Tunnel wall without segment assembly and is applied in this case using shield formula rock tunnel(ling) machine
Work still carries out segment assembly, can greatly increase construction volume, and construction efficiency is low, increases construction cost, to cannot reach most
Good construction efficiency and economy.
Therefore it provides a kind of rock tunnel(ling) machine, the active force for making equipment advance can be also provided in not segment assembly, reduce
The construction cost in the tunnel in the complete stratum of country rock is those skilled in the art's technical problem urgently to be solved.
Utility model content
In view of the above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of rock tunnel(ling) machine,
During the preferable constructing tunnel of geological conditions, the support shoe apparatus of the rock tunnel(ling) machine can directly stretching be on the hole wall in tunnel
Support ring provides holding power, so that support ring provides propulsive thrust to propelling cylinder, is being not required to the rock tunnel(ling) machine to Tunnel
Under conditions of wall segment assembly, it is also able to achieve normal driving and stepping, so as to effectively improve construction efficiency and reduce construction
Cost.
The technical scheme that the utility model is provided is as follows:
A kind of rock tunnel(ling) machine, including development machine ontology are connected with propelling cylinder on the development machine ontology, further include support
Shoe apparatus and the support ring being connected on the support shoe apparatus, the support ring are located at the rear of the propelling cylinder, the support
Shoe apparatus gives support ring offer holding power for stretching tunnel, so that the support ring is anti-to propelling cylinder offer
Thrust.
Further, the support shoe apparatus includes that rack, stretching oil cylinder and support boots, the stretching oil cylinder are fixedly connected on institute
It states in rack, the support boots is connected on the stretching oil cylinder, the stretching oil cylinder is for driving the support stretcher for boot and shoe tightly in tunnel
On.
Further, the development machine ontology joist passes through the middle part of the support shoe apparatus, and the support shoe apparatus can be in institute
It states and is slided on joist.
Further, the support shoe apparatus can be slided on the joist specifically, being equipped with support wheel, institute in the rack
Joist is stated equipped with slideway, the support wheel can move in the slideway.
Further, the rack is equipped with range sensor, for monitoring the rack at a distance from the joist.
Further, the support wheel is equipped with range sensor, for monitor the support wheel and the joist away from
From.
Further, at least provided with a pair of stretching oil cylinder, the stretching oil cylinder is symmetrical arranged, and stretching is in tunnel respectively
Two sides.
Further, the support ring is equipped with towed equipment, and the towed equipment is for pulling the support ring and institute
Support shoe apparatus is stated to move forward.
Further, the junction of the support ring and the support shoe apparatus is equipped with buffer unit.
Further, the support ring includes that at least two pieces of support chips, the support chip is assembled into ring structure.
Rock tunnel(ling) machine provided by the utility model, including support ring and support shoe apparatus, are connected on development machine ontology and push away
Oil inlet cylinder, support shoe apparatus support support ring to bear the propulsive thrust of propelling cylinder, geological conditions is general or preferable tunnel
In road work progress, under conditions of Tunnel wall still has good security and stability when not segment assembly carries out lining cutting, support
The direct stretching of shoe apparatus is on the hole wall of tunnel two sides, by the frictional force between support shoe apparatus and hole wall country rock, to bear to prop up
The propulsive thrust and torque for the propelling cylinder that pushing out ring transmitting comes.It supports shoe apparatus and support ring and provides support for propelling cylinder, make the pick
Into machine under conditions of being not required to Tunnel wall segment assembly, it is also able to achieve normal driving and stepping, reduces construction working
Amount, to be greatly improved construction efficiency, dramatically saves construction cost, with good economic efficiency；In addition, changing
The dependence that traditional development machine supports section of jurisdiction expands the adaptation range of equipment.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of existing rock tunnel(ling) machine；
Fig. 2 is the structural schematic diagram of the support shoe apparatus and support ring of rock tunnel(ling) machine provided in this embodiment；
Fig. 3 is the front section view of the support shoe apparatus and support ring of rock tunnel(ling) machine provided in this embodiment；
Fig. 4 is the structural schematic diagram of the tightening device of rock tunnel(ling) machine provided in this embodiment；
Fig. 5 is the structural schematic diagram of the support ring of rock tunnel(ling) machine provided in this embodiment；
Fig. 6 is that the tightening device of rock tunnel(ling) machine provided in this embodiment and the top view of support ring junction (are not drawn into
Support ring)；
Fig. 7 is structural schematic diagram when rock tunnel(ling) machine provided in this embodiment is constructed without section of jurisdiction.
