CN108397217B - The tunnel steel arch frame transport fitting machine and method that achievable monitoring element is laid in advance - Google Patents
The tunnel steel arch frame transport fitting machine and method that achievable monitoring element is laid in advance Download PDFInfo
- Publication number
- CN108397217B CN108397217B CN201810018304.9A CN201810018304A CN108397217B CN 108397217 B CN108397217 B CN 108397217B CN 201810018304 A CN201810018304 A CN 201810018304A CN 108397217 B CN108397217 B CN 108397217B
- Authority
- CN
- China
- Prior art keywords
- steel arch
- shelf
- monitoring element
- advance
- laid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 238000012544 monitoring process Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000009987 spinning Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 24
- 230000032258 transport Effects 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine and methods, including mobile platform, equipped with rotating mechanism on the mobile platform, it is provided with extension type mechanical shaft on the rotating mechanism, the mechanical shaft upper end is provided with plummer；Multiple mechanical arms disposed in parallel are additionally provided on the mobile flat rubber belting, the end of the mechanical arm is provided with rotary part, and the rotary part can do spinning movement centered on mechanical arm axle, and the rotary part end is provided with the handgrip of fixed arch.The present invention solve it is existing stood as artificial lift lifted by crane caused by arch after the disadvantages of arch is mobile difficult, large labor intensity, improve construction efficiency, ensured the safety of construction personnel.
Description
Technical field
The present invention relates to a kind of tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine and methods.
Background technique
During constructing tunnel, in form of the poor country rock section of rock-mass quality frequently with arch supporting, traditional arch
Frame installment work multi-pass, which is crossed, is promoted to arch in construction trolley, and then arch is fixed on to position by manpower, will be encircleed
Frame is sequentially connected closure cyclization.Single Pin arch also has larger quality, and manual work intensity is big, and safety is poor, inefficiency.And
For arch Internal Force Monitoring, traditional approach often carries out the welding of strain gauge again after arch splicing is installed, and causes manpower
Waste, and operate extremely inconvenient.Existing equipment cannot achieve tunnel initial support steel arch-shelf transport, erect, monitoring element lay
Automation and high efficiency, it is necessary to develop the mechanical device of a kind of novel tunnel arch transport, installation, it is above difficult to solve
Topic.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes a kind of tunnel steel arch frame that achievable monitoring element is laid in advance transport
Fitting machine and method, the present invention solve the existing mobile difficult, labour of arch after standing lifting caused by arch as artificial lift by force
The disadvantages of big is spent, construction efficiency is improved, has ensured the safety of construction personnel.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine, including mobile platform, the movement
Equipped with rotating mechanism on platform, it is provided with extension type mechanical shaft on the rotating mechanism, the mechanical shaft upper end is provided with
Plummer；Multiple mechanical arms disposed in parallel are additionally provided on the mobile flat rubber belting, the end of the mechanical arm is provided with rotation
Component, the rotary part can do spinning movement centered on mechanical arm axle, and the rotary part end is provided with fixed arch
The handgrip of frame.
Further, the arch is fixed on monitoring element by fixing piece and lays on platform in advance.
Further, the rotating mechanism can realize that 360 degree rotate freely, to adjust the flat orientation of plummer；It stretches
Contraction type mechanical bar can carry out length adjustment according to the distance between plummer and arch installation site, adjust together with rotating mechanism
The three-dimensional space position of plummer.
Preferably, plummer is hanging basket.
Further, the mechanical arm is scalable mechanical arm.
Further, the distance between the handgrip and rotary part are adjustable.
Further, the fixing piece is multiple, is successively laid in monitoring element and lays platform in advance.
Further, the mechanical arm is controlled using oil cylinder, can lay in advance platform in the monitoring element according to arch
The length of position adjustment telescopic arm.
Further, the mobile platform is crawler-type mobile platform.
Working method based on above-mentioned fitting machine, comprising:
(1) in tunnel when arch installation procedure, arch is fixed on to the monitoring element on transport fitting machine to lay in advance and is put down
On platform；
(2) transport fitting machine is travelled to needing to erect at arch position, if this section there are arch monitoring needs, is being supervised
Survey element is laid be monitored laying element operation to arch on platform in advance；
(3) it adjusts telescopic magic hand arm and grabs steel arch-shelf, and using rotating mechanism and be mounted on flexible on rotating mechanism
The location and installation of bar realization steel arch-shelf；Intermediate one group of mechanical arm is adjustable to longer position, can make 360 around axle center after grabbing arch
Degree rotation, left and right sides rotating mechanism are not influence intermediate one group of telescopic arm to carry out by direction clockwise and anticlockwise respectively
Rotation；
(4) after arch is installed to corresponding position, hanging basket position is adjusted using rotating mechanism and flexible mechanical shaft, will be constructed
Personnel send to corresponding position, complete steel arch-shelf bolt.
