CN203769787U - Mining whole-section rectangular heading machine supporting, propelling and direction adjusting mechanism - Google Patents
Mining whole-section rectangular heading machine supporting, propelling and direction adjusting mechanism Download PDFInfo
- Publication number
- CN203769787U CN203769787U CN201320892398.5U CN201320892398U CN203769787U CN 203769787 U CN203769787 U CN 203769787U CN 201320892398 U CN201320892398 U CN 201320892398U CN 203769787 U CN203769787 U CN 203769787U
- Authority
- CN
- China
- Prior art keywords
- saddletree
- main body
- crossbeam
- saddle
- support boots
- 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.)
- Expired - Fee Related
Links
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model discloses a mining whole-section rectangular heading machine supporting, propelling and direction adjusting mechanism which comprises a saddle, a support boot and a cross beam arranged in the saddle, wherein the support boot is formed by two support boot assemblies respectively arranged on two sides of the saddle, the saddle comprises a saddle main body, four wear-resisting sealed guide sleeves, two horizontal floating cylinders connected by a cross pin assembly, four vertical floating cylinders, four groups of reset spring sleeve assemblies, and a slide and slide seat combination arranged on the saddle main body, the upper part of the saddle main body is provided with a cross beam placing groove, the lower part of the cross beam placing groove is provided with a mounting groove, the upper parts of the vertical floating cylinders are connected with the saddle main body by long pin shafts, the lower parts of the vertical floating cylinders are connected with oil cylinder stoppers and the horizontal floating cylinders by pins, and the support boot assemblies are respectively connected with the two horizontal floating cylinders by ball sockets. By adopting the mining whole-section rectangular heading machine supporting, propelling and direction adjusting mechanism, the moving degree of freedom and rotation degree of freedom of the saddle in the vertical direction and the moving degree of freedom and rotation degree of freedom of the saddle in the horizontal direction can be realized.
Description
Technical field
The utility model relates to a kind of support and advances and adjusted device, and particularly mining full Cross-Section Rectangular development machine supports and advances and adjusted device.
Background technology
Tunnel machine is to carry out a kind of package of working continuously with Mechanical Crushing rock, muck removal and supporting.Press the working angles of development machine on work plane, be divided into full face tunnel boring machine and partial-size tunneling machine; Press fractured rock principle difference, can divide again rolling-type (disk cutter) development machine and milling formula development machine; Chinese products mostly is rolling-type full face tunnel boring machine, is suitable for middle hard rock to hard rock; Milling formula development machine is applicable in coal seam and soft rock; Under the axial compression effect of propelling cylinder, the rotation of Motor Drive hob plate, hobs fragmentation by rock, and it has bucket around, is discharged on conveyer belt with rotation; Hard rock does not need supporting, can injection when soft rock supporting, placing of concrete or assembling prefabricated section; This machine is even in lithology, tunnel is used while exceeding certain length, economical rationality.
At present, tunnelling generally adopts tunnel machine to carry out tunneling construction, adopts saddletree to join arch support boots structure and carry out work in tunnel machine support propelling and direction control; Tunnelling machine is all generally circular cut at present, and rectangular shaped roadways is in great demand in engineering reality, the demand of rectangle development machine is also more and more, especially in coal mine roadway driving field, be badly in need of the novel full Cross-Section Rectangular speedy drivage machine of research and development and substitute original development machine, fundamentally innovation driving technique, thus the low problem of colliery driving effect thoroughly solved; The support of full Cross-Section Rectangular development machine and tuning system are again the key points that ensures that machine meets process requirements and carries out work, with reference to similar structures in tunnel machine, can be applied to by improvement design support propelling and the direction control field of rectangle development machine.Thereby solve more and more rectangle development machines in engineering reality and support the problem existing with tuning, for the support of development machine and tuning are opened up a new direction.
Along with rectangle development machine is more and more applied to tunnel tunnelling, rectangle development machine supports with direction control problem and also produces thereupon; How effectively head travel direction is detected, and in the head course of work, carry out real-time error correct heading control loop has been proposed to new requirement; Between the support propulsive mechanism of the direction control mechanism of complete machine and complete machine, how in limited space, effective and reasonable connection arranges and plays a role to be a difficult problem, not only met direction control, but also provided support counter-force.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of mining full Cross-Section Rectangular development machine simple in structure, that can improve development machine digging efficiency and supports propelling and adjusted device.
