CN102777199A - Automatic coal carving control device with memory function for fully-mechanized carving mining face of coal mine underground and coal carving method thereof - Google Patents
Automatic coal carving control device with memory function for fully-mechanized carving mining face of coal mine underground and coal carving method thereof Download PDFInfo
- Publication number
- CN102777199A CN102777199A CN2012102453577A CN201210245357A CN102777199A CN 102777199 A CN102777199 A CN 102777199A CN 2012102453577 A CN2012102453577 A CN 2012102453577A CN 201210245357 A CN201210245357 A CN 201210245357A CN 102777199 A CN102777199 A CN 102777199A
- Authority
- CN
- China
- Prior art keywords
- coal
- hydraulic support
- carving
- technology
- work plane
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 202
- 230000006386 memory function Effects 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 36
- 238000005065 mining Methods 0.000 title abstract description 4
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 230000009471 action Effects 0.000 claims abstract description 15
- 238000005516 engineering process Methods 0.000 claims description 40
- 230000008569 process Effects 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011423 initialization method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Landscapes
- General Factory Administration (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention relates to an automatic coal carving control device with a memory function for a fully-mechanized carving mining face of coal mine underground. The device comprises hydraulic brackets, bracket controllers, a signal converter and a monitoring host, wherein each hydraulic bracket is provided with a bracket controller; the signal converter is arranged on the hydraulic bracket at the end of the mining face; the monitoring host is arranged in a crossheading; the bracket controller is used for controlling the hydraulic bracket, and can transmit the action and state information of a coal carving opening of the hydraulic bracket to the monitoring host of the crossheading through the signal converter; and the monitoring host is provided with a coal carving parameter memory module and a coal carving parameter output module.
Description
Technical field
The present invention relates to a kind of with memory function the automatic coal discharge control device and put the coal method, relate in particular to and a kind ofly be used for the hydraulic support automatic coal discharge control device of fully mechanized coal face under the coal mine and put the coal method.
Background technology
Fully mechanized coal face is made up of equipment such as many hydraulic supports; Work plane put coal through hydraulic support the tail boom swing and open coal discharge outlet and put coal control, generally allow the 2-3 place at fully mechanized coal face and put coal simultaneously, therefore; Carry out the hydraulic support of putting the coal operation simultaneously at work plane the 2-3 frame is arranged; Relay is put coal to another until accomplishing the full face after an end, and the coal of putting of every hydraulic support generally has single-wheel to put coal, the multiple caving modes such as putting coal of taking turns more.The general manual type that adopts is put coal, and finishes to put the coal process through manual observation.In relative a period of time the drawing coal technology parameter, to put coal freighter time and top coal caving time parameter etc. constant basically, puts coal factor (like coal seam thickness, roof pressure variation etc.) when changing when influence, carry out drawing coal technology again or put the coal parameter adjustment.Because the hydraulic support drawing coal technology is with to put the coal parameter more; Modification face drawing coal technology and time parameter work are comparatively complicated, are unfavorable for adjustment, and put all operations manually of coal process; Workload is big; Have more uncertain factor, influence drawing effectiveness and put the ature of coal amount, become the main bottleneck of restriction top-coal caving face production efficiency.How to improve and put coal efficient, realize putting coal automation control, become the main research contents of fully mechanized coal face.
Summary of the invention
To the problems referred to above; The present invention proposes a kind of automatic coal discharge control method with memory; At first set up a cover full face ripe drawing coal technology and time parameter thereof, launch this parameter then and control through the coal of putting that monitoring host computer carries out working surface hydraulic support through the manual work rehearsal.Said bracket controller is installed on the hydraulic support, and signal adapter is installed on the end hydraulic support, and monitoring host computer is installed in crossheading Surveillance center.On every hydraulic support of work plane bracket controller is installed all; Connect the data communication that realizes between the bracket controller through connector between the bracket controller; Bracket controller in the termination is connected through connector with signal adapter, realizes the data communication of bracket controller and signal adapter, and signal adapter is connected with the monitoring host computer of crossheading through connector; Realize the exchanges data of face support controller and crossheading monitoring host computer; At the enterprising line operate of face support controller,, realize that the coal of putting of caving roof coal hydraulic support is controlled through the tail boom and the plate action of bracket controller control hydraulic support; Put in the coal process at hydraulic support, bracket controller can send on the monitoring host computer through signal adapter putting the coal control command.When setting up drawing coal technology, time parameter for the first time; Before the face of starting working is put coal; Memory need be set on monitoring host computer put the coal parameter; Arrange operating personnel to put coal control at work plane, monitoring host computer will write down, store, analyze the hydraulic support coal discharge outlet action data that work plane sends, and when putting the coal end, generates complete drawing coal technology, the time parameter of a cover.When put coal next time, on monitoring host computer, can directly launch memory and put the coal function; Drawing coal technology and time parameter with its preservation; According to the time series of storage, that controls working surface hydraulic support one by one puts coal control, thereby has realized that working surface hydraulic support puts the automatic control of coal.
Technical scheme of the present invention is following:
A kind of band memory function automatic coal discharge control device that is used for fully mechanized coal face under the coal mine comprises hydraulic support, bracket controller, signal adapter and monitoring host computer.
A said bracket controller all is installed on every said hydraulic support; Said signal adapter is installed on the face end hydraulic support; Said monitoring host computer is installed in crossheading; Said bracket controller is used to control said hydraulic support, and can pass the signal to the action and the status information of the coal discharge outlet of said hydraulic support on the said monitoring host computer of crossheading through said signal adapter;
Said monitoring host computer has the coal of putting parameters memorizing module and puts coal parameter output module; Said coal discharge outlet action of putting each said hydraulic support that said bracket controller that coal parameters memorizing module will receive sends is in chronological sequence sorted with status information, to form each hydraulic support drawing coal technology and with the preservation of hydraulic support drawing coal technology record; Saidly put coal discharge outlet action and the status information that coal parameter output module will write down in the hydraulic support drawing coal technology of preserving and send in the bracket controller of each hydraulic support according to corresponding sequential.
The coal method of putting of above-mentioned automatic coal discharge control device may further comprise the steps:
1. according to the parameter of work plane, hydraulic support drawing coal technology of putting the coal flow process of artificial setting starts simultaneously and puts coal parameters memorizing module, and the work plane of a flow process of beginning is put coal;
2. put the carrying out of coal along with work plane, hydraulic support drawing coal technology record is saved in to be put in the coal parameters memorizing module;
3. put after the coal flow process finishes when one, close and put coal parameters memorizing module, open and put coal parameter output module, begin the next work plane of putting the coal flow process and put coal;
4. put coal parameter output module the drawing coal technology of each hydraulic support is transferred to each bracket controller according to sequential through signal adapter; Each hydraulic support is put coal according to drawing coal technology, up to the work plane parameter that the coal factor is put in influence change, put drawing coal technology that coal parameters memorizing module records preserves when inapplicable till;
5. according to the parameter of new work plane, new hydraulic support drawing coal technology of putting the coal flow process of artificial setting starts simultaneously and puts coal parameters memorizing module, and the work plane of a flow process of beginning is put coal;
6. 2.-5. repeating step is put coal up to work plane integral body and is finished.
The invention has the advantages that: through putting the automatic memory of coal parameter, realized that the identical close fully mechanized coal face automation memory of parameter puts coal, avoided input one by one to put the coal parameter, improved operating efficiency greatly; Under the situation that only has partial parameters to change, the change that can realize putting coal through the drawing coal technology that amendment record is preserved, adjustment work plane that can be convenient, flexible is put the technological process and the time of coal.
Description of drawings
The system of accompanying drawing 1 automatic coal discharge control device according to the invention connects sketch map.
Reference numeral is following:
The 1-hydraulic support; The 2-bracket controller; The 3-signal adapter; The 4-monitoring host computer.
The specific embodiment
Referring to accompanying drawing 1, it describes the system schematic according to automatic coal discharge control device according to the invention.The automatic memory function that it has the hydraulic support drawing coal technology mainly comprises hydraulic support, bracket controller, signal adapter and monitoring host computer.
A bracket controller all is installed on every said hydraulic support, is used to control the various actions of hydraulic support, comprise the action of coal discharge outlet.On the face end hydraulic support or bigger position, other space signal adapter is installed; Monitoring host computer is installed in crossheading; Bracket controller can be gathered the action and the status information of hydraulic support; Mainly be action and the status information (like the length of coal discharge outlet size, top coal caving time etc.) of hydraulic support coal discharge outlet in the present invention, and can the information of the hydraulic support that collects be sent on the monitoring host computer of crossheading through signal adapter.
The processor adopting high-performance PLC of monitoring host computer or explosion-proof computer, it has the coal of putting parameters memorizing module and puts coal parameter output module.Put coal parameters memorizing module after startup; The coal discharge outlet operation information of each hydraulic support that each bracket controller of automatic reception is sent (comprising action and state); And divide frame in chronological sequence to sort the information, preserve with the drawing coal technology that forms each hydraulic support and with the drawing coal technology record of each hydraulic support; Put coal parameter output module after startup; Sequential when putting in the coal parameters memorizing module coal discharge outlet operation information in each hydraulic support drawing coal technology that record preserves according to record sends in the bracket controller of each hydraulic support accordingly; Each bracket controller is accomplished and is put coal according to the various State Control of information and executing coal discharge outlet action that receives and realization coal discharge outlet.
The coal method of putting of above-mentioned automatic coal discharge control device may further comprise the steps:
1. according to the parameter (like coal seam thickness, roof pressure variation etc.) of work plane; Hydraulic support drawing coal technology of putting the coal flow process of artificial setting, its establishing method are to adopt usually to pursue the frame set-up mode of controller one by one, and the corresponded manner of technology and work plane parameter and technique initialization method are relatively technique known of this area; Will not tire out at this and to state; Start then and put coal parameters memorizing module, start the coal mining activity of work plane, the work plane of a flow process of beginning is put coal;
2. put the carrying out of coal along with the work plane of this flow process, the hydraulic support drawing coal technology writes down to be saved in gradually to be put in the coal parameters memorizing module;
3. after originally putting the end of coal flow process, close and put coal parameters memorizing module, open and put coal parameter output module, begin the next work plane of putting the coal flow process and put coal;
4. put coal parameter output module the drawing coal technology of each hydraulic support is transferred to each bracket controller according to sequential through signal adapter; Each hydraulic support is put coal according to drawing coal technology, if the work plane parameter that the coal factor is put in influence changes, puts drawing coal technology that coal parameters memorizing module records preserves simultaneously when inapplicable; Then each hydraulic support of work plane stops to put coal; When stop to put coal, when inapplicable drawing coal technology is, judged according to the situation that the work plane parameter changes by the work plane technician; It is relatively technique known of this area equally, will not tire out at this and state;
5. according to the parameter of new work plane, new hydraulic support drawing coal technology of putting the coal flow process of artificial setting starts simultaneously and puts coal parameters memorizing module, and the work plane of a flow process of beginning is put coal;
6. 2.-5. repeating step is put coal up to work plane integral body and is finished.
The above; Be merely the preferable specific embodiment of patent of the present invention; But the protection domain of patent of the present invention is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that patent of the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of patent of the present invention.
Claims (2)
1. a band memory function automatic coal discharge control device that is used for fully mechanized coal face under the coal mine comprises hydraulic support, bracket controller, signal adapter and monitoring host computer, it is characterized in that:
A said bracket controller all is installed on every said hydraulic support; Said signal adapter is installed on the face end hydraulic support; Said monitoring host computer is installed in crossheading; Said bracket controller is used to control said hydraulic support, and can pass the signal to the action and the status information of the coal discharge outlet of said hydraulic support on the said monitoring host computer of crossheading through said signal adapter;
Said monitoring host computer has the coal of putting parameters memorizing module and puts coal parameter output module; Said coal discharge outlet action of putting each said hydraulic support that said bracket controller that coal parameters memorizing module will receive sends is in chronological sequence sorted with status information, to form each hydraulic support drawing coal technology and with the preservation of hydraulic support drawing coal technology record; Saidly put coal discharge outlet action and the status information that coal parameter output module will write down in the hydraulic support drawing coal technology of preserving and send in the bracket controller of each hydraulic support according to corresponding sequential.
2. coal method of putting of using the said automatic coal discharge control device of claim 1 is characterized in that may further comprise the steps:
1. according to the parameter of work plane, hydraulic support drawing coal technology of putting the coal flow process of artificial setting starts simultaneously and puts coal parameters memorizing module, and the work plane of a flow process of beginning is put coal;
2. put the carrying out of coal along with work plane, hydraulic support drawing coal technology record is saved in to be put in the coal parameters memorizing module;
3. put after the coal flow process finishes when one, close and put coal parameters memorizing module, open and put coal parameter output module, begin the next work plane of putting the coal flow process and put coal;
4. put coal parameter output module the drawing coal technology of each hydraulic support is transferred to each bracket controller according to sequential through signal adapter; Each hydraulic support is put coal according to drawing coal technology, up to the work plane parameter that the coal factor is put in influence change, put drawing coal technology that coal parameters memorizing module records preserves when inapplicable till;
5. according to the parameter of new work plane, new hydraulic support drawing coal technology of putting the coal flow process of artificial setting starts simultaneously and puts coal parameters memorizing module, and the work plane of a flow process of beginning is put coal;
6. 2.-5. repeating step is put coal up to work plane integral body and is finished.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210245357.7A CN102777199B (en) | 2012-07-13 | 2012-07-13 | Automatic coal carving control device with memory function for fully-mechanized carving mining face of coal mine underground and coal carving method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210245357.7A CN102777199B (en) | 2012-07-13 | 2012-07-13 | Automatic coal carving control device with memory function for fully-mechanized carving mining face of coal mine underground and coal carving method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102777199A true CN102777199A (en) | 2012-11-14 |
CN102777199B CN102777199B (en) | 2015-02-18 |
Family
ID=47122288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210245357.7A Active CN102777199B (en) | 2012-07-13 | 2012-07-13 | Automatic coal carving control device with memory function for fully-mechanized carving mining face of coal mine underground and coal carving method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102777199B (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828763A (en) * | 2012-09-20 | 2012-12-19 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support automatic control system with memory function on fully mechanized coal face |
CN103256064A (en) * | 2013-05-14 | 2013-08-21 | 天地科技股份有限公司 | Top coal caving hydraulic support intelligent control coal caving method |
CN108005701A (en) * | 2017-11-28 | 2018-05-08 | 中煤能源研究院有限责任公司 | A kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction |
CN108561134A (en) * | 2018-04-13 | 2018-09-21 | 北京天地玛珂电液控制系统有限公司 | Comprehensive extracting and caving face puts coal control system and method automatically |
CN111779524A (en) * | 2020-06-30 | 2020-10-16 | 中国矿业大学 | Intelligent coal caving method for hydraulic support of fully mechanized caving face |
CN112963148A (en) * | 2021-03-19 | 2021-06-15 | 郑州煤机液压电控有限公司 | Automatic coal caving method for fully mechanized coal mining face of coal mine |
CN113294208A (en) * | 2021-06-10 | 2021-08-24 | 中国矿业大学 | Intelligent coal caving method for fully mechanized caving face teaching-free memory coal caving |
CN113738364A (en) * | 2021-09-26 | 2021-12-03 | 中国矿业大学 | Intelligent fully-mechanized top coal caving hydraulic support teaching-free memory coal caving system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2265652A (en) * | 1992-04-04 | 1993-10-06 | Meco Electronics Ltd | Mine communication system |
DE19546427A1 (en) * | 1995-02-02 | 1996-08-08 | Tiefenbach Gmbh | Extraction control for mining machine |
US6361119B1 (en) * | 1999-04-17 | 2002-03-26 | Tiefenbach Bergbautechnik Gmbh | Mining control system for adjusting the advance of mining tools |
CN201198760Y (en) * | 2007-12-28 | 2009-02-25 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Safe high-efficiency integrative matching equipment of large excavating high automatic fully mechanized working face |
CN102004483A (en) * | 2010-12-15 | 2011-04-06 | 河北天择重型机械有限公司 | Fully-mechanized mining digital manless working face control system |
CN102071956A (en) * | 2010-12-29 | 2011-05-25 | 北京中科林重科技有限公司 | Electro-hydraulic control system for working surface hydraulic support |
CN102337891A (en) * | 2011-09-14 | 2012-02-01 | 天地科技股份有限公司 | Thin coal seam unmanned automated mining mode |
-
2012
- 2012-07-13 CN CN201210245357.7A patent/CN102777199B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2265652A (en) * | 1992-04-04 | 1993-10-06 | Meco Electronics Ltd | Mine communication system |
DE19546427A1 (en) * | 1995-02-02 | 1996-08-08 | Tiefenbach Gmbh | Extraction control for mining machine |
US6361119B1 (en) * | 1999-04-17 | 2002-03-26 | Tiefenbach Bergbautechnik Gmbh | Mining control system for adjusting the advance of mining tools |
CN201198760Y (en) * | 2007-12-28 | 2009-02-25 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Safe high-efficiency integrative matching equipment of large excavating high automatic fully mechanized working face |
CN102004483A (en) * | 2010-12-15 | 2011-04-06 | 河北天择重型机械有限公司 | Fully-mechanized mining digital manless working face control system |
CN102071956A (en) * | 2010-12-29 | 2011-05-25 | 北京中科林重科技有限公司 | Electro-hydraulic control system for working surface hydraulic support |
CN102337891A (en) * | 2011-09-14 | 2012-02-01 | 天地科技股份有限公司 | Thin coal seam unmanned automated mining mode |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828763A (en) * | 2012-09-20 | 2012-12-19 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support automatic control system with memory function on fully mechanized coal face |
CN102828763B (en) * | 2012-09-20 | 2015-02-18 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support automatic control system with memory function on fully mechanized coal face |
CN103256064A (en) * | 2013-05-14 | 2013-08-21 | 天地科技股份有限公司 | Top coal caving hydraulic support intelligent control coal caving method |
CN103256064B (en) * | 2013-05-14 | 2016-04-06 | 天地科技股份有限公司 | A kind of caving roof coal hydraulic support Based Intelligent Control puts coal method |
CN108005701A (en) * | 2017-11-28 | 2018-05-08 | 中煤能源研究院有限责任公司 | A kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction |
CN108561134A (en) * | 2018-04-13 | 2018-09-21 | 北京天地玛珂电液控制系统有限公司 | Comprehensive extracting and caving face puts coal control system and method automatically |
CN111779524A (en) * | 2020-06-30 | 2020-10-16 | 中国矿业大学 | Intelligent coal caving method for hydraulic support of fully mechanized caving face |
CN111779524B (en) * | 2020-06-30 | 2021-05-28 | 中国矿业大学 | Intelligent coal caving method for hydraulic support of fully mechanized caving face |
WO2022000811A1 (en) * | 2020-06-30 | 2022-01-06 | 中国矿业大学 | Intelligent coal caving method using hydraulic supports on fully mechanized working face |
CN112963148A (en) * | 2021-03-19 | 2021-06-15 | 郑州煤机液压电控有限公司 | Automatic coal caving method for fully mechanized coal mining face of coal mine |
CN112963148B (en) * | 2021-03-19 | 2022-06-24 | 郑州煤机液压电控有限公司 | Automatic coal caving method for fully mechanized coal mining face of coal mine |
CN113294208A (en) * | 2021-06-10 | 2021-08-24 | 中国矿业大学 | Intelligent coal caving method for fully mechanized caving face teaching-free memory coal caving |
CN113738364A (en) * | 2021-09-26 | 2021-12-03 | 中国矿业大学 | Intelligent fully-mechanized top coal caving hydraulic support teaching-free memory coal caving system |
Also Published As
Publication number | Publication date |
---|---|
CN102777199B (en) | 2015-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102777199A (en) | Automatic coal carving control device with memory function for fully-mechanized carving mining face of coal mine underground and coal carving method thereof | |
CN102609287A (en) | Device for updating FPGA (Field Programmable Gate Array) from a long distance by CPU (Central Processing Unit) and method therefor | |
CN109854225B (en) | Electrohydraulic control system of coal mine jumbolter | |
CN105426299A (en) | Workflow technology-based testing data real-time interpretation system | |
CN104461660B (en) | A kind of multi-mode dynamic loading method of heterogeneous system | |
CN103256064A (en) | Top coal caving hydraulic support intelligent control coal caving method | |
CN103557031B (en) | Mine acoustic emission real-time automatic monitor | |
CN104196553A (en) | Hydraulic support remote control system based on EtherCAT | |
CN103670457A (en) | Real-time monitoring system for hydraulic support on coal mine fully mechanized working face | |
CN105822259A (en) | Automatic control method for oil-gas well plunger gas lift production and plunger controller | |
CN102828763A (en) | Hydraulic support automatic control system with memory function on fully mechanized coal face | |
CN101158855A (en) | Serial interface type single-chip data acquisition system | |
CN102541709A (en) | Serial port debugging tool and method | |
CN103136160B (en) | Buffer memory continuous transmission method and the system of data break point is transmitted between railway vehicle device | |
CN202632773U (en) | Portable serial FLASH programmer based on SD (Secure Digital) card | |
CN204984462U (en) | Highdipping super high seam shortwall caving coal working face put coal control system | |
CN103176815A (en) | Sewing machine control method of carrying out software updating by utilizing external memory | |
CN102635379A (en) | Online program updating method for hydraulic support controllers | |
CN105704462A (en) | Device for supervising flying of unmanned plane | |
CN105134276B (en) | Severe inclined thick coal seam shortwall top-coal caving face puts coal control system | |
CN205103653U (en) | Data processing system of automobile controller | |
CN105464691A (en) | Electrohydraulic control system of hydraulic support and program and parameter updating and backup method of electrohydraulic control system | |
CN109405531A (en) | A kind of vegetable seeds drying control system | |
CN202306209U (en) | Software updating system of hydraulic support controller | |
CN202717288U (en) | Mine scraper plate conveying control system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee after: CCTEG Beijing Tianma Intelligent Control Technology Co.,Ltd. Address before: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. |