In the step (2), it includes but is not limited to the welding for carrying out strain gauge and distributed light that monitoring element, which lays operation,
The bonding of fiber grating sensor.
Compared with prior art, the invention has the benefit that
1, the present invention solve it is existing stood as artificial lift lifted by crane caused by arch after arch is mobile difficult, large labor intensity
The disadvantages of, construction efficiency is improved, has ensured the safety of construction personnel；
2, by mobile platform, arch conevying efficiency is substantially increased；
3, using telescopic mechanical arm and front end handgrip snatch arch, with reference to duct pieces of shield tunnel mounting means, it can be achieved that arch
The positioning of frame is efficiently installed；
4, the pre- laying that arch monitoring element can be achieved in plate conveyor, can will such as arch strain gauge and distribution type fiber-optic
Monitoring element is welded in advance or is bonded on arch, is avoided and is monitored laying element again after arch closure cyclization and is not easy to grasp
The property made；
5, whole device further includes personnel's nacelle device of rotating mechanism and mechanical arm control, and construction personnel can be made efficient
The bolt of easy realization arch.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1,2 are structure of the invention overall schematics；
Fig. 3 is that arch of the present invention rotates scheme of installation；
Fig. 4 is arch assembly schematic diagram of the present invention；
Fig. 5 is steel arch-shelf of the present invention placement and the pre- installation aiding device schematic diagram of monitoring element.
Wherein, 1, crawler type carrying platform, 2, rotating mechanism, 3, telescopic mechanical shaft, 4, hanging basket, 5, telescopic magic hand
Arm, 6, rotating mechanism, 7, telescopic rod, 8, handgrip, 9, steel arch-shelf placement and the pre- installation aiding device of monitoring element, 10, fixed module,
11, steel arch-shelf, 12, arch strain gauge；
Specific embodiment:
The invention will be further described with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the present invention, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this hair
Bright each component or component structure relationship and the relative of determination, not refer in particular to either component or element in the present invention, cannot understand
For limitation of the present invention.
In the present invention, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection,
It is also possible to be integrally connected or is detachably connected；It can be directly connected, it can also be indirectly connected through an intermediary.For
The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the present invention as the case may be,
It is not considered as limiting the invention.
As shown in Figure 1, a kind of for just propping up the new type mechanical device of vertical arch installation, including shoe in tunnels and underground engineering
Belt carrying platform 1, rotating mechanism 2 are carried to platform 1, and telescopic mechanical shaft 3, telescopic machine are connected on rotating mechanism 2
3 front end of tool bar is equipped with hanging basket 4, and telescopic mechanical arm 5 is mounted on platform, and rotating mechanism 6, rotating mechanism 6 one are installed in front end
Telescopic rod 7 is installed in side, and handgrip 8 is installed in 7 front end of telescopic rod, and steel arch-shelf placement and the pre- installation aiding device 9 of monitoring element are preposition in carrying
Platform 1, steel arch-shelf placement and installation multiple groups fixed module 11 on the pre- installation aiding device 9 of monitoring element, for disposing steel arch-shelf 11, and
Arch strain gauge 12 can be laid in advance.
Steel arch-shelf placement is preposition in front of carrying platform with the pre- installation aiding device of monitoring element, and arch is welded on device and is fixed
Module facilitates the arch fitting machine to place steel arch-shelf and guarantee that transportational process hogging rack position will not arbitrarily change
Operation of the tool device to arch；Arch transports in tunnel to installation region, can dispose in the steel arch-shelf and monitor member
Preparatory welding, the Surface Mount laying that the monitoring elements such as arch strain gauge, fiber-optic grating sensor are carried out on the pre- installation aiding device of part, avoid
Traditional arch again carries out the not ease for operation of sensor installation monitoring method after the completion of setting up.
It includes three groups of telescopic magic hand arms that arch, which installs mechanical device, is controlled using oil cylinder, can be according to arch in the steel
The length of arch placement and the position adjustment telescopic arm of the pre- installation aiding device of monitoring element, every group of telescopic magic hand arm one end installation rotation
Rotation mechanism can carry out 360 degree rotation around axle center.
A kind of new type mechanical device installed for just propping up vertical arch in tunnels and underground engineering, operating method are as follows:
(1) in tunnel when arch installation procedure, by steel arch-shelf 12 be fixed on to transport fitting machine on steel arch-shelf placement with
On fixed module 10 on the pre- installation aiding device 9 of monitoring element；
(2) transport fitting machine is travelled to needing to erect at arch position, if this section there are arch monitoring needs, in steel
Arch placement is monitored laying element operation to arch on the pre- installation aiding device 9 of monitoring element, such as carries out the welding of strain gauge
With the bonding of fibre-optical grating sensor；
(3) it adjusts telescopic magic hand arm 5 and grabs steel arch-shelf 12, and using rotating mechanism 6 and be mounted on rotating mechanism 6
The location and installation of the realization steel arch-shelf 12 of telescopic rod 7；Intermediate one group of mechanical arm is adjustable to longer position, can be around axis after crawl arch
The heart makees 360 degree rotation, left and right sides rotating mechanism be do not influence intermediate one group of telescopic arm can be respectively by clockwise and anticlockwise
Direction is rotated.
(4) after arch is installed to corresponding position, 4 position of hanging basket is adjusted using rotating mechanism 6 and flexible mechanical shaft, will be applied
Worker person send to corresponding position, completes steel arch-shelf 12 and bolts.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (6)
1. a kind of working method of the tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine, this method are based on one kind
Tunnel steel arch frame that achievable monitoring element is laid in advance transports fitting machine, including mobile platform, on the mobile platform equipped with
Rotating mechanism is provided with extension type mechanical shaft on the rotating mechanism, and the mechanical shaft upper end is provided with plummer；The shifting
Multiple mechanical arms disposed in parallel are additionally provided on moving platform, the end of the mechanical arm is provided with rotary part, the rotation
Component can do spinning movement centered on mechanical arm axle, and the rotary part end is provided with the handgrip of fixed steel arch-shelf；Institute
It is adjustable to state the distance between handgrip and rotary part；The steel arch-shelf is fixed on monitoring element by fixing piece lays platform in advance
On；The fixing piece be it is multiple, be successively laid in monitoring element and lay platform in advance；It is characterized in that: including:
(1) in tunnel when steel arch-shelf installation procedure, the monitoring element that steel arch-shelf is fixed on transport fitting machine is laid into platform in advance
On；
(2) transport fitting machine is travelled to needing to erect at steel arch rack position, if this section there are steel arch-shelf monitoring needs, is being supervised
Survey element is laid be monitored laying element operation to steel arch-shelf on platform in advance；
(3) it adjusts telescopic magic hand arm and grabs steel arch-shelf, and is real using rotating mechanism and the telescopic rod being mounted on rotating mechanism
The location and installation of existing steel arch-shelf；Intermediate one group of mechanical arm is adjusted to longer position, makees 360 degree around axle center after crawl steel arch-shelf and revolves
Turn, left and right sides rotating mechanism is not influence intermediate one group of telescopic arm to be rotated by direction clockwise and anticlockwise respectively；
(4) after steel arch-shelf is installed to corresponding position, hanging basket position is adjusted using rotating mechanism and flexible mechanical shaft, by constructor
Member send to corresponding position, completes steel arch-shelf bolt.
2. a kind of work side of the tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine as described in claim 1
Method, it is characterized in that: the rotating mechanism can realize that 360 degree rotate freely, to adjust the flat orientation of plummer；Telescopic machine
Tool pole-footing carries out length adjustment according to the distance between plummer and steel arch-shelf installation site, and plummer is adjusted together with rotating mechanism
Three-dimensional space position.
3. a kind of work side of the tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine as described in claim 1
Method, it is characterized in that: the mechanical arm is scalable mechanical arm.
4. a kind of work side of the tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine as described in claim 1
Method lays the position tune of platform according to steel arch-shelf it is characterized in that: the mechanical arm is controlled using oil cylinder in advance in the monitoring element
The length of whole telescopic arm.
5. a kind of work side of the tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine as described in claim 1
Method, it is characterized in that: the mobile platform is crawler-type mobile platform.
6. a kind of work side of the tunnel steel arch frame that achievable monitoring element is laid in advance transport fitting machine as described in claim 1
Method, it is characterized in that: it includes but is not limited to carry out the welding and distribution of strain gauge that monitoring element, which lays operation, in the step (2)
The bonding of formula fiber-optic grating sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810018304.9A CN108397217B (en) | 2018-01-09 | 2018-01-09 | The tunnel steel arch frame transport fitting machine and method that achievable monitoring element is laid in advance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810018304.9A CN108397217B (en) | 2018-01-09 | 2018-01-09 | The tunnel steel arch frame transport fitting machine and method that achievable monitoring element is laid in advance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108397217A CN108397217A (en) | 2018-08-14 |
| CN108397217B true CN108397217B (en) | 2019-11-19 |
Family
ID=63093791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810018304.9A Active CN108397217B (en) | 2018-01-09 | 2018-01-09 | The tunnel steel arch frame transport fitting machine and method that achievable monitoring element is laid in advance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397217B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386298B (en) * | 2018-11-16 | 2024-03-01 | 中铁十二局集团有限公司 | Prefabricated tunnel steel arch with monitoring facilities |
| CN110159322B (en) * | 2019-06-05 | 2024-05-31 | 四川蓝海智能装备制造有限公司 | Clamping device for steel arch and steel arch mounting trolley |
| CN113799089A (en) * | 2021-09-06 | 2021-12-17 | 南京蹑波物联网科技有限公司 | Automatic counterweight robot for splicing rail transit tunnel modules |
| CN115387823A (en) * | 2022-08-08 | 2022-11-25 | 武汉容晟吉美科技有限公司 | Full-automatic steel ring piece lifting device and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202402046U (en) * | 2011-12-09 | 2012-08-29 | 中铁隧道装备制造有限公司 | Gripper mechanism for steel arch mounting machine |
| CN104295307A (en) * | 2014-09-19 | 2015-01-21 | 余波 | Mounting machine for steel arch of tunnel and mounting method of steel arch |
| CN206129297U (en) * | 2016-10-30 | 2017-04-26 | 田世雄 | Tunnel steel bow member connection structure that puts more energy into |
| CN206376885U (en) * | 2017-01-11 | 2017-08-04 | 中建山东投资有限公司 | A kind of tunnel steel arch frame positioner |
| CN107060844A (en) * | 2017-06-06 | 2017-08-18 | 中铁工程装备集团隧道设备制造有限公司 | Tunnel the basket steel arch-shelf fitting machine of two-arm two and steel arch frame construction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514264A (en) * | 2017-09-28 | 2017-12-26 | 中铁五局集团有限公司 | A kind of new Multifunctional performing machine for constructing tunnel |
-
2018
- 2018-01-09 CN CN201810018304.9A patent/CN108397217B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202402046U (en) * | 2011-12-09 | 2012-08-29 | 中铁隧道装备制造有限公司 | Gripper mechanism for steel arch mounting machine |
| CN104295307A (en) * | 2014-09-19 | 2015-01-21 | 余波 | Mounting machine for steel arch of tunnel and mounting method of steel arch |
| CN206129297U (en) * | 2016-10-30 | 2017-04-26 | 田世雄 | Tunnel steel bow member connection structure that puts more energy into |
| CN206376885U (en) * | 2017-01-11 | 2017-08-04 | 中建山东投资有限公司 | A kind of tunnel steel arch frame positioner |
| CN107060844A (en) * | 2017-06-06 | 2017-08-18 | 中铁工程装备集团隧道设备制造有限公司 | Tunnel the basket steel arch-shelf fitting machine of two-arm two and steel arch frame construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108397217A (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108397217B (en) | The tunnel steel arch frame transport fitting machine and method that achievable monitoring element is laid in advance | |
| CN102808633B (en) | Shield tunneling machine and duct piece conveying device thereof | |
| CN104895578A (en) | Circular-rail multifunctional drill jumbo system | |
| CN104695984A (en) | Multifunctional tunnel construction trolley | |
| CN104295307B (en) | Tunnel steel arch frame fitting machine and installation method thereof | |
| CN202402045U (en) | Mounting equipment for steel tunnel arches | |
| CN106677811A (en) | Tunnel automatic construction equipment and construction method | |
| CN110723656B (en) | Multi-degree-of-freedom mining hoisting device | |
| CN207686728U (en) | Constructing tunnel equipment | |
| CN108891432A (en) | Railway tunnel maintenance car group | |
| CN110552703B (en) | Duct piece mounting system applied to shaft construction | |
| CN111794754B (en) | Pipe piece assembled derrick and construction method thereof | |
| CN109424318A (en) | Drill jumbo and its control method with long-range remote control function | |
| CN105386769A (en) | Multifunctional tunnel repairing machine | |
| CN104863601A (en) | Shield tunneling machine split starting lengthened pipeline suspension system | |
| CN207209809U (en) | A kind of extraordinary Dramatic Air Lifts | |
| CN212559190U (en) | Gantry crane for construction of assembled underpass tunnel segment | |
| CN209308713U (en) | A kind of arch trolley manipulator | |
| RU185266U1 (en) | MINING MACHINE WITH ANCHOR INSTALLER | |
| CN109322682A (en) | A kind of arch trolley manipulator | |
| CN210033479U (en) | Tunnel steel arch frame installation trolley | |
| CN109681245A (en) | A kind of tunnel steel arch frame installation trolley | |
| CN107344698A (en) | A kind of extraordinary Dramatic Air Lifts | |
| CN204082177U (en) | Tunnel steel arch frame fitting machine | |
| CN210176408U (en) | Multifunctional arch center mounting platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |