CN109630167A - A kind of coal mine underground hydraulic support frame loading/unloading platform and loading-unloading vehicle method - Google Patents
A kind of coal mine underground hydraulic support frame loading/unloading platform and loading-unloading vehicle method Download PDFInfo
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- CN109630167A CN109630167A CN201811529362.4A CN201811529362A CN109630167A CN 109630167 A CN109630167 A CN 109630167A CN 201811529362 A CN201811529362 A CN 201811529362A CN 109630167 A CN109630167 A CN 109630167A
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- 238000011068 loading method Methods 0.000 title claims abstract description 127
- 239000003245 coal Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 3
- 238000005065 mining Methods 0.000 description 5
- 230000032258 transport Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000750 progressive effect Effects 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
A kind of coal mine underground hydraulic support frame loading/unloading platform and loading-unloading vehicle method, including bracket loading/unloading platform, working face belt crossheading, stent car, hydraulic support, first winch, second winch, track, working face machine road and ground anchor pole, track is equipped in the working face belt crossheading, stent car is provided on the track, stent car end plate upper surface is provided with bracket loading/unloading platform, and bracket loading/unloading platform is fixed on the ground by ground anchor pole, first winch is set to working face machine road end, the working face belt crossheading end is provided with the second winch, the working face machine is provided with several hydraulic supports on road.It does not need to beat lifting cave in top plate when hydraulic support entrucking, unloads body panel without constructing cement when hydraulic support is unloaded；Bracket loading/unloading platform of the present invention is made of loading/unloading platform main body and loading/unloading platform italic two parts, and it is convenient to transport, and on-site assembly is convenient, can recycle, and high degree improves construction efficiency and safety.
Description
Technical field
The present invention relates to hydraulic support truck technical field, in particular to a kind of coal mine underground hydraulic support frame loading/unloading platform
And loading-unloading vehicle method.
Background technique
The substantially all realization comprehensive mechanical coal mining of coal mine at present, it is steady that the loading-unloading vehicle of hydraulic support becomes fully-mechanized mining working
The major tasks of dress.Majority coal mine fully-mechanized mining workings are withdrawn at present, when hydraulic support entrucking, need to be shifted to an earlier date and be beaten in belt crossheading top plate
Chamber is lifted, then in lifting cave indoor location fixed pulley, hydraulic support is sling using winch, stent car is then pulled to branch
Below frame, hydraulic support is put down, completes entrucking work, construction technology is extremely complex, and risk factor is more, entrucking low efficiency, safety
Dangerous；The majority existing fully-mechanized mining workings of coal mine surely fill at present, when hydraulic support is unloaded, need to shift to an earlier date and construct water cutting lane head
Mud unloads body panel, and then stent car is parked at platform, pulls down bracket by cemented platform, after the completion of bracket surely fills, removes water
Mud platform, heavy workload, and it is unable to utilization and recycle.The hydraulic support loading/unloading platform of Part Coal Mine processing is monoblock type, is generally existed
1.8 meters wide, 5 meters long, by underground work space constraints, the transport difficult of platform, and 1.5 meters wide 3 meters long of use is common mining
When flat car transportation, entrucking is easy to happen the personnel of damaging and breaks other equipment facility phenomenon with regard to ultra-wide overlength.
Summary of the invention
A kind of coal mine underground hydraulic support frame loading/unloading platform of the present invention and loading-unloading vehicle method, when hydraulic support entrucking, do not need
Top plate beats lifting cave, unloads body panel without constructing cement when hydraulic support is unloaded.New platform divides main body and italic two parts, transports
Convenient, on-site assembly is convenient, can recycle, and high degree improves construction efficiency and safety.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of coal mine underground hydraulic support frame loading/unloading platform, including bracket loading/unloading platform, working face belt crossheading, stent car,
Hydraulic support, the first winch, the second winch, track, working face machine road and ground anchor pole are equipped in the working face belt crossheading
Track is provided with stent car on the track, and stent car end plate upper surface is provided with bracket loading/unloading platform, and bracket
Loading/unloading platform is fixed on the ground by ground anchor pole, and first winch is set to working face machine road end, the work musculus cutaneus
Band crossheading end is provided with the second winch, and the working face machine is provided with several hydraulic supports on road.
