CN106499420B - A kind of mechanically high constant-resistance individual prop installation method and erection method - Google Patents
A kind of mechanically high constant-resistance individual prop installation method and erection method Download PDFInfo
- Publication number
- CN106499420B CN106499420B CN201610979890.4A CN201610979890A CN106499420B CN 106499420 B CN106499420 B CN 106499420B CN 201610979890 A CN201610979890 A CN 201610979890A CN 106499420 B CN106499420 B CN 106499420B
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- China
- Prior art keywords
- rod
- prop
- high constant
- cylinder body
- resistance individual
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- 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.)
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000009434 installation Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 13
- 241000237858 Gastropoda Species 0.000 claims description 9
- 239000010727 cylinder oil Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 9
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a kind of mechanical constant-resistance individual prop installation methods: (1) according to mine inscribe eye or tunnel actual profile height, the body of rod being socketed on cylinder body and adjusting sleeve spreading degree；(2) steel ball sleeve is inserted between the body of rod and cylinder body, making the body of rod compress steel ball sleeve, is formed self-locking；(3) limited cover is fixedly connected on the body of rod and cylinder body socket place；(4) jacking disk is installed and is locked to body of rod upper end；(5) the vertical component for erecting the completion assembling in (4) of mechanical high constant-resistance individual prop, and be installed on pedestal.The invention also discloses a kind of mechanical constant-resistance individual prop erection methods: (1) installing mechanical constant-resistance individual prop according to above-mentioned mechanical constant-resistance individual prop installation method；(2) body of rod is driven to move up relative to cylinder body by prop raising tool, until jacking disk and mine inscribe eye or the top plate in tunnel connect reality；(3) prop raising tool is dismantled.Installation is simple, quick, efficient, saves human and material resources.
Description
Technical field
The present invention relates to coal mines and metal mine to exploit roadway support applied technical field, more particularly to a kind of mechanical
High constant-resistance individual prop installation method and erection method.
Background technique
The existing method for generally taking double grillage to add monomer column in China's coal-mine underground carry out stope drift active workings advance support or
It reinforces, and with working face mining, grillage and individual prop sequence is moved forward.For wherein crib protection, existing protrusion
Problem can be concluded are as follows: initial installation effectiveness is low, support material waste is serious, labor intensity of workers is big and it is super to adopt period tunnel
Preceding supporting region roof stability is poor.Therefore, a kind of mechanical high constant-resistance individual prop, safer economic, construction are had developed
It is high-efficient, the effectiveness of roof control is good, realize the substitution in order of a large amount of grillages in underground stope drift active workings advance support region.
However during mechanical high constant-resistance individual prop is installed and installed, due to the use lack of standardization of device, make scene
Complexity is installed and installed, production efficiency is greatly reduced.For the above practical site problems, mechanical high constant-resistance list how is realized
The simple, fast and efficient installation of pillar body, saving human and material resources is mechanical high constant-resistance individual prop installation and installs process
In a main problem.
Summary of the invention
The object of the present invention is to provide a kind of mechanical high constant-resistance individual prop installation method and erection methods, on solving
Problem of the existing technology is stated, the mechanical high simple, fast and efficient installation of constant-resistance individual prop is realized, saves manpower, object
Power.
In order to achieve the above object, the present invention the following technical schemes are provided:
The present invention provides a kind of mechanical high constant-resistance individual prop installation method, comprising the following steps:
Step 1: the body of rod of mechanical high constant-resistance individual prop and cylinder body are laid flat, real according to mine inscribe eye or tunnel
The body of rod is socketed on the cylinder body and adjusts the socket length of the body of rod Yu the cylinder body, the bar by border profile height
Total length after body and cylinder body socket is less than the height of mine inscribe eye or tunnel actual profile；
Step 2: being provided with the cylinder body conical surface in the cylinder body upper end, the cylinder body conical surface is to be inverted the conical surface, certainly by steel ball sleeve
The body of rod top is inserted between the body of rod and the cylinder body, and the body of rod is continued to promote into the cylinder body, is made
The body of rod compresses the steel ball sleeve, and the steel ball sleeve is stuck between the body of rod and the intracorporal cylinder body conical surface of the cylinder, is formed
It is self-locking, prevent the body of rod slide downward, the height after the fixed body of rod and cylinder body socket；
Step 3: limited cover is inserted in from the body of rod top, and by the limited cover be fixedly connected on the body of rod with
The cylinder body socket place, makes the limited cover cover the cylinder body；
Step 4: jacking disk is installed and is locked to the body of rod upper end；
Pedestal: being placed in the fixation position of the pedestal by step 5, erects the mechanical high constant-resistance monomer branch vertically
Column completes the component of assembling in step 4, and is installed on the pedestal, the mechanical high constant-resistance individual prop peace
It installs complete.
Preferably, the body of rod described in step 1 and the total length after cylinder body socket are practical than mine inscribe eye or tunnel
Small 10~the 30cm of the height of section.
Preferably, the side wall of the limited cover is equipped with caging bolt, and the limited cover is tightened in by the caging bolt
On the cylinder body lateral wall.
Preferably, jacking valve snail bolt is provided on the jacking disk, the body of rod upper end is provided with and the jacking valve snail
The corresponding bolt hole of bolt, the jacking valve snail bolt pass through the bolt hole and the jacking disk are locked on the body of rod
End.
Preferably, it is described mechanical after mechanical high constant-resistance individual prop described in step 5 is mounted on the base
High constant-resistance individual prop is perpendicular to mine inscribe eye or the top plate in tunnel.
The present invention also provides a kind of mechanical high constant-resistance individual prop erection methods, comprising the following steps:
Step 1: according to mechanical as described in preceding described in any item mechanical high constant-resistance individual prop installation method installations
High constant-resistance individual prop；
Step 2: the mechanical high constant-resistance individual prop installed in step 1 is buttressed, prop raising tool is installed, is passed through
Pressurizing device pressurizes to the oil cylinder of prop raising tool, makes the oil cylinder of the prop raising tool that the prop raising tool be driven to move up, thus
Make the prop raising tool that the body of rod be driven to move up relative to the cylinder body, until the jacking disk and the lane mine inscribe Yan Huo
The top plate in road connects reality；
Step 3: disassembly prop raising tool, mechanical high constant-resistance individual prop, which installs, to be finished.
Preferably, the prop raising tool both ends are separately mounted on the body of rod and the cylinder body.
Preferably, when the in-oil cylinder oil pressure of prop raising tool described in step 2 reaches 15MPa, stop the oil cylinder to prop raising tool
Pressurization.
Preferably, the stroke of the prop raising tool is 10cm~30cm.
The present invention achieves following technical effect compared with the existing technology:
A kind of mechanical high constant-resistance individual prop mounting process and erection method disclosed by the invention, have standardized mechanical height
Constant-resistance individual prop mounting process and erection method.The mounting process is easy to operate with erection method, realizes mechanical Gao Heng
The simple, fast and efficient installation of individual prop is hindered, human and material resources are saved, is had in mechanical high constant-resistance individual prop use
Wide applicability and reference.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of mechanical high constant-resistance individual prop of the present invention；
Fig. 2 is a kind of mechanical high constant-resistance individual prop mounting process of the present invention and erection method flow diagram.
In figure: the mechanically high constant-resistance individual prop of 1-, 2- pedestal, 3- cylinder body, 4- jacking disk, the 5- body of rod, 6- steel ball sleeve, 7-
Limited cover, 8- limit bonnet bolt, 9- jacking valve snail bolt, the 10- cylinder body conical surface.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of mechanical high constant-resistance individual prop installation method and erection methods, on solving
Problem of the existing technology is stated, the mechanical high simple, fast and efficient installation of constant-resistance individual prop is realized, saves manpower, object
Power.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
The present embodiment provides a kind of mechanical high constant-resistance individual prop installation methods to be removed as shown in Figure 1, 2 with certain mine 8216
For moving back working face, tilt length 230m, coal seam thickness is 5.55~24.20m, and 3.5 meters of head-room, specific implementation step is such as
Under:
Step 1: the body of rod 3 of mechanical high constant-resistance individual prop 1 and cylinder body 5 are laid flat first, the body of rod 3 is socketed on cylinder
Body 5, and according to mine inscribe eye, the actual profile height in tunnel, it adjusts the body of rod 5 and cylinder body 3 is socketed length, the present embodiment adjustment
The height of mechanical high constant-resistance individual prop 1 after the body of rod 5 and the socket of cylinder body 3 is 3.4m；
Step 2: being provided with the cylinder body conical surface 10 in 3 upper end of cylinder body, the cylinder body conical surface 10 is inverted conical face, by steel ball sleeve 6 from
5 top of the body of rod is inserted between the body of rod 5 and cylinder body 3, is highly 3.4m after the body of rod 5 and the socket of cylinder body 3, the body of rod 5 is continued to cylinder
It being promoted in body 3, the body of rod 5 is made to compress steel ball sleeve 6, steel ball sleeve 6 is stuck between the cylinder body conical surface 10 of 3 upper inside wall of the body of rod 5 and cylinder body,
Self-locking, height after preventing 5 slide downward of the body of rod, the body of rod 5 and cylinder body 3 of the high constant-resistance individual prop 1 of solid mechanical formula from being socketed is formed,
The fixed body of rod 5 of steel ball sleeve 6 and the height of the mechanical high constant-resistance individual prop 1 after the socket of cylinder body 3 are in the present embodiment
3.35m；
Step 3: being provided with sleeve joint hole on limited cover 6, sleeve joint hole matches with the body of rod 5, by limited cover 6 from 5 top of the body of rod
It is inserted in the body of rod 5 and 3 socket place of cylinder body, the side wall of limited cover 6 is equipped with caging bolt 8, limit bonnet bolt 8 is tightened, by limited cover 6
It is fixedly connected on the body of rod 5 and 3 socket place of cylinder body, limited cover 6 is made to cover cylinder body 3, limitation steel ball sleeve 6 shifts up；
Step 4: being provided with jacking valve snail bolt 9 on jacking disk 4,5 upper end of the body of rod is provided with corresponding with jacking valve snail bolt 9
Bolt hole locks the jacking valve snail bolt 9 at jacking disk 4 and the body of rod 5, jacking disk 4 is installed on the body of rod 5；
Step 5: pedestal 2 is placed in the position for needing to install or install mechanical high constant-resistance individual prop 1 and by pedestal
2 is fixed, and the vertical mechanically high constant-resistance individual prop 1 that erects completes the component of assembling in step 4, and is installed in pedestal 2
On, mechanical high constant-resistance individual prop 1 installs, and the pedestal in the present embodiment is recoverable base, repeated multiple times can use.
Embodiment two
The present embodiment provides a kind of mechanical high constant-resistance individual prop erection methods to be removed as shown in Figure 1, 2 with certain mine 8216
For moving back working face, tilt length 230m, coal seam thickness is 5.55~24.20m, and 3.5 meters of head-room, specific implementation step is such as
Under:
Step 1: mechanical high constant-resistance list is installed according to the mechanical high constant-resistance individual prop installation method in embodiment one
Pillar body 1, and place it in the position for needing to install mechanical high constant-resistance individual prop 1；
Step 2: buttressing the mechanical high constant-resistance individual prop 1 installed in step 1, installs prop raising tool, prop raising tool
Both ends are separately mounted on the body of rod 5 and cylinder body 3, are pressurizeed by oil cylinder of the pressurizing device to prop raising tool, are made the oil of prop raising tool
Cylinder drives prop raising tool to move up, to make prop raising tool that the body of rod 5 be driven to move up relative to cylinder body 3, when the oil cylinder of prop raising tool
When interior oil pressure reaches 15MPa, after the top plate of jacking disk 4 and mine inscribe eye, tunnel connects reality, stopping adds the oil cylinder of prop raising tool
Pressure.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (9)
1. a kind of mechanical high constant-resistance individual prop installation method, it is characterised in that: the following steps are included:
Step 1: the body of rod of mechanical high constant-resistance individual prop and cylinder body are laid flat, practical disconnected according to mine inscribe eye or tunnel
The body of rod is socketed on the cylinder body and adjusts the socket length of the body of rod Yu the cylinder body by face height, the body of rod with
Total length after the cylinder body socket is less than the height of mine inscribe eye or tunnel actual profile；
Step 2: the cylinder body conical surface is provided in the cylinder body upper end, the cylinder body conical surface is to be inverted the conical surface, by steel ball sleeve described in
Body of rod top is inserted between the body of rod and the cylinder body, and the body of rod is continued to promote into the cylinder body, is made described
The body of rod compresses the steel ball sleeve, and the steel ball sleeve is stuck between the body of rod and the intracorporal cylinder body conical surface of the cylinder, and formation is self-locking,
Prevent the body of rod slide downward, the height after the fixed body of rod and cylinder body socket；
Step 3: limited cover is inserted in from the body of rod top, and by the limited cover be fixedly connected on the body of rod with it is described
Cylinder body socket place makes the limited cover cover the cylinder body；
Step 4: jacking disk is installed and is locked to the body of rod upper end；
Pedestal: being placed in the fixation position of the pedestal by step 5, is erected the mechanical high constant-resistance individual prop vertically and is existed
The component of assembling is completed in step 4, and is installed on the pedestal, and the mechanical high constant-resistance individual prop installs
Finish.
2. mechanical high constant-resistance individual prop installation method according to claim 1, it is characterised in that: described in step 1
Total length after the body of rod and cylinder body socket is 10~30cm smaller than the height of mine inscribe eye or tunnel actual profile.
3. mechanical high constant-resistance individual prop installation method according to claim 1, it is characterised in that: the limited cover
Side wall is equipped with caging bolt, and the limited cover is tightened on the cylinder body lateral wall by the caging bolt.
4. mechanical high constant-resistance individual prop installation method according to claim 1, it is characterised in that: on the jacking disk
It is provided with jacking valve snail bolt, the body of rod upper end is provided with bolt hole corresponding with the jacking valve snail bolt, the jacking disk
Bolt passes through the bolt hole and the jacking disk is locked at the body of rod upper end.
5. mechanical high constant-resistance individual prop installation method according to claim 1, it is characterised in that: described in step 5
After mechanical high constant-resistance individual prop is mounted on the base, the mechanical high constant-resistance individual prop is perpendicular to mine inscribe
Eye or the top plate in tunnel.
6. a kind of mechanical high constant-resistance individual prop erection method, it is characterised in that: the following steps are included:
Step 1: according to described in mechanical high constant-resistance individual prop installation method installation according to any one of claims 1 to 5
Mechanical high constant-resistance individual prop；
Step 2: the mechanical high constant-resistance individual prop installed in step 1 is buttressed, prop raising tool is installed, pressurization is passed through
Device pressurizes to the oil cylinder of prop raising tool, makes the oil cylinder of the prop raising tool that the prop raising tool be driven to move up, to make institute
Stating prop raising tool drives the body of rod to move up relative to the cylinder body, until the jacking disk and mine inscribe eye or tunnel
Top plate connects reality；
Step 3: disassembly prop raising tool, mechanical high constant-resistance individual prop, which installs, to be finished.
7. mechanical high constant-resistance individual prop erection method according to claim 6, it is characterised in that: the prop raising tool two
End is separately mounted on the body of rod and the cylinder body.
8. mechanical high constant-resistance individual prop erection method according to claim 6, it is characterised in that: described in step 2
When the in-oil cylinder oil pressure of prop raising tool reaches 15MPa, stop pressurizeing to the oil cylinder of prop raising tool.
9. mechanical high constant-resistance individual prop erection method according to claim 6, it is characterised in that: the prop raising tool
Stroke is 10cm~30cm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979890.4A CN106499420B (en) | 2016-11-03 | 2016-11-08 | A kind of mechanically high constant-resistance individual prop installation method and erection method |
| PCT/CN2017/109693 WO2018086509A1 (en) | 2016-11-03 | 2017-11-07 | Methods for mounting and erecting mechanical constant-resistance single prop |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952804 | 2016-11-03 | ||
| CN2016109528040 | 2016-11-03 | ||
| CN201610979890.4A CN106499420B (en) | 2016-11-03 | 2016-11-08 | A kind of mechanically high constant-resistance individual prop installation method and erection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106499420A CN106499420A (en) | 2017-03-15 |
| CN106499420B true CN106499420B (en) | 2019-02-15 |
Family
ID=58323445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610979890.4A Expired - Fee Related CN106499420B (en) | 2016-11-03 | 2016-11-08 | A kind of mechanically high constant-resistance individual prop installation method and erection method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106499420B (en) |
| WO (1) | WO2018086509A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499420B (en) * | 2016-11-03 | 2019-02-15 | 中国矿业大学 | A kind of mechanically high constant-resistance individual prop installation method and erection method |
| CN117007225B (en) * | 2023-08-09 | 2024-03-22 | 新疆生产建设兵团建设工程(集团)有限责任公司 | Rock mass stress monitoring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2348895A (en) * | 1999-04-14 | 2000-10-18 | James Eric Marianski | Compressible roof support |
| CN201358796Y (en) * | 2009-02-12 | 2009-12-09 | 王伟竹 | High-tenacity full-stroke suspending outward injection type individual hydraulic prop |
| CN202544869U (en) * | 2012-04-17 | 2012-11-21 | 泸州市新力液压机械制造有限公司 | Combined enhanced individual hydraulic prop |
| CN203796292U (en) * | 2014-05-07 | 2014-08-27 | 中国矿业大学(北京) | Automatic mining double-stand-column hydraulic beam installation device |
| CN104879145A (en) * | 2015-06-05 | 2015-09-02 | 江苏中矿立兴能源科技有限公司 | Mechanically-extendable constant-resistance shrinkable high-strength single prop |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU542884B2 (en) * | 1980-07-31 | 1985-03-21 | Dipl.Ing. Dr. Mont. Franz Powondra | Resilient yieldable device |
| CN105179402A (en) * | 2015-06-05 | 2015-12-23 | 江苏中矿立兴能源科技有限公司 | Rigid sphere conical face position clamping self-locking device |
| CN106499421B (en) * | 2016-11-03 | 2019-01-08 | 中国矿业大学 | A kind of mechanical constant-resistance individual prop withdrawing technique and recovery method |
| CN106285737A (en) * | 2016-11-03 | 2017-01-04 | 江苏中矿立兴能源科技有限公司 | A kind of mechanical compressible individual prop of adjustable constant-resistance |
| CN106499420B (en) * | 2016-11-03 | 2019-02-15 | 中国矿业大学 | A kind of mechanically high constant-resistance individual prop installation method and erection method |
-
2016
- 2016-11-08 CN CN201610979890.4A patent/CN106499420B/en not_active Expired - Fee Related
-
2017
- 2017-11-07 WO PCT/CN2017/109693 patent/WO2018086509A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2348895A (en) * | 1999-04-14 | 2000-10-18 | James Eric Marianski | Compressible roof support |
| CN201358796Y (en) * | 2009-02-12 | 2009-12-09 | 王伟竹 | High-tenacity full-stroke suspending outward injection type individual hydraulic prop |
| CN202544869U (en) * | 2012-04-17 | 2012-11-21 | 泸州市新力液压机械制造有限公司 | Combined enhanced individual hydraulic prop |
| CN203796292U (en) * | 2014-05-07 | 2014-08-27 | 中国矿业大学(北京) | Automatic mining double-stand-column hydraulic beam installation device |
| CN104879145A (en) * | 2015-06-05 | 2015-09-02 | 江苏中矿立兴能源科技有限公司 | Mechanically-extendable constant-resistance shrinkable high-strength single prop |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018086509A1 (en) | 2018-05-17 |
| CN106499420A (en) | 2017-03-15 |
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Inventor after: Jiu Xiexing Inventor after: Chen Yanlong Inventor after: Zhang Jixiong Inventor after: Zhang Qiang Inventor after: Wu Yu Inventor after: Deng Xuejie Inventor before: Chen Yanlong Inventor before: Zhang Jixiong Inventor before: Zhang Qiang Inventor before: Wu Yu Inventor before: Qiao Ming Inventor before: Cui Can Inventor before: Liu Huaping |
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Effective date of registration: 20170621 Address after: 221000 Jiangsu city of Xuzhou province university Quanshan District Road No. 1 Applicant after: China University of Mining & Technology Address before: 221000 Xuzhou University Road, Jiangsu, No. 1 Applicant before: China University of Mining & Technology Applicant before: Jiangsu CMLX Energy Technology Co.,Ltd. |
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Granted publication date: 20190215 Termination date: 20191108 |