For achieving the above object, the technical solution of the utility model is as follows:
Mining full Cross-Section Rectangular development machine supports and advances and adjusted device; Comprise saddletree, support boots and crossbeam, described crossbeam is arranged in saddletree, and described support boots are made up of two support boots assemblies, and described two support boots assemblies are separately positioned on the both sides of saddletree; Described saddletree comprises
One saddletree main body, the top of described saddletree main body is provided with crossbeam resettlement groove, and the bottom of described crossbeam resettlement groove is provided with the mounting groove that runs through saddletree main body, described mounting groove and the conducting of crossbeam resettlement groove;
Four wear-resistant seal fairleads, described wear-resistant seal fairlead is separately positioned on four end angle places of crossbeam resettlement groove bottom;
Two unsteady cylinders of levels, the unsteady cylinder of described two levels is symmetricly set in mounting groove, and described two levels are floated and are connected by cross pin assembly between cylinder;
Four vertically unsteady cylinders, described four cylinders that vertically float are symmetricly set in saddletree main body between two, and the described cylinder top of vertically floating is connected with saddletree main body by the axle of having strong market potential, and bottom is connected with oil cylinder block and the unsteady cylinder of level by pin;
Four groups of back-moving spring grip assemblies, every group of reseting sleeve assembly is made up of two spring housing assemblies, and four groups of back-moving spring grip assemblies are symmetricly set on the two sides of saddletree main body between two; And each back-moving spring grip assembly is positioned at one end of saddletree main body and all withstands oil cylinder block, and slippage in the above;
One is arranged on slideway and the slideway base in saddletree main body;
The bottom of described crossbeam two sides is equipped with guiding mechanism, and when crossbeam is placed in crossbeam resettlement groove, this guiding mechanism is positioned at wear-resistant seal fairlead;
Described support boots assembly is provided with promotes mainly oil cylinder, and described support boots assembly is connected respectively by ball-and-socket and the unsteady cylinder of two levels.
In an embodiment of the present utility model, described cross pin assembly links together unsteady two levels cylinder by flange.
In an embodiment of the present utility model, described guiding mechanism is slide rail.
In an embodiment of the present utility model, the front and back sides bottom of described support boots assembly is provided with gathering sill.
In an embodiment of the present utility model, the front and back sides middle part of described support boots assembly is provided with guiding dovetail groove.
By technique scheme, the beneficial effects of the utility model are:
The utility model is provided with the unsteady cylinder of level and the cylinder that vertically floats in the inside of saddletree, whole saddletree can be around the unsteady cylinder rotation of level, also can be around middle cross pin assembly axle rotation, the unsteady cylinder of level and the cylinder that vertically floats are flexible simultaneously, can realize one-movement-freedom-degree, the rotary freedom of one-movement-freedom-degree, rotary freedom and the horizontal direction of vertical direction saddletree, it has improved the efficiency while excavation.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model saddletree structural representation;
Fig. 3 is the utility model crossbeam structural representation;
Fig. 4 is the utility model support boots modular construction schematic diagram;
Fig. 5 is the utility model fundamental diagram.
Numeral and the represented corresponding component title of letter in figure:
100, saddletree 110, saddletree main body 120, crossbeam resettlement groove 130, mounting groove 140, wear-resistant seal fairlead 150, the level cylinder 151 that floats, oil cylinder block 160, cross pin assembly 170, cylinder 180 vertically floats, back-moving spring grip assembly 181, spring housing assembly 190, slideway and slideway base 200, support boots 210, support boots assembly 211, gathering sill 212, guiding dovetail groove 213, promote mainly oil cylinder 300, crossbeam 310, guiding mechanism 400, bracket base 410, counter-force seat 420, main top oil cylinder 430, set cap.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to shown in Fig. 1 to Fig. 5, the utility model discloses mining full Cross-Section Rectangular development machine and support propelling and adjusted device, comprise saddletree 100, support boots 200 and crossbeam 300, crossbeam 300 is arranged in saddletree 100, support boots 200 are made up of two support boots assemblies 210, and two support boots assemblies 210 are separately positioned on the both sides of saddletree 100; Support boots assembly 210 is rectangle support boots assembly, support boots assembly 210 is provided with promotes mainly oil cylinder 213, the bottom of crossbeam two sides is equipped with guiding mechanism 310, guiding mechanism is slide rail, saddletree 100 is connected by the slide rail of crossbeam bottom with crossbeam 300, the front end of crossbeam 300 is connected with anterior head flange, saddletree 100 along slide rail can before and after slippage, saddletree drives the travel direction control of rectifying a deviation up and down taking head front end as fulcrum of crossbeam and head by slide rail.
The utility model saddletree 100 comprises saddletree main body 110, two levels float cylinder 150, four vertically float cylinder 170, four groups of back-moving spring grip assemblies 180 and slideway and slideway bases 190, the top of saddletree main body 110 is provided with crossbeam resettlement groove 120, the bottom of crossbeam resettlement groove 120 is provided with the mounting groove 130 that runs through saddletree main body, mounting groove 130 and 120 conductings of crossbeam resettlement groove; Four end angle places in crossbeam resettlement groove bottom are provided with wear-resistant seal fairlead 140; Wear-resistant seal fairlead 140 is connected with the slide rail of crossbeam bottom, and slide rail is arranged in wear-resistant seal fairlead 140, and slide rail can move left and right in wear-resistant seal fairlead; Two unsteady cylinders 150 of level are symmetricly set in mounting groove 130, two levels are floated and are connected by cross pin assembly 160 between cylinder, cross pin assembly links together unsteady two levels cylinder by flange, and the other end of two unsteady cylinders 150 of level is connected with support boots assembly 210 respectively by ball-and-socket (not shown in FIG.); Four cylinders 170 that vertically float are symmetricly set in saddletree main body between two, and cylinder 170 bottoms of vertically floating are connected with oil cylinder block 151, and oil cylinder block 151 symmetries connect in groups; Every group of back-moving spring grip assembly 180 is made up of two spring housing assemblies 181, and four groups of back-moving spring grip assemblies are symmetricly set on the two sides of saddletree main body between two; And each back-moving spring grip assembly is positioned at one end of saddletree main body and all withstands oil cylinder block, the slippage in the above of back-moving spring grip assembly, and this back-moving spring grip assembly can not skid off; Oil cylinder block 151 connects each other, and the level that the ensures radial load that cylinder 150 directly do not bear the cylinder that vertically floats of floating; Saddletree can be around middle cross pin assembly rotation, whole saddletree can be around the unsteady cylinder rotation of level, the unsteady cylinder of level and the cylinder that vertically floats are flexible simultaneously, can realize one-movement-freedom-degree, the rotary freedom of one-movement-freedom-degree, rotary freedom and the horizontal direction of vertical direction saddletree.
Support boots assembly 210 is connected by ball-and-socket and the unsteady cylinder 150 of level, and saddletree is across between two support boots assemblies, and the front and back sides bottom of support boots assembly is equipped with gathering sill 211, and front and back sides middle part is equipped with the dovetail groove 212 that leads; Be connected guiding by gathering sill 211 with the wear-resistant guiding plate that embeds main frame, be connected guiding with the counter-force seat at main frame rear portion simultaneously, support boots, along guide strip slippage on wearing plate, support boots slippage when work, and prop up tunnel sidewall and produce frictional force the required power that advances is provided; To support boots by this connected mode and be connected with main frame, and realize and supported the reasonable Arrangement advancing with adjusted device.
The utility model has been realized development machine complete machine head and has been supported and advanced being flexible coupling between adjusted device, can effectively reduce the transmission of vibrations, effective and reasonable layout becomes one support propelling and the adjusted device of complete machine simultaneously, has utilized greatly limited space.
The utility model is in the time of work, support boots assembly 210 is connected by gathering sill 211 with the counter-force seat 410 on bracket base 400, 212 of guiding dovetail grooves connect guide effect, the main top of bracket base 400 oil cylinder 420 stretches out, set cap 430 props up back and produces frictional force, support boots assembly 210 props up tunnel lateral wall and produces frictional force, wherein the frictional force of set cap 430 passes to support boots assembly 210 by counter-force seat 410 and gathering sill 211, the propulsive force that the total frictional force producing provides support, the unsteady cylinder 150 of saddletree level and the cylinder 170 that vertically floats move up and down taking support boots assembly 210 as fulcrum drive saddletree 100, saddletree 100 drives crossbeam 300 and head to carry out angle correction and direction control with head fulcrum by guiding mechanism 310, after promoting mainly oil cylinder 213 and promoting stroke of head work, promote mainly oil cylinder 213 taking head as fulcrum and shrink and pull a stroke of whole rear platform reach, and then enter the next one and promote mainly process, crossbeam 300 plays guide effect with saddletree 100, control the head direction of motion, when correction, bracket base 400 and support boots assembly 210 first strut and hold bracket base, saddletree level is floated, and cylinder 150 is flexible taking bracket base as fulcrum drives left and right correction and the direction control taking head front end as fulcrum of crossbeam 300 and head, thereby saddletree vertically floats, cylinder 170 drives saddletree 100 vertical directions motions to drive crossbeams 300 and head to rectify a deviation taking head front end as fulcrum vertical direction and direction control.