The bracket loading/unloading platform is divided into bracket loading platform and bracket is unloaded two kinds of platform, the bracket loading platform end
Mouth width degree is 2400mm, and bracket unloads platform port width as 1500mm.
The bracket loading platform by loading platform main body, loading platform italic, the first connecting hole, shelve guiding it is open and
First otic placode composition, opens up that there are two the first connections in the loading platform main body and loading platform italic junction side wall
Hole, loading platform italic is provided with far from first connecting hole one end two sides shelves guiding opening, the loading platform main body and dress
Vehicle platform italic two sides are provided with the first otic placode, and the first anchor hole is offered on the first otic placode, the loading platform master
Body is connected by the first connecting hole with screw with loading platform italic junction.
Bracket platform of unloading includes unloading main platform body, platform italic of unloading, the second connecting hole and the second otic placode, institute
The main platform body and unloading of unloading is stated to open up on the side wall of platform italic junction there are two the second connecting hole, main platform body of unloading and
Platform italic of unloading two sides are provided with the second otic placode, and the second anchor hole is offered on the second otic placode, the platform of unloading
Main body with unload platform italic junction and be connected by the second connecting hole with screw.
The loading platform main body and loading platform italic are welded using the steel plate and 11# I-steel of 20mm thickness.
Platform italic and the main platform body of unloading of unloading is welded using the steel plate and 11# I-steel of 20mm thickness.
A kind of coal mine underground hydraulic support frame loading method, using a kind of coal mine underground hydraulic support frame loading/unloading platform, including with
Lower step,
Step 1, bracket loading platform is placed in the inner end end of working face belt crossheading inner orbit；
Step 2, loading platform main body and loading platform italic be in such a way that screw passes through the first connecting hole after the company of wearing, and
It tightens screw and loading platform main body is connected with loading platform italic；It is oblique by ground anchor pole and loading platform main body and loading platform
Loading platform main body and loading platform italic are fixed on the ground of tunnel by the first anchor hole cooperation of body two sides, and bracket entrucking is flat
Platform is installed；
Step 3, stent car is docked by the track in working face belt crossheading with bracket loading platform, then using resistance
Vehicle device is fixed to stent car, it is ensured that stent car comes to a complete stop；
Step 4, hydraulic support is pulled to working face belt crossheading tail from working face machine road using the first winch from stop, then
Hydraulic support is loaded into stent car by bracket loading platform using the second winch, completes the entrucking work of hydraulic support.
A kind of coal mine underground hydraulic support frame is unloaded method, using a kind of coal mine underground hydraulic support frame loading/unloading platform, including with
Lower step,
Step 1, bracket platform of unloading is placed in the inner end end of working face belt crossheading inner orbit first；
Step 2, main platform body of unloading and platform italic is unloaded in such a way that screw passes through the first connecting hole after the company of wearing, and
The screw main platform body that will unload is tightened to be connected with platform italic of unloading；By ground anchor pole with unload main platform body and platform of unloading it is oblique
Second anchor hole of body two sides cooperates will unload main platform body and platform italic of unloading to be fixed on the ground of tunnel, and bracket is unloaded flat
Platform is installed；
Step 3, the stent car equipped with hydraulic support is unloaded platform by track in working face belt crossheading and bracket
Docking, it is then fixed to stent car using car arrester, it is ensured that stent car comes to a complete stop；
Step 4, the hydraulic support on stent car is unloaded by bracket platform of unloading to working face belt using the first winch
In crossheading lane, the work of unloading of hydraulic support is completed.
The invention has the benefit that
1, it does not need to beat lifting cave in top plate when hydraulic support entrucking, not having to construct cement when hydraulic support is unloaded, to unload frame flat
Platform.
2, bracket loading/unloading platform of the present invention is made of loading/unloading platform main body and loading/unloading platform italic two parts, and it is convenient to transport,
On-site assembly is convenient, can recycle, and high degree improves construction efficiency and safety.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is bracket loading platform structural schematic diagram of the present invention；
Fig. 3 is bracket loading platform structural side view of the present invention；
Fig. 4 is bracket loading platform structure sectional view along A-A of the present invention；
Fig. 5 is that bracket of the present invention is unloaded platform structure schematic diagram；
Fig. 6 is that bracket of the present invention is unloaded platform structure side view；
Fig. 7 is that bracket of the present invention is unloaded platform structure B-B direction cross-sectional view；
1- working face belt crossheading, 2- stent car, 3- bracket loading/unloading platform, 4- hydraulic support, the first winch of 5-, 6- second
Winch, 7- track, 8- working face machine road, the ground 9- anchor pole, 10- bracket loading platform, 11- bracket are unloaded platform, 12- loading platform
Main body, 13- loading platform italic, the first connecting hole of 14-, it is open that 15- shelves guiding, the first otic placode of 16-, and 17- unloads platform master
Body, 18- unload platform italic, the second connecting hole of 19-, the second otic placode of 20-.
Specific embodiment
Progressive detailed description is done to the present invention with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, Figure 2 shown in-Fig. 4, a kind of coal mine underground hydraulic support frame loading/unloading platform, including bracket loading/unloading platform 3, work
Musculus cutaneus band crossheading 1, stent car 2, hydraulic support 4, the first winch 5, the second winch 6, track 7, working face machine road 8 and ground anchor pole 9,
It is equipped with track 7 in the working face belt crossheading 1, stent car 2, the 2 end bottom plate of stent car are provided on the track 7
Upper surface is provided with bracket loading/unloading platform 3, and bracket loading/unloading platform 3 is fixed on the ground by ground anchor pole 9, first winch
5 are set to 8 end of working face machine road, and 1 end of working face belt crossheading is provided with the second winch 6, working face machine road 8
On be provided with several hydraulic supports 4.
The bracket loading/unloading platform 3 is divided to unloads 11 two kinds of platform for bracket loading platform 10 and bracket, the bracket entrucking
10 port width of platform is 2400mm, and bracket unloads 11 port width of platform as 1500mm.
The bracket loading platform 10 by loading platform main body 12, loading platform italic 13, the first connecting hole 14, shelve and lead
It forms to opening 15 and the first otic placode 16, is opened up on 13 junction side wall of the loading platform main body 12 and loading platform italic
There are two the first connecting hole 14, loading platform italic 13 is provided with far from 14 one end two sides of the first connecting hole shelves guiding opening
15, the loading platform main body 12 and 13 two sides of loading platform italic are provided with the first otic placode 16, and on the first otic placode 16
The first anchor hole is offered, the loading platform main body 12 and 13 junction of loading platform italic pass through the first connecting hole 14 and spiral shell
Silk is connected, and the cruciform bracing inside 10 connecting platform of bracket loading platform is connected firmly, and screw concealed installation is in platform interior,
It is not easy to get rusty and damages.
The loading platform main body 12 and loading platform italic 13 welded using the steel plate of 20mm thickness and 11# I-steel and
At.
A kind of coal mine underground hydraulic support frame loading method, using a kind of coal mine underground hydraulic support frame loading/unloading platform, including with
Lower step,
Step 1, bracket loading platform 10 is placed in the inner end end of 1 inner orbit 7 of working face belt crossheading；
Step 2, loading platform main body 12 and loading platform italic 13 are worn in such a way that screw passes through the first connecting hole 14
Lian Hou, and tighten screw and loading platform main body 12 is connected with loading platform italic 13；Pass through ground anchor pole 9 and loading platform main body
12 and 13 two sides of loading platform italic the first anchor hole cooperation loading platform main body 12 and loading platform italic 13 are fixed on
On the ground of tunnel, bracket loading platform 10 is installed；
Step 3, stent car 2 is docked by the track 7 in working face belt crossheading 1 with bracket loading platform 10, then
It is fixed to stent car 2 using car arrester, it is ensured that stent car 2 comes to a complete stop；
Step 4, hydraulic support 4 is pulled to 1 tail of working face belt crossheading from working face machine road 8 using the first winch 5 from stop
It is good, the second winch 6 is reused by hydraulic support 4, stent car 2 is loaded by bracket loading platform 10, complete the dress of hydraulic support 4
Turner is made.
Embodiment 2
As shown in Fig. 1, Fig. 5-Fig. 7, a kind of coal mine underground hydraulic support frame loading/unloading platform, including bracket loading/unloading platform 3, work
Musculus cutaneus band crossheading 1, stent car 2, hydraulic support 4, the first winch 5, the second winch 6, track 7, working face machine road 8 and ground anchor pole 9,
It is equipped with track 7 in the working face belt crossheading 1, stent car 2, the 2 end bottom plate of stent car are provided on the track 7
Upper surface is provided with bracket loading/unloading platform 3, and bracket loading/unloading platform 3 is fixed on the ground by ground anchor pole 9, first winch
5 are set to 8 end of working face machine road, and 1 end of working face belt crossheading is provided with the second winch 6, working face machine road 8
On be provided with several hydraulic supports 4.
The bracket loading/unloading platform 3 is divided to unloads 11 two kinds of platform for bracket loading platform 10 and bracket, the bracket entrucking
10 port width of platform is 2400mm, and bracket unloads 11 port width of platform as 1500mm.
Bracket platform 11 of unloading includes unload main platform body 17, platform italic 18 of unloading, the second connecting hole 19 and the
Two otic placodes 20, the main platform body 17 and unloading of unloading open up that there are two the second connecting holes on 18 junction side wall of platform italic
19, main platform body of unloading 17 and 18 two sides of platform italic of unloading are provided with the second otic placode 20, and open up on the second otic placode 20
There is the second anchor hole, main platform body 17 and 18 junction of platform italic of unloading of unloading passes through the second connecting hole 19 and screw phase
Even.
It is described unload platform italic 18 and unload main platform body 17 using 20mm thickness steel plate and 11# I-steel weld and
At.
A kind of coal mine underground hydraulic support frame is unloaded method, using a kind of coal mine underground hydraulic support frame loading/unloading platform, including with
Lower step,
Step 1, bracket platform 11 of unloading is placed in the inner end end of 1 inner orbit 7 of working face belt crossheading first；
Step 2, main platform body of unloading 17 and platform italic 18 of unloading are worn in such a way that screw passes through the second connecting hole 19
Lian Hou, and tighten the screw main platform body 17 that will unload and be connected with platform italic 18 of unloading；Pass through ground anchor pole 9 and main platform body of unloading
17 and the second anchor hole cooperations of 18 two sides of platform italic of unloading will unload main platform body 17 and platform italic 18 of unloading is fixed on
On the ground of tunnel, bracket platform 11 of unloading is installed；
Step 3, the stent car 2 equipped with hydraulic support 4 is unloaded by the track 7 in working face belt crossheading 1 with bracket
Platform 11 docks, then fixed to stent car 2 using car arrester, it is ensured that stent car 2 comes to a complete stop；
Step 4, the hydraulic support 4 on stent car 2 is unloaded by bracket platform 11 of unloading to working face using the first winch 5
In 1 lane of belt crossheading, the work of unloading of hydraulic support 4 is completed.
Claims (8)
1. a kind of coal mine underground hydraulic support frame loading/unloading platform, which is characterized in that suitable including bracket loading/unloading platform, working face belt
Slot, stent car, hydraulic support, the first winch, the second winch, track, working face machine road and ground anchor pole, the working face belt are suitable
It is equipped with track in slot, stent car is provided on the track, stent car end plate upper surface is provided with bracket handling
Platform, and bracket loading/unloading platform is fixed on the ground by ground anchor pole, first winch is set to working face machine road end, institute
It states working face belt crossheading end and is provided with the second winch, the working face machine is provided with several hydraulic supports on road.
2. a kind of coal mine underground hydraulic support frame loading/unloading platform according to claim 1, it is characterised in that: the bracket handling
Platform is divided into bracket loading platform and bracket is unloaded two kinds of platform, and the bracket loading platform port width is 2400mm, bracket
Platform port width of unloading is 1500mm.
3. a kind of coal mine underground hydraulic support frame loading/unloading platform according to claim 2, it is characterised in that: the bracket entrucking
Platform by loading platform main body, loading platform italic, the first connecting hole, shelve that guiding is open and the first otic placode forms, the dress
It is opened up in vehicle main platform body and loading platform italic junction side wall there are two the first connecting hole, loading platform italic is far from the
One connecting hole one end two sides, which is provided with, shelves guiding opening, and the loading platform main body and loading platform italic two sides are provided with
First otic placode, and the first anchor hole is offered on the first otic placode, the loading platform main body and loading platform italic junction
It is connected by the first connecting hole with screw.
4. a kind of coal mine underground hydraulic support frame loading/unloading platform according to claim 2, it is characterised in that: the bracket is unloaded
Platform includes unloading main platform body, platform italic of unloading, the second connecting hole and the second otic placode, and described unload and is unloaded at main platform body
It is opened up on the side wall of platform italic junction there are two the second connecting hole, main platform body of unloading and platform italic two sides of unloading are all provided with
It is equipped with the second otic placode, and offers the second anchor hole on the second otic placode, main platform body and the platform italic company of unloading of unloading
Place is met to be connected by the second connecting hole with screw.
5. a kind of coal mine underground hydraulic support frame loading/unloading platform according to claim 3, it is characterised in that: the loading platform
Main body and loading platform italic are welded using the steel plate and 11# I-steel of 20mm thickness.
6. a kind of coal mine underground hydraulic support frame loading/unloading platform according to claim 4, it is characterised in that: the platform of unloading
Italic and main platform body of unloading are welded using the steel plate and 11# I-steel of 20mm thickness.
7. a kind of coal mine underground hydraulic support frame loading method is loaded and unloaded using a kind of coal mine underground hydraulic support frame described in claim 1
Platform, which is characterized in that include the following steps,
Step 1, bracket loading platform is placed in the inner end end of working face belt crossheading inner orbit；
Step 2, loading platform main body and loading platform italic are in such a way that screw passes through the first connecting hole after the company of wearing, and tighten
Loading platform main body is connected by screw with loading platform italic；Pass through ground anchor pole and loading platform main body and loading platform italic two
Loading platform main body and loading platform italic are fixed on the ground of tunnel by the first anchor hole cooperation of side, bracket loading platform peace
It installs into；
Step 3, stent car is docked by the track in working face belt crossheading with bracket loading platform, then uses car arrester
It is fixed to stent car, it is ensured that stent car comes to a complete stop；
Step 4, hydraulic support is pulled to working face belt crossheading tail from working face machine road using the first winch from stop, reuse
Hydraulic support is loaded onto stent car by bracket loading platform by the second winch, completes the entrucking work of hydraulic support.
A kind of method 8. coal mine underground hydraulic support frame is unloaded, using a kind of coal mine underground hydraulic support frame dress described in claim 1
Unload platform, which is characterized in that include the following steps,
Step 1, bracket platform of unloading is placed in the inner end end of working face belt crossheading inner orbit first；
Step 2, main platform body of unloading and platform italic is unloaded in such a way that screw passes through the first connecting hole after the company of wearing, and tighten
The screw main platform body that will unload is connected with platform italic of unloading；Pass through ground anchor pole and unload main platform body and platform italic two of unloading
The second anchor hole cooperation of side will unload main platform body and platform italic of unloading is fixed on the ground of tunnel, and bracket is unloaded platform peace
It installs into；
Step 3, the stent car equipped with hydraulic support is docked by track in working face belt crossheading and bracket platform of unloading,
It is then fixed to stent car using car arrester, it is ensured that stent car comes to a complete stop；
Step 4, the hydraulic support on stent car is unloaded by bracket platform of unloading to working face belt crossheading using the first winch
In lane, the work of unloading of hydraulic support is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811529362.4A CN109630167A (en) | 2018-12-14 | 2018-12-14 | A kind of coal mine underground hydraulic support frame loading/unloading platform and loading-unloading vehicle method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811529362.4A CN109630167A (en) | 2018-12-14 | 2018-12-14 | A kind of coal mine underground hydraulic support frame loading/unloading platform and loading-unloading vehicle method |
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| Publication Number | Publication Date |
|---|---|
| CN109630167A true CN109630167A (en) | 2019-04-16 |
Family
ID=66073872
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811529362.4A Pending CN109630167A (en) | 2018-12-14 | 2018-12-14 | A kind of coal mine underground hydraulic support frame loading/unloading platform and loading-unloading vehicle method |
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| CN (1) | CN109630167A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691905A (en) * | 2020-06-19 | 2020-09-22 | 四川川煤华荣能源股份有限公司 | Method for installing fully mechanized coal mining face support |
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| GB504955A (en) * | 1937-02-12 | 1939-05-03 | Friedrich Wilhelm Moll | An improved method for pulling down pit-props or pillars and means therefor |
| DE2442942A1 (en) * | 1974-09-07 | 1976-04-08 | Hausalit Maschinenbau Und Ober | Mine roadway arch withdrawer - boom mounted prop has chain pulleys and leg-adapted claw tools |
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| CN201581924U (en) * | 2009-12-23 | 2010-09-15 | 攀枝花煤业（集团）有限责任公司 | Hydraulic support truck platform device |
| CN203332144U (en) * | 2013-05-29 | 2013-12-11 | 中煤第一建设有限公司 | Steel wire rope vehicle stopper |
| CN204506903U (en) * | 2015-03-13 | 2015-07-29 | 兖州煤业股份有限公司 | Rail transport quick despatch car device |
| CN105464693A (en) * | 2015-12-28 | 2016-04-06 | 铁法煤业（集团）有限责任公司晓南矿 | Device for retracting support from underground working face of coal mine |
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2018
- 2018-12-14 CN CN201811529362.4A patent/CN109630167A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB504955A (en) * | 1937-02-12 | 1939-05-03 | Friedrich Wilhelm Moll | An improved method for pulling down pit-props or pillars and means therefor |
| DE2442942A1 (en) * | 1974-09-07 | 1976-04-08 | Hausalit Maschinenbau Und Ober | Mine roadway arch withdrawer - boom mounted prop has chain pulleys and leg-adapted claw tools |
| CN2633838Y (en) * | 2003-06-28 | 2004-08-18 | 于聚旺 | Automatic loading and unloading platform of hydraulic rack |
| CN201581924U (en) * | 2009-12-23 | 2010-09-15 | 攀枝花煤业（集团）有限责任公司 | Hydraulic support truck platform device |
| CN203332144U (en) * | 2013-05-29 | 2013-12-11 | 中煤第一建设有限公司 | Steel wire rope vehicle stopper |
| CN204506903U (en) * | 2015-03-13 | 2015-07-29 | 兖州煤业股份有限公司 | Rail transport quick despatch car device |
| CN105464693A (en) * | 2015-12-28 | 2016-04-06 | 铁法煤业（集团）有限责任公司晓南矿 | Device for retracting support from underground working face of coal mine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691905A (en) * | 2020-06-19 | 2020-09-22 | 四川川煤华荣能源股份有限公司 | Method for installing fully mechanized coal mining face support |
| CN111691905B (en) * | 2020-06-19 | 2022-04-15 | 四川川煤华荣能源股份有限公司 | Method for installing fully mechanized coal mining face support |
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Application publication date: 20190416 |
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