Description of symbols: support ring 1；Supporting block 101；Support shoe apparatus 2；Support boots 201；Stretching oil cylinder 202；Rack 203；
Support wheel 204；Attachment beam 205；Convex block 206；Supporting block 207；Propelling cylinder 3；Development machine ontology 4；Assembling machine 5；Section of jurisdiction 6；Pipe
Piece loop wheel machine 8；Buffer unit 9；Joist 10；Slideway 1001；Supporting leg 1002；.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.
Firstly the need of explanation, direction pointed by " forward " described herein, " front side " or " front " refers to
The direction that rock tunnel(ling) machine driving advances；Conversely, the direction of " rear " meaning, opposite to tunnel direction of advance with rock tunnel(ling) machine
Direction.
As shown in Figures 1 to 7, a kind of rock tunnel(ling) machine provided in this embodiment, including development machine ontology 4, the driving
It is connected with propelling cylinder 3 on machine ontology 4, further includes the support ring 1 for supportting shoe apparatus 2 and being connected on the support shoe apparatus 2, it is described
Support ring 1 is located at the rear of the propelling cylinder 3, and the support shoe apparatus 2 is for stretching tunnel to provide branch to the support ring 1
Holding force, so that the support ring 1 provides propulsive thrust to the propelling cylinder 3.
Rock tunnel(ling) machine provided in this embodiment, including support ring 1 and support shoe apparatus 2, are connected on development machine ontology 4
Propelling cylinder 3, support shoe apparatus 2 support support ring 1 to bear the propulsive thrust of propelling cylinder 3, geological conditions it is general or compared with
During good constructing tunnel, Tunnel wall carries out the item for still having good security and stability when lining cutting in not segment assembly 6
Under part, support the direct stretching of shoe apparatus 2 on the hole wall of tunnel two sides, by support shoe apparatus 2 and hole wall country rock between frictional force,
To bear the propulsive thrust and torque of the propelling cylinder 3 that the transmitting of support ring 1 comes.Support shoe apparatus 2 and support ring 1 are that propelling cylinder 3 mentions
For support, make the development machine under conditions of being not required to Tunnel wall segment assembly 6, be also able to achieve normal driving and stepping,
Construction workload is reduced, to be greatly improved construction efficiency, dramatically saves construction cost, there is good economic effect
Benefit；In addition, changing the dependence that traditional development machine supports section of jurisdiction 6, the adaptation range of equipment is expanded.
Wherein, the front side of support shoe apparatus 2 is arranged in support ring 1, and support ring 1 is used to support propelling cylinder 3, bears to promote oil
The propulsive thrust of cylinder 3, support 2 stretching tunnel two sides of shoe apparatus hole wall on, by support shoe apparatus 2 and hole wall country rock between friction
Power, to bear the propulsive thrust and torque of the propelling cylinder 3 that the transmitting of support ring 1 comes.Support ring 1 and support shoe apparatus 2 can be fixation
Connection, is such as bolted and fixed, is also possible to be flexibly connected, and in the present embodiment, preferably support ring 1 and support shoe apparatus 2 can
Disassembly is flexibly connected, the installation and transport of ring 1 easy to support and support shoe apparatus 2.Propelling cylinder 3 is supported by support ring 1, to pushing away
The support connection effect of oil inlet cylinder 2 is more preferable, and propelling cylinder 3 can be made to keep suitably promoting position during propulsion.
Preferably, 1 outer diameter of support ring is equal with 6 outer diameter of section of jurisdiction on the wall of hole, on 1 internal diameter of support ring and hole wall in section of jurisdiction 6
Diameter is equal, is conducive to support ring 1 and is supported to propelling cylinder 3.Because the poor construction section of country rock needs in constructing tunnel
Lining cutting is carried out to hole wall segment assembly 6, and at the preferable location of country rock, using rock tunnel(ling) machine provided in this embodiment, no
6 trimmed tunnel hole wall of segment assembly is needed, therefore, in the changeover portion of the preferable construction section of country rock and the poor construction section of country rock,
The inside and outside diameter of support ring 1 is respectively designed to equal with the assembled inside and outside diameter of section of jurisdiction 6, can make on support ring 1 and Tunnel wall
Assembled section of jurisdiction 6 has good transition connection function.
Support shoe apparatus 2 is further described in the present embodiment, and the support shoe apparatus 2 includes rack 203, stretching oil cylinder
202 are fixedly connected in the rack 203 with support boots 201, the stretching oil cylinder 202, on the stretching oil cylinder 202 described in connection
Boots 201 are supportted, the stretching oil cylinder 202 is for driving 201 stretching of support boots in tunnel.
Rack 203 may be provided at tunnel bottom, and for stretching oil cylinder 202 to be fixedly mounted, rack 203 is preferred in the present embodiment
Using steel construction, make rack 203 that there is enough intensity.During stretching, the driving support boots 201 of stretching oil cylinder 202 stretch out directly
On the hole wall for being tightly supported on tunnel to support boots 201, to make to support shoe apparatus 2 with enough dynamics with the biography of balanced support ring 1
Pass the thrust of the propelling cylinder 202 come.Support boots 201 and hole wall contact position are also provided with stabilizer, convenient for control support boots
201 moving direction keeps the support stretching on the wall of hole of boots 201 more steady, without shaking.When propelling cylinder 3 completes a pick
Into follow it is bad after, propelling cylinder 3 bounces back, and the retraction of stretching oil cylinder 3 drives support boots 201 to leave hole wall, then by the rock tunnel(ling) machine to
The width of preceding one endless tube piece of movement, the driving support boots 201 of stretching oil cylinder 3 stretch out stretching hole wall, and the stretching of propelling cylinder 202, which is held out against, is propping up
The front end face of pushing out ring 1 continues next P. drechsleri.
The connection of support ring 1 and tightening device 2 is specifically, be connected with attachment beam 205, even in the rack 203 of tightening device 2
It connects and is fixedly connected with convex block 206 by bolt, screw rod, nut or other connecting components on beam 205, convex block 206 can also pass through
It is weldingly fixed on attachment beam 205, attachment beam 205 is whole L-shaped with convex block 206, convex block 206 and the fixed company of support ring 1
It connects, so that support ring 1 and support shoe apparatus 2 be connected.At least two attachment beams 205 are preferably provided with, on every attachment beam 205
At least one convex block 206 is uniformly distributed convex block 206 in support ring 1 or symmetrical.
Preferably, the joist 10 of the development machine ontology 4 passes through the middle part of the support shoe apparatus 2, and the support shoe apparatus 2 can
It is slided on the joist 10.Specific joist 10 passes through the middle part of rack 203, and rack 203 can be slided on joist 10, thus
Entire support shoe apparatus 2 is driven to relatively move on joist 10, convenient for during tunneling stepping, support shoe apparatus 2 is moved forward.?
The end of the joist 10 of development machine ontology 4 is equipped with supporting leg 1002, and supporting leg 1002 is preferably retractable structure, supporting leg 1002
Top is fixedly connected by flange with joist 10, and its underpart uses roller supporting and movement, is tunneled forward in development machine ontology 4
During convenient for joist 10 move forward, also, by be arranged supporting leg 1002 make joist 10 have enough intensity to bear
Support the weight of shoe apparatus 2.When having carried out the construction of section of jurisdiction 6, support ring 1, assembled tunnel duct piece 6 need to be only removed, support shoe apparatus 2 is pacified
On joist 10, disassembly support shoe apparatus 2 is not needed.
The support shoe apparatus 2 can be slided on the joist 10 specifically, being equipped with support wheel 204, institute in the rack 203
Joist 10 is stated equipped with slideway 1001, the support wheel 204 can move in the slideway 1001.The setting of rack 203 is being tunneled
On machine ontology 4, rack 203 includes supporting block 207, and two supporting blocks 207 are symmetrically distributed in the two sides of joist 10, each supporting block
207 are fixed at least one support wheel 204 on the side of joist 10, along the axially opposing support wheel of joist 10 on joist 10
204 position is equipped with slideway 1001, and support wheel 204 is located in slideway 1001 and can slide along slideway.In the present embodiment, one piece
Preferably fixed setting is there are three support wheel 204 in supporting block 207, and slideway 1001 is preferably channel-shaped, and it is sliding that support wheel 204 is stuck in channel-shaped
In road 1001, and support wheel 204 can be slided along slideway 1001 without deviating from out of slideway 1001.Rack 203 further includes having
Retaining mechanism, retaining mechanism make to support the opposite holding of joist 10 in starting stretching process of shoe apparatus 2 for locking rack 203
It is motionless, and during development machine ontology 4 tunnels forward, locking device unlock, rack 203 can be slided with respect to joist 10.It is logical
Sliding frame 203 and retaining mechanism locking are crossed, the Support Position of support shoe apparatus 2 can also be accurately adjusted.
More preferred, the rack 203 is equipped with range sensor, for monitoring the rack 203 and the joist
10 distance.During rock tunnel(ling) machine driving, the lithology that can be potentially encountered tunnel two sides hole wall is different, may go out
The rock stratum hardness of existing side hole wall is big, and the rock stratum hardness of side hole wall is small, thus during supportting 2 stretching of shoe apparatus, it supports
Shoe apparatus 2 is deviated to the small side of rock stratum hardness, or even causes rack 203 and 10 making contact of joist, therefore is set on joist 10
Set range sensor, during stretching real-time monitoring rack 203 between joist 10 at a distance from, convenient for support shoe apparatus 2 into
Row adjustment in real time, prevents support shoe apparatus 2 from tilting to the side Dong Bi, also avoids rack 203 and 10 making contact of joist.
In the present embodiment, the support wheel 204 be equipped with range sensor, for monitor the support wheel 204 with it is described
The distance of joist 10.Specifically, range sensor is arranged close to the centre of 10 one end of joist in support wheel 204, supervise in real time
The end face of support wheel 204 is surveyed at a distance from 1001 inner sidewall of slideway of joist 10, to adjust support shoe apparatus 2 in time, prevents from propping up
The end face of support wheel 204 is contacted with the touching of 1001 inner sidewall of slideway.
Specifically, the pairs of stretching oil cylinder 202 is symmetrical arranged, respectively at least provided with a pair of stretching oil cylinder 202
Two sides of the stretching in tunnel.In the present embodiment, four pairs of stretching oil cylinders 202 are preferably provided with, are arranged in parallel in the upper of rack 203 respectively
Portion and lower part, 203 top of rack are arranged in parallel with two pairs of stretching oil cylinders 202 in the horizontal direction, and 203 lower part of rack is in the horizontal direction
Two pairs of stretching oil cylinders 202 are arranged in parallel with, the stretching oil cylinder 202 for being distributed in 203 top and the bottom of rack is corresponding two-by-two, and by rack
The 203 stretching oil cylinders 202 that will be distributed over top and the bottom are fixedly connected.Four pairs of stretching oil cylinders 202, the support boots of every side are set
Connection is there are four stretching oil cylinder 202 on 201, thus make to support shoe apparatus 2 more stably stretching on tunnel.It certainly, can also be every
Support boots 201 are individually provided on one stretching oil cylinder 202.
In the present embodiment, the support ring 1 is equipped with towed equipment, and the towed equipment is for pulling the support ring 1
It is moved forward with the support shoe apparatus 2.The preferably dilatory oil cylinder of towed equipment, the both ends of dilatory oil cylinder are connected to front driving
On machine ontology and in support ring 1, when propelling cylinder 3 completes a P. drechsleri, propelling cylinder 3 bounces back, and it is subsequent to draw oil cylinder
Retraction, so that support ring 1 and support shoe apparatus 2 be pulled to move forward together.Dilatory cylinder structure is simple, easy to operate, accounts for
Space is small.
Preferably, the support ring 1 and the junction of the support shoe apparatus 2 are equipped with buffer unit 9.Buffer unit 9 can be with
It is that the flexible component such as spring or rubber pad or device delay during moving forward support ring 2 and support shoe apparatus 3
Flushing device 9 can effectively prevent support ring 2 and support shoe apparatus 3 that rigid collision occurs.
Wherein, the support ring 2 includes at least two pieces of supporting blocks 101, and the supporting block 101 is assembled into ring structure.
Specifically, supporting block 101 preferably uses the curved support block of steel material, it is preferred to use four pieces of curved support blocks are assembled into annulus
Shape structure.Each supporting block 101 can be carried out assembled cyclization by the existing duct piece assembling machine 5 of rock tunnel(ling) machine, be adopted between supporting block 101
It is carried out being detachably fixed connection, transport, disassembly, installation and the maintenance of ring 1 easy to support with bolt or other attachment devices.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of rock tunnel(ling) machine, including development machine ontology (4), propelling cylinder (3) are connected on the development machine ontology (4),
It is characterized in that, further including the support ring (1) for supportting shoe apparatus (2) and being connected on support shoe apparatus (2), the support ring
(1) it is located at the rear of the propelling cylinder (3), the support shoe apparatus (2) is for stretching tunnel to provide to the support ring (1)
Holding power, so that the support ring (1) provides propulsive thrust to the propelling cylinder (3).
2. rock tunnel(ling) machine according to claim 1, which is characterized in that the support shoe apparatus (2) include rack (203),
Stretching oil cylinder (202) and support boots (201), the stretching oil cylinder (202) are fixedly connected on the rack (203), the stretching
The support boots (201) are connected on oil cylinder (202), the stretching oil cylinder (202) is for driving support boots (201) stretching in tunnel
On.
3. rock tunnel(ling) machine according to claim 2, which is characterized in that the joist (10) of the development machine ontology (4) is worn
The middle part of support shoe apparatus (2) is crossed, the support shoe apparatus (2) can be slided on the joist (10).
4. rock tunnel(ling) machine according to claim 3, which is characterized in that the support shoe apparatus (2) can be in the joist
(10) specifically, the rack (203) is equipped with support wheel (204), the joist (10) is equipped with slideway (1001) for sliding on,
The support wheel (204) can move in the slideway (1001).
5. rock tunnel(ling) machine according to claim 3, which is characterized in that the rack (203) is equipped with range sensor,
For monitoring the rack (203) at a distance from the joist (10).
6. rock tunnel(ling) machine according to claim 4, which is characterized in that the support wheel (204) is equipped with Distance-sensing
Device, for monitoring the support wheel (204) at a distance from the joist (10).
7. rock tunnel(ling) machine according to claim 2, which is characterized in that at least provided with a pair of stretching oil cylinder (202),
The stretching oil cylinder (202) is symmetrical arranged, respectively two sides of the stretching in tunnel.
8. rock tunnel(ling) machine according to claim 1, which is characterized in that the support ring (1) is equipped with towed equipment, institute
Towed equipment is stated for pulling the support ring (1) and the support shoe apparatus (2) to move forward.
9. rock tunnel(ling) machine according to claim 1, which is characterized in that the support ring (1) and the support shoe apparatus (2)
Junction be equipped with buffer unit (9).
10. rock tunnel(ling) machine according to claim 1, which is characterized in that the support ring (1) includes at least two pieces of branch
Bracer (101), the supporting block (101) are assembled into ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671323.7U CN208330375U (en) | 2018-05-07 | 2018-05-07 | A kind of rock tunnel(ling) machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671323.7U CN208330375U (en) | 2018-05-07 | 2018-05-07 | A kind of rock tunnel(ling) machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330375U true CN208330375U (en) | 2019-01-04 |
Family
ID=64776699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820671323.7U Active CN208330375U (en) | 2018-05-07 | 2018-05-07 | A kind of rock tunnel(ling) machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330375U (en) |
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2018
- 2018-05-07 CN CN201820671323.7U patent/CN208330375U/en active Active
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Address after: 410100 No. 88 Dongqi Road, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Co-patentee after: China Railway Construction Heavy Industry Co.,Ltd. Patentee after: HUANENG YARLUNG TSANGPO RIVER HYDROPOWER DEVELOPMENT INVESTMENT Co.,Ltd. Address before: 410100 No. 88 Dongqi Road, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Co-patentee before: China Railway Construction Heavy Industry Co.,Ltd. Patentee before: HUANENG YARLUNG TSANGPO RIVER HYDROPOWER DEVELOPMENT INVESTMENT Co.,Ltd. |