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. mining full Cross-Section Rectangular development machine supports and advances and adjusted device; Comprise saddletree, support boots and crossbeam, described crossbeam is arranged in saddletree, and described support boots are made up of two support boots assemblies, and described two support boots assemblies are separately positioned on the both sides of saddletree; It is characterized in that: described saddletree comprises
One saddletree main body, the top of described saddletree main body is provided with crossbeam resettlement groove, and the bottom of described crossbeam resettlement groove is provided with the mounting groove that runs through saddletree main body, described mounting groove and the conducting of crossbeam resettlement groove;
Four wear-resistant seal fairleads, described wear-resistant seal fairlead is separately positioned on four end angle places of crossbeam resettlement groove bottom;
Two unsteady cylinders of levels, the unsteady cylinder of described two levels is symmetricly set in mounting groove, and described two levels are floated and are connected by cross pin assembly between cylinder;
Four vertically unsteady cylinders, described four cylinders that vertically float are symmetricly set in saddletree main body between two, and the described cylinder top of vertically floating is connected with saddletree main body by the axle of having strong market potential, and bottom is connected with oil cylinder block and the unsteady cylinder of level by pin;
Four groups of back-moving spring grip assemblies, every group of reseting sleeve assembly is made up of two spring housing assemblies, and four groups of back-moving spring grip assemblies are symmetricly set on the two sides of saddletree main body between two; And each back-moving spring grip assembly is positioned at one end of saddletree main body and all withstands oil cylinder block, and slippage in the above;
One is arranged on slideway and the slideway base in saddletree main body;
The bottom of described crossbeam two sides is equipped with guiding mechanism, and when crossbeam is placed in crossbeam resettlement groove, this guiding mechanism is positioned at wear-resistant seal fairlead;
Described support boots assembly is provided with promotes mainly oil cylinder, and described support boots assembly is connected respectively by ball-and-socket and the unsteady cylinder of two levels.
2. mining full Cross-Section Rectangular development machine according to claim 1 supports and advances and adjusted device, it is characterized in that: described cross pin assembly links together unsteady two levels cylinder by flange.
3. mining full Cross-Section Rectangular development machine according to claim 1 supports and advances and adjusted device, it is characterized in that: described guiding mechanism is slide rail.
4. mining full Cross-Section Rectangular development machine according to claim 1 supports and advances and adjusted device, it is characterized in that: the front and back sides bottom of described support boots assembly is provided with gathering sill.
5. mining full Cross-Section Rectangular development machine according to claim 1 supports and advances and adjusted device, it is characterized in that: the front and back sides middle part of described support boots assembly is provided with guiding dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892398.5U CN203769787U (en) | 2013-12-31 | 2013-12-31 | Mining whole-section rectangular heading machine supporting, propelling and direction adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892398.5U CN203769787U (en) | 2013-12-31 | 2013-12-31 | Mining whole-section rectangular heading machine supporting, propelling and direction adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203769787U true CN203769787U (en) | 2014-08-13 |
Family
ID=51286987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320892398.5U Expired - Fee Related CN203769787U (en) | 2013-12-31 | 2013-12-31 | Mining whole-section rectangular heading machine supporting, propelling and direction adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203769787U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285703A (en) * | 2016-08-31 | 2017-01-04 | 中国铁建重工集团有限公司 | Boots and tunneler are supportted in seriation for tunneler |
| CN106593463A (en) * | 2017-01-10 | 2017-04-26 | 辽宁三三工业有限公司 | Hard rock tunnel boring machine (TBM) main beam and saddle frame sliding rail device |
| CN108266194A (en) * | 2016-12-30 | 2018-07-10 | 天津市沃德美嘉科技有限公司 | A kind of steering structure of shield machine |
| CN108318267A (en) * | 2018-01-18 | 2018-07-24 | 浙江大学 | Slurry balance shield comprehensive simulation test platform five degree of freedom follow-up support system |
| CN108756906A (en) * | 2018-07-19 | 2018-11-06 | 中国铁建重工集团有限公司 | Shield machine and its inclined wedge support shoe apparatus |
| CN109441465A (en) * | 2018-11-13 | 2019-03-08 | 中国铁建重工集团有限公司 | A kind of shield machine stabilising arrangement and shield machine |
-
2013
- 2013-12-31 CN CN201320892398.5U patent/CN203769787U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285703A (en) * | 2016-08-31 | 2017-01-04 | 中国铁建重工集团有限公司 | Boots and tunneler are supportted in seriation for tunneler |
| CN108266194A (en) * | 2016-12-30 | 2018-07-10 | 天津市沃德美嘉科技有限公司 | A kind of steering structure of shield machine |
| CN106593463A (en) * | 2017-01-10 | 2017-04-26 | 辽宁三三工业有限公司 | Hard rock tunnel boring machine (TBM) main beam and saddle frame sliding rail device |
| CN106593463B (en) * | 2017-01-10 | 2018-03-20 | 辽宁三三工业有限公司 | A kind of hard rock TBM girders and saddletree railroad |
| CN108318267A (en) * | 2018-01-18 | 2018-07-24 | 浙江大学 | Slurry balance shield comprehensive simulation test platform five degree of freedom follow-up support system |
| CN108318267B (en) * | 2018-01-18 | 2019-07-26 | 浙江大学 | Slurry balance shield comprehensive simulation test platform five degree of freedom follow-up support system |
| CN108756906A (en) * | 2018-07-19 | 2018-11-06 | 中国铁建重工集团有限公司 | Shield machine and its inclined wedge support shoe apparatus |
| CN108756906B (en) * | 2018-07-19 | 2024-02-02 | 中国铁建重工集团股份有限公司 | Shield machine and inclined wedge supporting shoe device thereof |
| CN109441465A (en) * | 2018-11-13 | 2019-03-08 | 中国铁建重工集团有限公司 | A kind of shield machine stabilising arrangement and shield machine |
| CN109441465B (en) * | 2018-11-13 | 2024-05-07 | 中国铁建重工集团股份有限公司 | Shield constructs quick-witted stabilising arrangement and shield constructs machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203769787U (en) | Mining whole-section rectangular heading machine supporting, propelling and direction adjusting mechanism | |
| CN101832102B (en) | Movable two-platform partitioned four-arm hanging wall anchor rod and anchor cable construction drill carriage | |
| CN102606152B (en) | Novel quick digging and anchoring integrated machine for rectangular coal roadway | |
| CN202611695U (en) | Novel rectangular coal roadway quick driving and bolting all-in-one machine | |
| CN103899249A (en) | Coal mine roadway bottom board anchoring drill carriage | |
| CN204899935U (en) | All -hydraulic entry driving machine of 6 -degree of freedom series -parallel connection formula | |
| CN104775819A (en) | Deep inclined coal seam mining roadway mine pressure control mining method | |
| CN108222928A (en) | Simultaneous drifting, the anchor driving machine for realizing pick anchor parallel operations | |
| CN201826837U (en) | Movable double-platform partitioned four-arm drill carriage for construction of hangwall anchor rods and anchor cables | |
| CN108457686A (en) | A kind of balanced type Telescopic movable supporting arch up and down | |
| CN106121537A (en) | The Qie Dingcheng of gob side entry retaining without coal column lane construction method | |
| CN203362198U (en) | Track walking type immediate support device of fully-mechanized drivage roadway | |
| CN104033168A (en) | Self-moving flat-bed drilling anchor vehicle | |
| CN103075153B (en) | Open-air drilling coal cutter | |
| CN202391424U (en) | Supporting type comprehensive bolter miner | |
| CN105041329A (en) | Six-freedom-degree series-parallel full-hydraulic tunneling machine | |
| CN109026050A (en) | A kind of anchor combined unit of fully mechanized mining formula pick branch and its an application method | |
| CN103362511B (en) | High-dipping medium-thickness seam step is without pillar working | |
| CN205225262U (en) | Shield constructs formula tunneling and anchoring machine | |
| CN111911154B (en) | Gantry type tunneling anchor protection robot system | |
| CN203962014U (en) | Combine and adopt the dual-purpose working surface hydraulic support of filling | |
| CN203925556U (en) | Circulating driving immediate support device | |
| CN203050708U (en) | Mining multifunctional tunnelling machine | |
| CN107461194B (en) | Cantilevered longitudinal axis development machine | |
| CN111828073A (en) | Novel roadway support device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP SHANGHAI C Free format text: FORMER NAME: SHANGHAI ANYUN TRANSPORT EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 200433 Yangpu District, Wu Dong Road, room 198, No. 808, room Patentee after: Shanghai Co., Ltd of Zhong Meike work group Patentee after: CHINA COAL TECHNOLOGY & ENGINEERING GROUP SHANGHAI RESEARCH INSTITUTE Address before: 201401 Shanghai city Fengxian District Wu Tang Lu No. 369 Building 2 Room 501 Patentee before: SHANGHAI ANYUN TRANSPORT EQUIPMENT CO., LTD. Patentee before: CHINA COAL TECHNOLOGY & ENGINEERING GROUP SHANGHAI RESEARCH INSTITUTE |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |